class: center, middle # Microservices integration testing ### made simple with Docker --- class: middle >>>>>># Introduction >>- Software Consultant based in London - Building software for over 15 years - Fullstack, lately more backend - Started with Scala a bit over 3 years ago - Currently at Hotels.com in the SEM-Tools team - Twitter: @TudorPalanga - Github: https://github.com/tpalanga - Linkedin: https://www.linkedin.com/in/tudorpalanga/ --- class: middle, center >>># Multiservices architecture --- class: middle >>>># Multiservices vs monolith >>>>Advantages - separate reusable components - multiple apps can benefit - allows granular scaling of bottleneck areas - scale work to multiple teams - use different technologies >>>>Challenges - not cross compiled - evolution of individual services can break contracts --- class: middle >>>># Integration testing - Given services S1 ... Sn - Setup a test environment - Populate components with test data - Write a bunch of tests verifying interaction - Run tests against the test environment - Repeat until done/satisfactory --- class: center, middle >>>>># Concrete example
graph LR; A{User}-.->B(Website
UI) B-->C(Account
Service) C-->D(Newsletter
Service)
--- class: center, middle >>># Integration test
sequenceDiagram Test->>Account Service: Create userA activate Account Service Account Service-->>Newsletter Service: Subscribe(userA) Account Service->>Test: userA deactivate Account Service Note over Test: verify userA Test-->>Newsletter Service: SubscriberRetrieve(user) Newsletter Service-->>Test: response Note over Test: verify response
--- class: middle >>>>>>> # Test setup >>>>### What do we need? - deploy Newsletter service - deploy MariaDB dependency (for accounts) - deploy Account service - inject test accounts/subscriptions - configure the services --- class: middle >>>>>>> # Test setup >>>>### Docker is your friend - encapsulate your apps in lightweight isolated containers - guarantees that software will always run the same - automated setup and configuration of development environments - easy to scale and deploy --- >>>>># sbt-native-plugin ### plugins.sbt ```scala addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.1.6") ``` ### build.sbt ```scala lazy val dockerSettings = Seq( dockerBaseImage := "openjdk:alpine", dockerUpdateLatest in Docker := true ) lazy val accountService = project. settings( name := "accountService", commonSettings, libraryDependencies ++= commonDependencies ++ testingDependencies, dockerSettings, dockerExposedPorts := Seq(8080) ) .dependsOn(testLib) .enablePlugins(JavaAppPackaging, DockerPlugin, AshScriptPlugin) ``` --- >>>>> # Build Docker images ### One command ```bash sbt docker:publishLocal ``` ### Generated Dockerfile ```dockerfile FROM openjdk:alpine WORKDIR /opt/docker ADD opt /opt RUN ["chown", "-R", "daemon:daemon", "."] EXPOSE 8080 USER daemon ENTRYPOINT ["bin/accountservice"] CMD [] ``` --- >>>> # Running Docker images ### docker-compose.yml ```yaml services: newsletterservice: image: newsletterservice:latest ports: - "8081:8081" account_db: image: mariadb:latest ports: - "3306:3306" environment: - MYSQL_ALLOW_EMPTY_PASSWORD="yes" volumes: - ./accountService/src/main/resources/db_init/:/docker-entrypoint-initdb.d accountservice: image: accountservice:latest ports: - "8080:8080" environment: - "CONFIG=ci.conf" - "DB_HOST=account_db" - "NEWSLETTER_HOST=newsletterservice" links: - "account_db" - "newsletterservice" ``` --- >>>> # Run the integration tests ### Spin up the services ```bash docker-compose -f docker-compose.yml up -d ``` ### Run the tests ```bash sbt -DDOCKER_IP=<IP_ADDRESS> -DCONFIG=ci.conf newsletterServiceTest/test ``` --- >>>> # Run the integration tests ### ci.conf ```yaml test { remote { service { account { host = ${DOCKER_IP} protocol = "http" port = 8080 } newsletter { host = ${DOCKER_IP} protocol = "http" port = 8081 } } } } ``` --- class: middle >>>>>>># Code/slides >>> https://github.com/tpalanga/akka-http-microservice --- class: center, middle # Questions?


Having pets is great, and having a roommate with a pet is great too, but it's when the pet isn't tended to the best that problems arise. During my college years I lived with three good friends and our beloved cat which was owned by "E".
At one point during the school year kitty's litter box started to be taken out less often, and started to stink up the place! At first we kindly reminded "E" to keep a closer eye on the poopoo levels, which worked for a while, but eventually the problem arose again. I felt like our shared living space wasn't being respected and the thoughts guests may have about the issue.
At one point the conflict got as far as one roommate leaving a bag of kitty poopoo on "E"'s desk, hoping to convey the message stronger than just words. Although "E" got the hint after this, and handled the situation maturely, looking back it probably wasn't the best idea to take it to that level. Instead, better conveying how we felt about the issue, and how it was effecting us would have probably done the trick. I've found it's rarely a good idea to move a conflict from verbal to psychical (even if it's just small passive aggressive actions) and simply taking the time to talk it out and see eye to eye leads to a cleaner resolution without any sour feelings.


AppView is the concrete implementation of a View.
{} context - The context the view is rendered in.
Generated using TypeDoc
AppView is the concrete implementation of a View.
{} context - The context the view is rendered in.


That Tiny Black Dot on the Sun Today? It Was Mercury, in a Rare Celestial Crossing
by MARCIA DUNN / AP(CAPE CANAVERAL, Fla.) — Mini Mercury skipped across the vast, glaring face of the sun Monday in a rare celestial transit. Stargazers used solar-filtered binoculars and telescopes to spot Mercury — a tiny black dot — as it passed directly between Earth and the sun on Monday.
The eastern U.S. and Canada got the whole 5 ½-hour show, weather permitting, along with Central and South America. The rest of the world, except for Asia and Australia, got just a sampling.
Mercury is the solar system’s smallest, innermost planet. The next transit isn’t until 2032, and North America won’t get another shot until 2049.
Read more: Why You Should Care About Mercury’s Transit of the Sun
In Maryland, clouds prevented NASA solar astrophysicist Alex Young from getting a clear peek. Live coverage was provided by observatories including NASA’s orbiting Solar Dynamics Observatory.
“It’s a bummer, but the whole event was still great,” Young wrote in an email. “Both getting to see it from space and sharing it with people all over the country and world.”
At Cape Canaveral, space buffs got a two-for-one. As Mercury’s silhouette graced the morning sun, SpaceX launched 60 small satellites for global internet service, part of the company’s growing Starlink constellation in orbit.


Summary
When running unit tests on Windows, failures caused by file operation errors often happen.
This is caused for Windows disallows deleting and overwriting a file when a process holds a handle of the file.
This page describes how to avoid those problems.
Contents
- Summary
- Contents
- hudson.util.IOException2: Failed to clean up temp dirs
- 503 Service Unavailable from Jenkins
- temporary directory grows up
- Tests using symbolic links.
hudson.util.IOException2: Failed to clean up temp dirs
This happens in tearDown phase of tests.
This is often caused for JVM holds a handle of a file in a temporary directory, and Windows fails to delete the temporary directory.
You can see what file failed to be deleted in target/sunfire-reports/(Test Class).txt as following:
------------------------------------------------------------------------------- Test set: hudson.plugins.parameterizedtrigger.test.NodeParametersTest ------------------------------------------------------------------------------- Tests run: 3, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 43.091 sec <<< FAILURE! test(hudson.plugins.parameterizedtrigger.test.NodeParametersTest) Time elapsed: 19.291 sec <<< ERROR! hudson.util.IOException2: Failed to clean up temp dirs at org.jvnet.hudson.test.TemporaryDirectoryAllocator.dispose(TemporaryDirectoryAllocator.java:87) at org.jvnet.hudson.test.TestEnvironment.dispose(TestEnvironment.java:53) at org.jvnet.hudson.test.HudsonTestCase.tearDown(HudsonTestCase.java:352) ... at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:91) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:69) Caused by: java.io.IOException: Unable to delete (The name of file failed to be deleted) at hudson.Util.deleteFile(Util.java:266) at hudson.Util.deleteRecursive(Util.java:316) at hudson.Util.deleteContentsRecursive(Util.java:227)
Unable to delete slave-slaveX.log
This happens when:
- Using HudsonTestCase and Jenkins < 1.441 or Jenkins >= 1.482 and Jenkins < 1.520 as a target of the plugin.
- This is resolved with 24e99923e3
- This is degraded with 5dd905f2a2 and 4557a436bf
- Using JenkinsRule and Jenkins < 1.520 as a target of the plugin.
- But this does not cause test failures, just warned.
- Started a slave in the test.
This seems happens for a slave node stays opening a log file, it prevents deleting the temporary directory.
This can be resolved with any of following ways:
- Use Jenkins >= 1.520.
- Add following code to your test class derived from HudsonTestCase.
private void purgeSlaves() { List<Computer> disconnectingComputers = new ArrayList<Computer>(); List<VirtualChannel> closingChannels = new ArrayList<VirtualChannel>(); for (Computer computer: jenkins.getComputers()) { if (!(computer instanceof SlaveComputer)) { continue; } // disconnect slaves. // retrieve the channel before disconnecting. // even a computer gets offline, channel delays to close. if (!computer.isOffline()) { VirtualChannel ch = computer.getChannel(); computer.disconnect(null); disconnectingComputers.add(computer); closingChannels.add(ch); } } try { // Wait for all computers disconnected and all channels closed. for (Computer computer: disconnectingComputers) { computer.waitUntilOffline(); } for (VirtualChannel ch: closingChannels) { ch.join(); } } catch (InterruptedException e) { e.printStackTrace(); } } @Override protected void tearDown() throws Exception { if(Functions.isWindows()) { purgeSlaves(); } super.tearDown(); }
- This closes log files of slaves before deleting the temporary directory.
- Same to JenkinsRule.
@Rule public JenkinsRule j = new JenkinsRule() { private void purgeSlaves() { // same to above... } @Override protected void after() { if(Functions.isWindows()) { purgeSlaves(); } super.after(); } };
other files
- Maybe you failed to close files in your plugin or in your test.
- When you do not close a file explicitly, it will be closed when the file object is destroyed in garbage collections.
- It can be resolved by calling System.gc() like this:
public void testSomething() { { // this brace is needed to make all objects created in this test destroyed with GC. // do your test } System.gc(); }
503 Service Unavailable from Jenkins
This is often caused for a failure in launching Jenkins.
For the problem happens not in a thread a test function runs but in a thread launching a server, you cannot see the root cause from a console output.
You can see the root cause in target/sunfire-reports/TEST-(Test Class).xml as following:
INFO: NO JSP Support for , did not find org.apache.jasper.servlet.JspServlet May 18, 2013 10:58:54 AM org.mortbay.log.Slf4jLog info INFO: Copy C:\Users\user\workspace\reproduce-jenkins-17774\target\jenkins-for-test to work\Jetty_0_0_0_0_0_jenkins.for.test___.bj8wp3\webapp May 18, 2013 10:58:55 AM org.mortbay.log.Slf4jLog warn WARNING: Failed startup of context org.mortbay.jetty.webapp.WebAppContext@423e36e6{,C:\Users\user\Desktop\workspace\reproduce-jenkins-17774\.\target\jenkins-for-test} java.io.FileNotFoundException: work\Jetty_0_0_0_0_0_jenkins.for.test___.bj8wp3\webapp\images\48x48\computer-x.png (requested operation can't be performed on file with user-mapped section open) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:194) at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
requested operation can't be performed on file with user-mapped section open
This happens when:
- Using Jenkins > 1.457, and Jenkins < 1.517 as a target of the plugin.
- 7ae303f881 triggers this problem.
- Your test is junit3 based (using HudsonTestCase), not junit4 based (using JenkinsRule).
Jenkins webapp directory gets to be overwritten for each test method in Jenkins 1.457 in Windows. It sometimes causes an overwriting failure when some process holds a file in webapp directory. It often happens when TortoiseXXX (like TortoiseGit) is installed.
You can resolve this problem with any of following ways:
- use Jenkins >= 1.517
- switch from junit3 based tests (using HudsonTestCase) to junit4 based tests (using JenkinsRule)
- See Unit Test JUnit4 for details instructions using JenkinsRule.
- Copy HudsonTestCase.createWebServer() to your test class, and modify as following:
/** * Prepares a webapp hosting environment to get {@link ServletContext} implementation * that we need for testing. */ protected ServletContext createWebServer() throws Exception { server = new Server(); WebAppContext context = new WebAppContext(WarExploder.getExplodedDir().getPath(), contextPath); context.setClassLoader(getClass().getClassLoader()); context.setConfigurations(new Configuration[]{new WebXmlConfiguration(), new NoListenerConfiguration()}); server.setHandler(context); context.setMimeTypes(MIME_TYPES); - if(Functions.isWindows()) { - // this is only needed on Windows because of the file - // locking issue as described in JENKINS-12647 - context.setCopyWebDir(true); - }
- This is a code in Jenkins 1.458. You should copy a code from the version your plugin targets.
- This reverts 7ae303f881 (JENKINS-12647).
- This commit does nothing good.
temporary directory grows up
JVM uses %TMP% (java.io.tmpdir) as a temporary directory. For example, C:\Users\user\AppData\Local\Temp in Windows 8.
When running a test of a plugin, following directories are created in the temporary directory, where XXXXXXXXXXs are random numbers.
- hudsonXXXXXXXXXXtest
- hudsonXXXXXXXXXXtmp
It often happens that these directories are left even after a test finishes. There are several reasons:
- Old versions of Jenkins testing library do not delete these directories.
- These problems are fixed in newer versions.
- These directories fail to be deleted. This happens only in Windows.
%TMP%\hudsonXXXXXXXXXXtest is left even after tests
This happens when:
- Test classes are written with JenkinsRule (junit4 based tests).
- The target is Jenkins < 1.482.
- This is resolved with 5dd905f2a2
This can be resolved with any of following ways:
- Upgrade target Jenkins to 1.482 or later.
- Override JenkinsRule#after and call TestEnvironment#dispose:
public class SomeTest { ... @Rule public JenkinsRule j = new JenkinsRule() { protected void after() { super.after(); if(TestEnvironment.get() != null) { try { TestEnvironment.get().dispose(); } catch(Exception e) { e.printStackTrace(); } } } }; ...
%TMP%\hudsonXXXXXXXXXXtmp is left even after tests
Why %TMP%\hudsonXXXXXXXXXXtmp is left?
This is caused for TestPluginManager expands plugins to that directory.
There are several reasons why this directory is left:
Reason |
Jenkins <= 1.509 |
1.510 <= Jenkins <= 1.518 |
Jenkins 1.519 |
1.520 <= Jenkins |
|---|---|---|---|---|
No deletion code |
x |
|
|
|
Plugins are not released |
x |
x |
x |
|
Jenkins core caches and keep file handles |
|
|
x |
x |
No deletion code
The deletion code is introduced in a4d4305124 (1.510).
Do as #Plugins are not released.
Plugins are not released
Jenkins tries to delete the directory, but you see following logs (the name of the jar file may differ):
... Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 30.876 sec Failed to load native POSIX impl; falling back on Java impl. Unsupported OS. java.io.IOException: Unable to delete C:\Users\user\AppData\Local\Temp\hudson4413809435965306193tmp\credentials\WEB-INF\lib\findbugs-annotations-1.3.9-1.jar at hudson.Util.deleteFile(Util.java:256) at hudson.Util.deleteRecursive(Util.java:308) at hudson.Util.deleteContentsRecursive(Util.java:205) at hudson.Util.deleteRecursive(Util.java:299) at hudson.Util.deleteContentsRecursive(Util.java:205) at hudson.Util.deleteRecursive(Util.java:299) at hudson.Util.deleteContentsRecursive(Util.java:205) at hudson.Util.deleteRecursive(Util.java:299) at hudson.Util.deleteContentsRecursive(Util.java:205) at hudson.Util.deleteRecursive(Util.java:299) at org.jvnet.hudson.test.TestPluginManager$1.run(TestPluginManager.java:130) Results : Tests run: 7, Failures: 0, Errors: 0, Skipped: 0 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------
This directory contains jar files, JVM holds the handle of these files, and the deletion of this directory triggered by JVM fails.
You can resolve this problem with following steps:
- Trigger the release of plugins and the deletion of the temporary directory at the shutdown of JVM.
Here are sample codes:
- A utility class to delete the temporary directory at the shutdown of JVM.
import java.io.IOException; import hudson.Util; import org.jvnet.hudson.test.TestPluginManager; /** * Cleanup the temporary directory created by org.jvnet.hudson.test.TestPluginManager. * Needed for Jenkins < 1.510 * * Call TestPluginManagerCleanup.registerCleanup() at least once from anywhere. */ public class TestPluginManagerCleanup { private static Thread deleteThread = null; public static synchronized void registerCleanup() { if(deleteThread != null) { return; } deleteThread = new Thread("HOTFIX: cleanup " + TestPluginManager.INSTANCE.rootDir) { @Override public void run() { if(TestPluginManager.INSTANCE != null && TestPluginManager.INSTANCE.rootDir != null && TestPluginManager.INSTANCE.rootDir.exists()) { // Work as PluginManager#stop for(PluginWrapper p: TestPluginManager.INSTANCE.getPlugins()) { p.stop(); p.releaseClassLoader(); } TestPluginManager.INSTANCE.getPlugins().clear(); System.gc(); try { Util.deleteRecursive(TestPluginManager.INSTANCE.rootDir); } catch (IOException x) { x.printStackTrace(); } } } }; Runtime.getRuntime().addShutdownHook(deleteThread); } }
- This may not work for some environments. In that case, following pages may be helpful:
- A test class based on HudsonTestCase (junit3 based)
public class SomeTest extends HudsonTestCase { static { TestPluginManagerCleanup.registerCleanup(); } ...
- A test class based on JenkinsRule (junit4 based)
public class SomeTest { static { TestPluginManagerCleanup.registerCleanup(); } ...
Jenkins core caches and keep file handles
Jenkins packs files of each plugin into classes.jar to improve performance since 1.519 (f7330d7).
This is caused as JVM (to be exact, URLConnection) keeps file handles of jar files even after Jenkins released them.
You will see outputs like this:
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 62.997 sec - in hudson.plugins.copyartifact.BuildSelectorParameterTest java.nio.file.FileSystemException: C:\Users\yasuke\AppData\Local\Temp\hudson7190248855254390892tmp\credentials\WEB-INF\lib\classes.jar: The process cannot access the file because it is being used by another process. at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:86) at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97) at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102) at sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:269) at sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103) at java.nio.file.Files.delete(Files.java:1077) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at hudson.Util.deleteFile(Util.java:247) at hudson.Util.deleteRecursive(Util.java:310) at hudson.Util.deleteContentsRecursive(Util.java:212) at hudson.Util.deleteRecursive(Util.java:301) at hudson.Util.deleteContentsRecursive(Util.java:212) at hudson.Util.deleteRecursive(Util.java:301) at hudson.Util.deleteContentsRecursive(Util.java:212) at hudson.Util.deleteRecursive(Util.java:301) at hudson.Util.deleteContentsRecursive(Util.java:212) at hudson.Util.deleteRecursive(Util.java:301) at org.jvnet.hudson.test.TestPluginManager$1.run(TestPluginManager.java:146) Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
You can avoid this problem by disabling cache in URLConnection:
- A test class based on HudsonTestCase (junit3 based)
public class SomeTest extends HudsonTestCase { private boolean origDefaultUseCache = true; @Override protected void setUp() throws Exception { if(Functions.isWindows()) { // To avoid JENKINS-4409. // URLConnection caches handles to jar files by default, // and it prevents delete temporary directories. // Disable caching here. // Though defaultUseCache is a static field, // its setter and getter are provided as instance methods. URLConnection aConnection = new File(".").toURI().toURL().openConnection(); origDefaultUseCache = aConnection.getDefaultUseCaches(); aConnection.setDefaultUseCaches(false); } super.setUp(); } @Override protected void tearDown() throws Exception { super.tearDown(); if(Functions.isWindows()) { URLConnection aConnection = new File(".").toURI().toURL().openConnection(); aConnection.setDefaultUseCaches(origDefaultUseCache); } }
- A test class based on JenkinsRule (junit4 based)
public class SomeTest { @Rule public JenkinsRule j = new JenkinsRule() { private boolean origDefaultUseCache = true; @Override public void before() throws Throwable { if(Functions.isWindows()) { // To avoid JENKINS-4409. // URLConnection caches handles to jar files by default, // and it prevents delete temporary directories. // Disable caching here. // Though defaultUseCache is a static field, // its setter and getter are provided as instance methods. URLConnection aConnection = new File(".").toURI().toURL().openConnection(); origDefaultUseCache = aConnection.getDefaultUseCaches(); aConnection.setDefaultUseCaches(false); } super.before(); } @Override public void after() throws Exception { super.after(); if(Functions.isWindows()) { URLConnection aConnection = new File(".").toURI().toURL().openConnection(); aConnection.setDefaultUseCaches(origDefaultUseCache); } } }; ...
%TMP%\hudson-remotingXXXXXXXXXX, %TMP%\jenkins-remotingXXXXXXXXXX, is left even after tests
Those directories contains winp.dll or winp.x64.dll.
That DLL is generated by winp, Windows process management library and used in hudson.util.ProcessTree.Windows
.
For the DLL is linked to JVM while classes in winp are loaded, JVM is unable to delete those directories.
This happens only when slaves are launched in tests.
Tests using symbolic links.
- In Windows Vista or later, creating symbolic links needs administrative privilege.
- You need run tests as an administrator.
- It needs
java.nio.file.Files#isSymbolicLink
to test properly whether a file is a symbolic link in Windows.java.nio.file.Files
is available in Java >= 1.7.hudson.Util#isSymlink
handles Java >= 1.7 properly. You should usehudson.Util#isSymlink
rather thanorg.apache.commons.io.FileUtils#isSymlink


PLANET SICK-BOY: http://www.sick-boy.com "We Put the SIN in Cinema"
Here^Òs another textbook example of a film^Òs preview giving away too much of its plot. What Lies Beneath is a full three-quarters over before you get to the content revealed in the trailer. Fortunately, it doesn^Òt much matter ^Ö Beneath is a taut psychological thriller that would make Hitchcock proud. In fact, it could do for bathtubs what Hitch^Òs Psycho did for showers.
Beneath features Harrison Ford (Random Hearts) and Michelle Pfeiffer (The Story of Us), two stars with box office clout fading faster than the Baltimore Orioles' chance at a playoff berth. They play Dr. Norman and Claire Spencer, a genetic biologist and an ex-concert cellist, respectively. They live in a picturesque waterfront Vermont home that was formerly owned by Norman^Òs recently deceased father.
While Norman is completely consumed by his work, Claire stays at home and begins to experience strange and spooky stuff in their new house. It^Òs your typical poltergeist fare ^Ö doors opening on their own, pictures crashing to the floor ^Ö but nobody^Òs sure if it^Òs just Claire suffering from Empty Nest Syndrome (her only daughter just left for college) or if she^Òs really experiencing some type of otherworldly force. And if Claire is being haunted by an apparition, whose ghost is it? Norman^Òs dead father or perhaps the Spencers' new neighbor, who Claire believes was murdered? In an homage to Hitchcock^Òs Rear Window, Claire thinks she sees her body being removed from the house one night in the pouring rain. Like I said, if you^Òve seen the trailer, you already know the answer.
Claire also seems to be suffering from selective amnesia, forgetting important events that happened in her life, especially those surrounding a social event where Norman was awarded a Chair at a prestigious University. The whole role kind of reminded me of Emma Thompson in Kenneth Branagh^Òs wonderful Dead Again. Claire has to piece her own life back together with virtually no help from her unsympathetic husband, who seems to only care that her kookiness is inconveniencing his career.
There are about a dozen jump-out-of-your-skin moments in Beneath. You can see most of them coming, but they^Òre so well done that it doesn^Òt matter. The ending is very maddening and takes so long to develop (about thirty minutes) that people at my screening nearly became physically ill. I can^Òt ever recall being at a film before and hearing a group of men shouting out loud in fear or a woman shrieking at the top of her lungs. Beneath is a terrific popcorn thriller that plays better than The Sixth Sense and its sucker-punch ending. Just don^Òt eat too much popcorn.
Pfeiffer gives one of her best performances ever, but Ford has just turned into a really bad actor. He^Òs becoming more and more like Frankenstein with each film he makes. I^Òm not sure if he^Òs actually wooden or just grumpy. Even Beneath^Òs tagline could be interpreted as a poke at the fifty-eight-year-old actor ^Ö ^ÓHe was the perfect husband until his one mistake followed them home.^Ô What was it? Sabrina? Six Days, Seven Nights? Random Hearts? It doesn^Òt matter ^Ö when Ford takes off his shirt, studio executives roll around in money like Demi Moore in Indecent Proposal.
Director Robert Zemeckis (Contact) fills Beneath with a bunch of technically dazzling long shots, some of which left me scratching my head and wanting to see the film again. He^Òs one of the better mainstream directors out there, and the fact that Zemeckis and crew are able to sustain such a level of sheer terror for the last thirty minutes is a real testament to the director and the script, which was written by Clark Gregg. Beneath is Gregg^Òs debut screenplay, but he^Òs appeared in a myriad of films with amazing scripts (Magnolia, The Usual Suspects, The Spanish Prisoner) and was nominated for an Independent Spirit Award last year for his performance in The Adventures of Sebastian Cole.
Zemeckis, who won an Oscar for Forrest Gump, reassembled his top-notch crew for Beneath (namely, editor Arthur Schmidt, cinematographer Don Burgess, score-meister Alan Silvestri and production designer Rick Carter ^Ö all Oscar nominees for Gump). They do a fantastic job of making a beautiful lakefront home seem warm, cozy and inviting, as well as creepy, ominous and terrifying. Beneath is the first of two potential blockbusters helmed by Zemeckis this year - Cast Away, which re-teams the director with Gump star Tom Hanks, is set to be released this Christmas.
2:08 - PG-13 for terror/violence, sexual content and mild adult language
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rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
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Chewsit
Main
About
Preferences
Use Current Location
* REQUIRED *
$
$$
$$$
$$$$
Breakfast
Lunch
Dinner
Dessert
Chews It


Statistical Measures¶
The Simulator
class collects two list
instances
with raw data.
One list has the length of a session, the other list has the maximum stake
during a session. We need to create some descriptive statistics to
summarize these stakes and session lengths.
This section presents two ordinary statistical algorithms: mean and
standard deviation. Python 3 introduces the statistics
module,
which simplifies some of the programming required for
this chapter. We’ll present the details of how to compute these two statistics for those
who are interested in programming fundamentals.
In Statistical Analysis we’ll address the overall goal of gathering and analyzing statistics.
In Some Foundations we’ll look at the operator which is widely used for statistical calculation. We’ll see how to implement this in Python.
In Statistical Algorithms we’ll look specifically at mean and standard deviation.
Since we’re apply statistical calculation to a list of integer values, we’ll
look at how we can extend the list
in IntegerStatistics Design.
We’ll enumerate the deliverables for this chapter in Statistics Deliverables.
Statistical Analysis¶
We will design a class with responsibility to
retain and summarize a list of numbers and produce the average (also
known as the mean) and standard deviation. The Simulator
class
can then use this this IntegerStatistics
class to get an average
of the maximum stakes from the list of session-level measures. The Simulator
can also apply this IntegerStatistics
class to the list of session
durations to see an average length of game play before going broke.
We have three design approaches for encapsulating processing:
We can extend an existing class, or
We can wrap an existing class, creating a whole new kind of thing, or
We can delegate the statistical work to a separate function. This is how thing currently stand in Python. We have a build-in list class and a separate
statistics
module.
A good approach is to extend the built-in list
class with statistical summary features.
Given this new class, we can replace the original list
objects of sample
values with a IntegerStatistics
instance that both saves the values
and computes descriptive statistics.
This design allows us the freedom to switch list
implementation classes without making any other changes.
The detailed algorithms for mean and standard deviation are provided in Statistical Algorithms.
Some Foundations¶
For those programmers new to statistics, this section covers the Sigma operator, .
The operator has three parts to it. Below it is a bound variable, i, and the starting value for the range, written as . Above it is the ending value for the range, usually something like . To the right is some function to execute for each value of the bound variable. In this case, a generic function, is shown. This is read as “sum for in the range 0 to ”.
One common definition of uses a closed range, including the end values
of 0 and . However, since this is not a helpful definition
for Python, we will define to use a half-open interval. It has exactly
elements, including 0 and ; mathematically, .
This is how the range()
function works, so there are a lot of advantages
to using a half-open interval
We prefer the following notation. Since statistical and mathematical texts often used 1-based indexing, some care is required when translating formulae to programming languages that use 0-based indexing.
Our two statistical algorithms have a form more like the following function. In this we are applying some function, , to each value, , of a list, .
When computing the mean, as a special case, there is no function applied to the values in the list. When computing standard deviation, the function involves subtracting and multiplying.
Python Coding¶
Consider we look at the following summation:
We can transform this definition directly into a for
statement that sets the
bound variable to all of the values in the range, and does some
processing on each value of the list of integers, .
This is the Python
implementation of Sigma. This computes two values, the sum, s
and the number of elements, n
.
s = sum(theList)
n = len(theList)
When computing the standard deviation, we do something that has the following overall pattern:
s = sum(f(x) for x in theList)
n = len(theList)
Where the calculation computes the measure of deviation from the average.
Statistical Algorithms¶
We’ll look at two important algorithms:
mean, and
Mean¶
Computing the mean of a list of values, x, is relatively simple. The mean is the sum of the values divided by the number of values in the list. Here’s the formal definition of the mean, , of a list of values, . There are items in the list, .
The definition of the mathematical operator leads us to the following method for computing the mean:
sum(self)/len(self)
This matches the mathematical definition nicely.
Standard Deviation¶
The standard deviation can be done a few ways. We’ll use the formula shown below. This computes a deviation measurement as the square of the difference between each sample and the mean.
The sum of these measurements is then divided by the number of values times the number of degrees of freedom to get a standardized deviation measurement.
Again, the formula summarizes the for
statement, so we’ll show the formula followed by
an overview of the code.
The definition of the mathematical operator leads us to the following method for computing the standard deviation:
We can use a generator expression to compute the squares of the deviations
from the mean. The expression (x-m)**2 for x in self
is a sequence of
values. The sum()
function can sum this sequence.
m = mean(x)
math.sqrt(sum((x-m)**2 for x in self) / (len(self)-1))
This seems to match the mathematical definition nicely.
IntegerStatistics Design¶
-
class
IntegerStatistics
(list)¶ IntegerStatistics
computes several simple descriptive statistics ofint
values in alist
.This extends
list
with some additional methods.
Constructors¶
Since this class extends the built-in list, we’ll leverage the existing constructor.
Statistics Deliverables¶
There are three deliverables for this exercise. These classes will include the complete Python docstring.
The
IntegerStatistics
class.A unit test of the
IntegerStatistics
class.Prepare some simple list (or tuple) of test data.
The results can be checked with a spreadsheet
An update to the overall
Simulator
instance to use anIntegerStatistics
object to compute the mean and standard deviation of the peak stake. It also computes the mean and standard deviation of the length of each session of play.
Here is some standard deviation unit test data.
Sample Value |
10 |
8 |
13 |
9 |
11 |
14 |
6 |
4 |
12 |
7 |
5 |
Here are some intermediate results and the correct answers given to 6 significant digits. Your answers should be the same to the precision shown.
- sum
99
- count
11
- mean
9.0
- sum (x-m)**2
110.0
- stdev
3.317
Looking Forward¶
The key feature of this simulator is introducing different kinds of betting
strategies. Let’s look at a player that bets at random. It’s important
to compare random betting against the persistent better of the Passenger57
class.
The house edge is the same and the performance of the two strategies should
be very similar.


Before Change
sub_model = self._feature_extractor.get_sub_model(fine_tune_checkpoint_type)
return {"feature_extractor": sub_model}
def updates(self):
raise RuntimeError("This model is intended to be used with model_lib_v2 "
"which does not support updates()")
After Change
supported_types))
elif fine_tune_checkpoint_type == "fine_tune":
feature_extractor_model = tf.train.Checkpoint(
_feature_extractor=self._feature_extractor)
return {"model": feature_extractor_model}
else:
return {"feature_extractor": self._feature_extractor.get_sub_model(
fine_tune_checkpoint_type)}


Nottingham Forest boss Sabri Lamouchi spotted at French top flight match
Lamouchi pictured in the stands at the Ligue 1 clash between Marseille and Lyon at the Stade Velodrome
by James PallattNottingham Forest manager Sabri Lamouchi was spotted at a French top flight match during the international break.
While many of his players were jetting off for a short break, after the Reds beat arch-rivals Derby County 1-0 in the Championship, Lamouchi was pictured in the stands at the Ligue 1 clash between Marseille and Lyon at the Stade Velodrome.
It is unclear if Lamouchi was there for pleasure or on a scouting mission ahead of the January transfer window, when he will attempt to bolster the Forest squad in their bid for promotion to the Premier League, having guided them to fifth place in the table after 15 matches.
Andre Villas-Boas' Marseille won the match 2-1 thanks to a double from former West Ham midfielder Dimitri Payet, with ex-Celtic striker Moussa Dembele on target for Lyon.


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contMsg start....
submit formelementsI have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.
111111111111111111111111
I have an id of "popup" on my page container and only look like a dialog because the link to me had a data-rel="dialog"
attribute which gives me this inset look and a data-transition="pop"
attribute to change the transition to pop. Without this, I'd be styled as a normal page.


September
Project proposal, planning and design of the solution.
Researching and discovering potential sources of
information.
Gathering technologies required to implement solution.
October
Perform initialization of database and servers.
Develop data retrievers for GEDS, Jira and Bitbucket.
Create search web app.
Start work on info web app.
Preperation for final delivery.
Fix any bugs and issues.
Deliver project once complete.
November
Add in LinkedIn parser.
Integrate APIs into info web app.
Begin QA testing to ensure requirements are met.
December
Preparation for final delivery.
Fix any bugs and issues.
Deliver project once complete.


During my second year of studies at INSA Toulouse, I followed an optional web programming course. It covered the basics of HTML5, CSS3, Javascript and Jquery. To put into pratice what I had just learned, I tried and developped this simple game.
It has a very simple design and the code is probably outdated. But I was quite happy with it at the time, and I still find it funny to play. It is actually very challenging (at least for me) after 60 seconds, when all the four minigames are running !


2.1. Roof Classifier¶
The Roof Classifier’s methodology has been presented in Roof type classifier, and examples showing how to use it can be found in Roof Shape Classifier. This section presents its validation against two datasets.
Dataset 1: Compare with OpenStreetMap Labels¶
The trained classifier is first tested on a ground truth dataset that can be downloaded from Zenodo. This data set was obtained by randomly selecting from OpenStreetMap a series of buildings for which a roof:shape entry existed and it was one of: hipped, flat or gabled. Some options in Open Street Maps include: gambrel, pyramidal skillion, half-hipped, gambrel, dome, onion, round, sailbox. The google map API was then used to download satellite images of these buildings. From the downloaded images, images for which no roof was visible were removed, examples of removed images are as shown in Table 2.1.4.
The resulting dataset contained little over a hundred images: 32 flat, 40 gabled, 52 hipped. Examples of these satellite images are as shown below:
The following code was then used to predict the roof shape.
import shutil
import os
import pandas as pd
from glob import glob
import wget
import zipfile
# download the testing dataset
wget.download('https://zenodo.org/record/4520781/files/satellite-images-val.zip')
with zipfile.ZipFile('satellite-images-val.zip', 'r') as zip_ref:
zip_ref.extractall('.')
# get images
flatList = glob('satellite-images-val/flat/*.png')
gabledList = glob('satellite-images-val/gabled/*.png')
hippedList = glob('satellite-images-val/hipped/*.png')
# define the paths of images in a list
imgs=flatList+gabledList+hippedList
# import the module
from brails.modules import RoofClassifier
# initialize a roof classifier
roofModel = RoofClassifier()
# use the model to predict
predictions = roofModel.predict(imgs)
prediction = predictions['prediction'].values.tolist()
label = ['flat']*len(flatList) + ['gabled']*len(gabledList) + ['hipped']*len(hippedList)
# lot results
class_names = ['flat','gabled', 'hipped']
from brails.utils.plotUtils import plot_confusion_matrix
from sklearn.metrics import confusion_matrix
from sklearn.metrics import f1_score,accuracy_score
# print
print(' Accuracy is : {}, Random guess is 0.33'.format(accuracy_score(prediction,label)))
cnf_matrix = confusion_matrix(prediction,label)
plot_confusion_matrix(cnf_matrix, classes=class_names, title='Confusion matrix',normalize=True,xlabel='Labels',ylabel='Predictions')
Note
The code presented is similar to what was shown in the Roof Shape Classifier. It demonstrates how python can be used to generate the list of images to be classified.
The prediction accuracy on this dataset is 90.3%. Precision is 90.3%. Recall is 90.3%. F1 is 90.3%.
The confusion matrix for this validation is shown in Fig. 2.1.4.
Dataset 2: Compare with StEER Hurricane Laura Dataset¶
The second validation dataset was obtained from StEER. From StEER, we obtained a list of addresses with their roof types labelled. For each address, we downloaded an satellite image from Google Maps Static API.

The dataset is available from Zenodo.
The labeling system of StEER is different from the BRAILS roof classification system. The StEER labels include the following classes:
Gable/Hip Combo
Hip
Gable
Complex
Flat
While the BRAILS roof types only include the following classes:
gabled
hipped
flat
To compare these two systems, from the StEER dataset we selected only addresses labeled as ‘Flat’, ‘Gable’, ‘Hip’. As a consequence, the set of buildings for which the validation was perfomed contained the following number of images:
hipped, 33
gabled, 21
flat , 2
The following shows the script to run this validation.
# ### Load labels and predictions from The Lake Charles Testbed
import pandas as pd
data = pd.read_csv('StEER_Laura.csv')
data.describe()
data = data[(data['RoofShape(StEER)']=='Hip') |
(data['RoofShape(StEER)']=='Gable') |
(data['RoofShape(StEER)']=='Flat')]
roofDict = {'Gable':'gabled','Flat':'flat','Hip':'hipped'}
data['RoofShape(StEER)']=data['RoofShape(StEER)'].apply(lambda x: roofDict[x])
data['RoofShape(Testbed)']=data['RoofShape(Testbed)'].apply(lambda x: roofDict[x])
# ### Plot confusion matrix
import sys
sys.path.append(".")
from plotUtils import plot_confusion_matrix
from sklearn.metrics import confusion_matrix
from sklearn.metrics import f1_score,accuracy_score,f1_score
class_names = list(data['RoofShape(Testbed)'].unique())
predictions = data['RoofShape(Testbed)']
labels = data['RoofShape(StEER)']
cnf_matrix = confusion_matrix(labels,predictions)
plot_confusion_matrix(cnf_matrix, classes=class_names, title='Confusion matrix',normalize=True,xlabel='BRAILS',ylabel='StEER')
for i,cname in enumerate(class_names):
accuracy = '%.1f'%(cnf_matrix[i][i]/sum(cnf_matrix[i]))
TP = cnf_matrix[i][i]
FP = sum(cnf_matrix[:,i])-cnf_matrix[i,i]
FN = sum(cnf_matrix[i,:])-cnf_matrix[i,i]
F1 = '%.1f'%(TP/(TP+0.5*(FP+FN)))
print(f'{cname}: Accuracy = {accuracy}, F1 = {F1}')
# ### Copy images to directories {label}-{prediction} for inspection
import os
import shutil
predDir = 'tmp/images/roof_predictions'
if not os.path.exists(predDir):
os.makedirs(predDir)
falseNames = []
def copyfiles(bim):
for ind, row in bim.iterrows():
label = row['RoofShape(StEER)']
pred = row['RoofShape(Testbed)']
lon, lat = '%.6f'%row['Longitude'], '%.6f'%row['Latitude']
oldfile = f'tmp/images/TopView/TopViewx{lon}x{lat}.png'
newfile = f'{predDir}/{label}-{pred}/TopViewx{lon}x{lat}.png'
thisFileDir = f'{predDir}/{label}-{pred}/'
if not os.path.exists(thisFileDir): os.makedirs(thisFileDir)
try:
shutil.copyfile(oldfile, newfile)
except:
print(oldfile)
copyfiles(data)
The confusion matrix tested on this dataset is shown in Fig. 2.1.5.
The accuracy for the three classes are:
flat: Accuracy = 1.0, F1 = 0.4
hipped: Accuracy = 0.7, F1 = 0.7
gabled: Accuracy = 0.7, F1 = 0.8


After you’ve changed the Admin password and installed the latest updates (the initial key actions), you may want to review the Teams Rooms settings. To do this, select More and then Settings.
The initial screen is About, which shows the app version, the Windows version, the IP addresses, and the host name.
The Account and Advanced screens are the same as what is shown during the out-of-box experience.
In Meetings, you have a few options to consider.
One is Automatic screen-sharing. This means if someone takes their laptop and connects it via HDMI cable to the console, it will immediately be shared into the room. If you'd like to disable that feature, untick Automatic Screen Sharing.
When meetings are shown on the console, the name of the meeting is displayed, such as Weekly Status Meeting. If you're in a secure environment and don't want to have meeting names display unnecessary information, such as Acquisition of Tailspin Toys, you may want to disable the Show meeting names feature. The Teams Rooms console will then show only the name of the meeting organizer on the console.
The third option is Leave meetings automatically if everyone else has left. If all the remote attendees have left the meeting, and the meeting time has expired, then the meeting room will automatically exit the current meeting. This is a security feature so that the meeting doesn't stay active while no one is around.
Finally, you have Third-party meetings. This is the ability of Teams Rooms to join meetings hosted by external providers such as Cisco and Zoom. If you want to enable this feature, select the third parties you want to connect with and make sure your resource account has the following Exchange settings enabled:
You can set these values via Exchange Online PowerShell with the following command:
Set-CalendarProcessing <Teams Rooms Resource Account UPN > -ProcessExternalMeetingMessages $True -DeleteComments $False -DeleteSubject $False
You'll also need to disable Microsoft 365 Threat Protection link rewrite for any third-party domain names (such as *.webex.com), using the article "Do not rewrite the following URLs" lists in Safe Links policies.
The Device screen lets you set a few hardware options.
If you have two front-of-room displays connected, you should enable the Dual monitor mode option. Dual monitor mode shows a gallery view of attendees on one screen and any shared content on the other. If you’d like to swap which screen shows the meeting content and which screen shows the remote attendees, you can do that by clicking Swap screens.
The Bluetooth beaconing setting is used to enable Proximity Join. People can add Teams Rooms meetings simply by being close to the room and adding them from the Join screen of their Android, iOS, or Windows 10 devices.
Automatically accept proximity-based meeting invitations means Teams Rooms will automatically join the meeting if it was invited via Proximity Join. If you disable this, you'll have to hit a button on the console to manually join the meeting.
Send logs with feedback allows you to send logs from the device to your Teams Rooms administrators. When in a meeting, there is a feedback button on the console. In-room attendees can select that feedback button and report any issues they encountered. That feedback, along with system logs, will then be forwarded to the e-mail address listed here.
Coordinated meeting join is a unique feature of Teams Rooms and Surface Hub. Suppose you have a meeting room that has both Teams Rooms and Surface Hub in it. You can configure it so that when Teams Rooms joins a meeting, Surface Hub will automatically join that meeting. You can configure which device to use for microphone, camera, and whiteboarding. Generally, you would use Teams Rooms for audio and camera as those should be the superior audio/visual devices. Similarly, the Surface Hub would be the default device for whiteboarding. You can also use coordinated join to automatically invite another Teams Room.
In the Peripherals screen, you can change the microphone, speaker, and default speaker. You can also set the default speaker volumes.
The Content Camera option lets you select which camera you'll use for this feature. Only a subset of certified cameras are supported to record analog whiteboards. You can see the list of supported content cameras on the Microsoft Teams Rooms requirements page.
The Content enhancements option is used to enable the content camera to maximize the view of analog Microsoft Whiteboards by framing the board and turning the person diagramming at the analog whiteboard transparent. Disabling this option returns the camera to its basic operation of just showing the analog whiteboard without added intelligence.
Teams Rooms ships with pre-installed themes. In this area, you have the chance to change the themes from the default setting to a new one. In this example, Pixel Perfect has been selected as the theme.


Also known as Khania, this was originally the capital of Crete. The old Venetian city around the harbour is a fascinating place to explore and it has only very recently become popular with tourists.
Take care as the harbour entrance can become quite dangerous in strong onshore winds with rough seas. The detached breakwater just off the entrance is only just visible above the waves.
This is an official port of entry for Greece.
For full details on clearing into our out of Greece see Greek Formalities.
Clearance here is straightforward and costs are reported to be low.
Last updated April 2016.
On approach contact the local Coast Guard to check for berth availability. See the comment below re. entering this harbour at night.
The harbour is to port after passing the breakwater. Transit berths are available in the inner harbour on the starboard side (southern quay). It's possible to berth alongside (in quieter months) or Med style with laid moorings. The inner "marina" is normally full of local yachts and it is doubtful a berth can be found here.
There is water and electricity available and a public shower and WC on shore. There is also a fuel station in town. Fuel can be delivered by mini-tanker. Ask the Coastguard.
While space is limited, shelter is excellent and many cruisers find this a lively spot to spend the winter as unlike many other coastal Greek towns, it does not "die" during the winter months.
Local weather (in English) on VHF channel 85 at 0600/1000/1600 & 2200 UTC.
Last updated April 2016.


{% set project_config = inject_project_config(project) %}
ssense/tools/run_custom_classifier.py
sense/tools/conversion/convert_to_tflite.py


|
LibDriver SHT31
2.0.0
SHT31 full function driver
|
sht31 base driver modules More...
Data Structures | |
| struct | sht31_handle_s |
| sht31 handle structure definition More... | |
| struct | sht31_info_s |
| sht31 information structure definition More... | |
Typedefs | |
| typedef struct sht31_handle_s | sht31_handle_t |
| sht31 handle structure definition More... | |
| typedef struct sht31_info_s | sht31_info_t |
| sht31 information structure definition More... | |
Enumerations | |
| enum | sht31_address_t { SHT31_ADDRESS_0 = (0x44 << 1) , SHT31_ADDRESS_1 = (0x45 << 1) } |
| sht31 address enumeration definition More... | |
| enum | sht31_bool_t { SHT31_BOOL_FALSE = 0x00 , SHT31_BOOL_TRUE = 0x01 } |
| sht31 bool enumeration definition More... | |
| enum | sht31_rate_t { SHT31_RATE_0P5HZ = 0x20 , SHT31_RATE_1HZ = 0x21 , SHT31_RATE_2HZ = 0x22 , SHT31_RATE_4HZ = 0x23 , SHT31_RATE_10HZ = 0x27 } |
| sht31 rate enumeration definition More... | |
| enum | sht31_repeatability_t { SHT31_REPEATABILITY_HIGH = 0x00 , SHT31_REPEATABILITY_MEDIUM = 0x01 , SHT31_REPEATABILITY_LOW = 0x02 } |
| sht31 repeatability enumeration definition More... | |
| enum | sht31_status_t { SHT31_STATUS_ALERT_PENDING_STATUS = (1 << 15) , SHT31_STATUS_HEATER_ON = (1 << 13) , SHT31_STATUS_HUMIDITY_ALERT = (1 << 11) , SHT31_STATUS_TEMPERATURE_ALERT = (1 << 10) , SHT31_STATUS_SYSTEM_RESET = (1 << 4) , SHT31_STATUS_COMMAND_STATUS = (1 << 1) , SHT31_STATUS_CHECKSUM_STATUS = (1 << 0) } |
| sht31 status enumeration definition More... | |
Functions | |
| uint8_t | sht31_info (sht31_info_t *info) |
| get chip's information More... | |
| uint8_t | sht31_set_addr_pin (sht31_handle_t *handle, sht31_address_t addr_pin) |
| set the iic address pin More... | |
| uint8_t | sht31_get_addr_pin (sht31_handle_t *handle, sht31_address_t *addr_pin) |
| get the iic address pin More... | |
| uint8_t | sht31_init (sht31_handle_t *handle) |
| initialize the chip More... | |
| uint8_t | sht31_deinit (sht31_handle_t *handle) |
| close the chip More... | |
| uint8_t | sht31_single_read (sht31_handle_t *handle, sht31_bool_t clock_stretching_enable, uint16_t *temperature_raw, float *temperature_s, uint16_t *humidity_raw, float *humidity_s) |
| read data once More... | |
| uint8_t | sht31_start_continuous_read (sht31_handle_t *handle, sht31_rate_t rate) |
| start reading More... | |
| uint8_t | sht31_stop_continuous_read (sht31_handle_t *handle) |
| stop reading More... | |
| uint8_t | sht31_continuous_read (sht31_handle_t *handle, uint16_t *temperature_raw, float *temperature_s, uint16_t *humidity_raw, float *humidity_s) |
| read data continuously More... | |
| uint8_t | sht31_get_status (sht31_handle_t *handle, uint16_t *status) |
| get the current status More... | |
| uint8_t | sht31_clear_status (sht31_handle_t *handle) |
| clear the current status More... | |
| uint8_t | sht31_set_repeatability (sht31_handle_t *handle, sht31_repeatability_t repeatability) |
| set the measurement repeatability More... | |
| uint8_t | sht31_get_repeatability (sht31_handle_t *handle, sht31_repeatability_t *repeatability) |
| get the measurement repeatability More... | |
| uint8_t | sht31_set_art (sht31_handle_t *handle) |
| set the chip art More... | |
| uint8_t | sht31_soft_reset (sht31_handle_t *handle) |
| soft reset the chip More... | |
| uint8_t | sht31_set_heater (sht31_handle_t *handle, sht31_bool_t enable) |
| enable or disable the chip heater More... | |
sht31 base driver modules
| typedef struct sht31_handle_s sht31_handle_t |
sht31 handle structure definition
| typedef struct sht31_info_s sht31_info_t |
sht31 information structure definition
| enum sht31_address_t |
sht31 address enumeration definition
| Enumerator | |
|---|---|
| SHT31_ADDRESS_0 | ADDR pin connected to GND |
| SHT31_ADDRESS_1 | ADDR pin connected to VCC |
Definition at line 63 of file driver_sht31.h.
| enum sht31_bool_t |
sht31 bool enumeration definition
| Enumerator | |
|---|---|
| SHT31_BOOL_FALSE | disable function |
| SHT31_BOOL_TRUE | enable function |
Definition at line 72 of file driver_sht31.h.
| enum sht31_rate_t |
sht31 rate enumeration definition
| Enumerator | |
|---|---|
| SHT31_RATE_0P5HZ | 0.5Hz sample rate |
| SHT31_RATE_1HZ | 1Hz sample rate |
| SHT31_RATE_2HZ | 2Hz sample rate |
| SHT31_RATE_4HZ | 4Hz sample rate |
| SHT31_RATE_10HZ | 10Hz sample rate |
Definition at line 81 of file driver_sht31.h.
sht31 repeatability enumeration definition
| Enumerator | |
|---|---|
| SHT31_REPEATABILITY_HIGH | high repeatability |
| SHT31_REPEATABILITY_MEDIUM | medium repeatability |
| SHT31_REPEATABILITY_LOW | low repeatability |
Definition at line 93 of file driver_sht31.h.
| enum sht31_status_t |
sht31 status enumeration definition
Definition at line 103 of file driver_sht31.h.
| uint8_t sht31_clear_status | ( | sht31_handle_t * | handle | ) |
clear the current status
| [in] | *handle | points to a sht31 handle structure |
Definition at line 338 of file driver_sht31.c.
| uint8_t sht31_continuous_read | ( | sht31_handle_t * | handle, |
| uint16_t * | temperature_raw, | ||
| float * | temperature_s, | ||
| uint16_t * | humidity_raw, | ||
| float * | humidity_s | ||
| ) |
read data continuously
| [in] | *handle | points to a sht31 handle structure |
| [out] | *temperature_raw | points to a raw temperature buffer |
| [out] | *temperature_s | points to a converted temperature buffer |
| [out] | *humidity_raw | points to a raw humidity buffer |
| [out] | *humidity_s | points to a converted humidity buffer |
Definition at line 714 of file driver_sht31.c.
| uint8_t sht31_deinit | ( | sht31_handle_t * | handle | ) |
close the chip
| [in] | *handle | points to a sht31 handle structure |
Definition at line 205 of file driver_sht31.c.
| uint8_t sht31_get_addr_pin | ( | sht31_handle_t * | handle, |
| sht31_address_t * | addr_pin | ||
| ) |
get the iic address pin
| [in] | *handle | points to a sht31 handle structure |
| [out] | *addr_pin | points to a chip iic address pin buffer |
Definition at line 270 of file driver_sht31.c.
| uint8_t sht31_get_repeatability | ( | sht31_handle_t * | handle, |
| sht31_repeatability_t * | repeatability | ||
| ) |
get the measurement repeatability
| [in] | *handle | points to a sht31 handle structure |
| [out] | *repeatability | points to a measurement repeatability buffer |
Definition at line 400 of file driver_sht31.c.
| uint8_t sht31_get_status | ( | sht31_handle_t * | handle, |
| uint16_t * | status | ||
| ) |
get the current status
| [in] | *handle | points to a sht31 handle structure |
| [out] | *status | points to a status buffer |
Definition at line 292 of file driver_sht31.c.
| uint8_t sht31_info | ( | sht31_info_t * | info | ) |
get chip's information
| [out] | *info | points to a sht31 info structure |
Definition at line 941 of file driver_sht31.c.
| uint8_t sht31_init | ( | sht31_handle_t * | handle | ) |
initialize the chip
| [in] | *handle | points to a sht31 handle structure |
Definition at line 131 of file driver_sht31.c.
| uint8_t sht31_set_addr_pin | ( | sht31_handle_t * | handle, |
| sht31_address_t | addr_pin | ||
| ) |
set the iic address pin
| [in] | *handle | points to a sht31 handle structure |
| [in] | addr_pin | is the chip iic address pin |
Definition at line 248 of file driver_sht31.c.
| uint8_t sht31_set_art | ( | sht31_handle_t * | handle | ) |
set the chip art
| [in] | *handle | points to a sht31 handle structure |
Definition at line 769 of file driver_sht31.c.
| uint8_t sht31_set_heater | ( | sht31_handle_t * | handle, |
| sht31_bool_t | enable | ||
| ) |
enable or disable the chip heater
| [in] | *handle | points to a sht31 handle structure |
| [in] | enable | is a bool value |
Definition at line 842 of file driver_sht31.c.
| uint8_t sht31_set_repeatability | ( | sht31_handle_t * | handle, |
| sht31_repeatability_t | repeatability | ||
| ) |
set the measurement repeatability
| [in] | *handle | points to a sht31 handle structure |
| [in] | repeatability | is the measurement repeatability |
Definition at line 374 of file driver_sht31.c.
| uint8_t sht31_single_read | ( | sht31_handle_t * | handle, |
| sht31_bool_t | clock_stretching_enable, | ||
| uint16_t * | temperature_raw, | ||
| float * | temperature_s, | ||
| uint16_t * | humidity_raw, | ||
| float * | humidity_s | ||
| ) |
read data once
| [in] | *handle | points to a sht31 handle structure |
| [in] | clock_stretching_enable | is a clock stretching bool value |
| [out] | *temperature_raw | points to a raw temperature buffer |
| [out] | *temperature_s | points to a converted temperature buffer |
| [out] | *humidity_raw | points to a raw humidity buffer |
| [out] | *humidity_s | points to a converted humidity buffer |
Definition at line 433 of file driver_sht31.c.
| uint8_t sht31_soft_reset | ( | sht31_handle_t * | handle | ) |
soft reset the chip
| [in] | *handle | points to a sht31 handle structure |
Definition at line 805 of file driver_sht31.c.
| uint8_t sht31_start_continuous_read | ( | sht31_handle_t * | handle, |
| sht31_rate_t | rate | ||
| ) |
start reading
| [in] | *handle | points to a sht31 handle structure |
| [in] | rate | is the sample rate |
Definition at line 546 of file driver_sht31.c.
| uint8_t sht31_stop_continuous_read | ( | sht31_handle_t * | handle | ) |
stop reading
| [in] | *handle | points to a sht31 handle structure |
Definition at line 674 of file driver_sht31.c.


| Introduction 1 | Introduction 1 | Introduction 2 | Objective | Key definitions |
In general, IFRS 1 requires an entity to comply with each IFRS effective at the end of its first IFRS reporting period for its first IFRS financial statements, with some specific exemptions.
IFRS 1 also requires disclosures that explain how the transition from previous GAAP to IFRS affects the entitys reported financial position, financial performance and cash flows.
| Select each item below to find out more about the amendments to IFRS1: |
| Application of IFRS 1 |
| Changes under IFRS 1 (2008) |
| Additional Exemptions for First-time Adopters |
| Exemptions from IFRS 7 disclosure |
| Improvements to IFRSs |
| Amendments in January 2011 |
All of these amendments are reflected in this learning unit. Click the bullet points to find out more. |
In general, IFRS 1 requires an entity to comply with each IFRS effective at the end of its first IFRS reporting period for its first IFRS financial statements, with some specific exemptions.
IFRS 1 also requires disclosures that explain how the transition from previous GAAP to IFRS affects the entitys reported financial position, financial performance and cash flows.
The objective of IFRS 1 is to ensure that an entitys first IFRS financial statements, and its interim financial reports for part of the period covered by those financial statements, contain high quality information that:
- is transparent and comparable over all periods presented
- provides a suitable starting point for accounting under International Financial Reporting Standards (IFRS)
- can be generated at a cost that does not exceed the benefits to users
| There are three key definitions that must be clear before continuing: |
|
|
|
Click the bullet points to find out more. |


Cookies website
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Close:
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You should be receiving it shortly." %}


Dame Dash Reveals He's Lead Singer of a Band Named Billy Pablo and the Guns
by VladTVRecently, Damon Dash held a secret show where he unveils his latest project: a funk rock band called Billy Pablo and the Black Guns. Dame is serving as the lead singer of the group and reportedly performed some of the crew’s new material. This is an interesting take for the 48-year-old mogul, but not a new one, as he brought together the like of the Black Keys and various rappers for his BlakRoc project in 2009. Watch above.


hi there and welcome to the images page.
obviously, there is suppose to be multiple links, but that's alright :)
okay, but seriously you should be on the home page if anything.
k cool have a good day@!dsa


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PySpark Dataframe Distribution Explorer
I found myself using some half baked, quickly written functions to do data exploration in PySpark, every time using a similar but modified version of the same function. So I decided to create a more structural solution. The result is: pyspark_dist_explore
Create histograms as you would in Matplotlib
Creating an histogram is as easy as:
hist(ax, dataframe, **kwargs)
Where ax is a matplotlib Axes object. dataframe a PySpark DataFrame, and kwargs all the kwargs you would use in the matplotlib hist function.
Other options
I’ve added some other options I found myself using a lot as well:
-
distplot(ax, x, **kwargs). Combines a normalized histogram of each column in x with a density plot of the same column.
-
pandas_histogram(x, bins=None, range=None). Creates histograms for all columns in x and converts this to a Pandas DataFrame
See for more info:


Take turns piling bombs onto the squares. Corner squares explode with two bombs, edge squares explode with three bombs, center squares explode with four bombs. Game ends when a player has no bombs left.


[§554A-2] Powers of trustee conferred by trust or by law. (a) The trustee has all powers conferred upon the trustee by this chapter unless limited in the trust instrument and except as is otherwise provided by law.
(b) An instrument which is not a trust under this chapter may incorporate any part of this chapter by reference. [L 1985, c 61, pt of §1]


|
BSL430.NET
1.2.1
|
EEPROM structure specific to FT4232H devices. Inherits from FT_EEPROM_DATA. More...
Public Attributes | |
| bool | PullDownEnable = false |
| Determines if IOs are pulled down when the device is in suspend More... | |
| bool | SerNumEnable = true |
| Determines if the serial number is enabled More... | |
| bool | ASlowSlew = false |
| Determines if A pins have a slow slew rate More... | |
| bool | ASchmittInput = false |
| Determines if the A pins have a Schmitt input More... | |
| byte | ADriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
| Determines the A pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA More... | |
| bool | BSlowSlew = false |
| Determines if B pins have a slow slew rate More... | |
| bool | BSchmittInput = false |
| Determines if the B pins have a Schmitt input More... | |
| byte | BDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
| Determines the B pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA More... | |
| bool | CSlowSlew = false |
| Determines if C pins have a slow slew rate More... | |
| bool | CSchmittInput = false |
| Determines if the C pins have a Schmitt input More... | |
| byte | CDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
| Determines the C pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA More... | |
| bool | DSlowSlew = false |
| Determines if D pins have a slow slew rate More... | |
| bool | DSchmittInput = false |
| Determines if the D pins have a Schmitt input More... | |
| byte | DDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
| Determines the D pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA More... | |
| bool | ARIIsTXDEN = false |
| RI of port A acts as RS485 transmit enable (TXDEN) More... | |
| bool | BRIIsTXDEN = false |
| RI of port B acts as RS485 transmit enable (TXDEN) More... | |
| bool | CRIIsTXDEN = false |
| RI of port C acts as RS485 transmit enable (TXDEN) More... | |
| bool | DRIIsTXDEN = false |
| RI of port D acts as RS485 transmit enable (TXDEN) More... | |
| bool | AIsVCP = true |
| Determines if channel A loads the VCP driver More... | |
| bool | BIsVCP = true |
| Determines if channel B loads the VCP driver More... | |
| bool | CIsVCP = true |
| Determines if channel C loads the VCP driver More... | |
| bool | DIsVCP = true |
| Determines if channel D loads the VCP driver More... | |
| Public Attributes inherited from FTD2XX_NET.FTDI.FT_EEPROM_DATA | |
| UInt16 | VendorID = 0x0403 |
| Vendor ID as supplied by the USB Implementers Forum More... | |
| UInt16 | ProductID = 0x6001 |
| Product ID More... | |
| string | Manufacturer = "FTDI" |
| Manufacturer name string More... | |
| string | ManufacturerID = "FT" |
| Manufacturer name abbreviation to be used as a prefix for automatically generated serial numbers More... | |
| string | Description = "USB-Serial Converter" |
| Device description string More... | |
| string | SerialNumber = "" |
| Device serial number string More... | |
| UInt16 | MaxPower = 0x0090 |
| Maximum power the device needs More... | |
| bool | SelfPowered = false |
| Indicates if the device has its own power supply (self-powered) or gets power from the USB port (bus-powered) More... | |
| bool | RemoteWakeup = false |
| Determines if the device can wake the host PC from suspend by toggling the RI line More... | |
EEPROM structure specific to FT4232H devices. Inherits from FT_EEPROM_DATA.
| byte FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.ADriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
Determines the A pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.AIsVCP = true |
Determines if channel A loads the VCP driver
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.ARIIsTXDEN = false |
RI of port A acts as RS485 transmit enable (TXDEN)
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.ASchmittInput = false |
Determines if the A pins have a Schmitt input
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.ASlowSlew = false |
Determines if A pins have a slow slew rate
| byte FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.BDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
Determines the B pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.BIsVCP = true |
Determines if channel B loads the VCP driver
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.BRIIsTXDEN = false |
RI of port B acts as RS485 transmit enable (TXDEN)
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.BSchmittInput = false |
Determines if the B pins have a Schmitt input
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.BSlowSlew = false |
Determines if B pins have a slow slew rate
| byte FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.CDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
Determines the C pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.CIsVCP = true |
Determines if channel C loads the VCP driver
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.CRIIsTXDEN = false |
RI of port C acts as RS485 transmit enable (TXDEN)
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.CSchmittInput = false |
Determines if the C pins have a Schmitt input
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.CSlowSlew = false |
Determines if C pins have a slow slew rate
| byte FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.DDriveCurrent = FT_DRIVE_CURRENT.FT_DRIVE_CURRENT_4MA |
Determines the D pins drive current in mA. Valid values are FT_DRIVE_CURRENT_4MA, FT_DRIVE_CURRENT_8MA, FT_DRIVE_CURRENT_12MA or FT_DRIVE_CURRENT_16MA
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.DIsVCP = true |
Determines if channel D loads the VCP driver
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.DRIIsTXDEN = false |
RI of port D acts as RS485 transmit enable (TXDEN)
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.DSchmittInput = false |
Determines if the D pins have a Schmitt input
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.DSlowSlew = false |
Determines if D pins have a slow slew rate
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.PullDownEnable = false |
Determines if IOs are pulled down when the device is in suspend
| bool FTD2XX_NET.FTDI.FT4232H_EEPROM_STRUCTURE.SerNumEnable = true |
Determines if the serial number is enabled


|
BL3 SDK
0.0.1
Borderlands 3 Class Documentation
|
#include <BL3_OakGame_structs.hpp>
Public Attributes | |
| struct FLinearColor | Primary1 |
| bool | bOverridePrimary1 |
| unsigned char | UnknownData00 [0x3] |
| struct FLinearColor | Primary2 |
| bool | bOverridePrimary2 |
| unsigned char | UnknownData01 [0x3] |
| struct FLinearColor | Secondary1 |
| bool | bOverrideSecondary1 |
| unsigned char | UnknownData02 [0x3] |
| struct FLinearColor | Secondary2 |
| bool | bOverrideSecondary2 |
| unsigned char | UnknownData03 [0x3] |
| struct FLinearColor | Tertiary1 |
| bool | bOverrideTertiary1 |
| unsigned char | UnknownData04 [0x3] |
| struct FLinearColor | Tertiary2 |
| bool | bOverrideTertiary2 |
| unsigned char | UnknownData05 [0x3] |
| Public Attributes inherited from FOakCharacterCustomization | |
| bool | bRandomizeColor |
| unsigned char | UnknownData00 [0x3] |
| struct FColorRandomizer | ColorRandomizer |
| bool bOverridePrimary1 |
| bool bOverridePrimary2 |
| bool bOverrideSecondary1 |
| bool bOverrideSecondary2 |
| bool bOverrideTertiary1 |
| bool bOverrideTertiary2 |
| struct FLinearColor Primary1 |
| struct FLinearColor Primary2 |
| struct FLinearColor Secondary1 |
| struct FLinearColor Secondary2 |
| struct FLinearColor Tertiary1 |
| struct FLinearColor Tertiary2 |
| unsigned char UnknownData00[0x3] |
| unsigned char UnknownData01[0x3] |
| unsigned char UnknownData02[0x3] |
| unsigned char UnknownData03[0x3] |
| unsigned char UnknownData04[0x3] |
| unsigned char UnknownData05[0x3] |


Front-End¶
Introduction¶
While Go-Web does not dictate which technology developers should use when building applications consuming APIs made with this Go-Web framework, it does provide foundations for building apps by suggesting the use of React and Redux.
Front-end assets and files can be found in folder 〈go-web〉/assets
Specifically, the structure of the assets folder is simple and contains following sub folders:
- js
contains JavaScript files used by the front-end application;
- css
contains JavaScript files used by the front-end application;
- view
contains HTML views
Because Go-Web suggests using React and Redux, developers who want to use this stack must install appropriate tools on the development machine, like NodeJS and NPM ; this document will not cover React, Redux or other front-end related topics other than few “basic” concepts. For instance, the core single page application can be installed by running command
npm install
Views¶
Views are implemented by package http/template; Go-Web provides a simple helper to return a view from a controller, as reported in following example:
func (c *ViewController) Main() {
helper.View("index.html", c.Response, nil)
}
Helper function View accepts three parameters:
the view’s path
the HTTP response returned by the controller
the interface used to “fill” the view


"Hello! Developers"
SOFTWARE DEVELOPING CONTEST 2021
A friendly competition celebrated in Mexico, participating countries all over the world, this december 2021
2021.12.17(FRI) - 19(SUN)
@ Technology Museum of CDMX, CARSO Center
Main Program
Intro
some text must to be inserted here
Contest
some text must to be inserted here
Prizing
some text must to be inserted here
Prizing
some text must to be inserted here
Prizing
some text must to be inserted here


You should get something like this:
House --- ( 65, 100) width=110, height=110 Door --- (120, 165) width= 25, height= 40 Left Window --- ( 90, 115) width= 30, height= 30 Right Window --- (130, 115) width= 30, height= 30 Tree Trunk --- (255, 100) width= 10, height=100
With this information, we can start coding the applet.
import java.applet.Applet; import java.awt.*; // assume that the drawing area is 350 by 250 public class HouseRectangles extends Applet { final int width = 350, height = 250; final int houseX = ________, houseY = ______, houseW = _______, houseH = ______ ; final int doorX = ________, doorY = ______, doorW = _______, doorH = ______ ; final int lWindX = ________, lWindY = ______, lWindW = _______, lWindH = ______ ; final int rWindX = ________, rWindY = ______, rWindW = _______, rWindH = ______ ; final int trunkX = ________, trunkY = ______, trunkW = _______, trunkH = ______ ; public void paint ( Graphics gr ) { gr.drawRect( ); // house gr.drawRect( ); // door gr.drawRect( ); // lwind gr.drawRect( ); // rwind gr.drawRect( ); // trunk } }
You may think that it would be just as easy to put the numbers directly in the various called to the drawRect() method, but this is not so. If you need to adjust things later on, it will be very useful to have names for the various values you wish to change.


Visit my website
Query 1: My latest tweet
Query 2: What people are saying about me!
Query 3: Last 5 Twitter posts using hastag #Caturday, including images (if any)
Query 4: Last 3 Twitter posts using hastag #API
Query 5: Last 3 Twitter posts using hastag #API with custom callback


SimpleDB on Windows
Dowload SimpleDB
## Structure
1. simpledb - The server side code for the database.
2. studentclient - Example client-side code for the database
3. javadoc - API for the database
## Windows vs Mac vs Linux
Most instructions are the same between all three platforms, except for a few commands.
* `Start` is not a command in mac and Linux, so append the command with an `&` instead
* `Start command` vs `command &`
* Variables in Macs and Linuxes are used differently than they are in Windows
* To print the `PATH` variable in Windows: `echo %PATH%`
* To print it on Mac or Linux: `echo $PATH`
* Variables on both platforms must always be in ALL CAPS for them to be recognized
* Directories in Path variables are separted by `:` in Mac/Linux and `;` in Windows
* The home directory path is different for mac/linux and windows. If your username is **username** , then on mac/linux, the location would be: `/Users/username/` and on windows it would be `C:\Users\username`. I will use __username__ as the user name for the rest of the document, so replace it with what your actual username is.
## Installation on Windows 7+
Step 1 - Download and Installation
Installation Java SE
Remember well `download` and `Installation` Java `JDK` and `JRE`
`Download:` https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Step 2 - Setup JAVA environment
You can see here: https://confluence.atlassian.com/doc/setting-the-java_home-variable-in-windows-8895.html
Setup all JDK and JRE or see here
## TEST JAVA ON CMD
If the same as the above picture was successful
Step 3 - Everything is ready
Go to `C:\` and create folder name `javalib`
## Compile the Server code `Note the path on the image`
```
#all platforms
cd simpledb
cd server
javac *.java
```
## Run the Server code `Note the path on the image`
```
cd ..
cd ..
java simpledb.server.Startup studentdb
```
## Go into the `student client` folder, compile the program files in it, and run the client code. `Note the path on the image`
```
cd studentClient
cd simpledb
javac *.java
#ignore any warnings
java CreateStudentDB
```
Once you run the CreateStudentDB, you should see transactions executed from the client succesfully being processed on the server side. You should open the `CreateStudent.java` file and understand how it connects to the server database, how it executes queries, and be able to execute your own queries.


Username or password changed! Save it? Url: Username:
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Carl Boor (Central Ohio) Ohio Chess Academy is lead by Senior Master Carl Boor (3x Ohio Champion). Since 1996 our program has offered programs in the schools, private instruction (at home or online) and summer chess camps. All coaching is done by a native Ohioan chess master with 30+ years of tournament experience. Please visit www.OhioChessAcademy.com
Mika Brattain (Central Ohio) I am a Senior Master currently rated 2500 USCF. I am very experienced with both scholastic and open competition. I know what it takes to succeed at either level, and I am looking to help motivated and active tournament players of Class C or above fulfill their goals. I am a very well-rounded player and can offer assistance in improving opening repertoire, calculation, intuitive thinking, endgame technique, and miscellaneous skills that will give you an edge during competition!
Please contact me at<EMAIL_ADDRESS>or<PHONE_NUMBER> with any inquiries!
Alan Casden NM Alan Casden – a coach in the CCL family http://cclchess.com; over 40 years of coaching experience; program director of CCL; for more information on Alan please go to http://cclchess.com/coaches/#alan; for lesson information email<EMAIL_ADDRESS>or call<PHONE_NUMBER>
Dr. William E. Davis Dr. William E. Davis USCF certified chess coach, 50+ years playing and coaching experience. Individual and group instruction—in person (Northeast Ohio) by Skype and online. Scholastic club and team development/coaching. Beginners and Novices welcome. Extensive experience teaching children. Affordable rates, negotiable and dependent upon number of students, location and frequency of meeting. Please see our website for more details about my experience, credentials, philosophy of teaching and testimonials http://www.BrightwoodChess.webs.com Phone:<PHONE_NUMBER> mornings only. Leave message if necessary.
Dr. William E. Davis Dr. William E. Davis USCF certified chess coach, 50+ years playing and coaching experience. Individual and group instruction—in person (Northeast Ohio) by Skype and online. Scholastic club and team development/coaching. Beginners and Novices welcome. Extensive experience teaching children. Affordable rates, negotiable and dependent upon number of students, location and frequency of meeting. Please see our website for more details about my experience, credentials, philosophy of teaching and testimonials http://www.BrightwoodChess.webs.com Phone:<PHONE_NUMBER> mornings only. Leave message if necessary.
David Friedman is a 10-time Dayton Chess Club champion (1997, 1999-2000, 2002, 2004, 2007, 2009, 2011-2012, 2015) who has been playing tournament chess since June 1987. He has won more than 1000 USCF rated games and he earned the USCF Candidate Master title in 1997. Friedman has taught private chess lessons to both individuals and groups since 1998. He can be reached at<EMAIL_ADDRESS>Dr. William E. Davis Dr. William E. Davis USCF certified chess coach, 50+ years playing and coaching experience. Individual and group instruction—in person (Northeast Ohio) by Skype and online. Scholastic club and team development/coaching. Beginners and Novices welcome. Extensive experience teaching children. Affordable rates, negotiable and dependent upon number of students, location and frequency of meeting. Please see our website for more details about my experience, credentials, philosophy of teaching and testimonials http://www.BrightwoodChess.webs.com Phone:<PHONE_NUMBER> mornings only. Leave message if necessary.
CALVIN BLOCKER, IM (Cleveland area)
International Master. 12 time Ohio Champion. $60 per hour plus travel expenses for private lessons. 2 hour minimum by telephone, or in person. Group lessons also available.<PHONE_NUMBER>
MICHAEL JOELSON (Cleveland area)
Member of Cleveland chess community as a player and tournament director for over 25 years, teaching over 10 years. Received the USCF Master title in 1988. Teaches in schools and after school programs and gives individual instruction. Has coached three Ohio Grade Level champions, and one US Grade Level champion. Beginners to 1900 level. Willing to travel. Phone<PHONE_NUMBER>
Dr. William E. Davis Dr. William E. Davis USCF certified chess coach, 50+ years playing and coaching experience. Individual and group instruction—in person (Northeast Ohio) by Skype and online. Scholastic club and team development/coaching. Beginners and Novices welcome. Extensive experience teaching children. Affordable rates, negotiable and dependent upon number of students, location and frequency of meeting. Please see our website for more details about my experience, credentials, philosophy of teaching and testimonials http://www.BrightwoodChess.webs.com Phone:<PHONE_NUMBER> mornings only. Leave message if necessary.
Dr. William E. Davis Dr. William E. Davis USCF certified chess coach, 50+ years playing and coaching experience. Individual and group instruction—in person (Northeast Ohio) by Skype and online. Scholastic club and team development/coaching. Beginners and Novices welcome. Extensive experience teaching children. Affordable rates, negotiable and dependent upon number of students, location and frequency of meeting. Please see our website for more details about my experience, credentials, philosophy of teaching and testimonials http://www.BrightwoodChess.webs.com Phone:<PHONE_NUMBER> mornings only. Leave message if necessary.


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Contact Information
How to contact us.
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This option enables you to reconstruct the original list of orientation data from the data points in an already existing data plot. This is useful if you want to calculate statistical parameters of an already existing diagram.
In a first step you have to produce a bitmap of the diagram for which you want to reconstruct the data (i.e. by scanning). With a plot program (i.e. Irfanview or Corel-Paint) you cut out the diagram (the cutting frame should touch the periphery of the projection). The cut out is saved on the clipboard.
After clicking on ‚Reconstruction‚ and on 'OK' the bitmap with the diagram appears in the plot area.


Rocket Elevators is the largest subsidiary of Rocket Corp. and specialises in the delivery of social and economic infrastructure projects, including high-rise developments, airport terminals, luxury villas and iconic landmarks.
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Brenda, 87, barred from charity shop for 'causing too much trouble'
A partially-sighted woman says she has been barred from her local charity shop because she ’causes too much trouble’.
Brenda Forrest, 87, said staff at the YMCA charity shop where she lives in Formby Village, Merseyside, told her she had to leave after asking customers to read aloud the prices of items to her.
Brenda told the Liverpool Echo that she went in to buy a shirt for her husband Lesley, 91, on Sunday, when she was told if she refused to leave staff would ‘phone the police’.
The pensioner, who is also deaf and recently came out of hospital, said the threat left her ‘petrified’ and added she had done nothing wrong.
She said: ‘It’s the first time I’ve been into the shop since August.
‘I walked into the shop yesterday and after I’d walked three quarters of the way around because I was looking for something for my husband – that’s all, I wasn’t being intrusive – this woman comes over all of a sudden.
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‘She said “you’re barred from here, you shouldn’t be in this shop”.
‘I said “I beg your pardon?” and she said, “you know you’re barred from this shop because you come in here and you cause trouble”.’
Brenda said the only behaviour she can think of that could be considered ‘trouble’ is that she asks other shoppers to tell her the prices of items that she is unable to see.
She added: ‘I never cause any trouble, I’m an old lady. I went back to the counter and I said “can I have a quiet word with you or someone senior?”
‘I just wanted to tell her that I can’t see the prices so I have to get people to help me read things.
‘She said “get out now or I will call the police”.
‘I was petrified. I was on my way out of the door anyway but it made me feel angry because I do not go around causing trouble at all.
‘My family were livid when I got home and told them.’
Brenda said she also got in trouble with staff at the shop earlier this year when she bought a chest of drawers and was told delivery would cost £20.
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She claimed a manager ‘confronted’ her for ‘discussing the costs of delivering furniture with other customers’.
Brenda said: ‘She said “I believe you come in here every week causing trouble and it’s offending the customers”.
‘I paid for a chest and I paid for the £20 for it to be delivered with no objection whatsoever.’
Metro.co.uk has contacted YMCA for comment.
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