Rails Steps
1. $ rails new project_name (project name cannot be the name of any of your classes, must be unique)
2. Set up Gemfile add the following gems:
(place just above the group :develompent :test do)
gem 'jquery-rails'
gem 'bootstrap-sass', '~> 3.4.1'
gem 'sassc-rails', '>= 2.1.0'
gem 'faker'
add these other gems below byebug
group :development, :test do
gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
gem 'rspec-rails'
gem 'launchy'
gem 'pry'
end
Below group :development, :test add a test group with this gem. i.e.
group :test do
gem 'shoulda-matchers'
end
NOTE: When you add bootstrap & Sass gems make sure you import them in 'app/assets/stylesheets/application.scss'
youmust change the .css to .scss in your 'app/assets/stylesheets'
"bootstrap-sprockets" must be imported before "bootstrap" and "bootstrap/variables"
@import "bootstrap-sprockets";
@import "bootstrap"
** Then, remove all the *= require_self and *= require_tree . statements from the sass file. Instead, use @import to
import Sass files. **
3. $ bundle install
4. $ bundle exec rails generate rspec:install
NOTE: This creates our familiar spec folder, a rails_helper.rb, and a spec_helper.rb.
5. $ rake db:create
NOTE: if you mess up for some reason run $ rake db:drop to drop the database
6. $ rails generate migration create_somethings
NOTE: 'something' is going to be the first table in your databse
7. Navigate to db/migrate/'migration timestamp create_somethings'
add what changes you'll be making in this migration
EXAMPLE:
def change
create_table :something do |t|
# Here we'll put code that specifies the changes we want to make to our database.
# FOR EXAMPLE:
# table column | column name | data type
t.column(:name, :string)
t.column(:year, :integer)
t.timestamps()
end
end
8. $ rake db:migrate
9. $ rake db:test:prepare
NOTE: Prepares test database environment with new migration, add migrations as needed & follow steps 6 - 9 for every migration.
migrations should always be titled lower_snake_case for rails purposes IF you mess up a migration run one of the following commands:
$ rake db:rollback --> will roll back your most recent migration
10. Create a app/models/something.rb
NOTE: always make your classes singular UpperCamelCase (no - or _ rails will not read them)
always make your models.rb file singular lower_snake_case of your class name.
Example of text inside the something.rb:
line 1) class Something < ApplicationRecord
line 2) end
Now you have all CRUD functionality for this class because it inherites from ApplicationRecord NAMING CONVENTIONS:
Active Record requires that our class names be the singular, upper-camel-case form of our table names.
The names of our models should be the lower-snake-case form of your class names.
The Album class is backed by the albums table and written in the album.rb file.
Similarly, a CuteKitten class would be backed by the cute_kittens table and be in a file called cute_kitten.rb.
SEE MORE INFO HERE: naming-conventions
11. Follow along with steps 6-10 for any additional classes, be sure to add the instances of the parent class to the child class and vice versa.
Also be sure to add a foreign key to your child class & a :something_id column in your table so that you can connect the the child class TO the parent class.
FOR EXAMPLE:
things is a CHILD of somethings $ rails g migration add_foreign_key_for_things the updated MODELs would look like so:
in your: 'app/models/thing.rb'
class Thing < ApplicationRecord
belongs_to :something
end
in your: 'app/models/something.rb'
class Something < ApplicationRecord
has_many :things, dependent: :destroy
end
12. Now you want to test your logic
open the rails console by typing: $ rails c
create some new "somethings" to be sure all of your data is correct.
something = Something.new
When testing on this data use the create! method to see what the actual error is, otherwise things may fail silently.
( check outthis link if youd like more info on testing logic in rails console.
Rails console
!!!!!!TESTING!!!!!!
13. We'll use Shoulda Matchers for our spec testing
navigate to: 'spec/rails_helper.rb' and insert the following code below the last end of the file:
Shoulda::Matchers.configure do |config|
config.integrate do |with|
with.test_framework :rspec
with.library :rails
end
end
14. Now it's time to test in your rails project!
Navigate to your 'spec' directory
create 'models' directory to hold your class specs.
Create your class spec files like so:
Example of code inside your 'something_spec.rb'
'spec/models/something_spec.rb'
require 'rails_helper'
describe Something do
# Tests will go here.
it { should have_many(:things) }
end
(check this page for more helpful tips on setting up tests. shoulda-matchers gem
Then run $ rspec in your terminal per usual to test!
You'll want to test each class so repeat this step for each class you've created!
for example :
spec/models/thing_spec.rb
require 'rails_helper'
describe Thing do
it {should belong_to(:something) }
end
!!!!!ROUTING!!!!!!
15. Update the routes.rb to include full CRUD routing for each class:
'config/routes.rb' IF you have PARENT & CHILD classes make sure you nest accordingly
don't nest more than one, that's bad practice.
Rails.application.routes.draw do root to:
'somethings#index'
resources :somethings do
resources :things
end
end
to check your routes run: $ rake routes See more info about routing in rails
here: Rails routes
16. Now we'll need to add some Controllers for our Something class:
'app/controllers/somethings_conotroller.rb'
See the full info here: Rails controllers
Basic Example: class
SomethingsController < ApplicationController
def index
# Code for listing all albums goes here.
end
def new
# Code for new album form goes here.
end
def create
# Code for creating a new album goes here.
end
def edit
# Code for edit album form goes here.
end
def show
# Code for showing a single album goes here.
end
def update
# Code for updating an album goes here.
end
def destroy
# Code for deleting an album goes here.
end
end
17. Now create your views & start your server BRAH!
app/views/things/index.html.erb|__new.html.erb|__edit.html.erb|__show.html.erb See more
documentation here: Rails Views
run command:
$ rails s in the terminal to launch you rails server.
FRIDAY PROJECT Objectives:
Does the project include thorough unit and integration test coverage?
Do routes follow properconvention, including a root route?
Does the project have the required validations Rails
validations
Does the project have required callbacks Rails callbacks
Does the project have the three scopes specified in the prompt? Are the scopes properly utilized in views?Rails scopes
Is the databaseproperly seeded with the Faker gem?Faker gem
seeding-a-database
Are success and error flash messages used correctly? ERROR MESSAGES:
FLASH MESSAGES:


Struct BitVector
A 32-bit vector with simple operations for getting and setting bits.
Implements
Inherited Members
Namespace: SudokuSpice.RuleBased
Assembly: SudokuSpice.dll
Syntax
public struct BitVector : IEquatable<BitVector>
Constructors
| Improve this Doc View SourceBitVector(UInt32)
Constructs a bit vector with the given data.
Declaration
public BitVector(uint data)
Parameters
| Type | Name | Description |
|---|---|---|
| System.UInt32 | data | The data to use for this bit vector. |
Properties
| Improve this Doc View SourceCount
Gets the count of bits that are set.
Declaration
public int Count { get; }
Property Value
| Type | Description |
|---|---|
| System.Int32 |
Remarks
This relies on the System.Runtime.Intrinsics.X86.Popcnt hardware intrinsic to be efficient. If this operation is not available on your hardware, then this function falls back to a considerably less efficient iterative count over all the bits in the vector.
Data
Gets the data stored in this bit vector as an unsigned int.
Declaration
public uint Data { get; }
Property Value
| Type | Description |
|---|---|
| System.UInt32 |
Methods
| Improve this Doc View SourceCreateWithSize(Int32)
Creates a bit vector with only the first size
bits set to true.
Declaration
public static BitVector CreateWithSize(int size)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | size | The number of bits to set. |
Returns
| Type | Description |
|---|---|
| BitVector |
Equals(BitVector)
Declaration
public bool Equals(BitVector other)
Parameters
| Type | Name | Description |
|---|---|---|
| BitVector | other |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Equals(Object)
Declaration
public override bool Equals(object obj)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | obj |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Overrides
FindIntersect(BitVector, BitVector)
Creates a bit vector that is the intersect of the given vectors.
Declaration
public static BitVector FindIntersect(BitVector a, BitVector b)
Parameters
| Type | Name | Description |
|---|---|---|
| BitVector | a | One bit vector. |
| BitVector | b | The other bit vector. |
Returns
| Type | Description |
|---|---|
| BitVector | A new |
FindUnion(BitVector, BitVector)
Creates a bit vector that is the union of the given vectors.
Declaration
public static BitVector FindUnion(BitVector a, BitVector b)
Parameters
| Type | Name | Description |
|---|---|---|
| BitVector | a | One bit vector. |
| BitVector | b | The other bit vector. |
Returns
| Type | Description |
|---|---|
| BitVector | A new |
GetHashCode()
Declaration
public override int GetHashCode()
Returns
| Type | Description |
|---|---|
| System.Int32 |
Overrides
GetSetBits()
Gets a list of the bits set in this bit vector.
Declaration
public List<int> GetSetBits()
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.List<System.Int32> | A list of the bits that are set. |
Remarks
This operation is slightly more efficient on average when System.Runtime.Intrinsics.X86.Popcnt is supported. Worst case performance is roughly the same.
IsBitSet(Int32)
Checks if the bit is true at the given index.
Declaration
public bool IsBitSet(int bit)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | bit | The zero-based index of the bit to check. |
Returns
| Type | Description |
|---|---|
| System.Boolean | True if set. |
IsEmpty()
Checks if this vector is empty (i.e. no bits are set).
Declaration
public bool IsEmpty()
Returns
| Type | Description |
|---|---|
| System.Boolean | True if empty. |
PopulateSetBits(Span<Int32>)
Populates a provided Span with the indices of set bits, and returns the number of set bits it populated.
This method will return if it reaches the end of the provided
setIndices
span, so if setIndices
has size N,
then this will only populate the indices for the first N set bits, and will return N.
If there are less setBits than N, say M, the values of setIndices
from setIndices[M] to setIndices[N-1] are left unchanged.
Declaration
public int PopulateSetBits(Span<int> setIndices)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Span<System.Int32> | setIndices | A span to fill with the indices of set bits. All values will be written to |
Returns
| Type | Description |
|---|---|
| System.Int32 | The number of set bits that have been populated into |
Remarks
This operation is slightly more efficient on average when System.Runtime.Intrinsics.X86.Popcnt is supported. Worst case performance is roughly the same.
SetBit(Int32)
Sets the given bit index in the given vector. Leaves other bits unchanged.
Declaration
public void SetBit(int bit)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | bit | The zero-based index of the bit to set. |
ToString()
Returns this bitvector as a binary-formatted string (eg. 1011).
Declaration
public override string ToString()
Returns
| Type | Description |
|---|---|
| System.String |
Overrides
UnsetBit(Int32)
Unsets the given bit index in the given vector. Leaves other bits unchanged.
Declaration
public void UnsetBit(int bit)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | bit | The zero-based index of the bit to unset. |
Operators
| Improve this Doc View SourceEquality(BitVector, BitVector)
Declaration
public static bool operator ==(BitVector a, BitVector b)
Parameters
| Type | Name | Description |
|---|---|---|
| BitVector | a | |
| BitVector | b |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Inequality(BitVector, BitVector)
Declaration
public static bool operator !=(BitVector a, BitVector b)
Parameters
| Type | Name | Description |
|---|---|---|
| BitVector | a | |
| BitVector | b |
Returns
| Type | Description |
|---|---|
| System.Boolean |


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Since 1953, the UW Cartography Lab has been a center of innovation for map design, interactive visualization, and geographic thinking. The Cart Lab is a unique “maker”-space in which researchers, professional designers, and students work together to discuss complex problems and create compelling visuals. Read more about our history...
Creative Director
Email<EMAIL_ADDRESS>Twitter: @tanmabuck
Faculty Director
Email<EMAIL_ADDRESS>Twitter: @RobertERoth
Cartographer in Residence
Email<EMAIL_ADDRESS>Twitter: @pinakographos
Portfolio
Ph.D. Student
Twitter: @meghankellymaps
Portfolio
Ph.D. Student
Portfolio
Masters Student
Portfolio
Masters Student
Twitter: @mulletmapping
Portfolio
Established in 1953 by Arthur H. Robinson, the Cartography Lab has created virtually every kind and size of map, for a wide variety of academic, commercial, and individual customers.
Robinson demonstrated an aptitude for cartography and began drawing maps for faculty textbooks while earning a master's degree in geography from the University of Wisconsin-Madison and a doctorate from Ohio State.
Recruited for the Office of Strategic Services in 1941, Robinson headed its map division throughout World War II, overseeing the drawing of about 5,000 maps for the military. At war's end, he joined the University of Wisconsin-Madison faculty, where he taught at Science Hall until his retirement in 1980.
Arthur H. Robinson is perhaps best known to the public as the creator of the Robinson Projection, a map projection that he referred to as "a portrait of the earth." In 1988 the National Geographic Society adopted that projection as its standard for producing world maps, followed by agencies of the U.S. Government and others worldwide.


FIFA Team of the Year Hangman Challenge
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Score:
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Incorrect Guesses:


This Month
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+{{this.averageComp[0]}}%
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NOT ENOUGH DATA TO DISPLAY YEAR STATS


Welcome to the Battle World
Enter your name:
Choose your class:
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Choose your ability:
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HP:
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