The ability to remove one's eye (real or false, magical or mechanical) and use it to view hard-to-see areas during certain situations after placing it somewhere. The eye is not in any way connected to the owner, yet it operates just as well as it was. Apart from the creepiness value, it can also work as a Surveillance Drone.
Compare Detachment Combat, Helping Hands, Losing Your Head.
A Sub-Trope of Faceless Eye. Can be used for Sinister Surveillance. For using eyes not one's own, see Seeing Through Another's Eyes and Animal Eye Spy.
Examples:
open/close all folders
Anime and Manga
- Gaara in Naruto can make a floating eye out of sand and connect his optic nerve to it to scout around.
- There's one Noah in D.Gray-Man who possess this ability, implanting his eye into his victim to spy on them. Thing is, he has more than two eyes...
- In Hell Girl, Ichimokuren can use his left eye to both spy on and frighten people. He can also use it to communicate. Or he can just appear as the eye.
Comic Books
- The Emerald Empress, enemy of the Legion of Super-Heroes has a big giant eyeball that floats around and does her bidding. She can see what it sees.
Films — Animation
- In the Toy Story series, the Potato Heads are often seen holding their eyes above their heads to see, etc., as a gag.
- Toy Story: Mr. Potato Head takes out his eyes and uses them to see over the other toys at the windowsill when they're watching Sid destroy his Combat Carl action figure.
- He does it again in Toy Story 2 to see inside the room where Woody was being held.
- It becomes a plot point in Toy Story 3, when Mrs. Potato Head loses an eye before leaving Andy's room, and later finds that she can still use it to see Andy's room from under the dresser where she left it.
- B.O.B. from Monsters vs. Aliens is able to hold his eyeball in his hand. He uses this to look around a corner when the monsters infiltrate Gallaxhar's ship.
Films — Live-Action
- That Beholder-like eyeball creature the heroes encounter in Big Trouble in Little China. "What it sees, Lo Pan knows!"
- Aughra from The Dark Crystal has only one eye, but she can remove it from her head and hold it up to get a better look at things.
- The Black Queen uses these in MirrorMask. For added creepiness, they have spider legs.
- Beyond Re-Animator has this happen to one of the prison junkies who unknowingly injected himself with multiple revival serums belonging to the Mad Doctor Herbert West until he exploded (he reanimated himself) causing one of his eyeballs to pop out of his head. For reasons the movie doesn't explain, the doctor takes the eyeball and keeps it around until at the end of the movie when he discard the eyeball outside the front lawn of the chaos-infested prison, while it struggles to move.
- Eden makes effective use of one of these several times in Doomsday.
- In both Clash of the Titans and the 2010 remake, the trio of hags who advise Perseus share a single disembodied eye that they pass back and forth.
- In The Beastmaster, one of the Big Bad's witches implants her eye in a piece of jewelry, then allows the heroes to acquire it so she can spy on them. When a hero spots it "opening", he jams a burning stick into it; miles away the witch clutches her face and screams, indicating it didn't just convey messages of vision to her, but pain as well.
Literature
- Blind Io from Discworld has dozens of remote eyes.
- In the Harry Potter series, Mad-Eye Moody's magical eye. Also, it's used by Dolores Umbridge as a spycam.
- Randall Flagg in The Stand sends his eye to spy on the good guys in one scene.
- In a WW2 novel set in Italian-occupied East Africa, a British soldier takes out his Glass Eye and tells the natives he'll leave his eye behind to make sure they don't get up to mischief. It doesn't work because one of them is a former sailor and knows about glass eyes.
- Displacers in The Beyonders can detach any part of the body and it remains connected crossdimensionally. Maldor is particularly fond of having his Displacer spies graft their eyes or ears onto released prisoners or mistrusted vassals.
Live-Action TV
- A Monster of the Week on The X-Files was able to order his body parts about to act independently, including his eyes.
- G'Kar picks up this ability on Babylon 5: after the deranged Centauri emperor gouges his eye out, it is later replaced with an artificial eye that can function even when removed from his eye socket. Being G'Kar, he exploits the Power Perversion Potential for all it's worth.
- A first season episode of Angel featured a creepy Doctor who could do detach and levitate his eyes, his hands, etc (pretty much take himself apart and put himself back together again at will).
- During the Wizards challenge from season 6 of Face/Off, one contestant chose a wand with an eye mounted at its tip, so crafted a blind witch who used her wand to see.
- In one episode of Farscape an alien has a few detached eyes scattered over the city and can show others what he's seen with those eyes by attaching a tentacle to their eye sockets, for a price. Which helps Crichton and D'Argo figure out What Did I Do Last Night??
- Doctor Who: In "The Girl in the Fireplace," one of the Clockwork Robots aboard the S.S. Madame de Pompadour used an unfortunate crewman's eye to fix a camera that had broken down.
Tabletop Games
- In Vampire: The Requiem, Belial's Brood has an investment called Flesh Spider that lets the detach body parts but still use them. This includes their eyes.
- In Shadowrun you have the option to replace one (or both) of your eyes with a Lone Star iBall. They are like normal cybereyes, until you take it out. Then they act as recon drones, which can roll around on the floor.
- In Hc Svnt Dracones the Utilit-i ocular implant is primarily used for Augmented Reality but its connection to the owner has a wireless range of 9 feet, and it can be connected to a network so someone can pop their eye out and leave it somewhere that has a public network and still see through it.
- In Dungeons & Dragons, Hags can create "Hag Eyes", which are enchanted eyeballs that serve as scrying tools and which are cloaked with an illusion of being semi-precious gemstones. In at least some editions of the game, destroying a Hag Eye leads to painful backlash (damage and/or blindness) for its creator.
- In Pathfinder, hags can also use Hag Eyes to create a unique slime called the Hag Eye Ooze; a Blob Monster with a giant disembodied eyeball floating inside of it that its hag creator can see and channel spells through. They are considered more useful and reliable than just handing out Hag Eyes to humanoid minions. There's also a larger, nastier, multi-eyed version called the Coven Ooze, which is what happens when a Hag Eye Ooze survives the destruction of its creator and feeds on her coven's flesh, absorbing some measure of their intelligence in the process.
Video Games
- EverQuest has the ability with some spells, an item, and a monk disciple to send out an eye to investigate for you.
- The Eye of Kilrogg spell in Warcraft 2 summons a floating eye that works like this.
- In Blood II, when Caleb picks up an eye, he can use this way.
- In Borderlands 2, a Bullymong steals Claptrap's eye from its socket. The following quest has the player and Claptrap finding said Bullymong, during which the blind Claptrap mentions he can see what his eye is seeing when he's within range.
- A cutscene in Dungeon Keeper 2 has a skeleton pop its improbably pristine eye out and hold it to peep around a corner. Skeletons can't do this in-game, mind you.
Web Animation
- In No Evil Huey (Huehuecoyotl) is known to juggle his eyes when bored. In one episode he tosses one over a roof to check if the coast is clear.
Web Comics
- Schlock from Schlock Mercenary can move his eyes to any point of his amorphous body and has used this to spy around corners and in other tactical situations. Or to get a good stereo base.
- Golgo (a.k.a. Angel Eye) from Rice Boy has a mechanical eye that's capable of functioning autonomously, acting as a flying video camera. He prefers it over his biological eye, referring to the mechanical one as "my good eye" at one point.
- Pages of the all-seeing lexicon in Bibliography.
- One character in Kaspall has a prosthetic eye that he once used to see around a corner.
- Dabbler of Grrl Power has a cybernetic eye that she can pop out, she's not allowed to at the dinner table anymore]].
Western Animation
- The whole point of Krumm's character design from Aaahh!!! Real Monsters. He doesn't even have eye sockets — he carries his eyeballs around in his hands. They get thrown around or rolled into places where he wants to see quite a bit. Krumm's father looks almost identical, except that he's lost one of his eyes and wears a black glove on that hand to give the appearance of an Eyepatch of Power.
- Bender from Futurama. Although how his eyes function varies based on the Rule of Funny.
- In Godzilla: The Series, one of the N.I.G.E.L. robot's eyes is a mobile microcamera.
- One of Gumball and Darwins' classmates in The Amazing World of Gumball is a flying eyeball who acts as the Sadist Teacher's personal snitch.
- In The Trap Door, Berk manages to lose one of the Bad-Tempered Thing's (detachable) eyeballs. After he's spent most of the episode recovering it:
Berk: Oh yes, I found it. But it's a good job Him Upstairs didn't see what happened to it.
Thing: But I did see, Berk. [the eyeball rotates.] I saw everything!
Berk: Oh, globbits. I hates eyeballs.


Globe Site Survey
This section is optional, but provides valuable information about your site if completed.
Skip and Save
1. Natural or Urban Context? (check one).
2. If urban, what is the primary purpose of this site? (check all that apply).
3. What is the height of the sensor above the ground surface in meters (NOT the floor)?
meters
4. If the sensor is on a porch or in a building what is the height of the sensor above the floor surface in meters?
meters
5. What percent of the site is enclosed?
%
6. If the sensor is outdoors, how far is the sensor from the nearest airflow obstacle (for example a wall, hedgerow,or building that is taller than the sensor's height)?
meters
7. In what direction is the nearest obstacle located from the sensor (degrees east of north, 0 = north, 90 = east, 180 = south, 270 = west)?
meters
8. What is the obstacle?
9. Roughly how large/wide is the area (in meters) in which the sensor is located, before walls or obstacles are encountered?
meters
10. Is the sensor located in a depression or riparian area where water can collect?
Yes
No
11. On the longest day of the year (late June in N. Hemisphere), during what hours is the sensor unshaded and exposed to the sun?
From:
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To:
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12. On the shortest day of the year (late December in N. Hemisphere), during what hours is the sensor unshaded and exposed to the sun?
From:
00:00
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02:00
03:00
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To:
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13. Canopy type above the sensor (near enough to be captured in an upward photo)
14. If you stand in the location of the sensor and look straight up, roughly what percentage of the sky is visible (i.e. the Sky View Factor, for example 75%):
%
15. What is the slope on this site, measured as the ratio of rise over run (for example one meter of rise in fifteen meters of run is 1/15 or 6.7%.
%
16. What is the compass direction of the slope, uphill? (degrees east of north, 0 = north, 90 = east, 180 = south, 270 = west)
Degrees
17. What is the nearest body of open water?
18. How far away is this water from the sensor? (meters)
meters
19. What is the compass direction of the water from this sensor? (degrees east of north, 0 = north, 90 = east, 180 = south, 270 = west)
Degrees
Save


import {DragDropModule} from '@angular/cdk/drag-drop';
DragDrop
Service that allows for drag-and-drop functionality to be attached to DOM elements.
| createDrag | |
|---|---|
|
Turns an element into a draggable item. |
|
| Parameters | |
|
element HTMLElement | ElementRef<HTMLElement>
|
Element to which to attach the dragging functionality. |
|
config DragRefConfig = DEFAULT_CONFIG
|
Object used to configure the dragging behavior. |
| Returns | |
DragRef<T>
|
|
| createDropList | |
|---|---|
|
Turns an element into a drop list. |
|
| Parameters | |
|
element HTMLElement | ElementRef<HTMLElement>
|
Element to which to attach the drop list functionality. |
| Returns | |
DropListRef<T>
|
|
CdkDropList
Container that wraps a set of draggable items.
Selector: [cdkDropList] cdk-drop-list
Exported as: cdkDropList| Name | Description |
|---|---|
@Input('cdkDropListAutoScrollDisabled')
|
Whether to auto-scroll the view when the user moves their pointer close to the edges. |
@Input('cdkDropListAutoScrollStep')
|
Number of pixels to scroll for each frame when auto-scrolling an element. |
@Input('cdkDropListConnectedTo')
|
Other draggable containers that this container is connected to and into which the container's items can be transferred. Can either be references to other drop containers, or their unique IDs. |
@Input('cdkDropListData')
|
Arbitrary data to attach to this container. |
@Input('cdkDropListDisabled')
|
Whether starting a dragging sequence from this container is disabled. |
@Input('cdkDropListEnterPredicate')
|
Function that is used to determine whether an item is allowed to be moved into a drop container. |
@Input()
|
Unique ID for the drop zone. Can be used as a reference
in the |
@Input('cdkDropListLockAxis')
|
Locks the position of the draggable elements inside the container along the specified axis. |
@Input('cdkDropListOrientation')
|
Direction in which the list is oriented. |
@Input('cdkDropListSortPredicate')
|
Functions that is used to determine whether an item can be sorted into a particular index. |
@Input('cdkDropListSortingDisabled')
|
Whether sorting within this drop list is disabled. |
@Output('cdkDropListDropped')
|
Emits when the user drops an item inside the container. |
@Output('cdkDropListEntered')
|
Emits when the user has moved a new drag item into this container. |
@Output('cdkDropListExited')
|
Emits when the user removes an item from the container by dragging it into another container. |
@Output('cdkDropListSorted')
|
Emits as the user is swapping items while actively dragging. |
|
Element that the drop list is attached to. |
| addItem | |
|---|---|
|
Registers an items with the drop list. |
|
| Parameters | |
|
item CdkDrag<any>
|
|
| getSortedItems | |
|---|---|
|
Gets the registered items in the list, sorted by their position in the DOM. |
|
| Returns | |
CdkDrag[]
|
|
| removeItem | |
|---|---|
|
Removes an item from the drop list. |
|
| Parameters | |
|
item CdkDrag<any>
|
|
CdkDropListGroup
Declaratively connects sibling cdkDropList
instances together. All of the cdkDropList
elements that are placed inside a cdkDropListGroup
will be connected to each other
automatically. Can be used as an alternative to the cdkDropListConnectedTo
input
from cdkDropList
.
Selector: [cdkDropListGroup]
Exported as: cdkDropListGroup| Name | Description |
|---|---|
@Input('cdkDropListGroupDisabled')
|
Whether starting a dragging sequence from inside this group is disabled. |
CdkDrag
Element that can be moved inside a CdkDropList container.
Selector: [cdkDrag]
Exported as: cdkDrag| Name | Description |
|---|---|
@Input('cdkDragBoundary')
|
Node or selector that will be used to determine the element to which the draggable's position will be constrained. If a string is passed in, it'll be used as a selector that will be matched starting from the element's parent and going up the DOM until a match has been found. |
@Input('cdkDragConstrainPosition')
|
Function that can be used to customize the logic of how the position of the drag item is limited while it's being dragged. Gets called with a point containing the current position of the user's pointer on the page, a reference to the item being dragged and its dimensions. Should return a point describing where the item should be rendered. |
@Input('cdkDragData')
|
Arbitrary data to attach to this drag instance. |
@Input('cdkDragDisabled')
|
Whether starting to drag this element is disabled. |
@Input('cdkDragStartDelay')
|
Amount of milliseconds to wait after the user has put their pointer down before starting to drag the element. |
@Input('cdkDragFreeDragPosition')
|
Sets the position of a |
@Input('cdkDragLockAxis')
|
Locks the position of the dragged element along the specified axis. |
@Input('cdkDragPreviewClass')
|
Class to be added to the preview element. |
@Input('cdkDragPreviewContainer')
|
Configures the place into which the preview of the item will be inserted. Can be configured
globally through
|
@Input('cdkDragRootElement')
|
Selector that will be used to determine the root draggable element, starting from
the |
@Output('cdkDragDropped')
|
Emits when the user drops the item inside a container. |
@Output('cdkDragEnded')
|
Emits when the user stops dragging an item in the container. |
@Output('cdkDragEntered')
|
Emits when the user has moved the item into a new container. |
@Output('cdkDragExited')
|
Emits when the user removes the item its container by dragging it into another container. |
@Output('cdkDragMoved')
|
Emits as the user is dragging the item. Use with caution, because this event will fire for every pixel that the user has dragged. |
@Output('cdkDragReleased')
|
Emits when the user has released a drag item, before any animations have started. |
@Output('cdkDragStarted')
|
Emits when the user starts dragging the item. |
|
Droppable container that the draggable is a part of. |
|
Element that the draggable is attached to. |
| getFreeDragPosition | |
|---|---|
|
Gets the pixel coordinates of the draggable outside of a drop container. |
|
| Returns | |
Readonly<Point>
|
|
| getPlaceholderElement | |
|---|---|
|
Returns the element that is being used as a placeholder while the current element is being dragged. |
|
| Returns | |
HTMLElement
|
|
| getRootElement | |
|---|---|
|
Returns the root draggable element. |
|
| Returns | |
HTMLElement
|
|
| reset | |
|---|---|
|
Resets a standalone drag item to its initial position. |
| setFreeDragPosition | |
|---|---|
|
Sets the current position in pixels the draggable outside of a drop container. |
|
| Parameters | |
|
value Point
|
New position to be set. |
CdkDragHandle
Handle that can be used to drag a CdkDrag instance.
Selector: [cdkDragHandle]
| Name | Description |
|---|---|
@Input('cdkDragHandleDisabled')
|
Whether starting to drag through this handle is disabled. |
|
CdkDragPreview
Element that will be used as a template for the preview of a CdkDrag when it is being dragged.
Selector: ng-template[cdkDragPreview]
| Name | Description |
|---|---|
@Input()
|
Context data to be added to the preview template instance. |
@Input()
|
Whether the preview should preserve the same size as the item that is being dragged. |
|
CdkDragPlaceholder
Element that will be used as a template for the placeholder of a CdkDrag when it is being dragged. The placeholder is displayed in place of the element being dragged.
Selector: ng-template[cdkDragPlaceholder]
| Name | Description |
|---|---|
@Input()
|
Context data to be added to the placeholder template instance. |
|
DragRef
Reference to a draggable item. Used to manipulate or dispose of the item.
| Name | Description |
|---|---|
|
Emits as the drag sequence is being prepared. |
|
Function that can be used to customize the logic of how the position of the drag item is limited while it's being dragged. Gets called with a point containing the current position of the user's pointer on the page, a reference to the item being dragged and its dimensions. Should return a point describing where the item should be rendered. |
|
Arbitrary data that can be attached to the drag item. |
|
Whether starting to drag this element is disabled. |
|
Amount of milliseconds to wait after the user has put their pointer down before starting to drag the element. |
|
Emits when the user drops the item inside a container. |
|
Emits when the user stops dragging an item in the container. |
|
Emits when the user has moved the item into a new container. |
|
Emits when the user removes the item its container by dragging it into another container. |
|
Axis along which dragging is locked. |
|
Emits as the user is dragging the item. Use with caution, because this event will fire for every pixel that the user has dragged. |
|
Class to be added to the preview element. |
|
Emits when the user has released a drag item, before any animations have started. |
|
Emits when the user starts dragging the item. |
| disableHandle | |
|---|---|
|
Sets a handle as disabled. While a handle is disabled, it'll capture and interrupt dragging. |
|
| Parameters | |
|
handle HTMLElement
|
Handle element that should be disabled. |
| dispose | |
|---|---|
|
Removes the dragging functionality from the DOM element. |
| enableHandle | |
|---|---|
|
Enables a handle, if it has been disabled. |
|
| Parameters | |
|
handle HTMLElement
|
Handle element to be enabled. |
| getFreeDragPosition | |
|---|---|
|
Gets the current position in pixels the draggable outside of a drop container. |
|
| Returns | |
Readonly<Point>
|
|
| getPlaceholderElement | |
|---|---|
|
Returns the element that is being used as a placeholder while the current element is being dragged. |
|
| Returns | |
HTMLElement
|
|
| getRootElement | |
|---|---|
|
Returns the root draggable element. |
|
| Returns | |
HTMLElement
|
|
| getVisibleElement | |
|---|---|
|
Gets the currently-visible element that represents the drag item. While dragging this is the placeholder, otherwise it's the root element. |
|
| Returns | |
HTMLElement
|
|
| isDragging | |
|---|---|
|
Checks whether the element is currently being dragged. |
|
| Returns | |
boolean
|
|
| reset | |
|---|---|
|
Resets a standalone drag item to its initial position. |
| setFreeDragPosition | |
|---|---|
|
Sets the current position in pixels the draggable outside of a drop container. |
|
| Parameters | |
|
value Point
|
New position to be set. |
| Returns | |
this
|
|
| withBoundaryElement | |
|---|---|
|
Element to which the draggable's position will be constrained. |
|
| Parameters | |
|
boundaryElement HTMLElement | ElementRef<HTMLElement>
|
|
| Returns | |
this
|
|
| withDirection | |
|---|---|
|
Sets the layout direction of the draggable item. |
|
| Parameters | |
|
direction Direction
|
|
| Returns | |
this
|
|
| withHandles | |
|---|---|
|
Registers the handles that can be used to drag the element. |
|
| Parameters | |
|
handles (HTMLElement | ElementRef<HTMLElement>)[]
|
|
| Returns | |
this
|
|
| withParent | |
|---|---|
|
Sets the parent ref that the ref is nested in. |
|
| Parameters | |
|
parent DragRef<unknown>
|
|
| Returns | |
this
|
|
| withPlaceholderTemplate | |
|---|---|
|
Registers the template that should be used for the drag placeholder. |
|
| Parameters | |
|
template DragHelperTemplate<any>
|
Template that from which to stamp out the placeholder. |
| Returns | |
this
|
|
| withPreviewContainer | |
|---|---|
|
Sets the container into which to insert the preview element. |
|
| Parameters | |
|
value PreviewContainer
|
Container into which to insert the preview. |
| Returns | |
this
|
|
| withPreviewTemplate | |
|---|---|
|
Registers the template that should be used for the drag preview. |
|
| Parameters | |
|
template DragPreviewTemplate<any>
|
Template that from which to stamp out the preview. |
| Returns | |
this
|
|
| withRootElement | |
|---|---|
|
Sets an alternate drag root element. The root element is the element that will be moved as the user is dragging. Passing an alternate root element is useful when trying to enable dragging on an element that you might not have access to. |
|
| Parameters | |
|
rootElement HTMLElement | ElementRef<HTMLElement>
|
|
| Returns | |
this
|
|
DropListRef
Reference to a drop list. Used to manipulate or dispose of the container.
| Name | Description |
|---|---|
|
Whether auto-scrolling the view when the user moves their pointer close to the edges is disabled. |
|
Number of pixels to scroll for each frame when auto-scrolling an element. |
|
Emits right before dragging has started. |
|
Arbitrary data that can be attached to the drop list. |
|
Whether starting a dragging sequence from this container is disabled. |
|
Emits when the user drops an item inside the container. |
|
Element that the drop list is attached to. |
|
Function that is used to determine whether an item is allowed to be moved into a drop container. |
|
Emits when the user has moved a new drag item into this container. |
|
Emits when the user removes an item from the container by dragging it into another container. |
|
Locks the position of the draggable elements inside the container along the specified axis. |
|
Emits when a dragging sequence is started in a list connected to the current one. |
|
Emits when a dragging sequence is stopped from a list connected to the current one. |
|
Function that is used to determine whether an item can be sorted into a particular index. |
|
Emits as the user is swapping items while actively dragging. |
|
Whether sorting items within the list is disabled. |
| connectedTo | |
|---|---|
|
Sets the containers that are connected to this one. When two or more containers are connected, the user will be allowed to transfer items between them. |
|
| Parameters | |
|
connectedTo DropListRef<any>[]
|
Other containers that the current containers should be connected to. |
| Returns | |
this
|
|
| dispose | |
|---|---|
|
Removes the drop list functionality from the DOM element. |
| drop | |
|---|---|
|
Drops an item into this container. |
|
| Parameters | |
|
item DragRef<any>
|
Item being dropped into the container. |
|
currentIndex number
|
Index at which the item should be inserted. |
|
previousIndex number
|
Index of the item when dragging started. |
|
previousContainer DropListRef<any>
|
Container from which the item got dragged in. |
|
isPointerOverContainer boolean
|
Whether the user's pointer was over the container when the item was dropped. |
|
distance Point
|
Distance the user has dragged since the start of the dragging sequence. |
|
event MouseEvent | TouchEvent = {} as any
|
Event that triggered the dropping sequence. |
|
dropPoint Point
|
|
| enter | |
|---|---|
|
Attempts to move an item into the container. |
|
| Parameters | |
|
item DragRef<any>
|
Item that was moved into the container. |
|
pointerX number
|
Position of the item along the X axis. |
|
pointerY number
|
Position of the item along the Y axis. |
|
index? number
|
Index at which the item entered. If omitted, the container will try to figure it out automatically. |
| exit | |
|---|---|
|
Removes an item from the container after it was dragged into another container by the user. |
|
| Parameters | |
|
item DragRef<any>
|
Item that was dragged out. |
| getItemIndex | |
|---|---|
|
Figures out the index of an item in the container. |
|
| Parameters | |
|
item DragRef<any>
|
Item whose index should be determined. |
| Returns | |
number
|
|
| getScrollableParents | |
|---|---|
|
Gets the scrollable parents that are registered with this drop container. |
|
| Returns | |
readonly HTMLElement[]
|
|
| isDragging | |
|---|---|
|
Whether an item from this list is currently being dragged. |
| isReceiving | |
|---|---|
|
Whether the list is able to receive the item that is currently being dragged inside a connected drop list. |
|
| Returns | |
boolean
|
|
| start | |
|---|---|
|
Starts dragging an item. |
| withDirection | |
|---|---|
|
Sets the layout direction of the drop list. |
|
| Parameters | |
|
direction Direction
|
|
| Returns | |
this
|
|
| withItems | |
|---|---|
|
Sets the draggable items that are a part of this list. |
|
| Parameters | |
|
items DragRef<any>[]
|
Items that are a part of this list. |
| Returns | |
this
|
|
| withOrientation | |
|---|---|
|
Sets the orientation of the container. |
|
| Parameters | |
|
orientation "vertical" | "horizontal"
|
New orientation for the container. |
| Returns | |
this
|
|
| withScrollableParents | |
|---|---|
|
Sets which parent elements are can be scrolled while the user is dragging. |
|
| Parameters | |
|
elements HTMLElement[]
|
Elements that can be scrolled. |
| Returns | |
this
|
|
DragRefConfig
Object that can be used to configure the behavior of DragRef.
| Name | Description |
|---|---|
|
Minimum amount of pixels that the user should drag, before the CDK initiates a drag sequence. |
|
Ref that the current drag item is nested in. |
|
Amount the pixels the user should drag before the CDK considers them to have changed the drag direction. |
|
|
Point
Point on the page or within an element.
| Name | Description |
|---|---|
|
|
|
CdkDragStart
Event emitted when the user starts dragging a draggable.
| Name | Description |
|---|---|
|
Native event that started the drag sequence. |
|
Draggable that emitted the event. |
CdkDragRelease
Event emitted when the user releases an item, before any animations have started.
| Name | Description |
|---|---|
|
Native event that caused the release event. |
|
Draggable that emitted the event. |
CdkDragEnd
Event emitted when the user stops dragging a draggable.
| Name | Description |
|---|---|
|
Distance in pixels that the user has dragged since the drag sequence started. |
|
Position where the pointer was when the item was dropped |
|
Native event that caused the dragging to stop. |
|
Draggable that emitted the event. |
CdkDragEnter
Event emitted when the user moves an item into a new drop container.
| Name | Description |
|---|---|
|
Container into which the user has moved the item. |
|
Index at which the item has entered the container. |
|
Item that was moved into the container. |
CdkDragExit
Event emitted when the user removes an item from a drop container by moving it into another one.
| Name | Description |
|---|---|
|
Container from which the user has a removed an item. |
|
Item that was removed from the container. |
CdkDragDrop
Event emitted when the user drops a draggable item inside a drop container.
| Name | Description |
|---|---|
|
Container in which the item was dropped. |
|
Current index of the item. |
|
Distance in pixels that the user has dragged since the drag sequence started. |
|
Position where the pointer was when the item was dropped |
|
Native event that caused the drop event. |
|
Whether the user's pointer was over the container when the item was dropped. |
|
Item that is being dropped. |
|
Container from which the item was picked up. Can be the same as the |
|
Index of the item when it was picked up. |
CdkDragMove
Event emitted as the user is dragging a draggable item.
| Name | Description |
|---|---|
|
Indicates the direction in which the user is dragging the element along each axis.
|
|
Distance in pixels that the user has dragged since the drag sequence started. |
|
Native event that is causing the dragging. |
|
Position of the user's pointer on the page. |
|
Item that is being dragged. |
CdkDragSortEvent
Event emitted when the user swaps the position of two drag items.
| Name | Description |
|---|---|
|
Container that the item belongs to. |
|
Index that the item is currently in. |
|
Item that is being sorted. |
|
Index from which the item was sorted previously. |
DragDropConfig
Object that can be used to configure the drag items and drop lists within a module or a component.
| Name | Description |
|---|---|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| moveItemInArray | |
|---|---|
|
Moves an item one index in an array to another. |
|
| Parameters | |
|
array T[]
|
Array in which to move the item. |
|
fromIndex number
|
Starting index of the item. |
|
toIndex number
|
Index to which the item should be moved. |
| transferArrayItem | |
|---|---|
|
Moves an item from one array to another. |
|
| Parameters | |
|
currentArray T[]
|
Array from which to transfer the item. |
|
targetArray T[]
|
Array into which to put the item. |
|
currentIndex number
|
Index of the item in its current array. |
|
targetIndex number
|
Index at which to insert the item. |
| copyArrayItem | |
|---|---|
|
Copies an item from one array to another, leaving it in its original position in current array. |
|
| Parameters | |
|
currentArray T[]
|
Array from which to copy the item. |
|
targetArray T[]
|
Array into which is copy the item. |
|
currentIndex number
|
Index of the item in its current array. |
|
targetIndex number
|
Index at which to insert the item. |
PreviewContainer
Possible places into which the preview of a drag item can be inserted.
global
- Preview will be inserted at the bottom of the <body>
. The advantage is that
you don't have to worry about overflow: hidden
or z-index
, but the item won't retain
its inherited styles.parent
- Preview will be inserted into the parent of the drag item. The advantage is that
inherited styles will be preserved, but it may be clipped by overflow: hidden
or not be
visible due to z-index
. Furthermore, the preview is going to have an effect over selectors
like :nth-child
and some flexbox configurations.ElementRef<HTMLElement> | HTMLElement
- Preview will be inserted into a specific element.
Same advantages and disadvantages as parent
.
type PreviewContainer = 'global' | 'parent' | ElementRef<HTMLElement> | HTMLElement;
DragStartDelay
Possible values that can be used to configure the drag start delay.
type DragStartDelay = number | {
touch: number;
mouse: number;
};
DragAxis
Possible axis along which dragging can be locked.
type DragAxis = 'x' | 'y';
DragConstrainPosition
Function that can be used to constrain the position of a dragged element.
type DragConstrainPosition = (point: Point, dragRef: DragRef) => Point;
DropListOrientation
Possible orientations for a drop list.
type DropListOrientation = 'horizontal' | 'vertical';
CDK_DRAG_CONFIG
Injection token that can be used to configure the behavior of the drag&drop-related components.
const CDK_DRAG_CONFIG: InjectionToken<DragDropConfig>;
CDK_DROP_LIST_GROUP
Injection token that can be used to reference instances of CdkDropListGroup
. It serves as
alternative token to the actual CdkDropListGroup
class which could cause unnecessary
retention of the class and its directive metadata.
const CDK_DROP_LIST_GROUP: InjectionToken<CdkDropListGroup<unknown>>;
CDK_DROP_LIST
Injection token that can be used to reference instances of CdkDropList
. It serves as
alternative token to the actual CdkDropList
class which could cause unnecessary
retention of the class and its directive metadata.
const CDK_DROP_LIST: InjectionToken<CdkDropList<any>>;
CDK_DRAG_HANDLE
Injection token that can be used to reference instances of CdkDragHandle
. It serves as
alternative token to the actual CdkDragHandle
class which could cause unnecessary
retention of the class and its directive metadata.
const CDK_DRAG_HANDLE: InjectionToken<CdkDragHandle>;
CDK_DRAG_PREVIEW
Injection token that can be used to reference instances of CdkDragPreview
. It serves as
alternative token to the actual CdkDragPreview
class which could cause unnecessary
retention of the class and its directive metadata.
const CDK_DRAG_PREVIEW: InjectionToken<CdkDragPreview<any>>;
CDK_DRAG_PLACEHOLDER
Injection token that can be used to reference instances of CdkDragPlaceholder
. It serves as
alternative token to the actual CdkDragPlaceholder
class which could cause unnecessary
retention of the class and its directive metadata.
const CDK_DRAG_PLACEHOLDER: InjectionToken<CdkDragPlaceholder<any>>;


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API Reference¶
watchdog.events¶
| module: | watchdog.events |
|---|---|
| synopsis: | File system events and event handlers. |
| author: |<EMAIL_ADDRESS>(Yesudeep Mangalapilly) |
Event Classes¶
-
class
watchdog.events.
FileSystemEvent
(src_path)[source]¶ Bases:
object
Immutable type that represents a file system event that is triggered when a change occurs on the monitored file system.
All FileSystemEvent objects are required to be immutable and hence can be used as keys in dictionaries or be added to sets.
-
event_type
= None¶ The type of the event as a string.
-
is_directory
= False¶ True if event was emitted for a directory; False otherwise.
-
src_path
¶ Source path of the file system object that triggered this event.
-
-
class
watchdog.events.
FileSystemMovedEvent
(src_path, dest_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing any kind of file system movement.
-
dest_path
¶ The destination path of the move event.
-
-
class
watchdog.events.
FileMovedEvent
(src_path, dest_path)[source]¶ Bases:
watchdog.events.FileSystemMovedEvent
File system event representing file movement on the file system.
-
class
watchdog.events.
DirMovedEvent
(src_path, dest_path)[source]¶ Bases:
watchdog.events.FileSystemMovedEvent
File system event representing directory movement on the file system.
-
class
watchdog.events.
FileModifiedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing file modification on the file system.
-
class
watchdog.events.
DirModifiedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing directory modification on the file system.
-
class
watchdog.events.
FileCreatedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing file creation on the file system.
-
class
watchdog.events.
DirCreatedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing directory creation on the file system.
-
class
watchdog.events.
FileDeletedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing file deletion on the file system.
-
class
watchdog.events.
DirDeletedEvent
(src_path)[source]¶ Bases:
watchdog.events.FileSystemEvent
File system event representing directory deletion on the file system.
Event Handler Classes¶
-
class
watchdog.events.
FileSystemEventHandler
[source]¶ Bases:
object
Base file system event handler that you can override methods from.
-
dispatch
(event)[source]¶ Dispatches events to the appropriate methods.
Parameters: event ( FileSystemEvent
) – The event object representing the file system event.
-
on_any_event
(event)[source]¶ Catch-all event handler.
Parameters: event ( FileSystemEvent
) – The event object representing the file system event.
-
on_created
(event)[source]¶ Called when a file or directory is created.
Parameters: event ( DirCreatedEvent
orFileCreatedEvent
) – Event representing file/directory creation.
-
on_deleted
(event)[source]¶ Called when a file or directory is deleted.
Parameters: event ( DirDeletedEvent
orFileDeletedEvent
) – Event representing file/directory deletion.
-
on_modified
(event)[source]¶ Called when a file or directory is modified.
Parameters: event ( DirModifiedEvent
orFileModifiedEvent
) – Event representing file/directory modification.
-
on_moved
(event)[source]¶ Called when a file or a directory is moved or renamed.
Parameters: event ( DirMovedEvent
orFileMovedEvent
) – Event representing file/directory movement.
-
-
class
watchdog.events.
PatternMatchingEventHandler
(patterns=None, ignore_patterns=None, ignore_directories=False, case_sensitive=False)[source]¶ Bases:
watchdog.events.FileSystemEventHandler
Matches given patterns with file paths associated with occurring events.
-
case_sensitive
¶ (Read-only)
True
if path names should be matched sensitive to case;False
otherwise.
-
dispatch
(event)[source]¶ Dispatches events to the appropriate methods.
Parameters: event ( FileSystemEvent
) – The event object representing the file system event.
-
ignore_directories
¶ (Read-only)
True
if directories should be ignored;False
otherwise.
-
ignore_patterns
¶ (Read-only) Patterns to ignore matching event paths.
-
patterns
¶ (Read-only) Patterns to allow matching event paths.
-
-
class
watchdog.events.
RegexMatchingEventHandler
(regexes=['.*'], ignore_regexes=[], ignore_directories=False, case_sensitive=False)[source]¶ Bases:
watchdog.events.FileSystemEventHandler
Matches given regexes with file paths associated with occurring events.
-
case_sensitive
¶ (Read-only)
True
if path names should be matched sensitive to case;False
otherwise.
-
dispatch
(event)[source]¶ Dispatches events to the appropriate methods.
Parameters: event ( FileSystemEvent
) – The event object representing the file system event.
-
ignore_directories
¶ (Read-only)
True
if directories should be ignored;False
otherwise.
-
ignore_regexes
¶ (Read-only) Regexes to ignore matching event paths.
-
regexes
¶ (Read-only) Regexes to allow matching event paths.
-
-
class
watchdog.events.
LoggingEventHandler
[source]¶ Bases:
watchdog.events.FileSystemEventHandler
Logs all the events captured.
watchdog.observers.api¶
Immutables¶
-
class
watchdog.observers.api.
ObservedWatch
(path, recursive)[source]¶ Bases:
object
An scheduled watch.
Parameters: - path – Path string.
- recursive –
True
if watch is recursive;False
otherwise.
-
is_recursive
¶ Determines whether subdirectories are watched for the path.
-
path
¶ The path that this watch monitors.
Collections¶
-
class
watchdog.observers.api.
EventQueue
(maxsize=0)[source]¶ Bases:
watchdog.utils.bricks.SkipRepeatsQueue
Thread-safe event queue based on a special queue that skips adding the same event (
FileSystemEvent
) multiple times consecutively. Thus avoiding dispatching multiple event handling calls when multiple identical events are produced quicker than an observer can consume them.
Classes¶
-
class
watchdog.observers.api.
EventEmitter
(event_queue, watch, timeout=1)[source]¶ Bases:
watchdog.utils.BaseThread
Producer thread base class subclassed by event emitters that generate events and populate a queue with them.
Parameters: - event_queue (
watchdog.events.EventQueue
) – The event queue to populate with generated events. - watch (
ObservedWatch
) – The watch to observe and produce events for. - timeout (
float
) – Timeout (in seconds) between successive attempts at reading events.
-
queue_event
(event)[source]¶ Queues a single event.
Parameters: event (An instance of watchdog.events.FileSystemEvent
or a subclass.) – Event to be queued.
-
queue_events
(timeout)[source]¶ Override this method to populate the event queue with events per interval period.
Parameters: timeout ( float
) – Timeout (in seconds) between successive attempts at reading events.
-
timeout
¶ Blocking timeout for reading events.
-
watch
¶ The watch associated with this emitter.
- event_queue (
-
class
watchdog.observers.api.
EventDispatcher
(timeout=1)[source]¶ Bases:
watchdog.utils.BaseThread
Consumer thread base class subclassed by event observer threads that dispatch events from an event queue to appropriate event handlers.
Parameters: timeout ( float
) – Event queue blocking timeout (in seconds).-
dispatch_events
(event_queue, timeout)[source]¶ Override this method to consume events from an event queue, blocking on the queue for the specified timeout before raising
queue.Empty
.Parameters: - event_queue (
EventQueue
) – Event queue to populate with one set of events. - timeout (
float
) – Interval period (in seconds) to wait before timing out on the event queue.
Raises: queue.Empty
- event_queue (
-
event_queue
¶ The event queue which is populated with file system events by emitters and from which events are dispatched by a dispatcher thread.
-
timeout
¶ Event queue block timeout.
-
-
class
watchdog.observers.api.
BaseObserver
(emitter_class, timeout=1)[source]¶ Bases:
watchdog.observers.api.EventDispatcher
Base observer.
-
add_handler_for_watch
(event_handler, watch)[source]¶ Adds a handler for the given watch.
Parameters: - event_handler (
watchdog.events.FileSystemEventHandler
or a subclass) – An event handler instance that has appropriate event handling methods which will be called by the observer in response to file system events. - watch (An instance of
ObservedWatch
or a subclass ofObservedWatch
) – The watch to add a handler for.
- event_handler (
-
emitters
¶ Returns event emitter created by this observer.
-
remove_handler_for_watch
(event_handler, watch)[source]¶ Removes a handler for the given watch.
Parameters: - event_handler (
watchdog.events.FileSystemEventHandler
or a subclass) – An event handler instance that has appropriate event handling methods which will be called by the observer in response to file system events. - watch (An instance of
ObservedWatch
or a subclass ofObservedWatch
) – The watch to remove a handler for.
- event_handler (
-
schedule
(event_handler, path, recursive=False)[source]¶ Schedules watching a path and calls appropriate methods specified in the given event handler in response to file system events.
Parameters: - event_handler (
watchdog.events.FileSystemEventHandler
or a subclass) – An event handler instance that has appropriate event handling methods which will be called by the observer in response to file system events. - path (
str
) – Directory path that will be monitored. - recursive (
bool
) –True
if events will be emitted for sub-directories traversed recursively;False
otherwise.
Returns: An
ObservedWatch
object instance representing a watch.- event_handler (
-
unschedule
(watch)[source]¶ Unschedules a watch.
Parameters: watch (An instance of ObservedWatch
or a subclass ofObservedWatch
) – The watch to unschedule.
-
watchdog.observers¶
| module: | watchdog.observers |
|---|---|
| synopsis: | Observer that picks a native implementation if available. |
| author: |<EMAIL_ADDRESS>(Yesudeep Mangalapilly) |
Classes¶
-
watchdog.observers.
Observer
¶ alias of
InotifyObserver
Observer thread that schedules watching directories and dispatches calls to event handlers.
You can also import platform specific classes directly and use it instead
of Observer
. Here is a list of implemented observer classes.:
| Class | Platforms | Note |
|---|---|---|
inotify.InotifyObserver |
Linux 2.6.13+ | inotify(7) based observer |
fsevents.FSEventsObserver |
Mac OS X | FSEvents based observer |
kqueue.KqueueObserver |
Mac OS X and BSD with kqueue(2) | kqueue(2) based observer |
read_directory_changes.WindowsApiObserver |
MS Windows | Windows API-based observer |
polling.PollingObserver |
Any | fallback implementation |
watchdog.observers.polling¶
| module: | watchdog.observers.polling |
|---|---|
| synopsis: | Polling emitter implementation. |
| author: |<EMAIL_ADDRESS>(Yesudeep Mangalapilly) |
Classes¶
-
class
watchdog.observers.polling.
PollingObserver
(timeout=1)[source]¶ Bases:
watchdog.observers.api.BaseObserver
Platform-independent observer that polls a directory to detect file system changes.
-
class
watchdog.observers.polling.
PollingObserverVFS
(stat, listdir, polling_interval=1)[source]¶ Bases:
watchdog.observers.api.BaseObserver
File system independent observer that polls a directory to detect changes.
watchdog.utils¶
| module: | watchdog.utils |
|---|---|
| synopsis: | Utility classes and functions. |
| author: |<EMAIL_ADDRESS>(Yesudeep Mangalapilly) |
Classes¶
-
class
watchdog.utils.
BaseThread
[source]¶ Bases:
threading.Thread
Convenience class for creating stoppable threads.
-
daemon
¶ A boolean value indicating whether this thread is a daemon thread (True) or not (False).
This must be set before start() is called, otherwise RuntimeError is raised. Its initial value is inherited from the creating thread; the main thread is not a daemon thread and therefore all threads created in the main thread default to daemon = False.
The entire Python program exits when no alive non-daemon threads are left.
-
ident
¶ Thread identifier of this thread or None if it has not been started.
This is a nonzero integer. See the thread.get_ident() function. Thread identifiers may be recycled when a thread exits and another thread is created. The identifier is available even after the thread has exited.
-
isAlive
()¶ Return whether the thread is alive.
This method returns True just before the run() method starts until just after the run() method terminates. The module function enumerate() returns a list of all alive threads.
-
is_alive
()¶ Return whether the thread is alive.
This method returns True just before the run() method starts until just after the run() method terminates. The module function enumerate() returns a list of all alive threads.
-
join
(timeout=None)¶ Wait until the thread terminates.
This blocks the calling thread until the thread whose join() method is called terminates – either normally or through an unhandled exception or until the optional timeout occurs.
When the timeout argument is present and not None, it should be a floating point number specifying a timeout for the operation in seconds (or fractions thereof). As join() always returns None, you must call isAlive() after join() to decide whether a timeout happened – if the thread is still alive, the join() call timed out.
When the timeout argument is not present or None, the operation will block until the thread terminates.
A thread can be join()ed many times.
join() raises a RuntimeError if an attempt is made to join the current thread as that would cause a deadlock. It is also an error to join() a thread before it has been started and attempts to do so raises the same exception.
-
name
¶ A string used for identification purposes only.
It has no semantics. Multiple threads may be given the same name. The initial name is set by the constructor.
-
on_thread_start
()[source]¶ Override this method instead of
start()
.start()
calls this method.This method is called right before this thread is started and this object’s run() method is invoked.
-
on_thread_stop
()[source]¶ Override this method instead of
stop()
.stop()
calls this method.This method is called immediately after the thread is signaled to stop.
-
run
()¶ Method representing the thread’s activity.
You may override this method in a subclass. The standard run() method invokes the callable object passed to the object’s constructor as the target argument, if any, with sequential and keyword arguments taken from the args and kwargs arguments, respectively.
-
watchdog.utils.dirsnapshot¶
| module: | watchdog.utils.dirsnapshot |
|---|---|
| synopsis: | Directory snapshots and comparison. |
| author: |<EMAIL_ADDRESS>(Yesudeep Mangalapilly) |
Where are the moved events? They “disappeared”
This implementation does not take partition boundaries into consideration. It will only work when the directory tree is entirely on the same file system. More specifically, any part of the code that depends on inode numbers can break if partition boundaries are crossed. In these cases, the snapshot diff will represent file/directory movement as created and deleted events.
Classes¶
-
class
watchdog.utils.dirsnapshot.
DirectorySnapshot
(path, recursive=True, walker_callback=<function <lambda>>, stat=<built-in function stat>, listdir=<built-in function listdir>)[source]¶ Bases:
object
A snapshot of stat information of files in a directory.
Parameters: - path (
str
) – The directory path for which a snapshot should be taken. - recursive (
bool
) –True
if the entire directory tree should be included in the snapshot;False
otherwise. - walker_callback –
Deprecated since version 0.7.2.
- stat –
Use custom stat function that returns a stat structure for path. Currently only st_dev, st_ino, st_mode and st_mtime are needed.
A function with the signature
walker_callback(path, stat_info)
which will be called for every entry in the directory tree. - listdir – Use custom listdir function. See
os.listdir
for details.
-
paths
¶ Set of file/directory paths in the snapshot.
-
stat_info
(path)[source]¶ Returns a stat information object for the specified path from the snapshot.
Attached information is subject to change. Do not use unless you specify stat in constructor. Use
inode()
,mtime()
,isdir()
instead.Parameters: path – The path for which stat information should be obtained from a snapshot.
- path (
-
class
watchdog.utils.dirsnapshot.
DirectorySnapshotDiff
(ref, snapshot)[source]¶ Bases:
object
Compares two directory snapshots and creates an object that represents the difference between the two snapshots.
Parameters: - ref (
DirectorySnapshot
) – The reference directory snapshot. - snapshot (
DirectorySnapshot
) – The directory snapshot which will be compared with the reference snapshot.
-
dirs_created
¶ List of directories that were created.
-
dirs_deleted
¶ List of directories that were deleted.
-
dirs_modified
¶ List of directories that were modified.
-
dirs_moved
¶ List of directories that were moved.
Each event is a two-tuple the first item of which is the path that has been renamed to the second item in the tuple.
-
files_created
¶ List of files that were created.
-
files_deleted
¶ List of files that were deleted.
-
files_modified
¶ List of files that were modified.
-
files_moved
¶ List of files that were moved.
Each event is a two-tuple the first item of which is the path that has been renamed to the second item in the tuple.
- ref (


RMA Status |
RMA Action |
RMA ID |
RMA Submitted |
Open |
Order ID |
Open |
No Action Taken |
41263 |
01-01-2099 24:00:23 EST |
DOA |
SWF - 12993 |
Customer Name |
Customer Email Address |
Jack Jones |
<EMAIL_ADDRESS>|
Item ID |
Description |
Unit Price |
# of Items Unit |
# of Items Ret |
Received |
Refund Value |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
Item ID |
Description |
Unit Price |
# of Items Unit |
# of Items Ret |
Received |
Refund Value |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
1229 -2-2-2 |
25 Assorted Hermit Crabs + 25 Assorted Cleaner Snails - Limit 1 |
$ 10,000.00 |
100 |
20 |
20 |
$ 2,000.00 |
Order Subtotal: |
$999.99 |
Returned Total: |
$999.99 |
Discount: |
$999.99 |
% Discount: |
10.00% |
Ret to Discount% : |
$999.99 |
| Tax: | $999.99 | Requested Return Total: | $999.99 | Coupon: | $999.99 | % Coupon: | 10.00% | Ret to Coupon % : | $999.99 |
| Shipping Costs: | $999.99 | Gift: | $999.99 | % Gift: | 10.00% | Ret to Gift % : | $999.99 | ||
| Order Total: | $999.99 |
| Update Return Status | |
| Refund to | |
| Refund Amount | |
Order Date |
Order ID |
Amount |
# of Items |
# of Returns |
Returned Amount |
| 12/12/2012 | Swf - 12323 | $9,999.99 | 77 | 99 | $9,999.99 |
| 12/12/2012 | Swf - 12323 | $9,999.99 | 77 | 0 | $0.00 |
| 12/12/2012 | Swf - 12323 | $9,999.99 | 77 | 0 | $0.00 |
| 12/12/2012 | Swf - 12323 | $9,999.99 | 77 | 99 | $0.00 |
| 12/12/2012 | Swf - 12323 | $9,999.99 | 77 | 99 | $9,999.99 |
| Totals: | $ 49,999.95 | 385 | 297 | $ 19,999.98 |


{% include head.html %}
{% include header.html %}
<
BACK TO BLOG
{{page.title}}
Published on {{page.date | date: "%-d %B %Y"}}
{{ page.content }}
Tags asdfasdfasdf:
Link
.
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{% include subscribe.html %} {% include author.html %}
< Previous Post
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Notes
Dashboard data is based ASE students performance on Khan Academy and submissions on Google Classroom.
More Notes Here
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Allows dragging of the specified target object by mouse or touch, optionally limiting it to be within the UIPanel's clipped rectangle.
More...
|
| Vector3 | scale = new Vector3(1f, 1f, 0f) |
| |
Allows dragging of the specified target object by mouse or touch, optionally limiting it to be within the UIPanel's clipped rectangle.
| Enumerator |
|---|
| None |
|
| Momentum |
|
| MomentumAndSpring |
|
| void UIDragObject.CancelMovement |
( |
| ) |
|
| void UIDragObject.CancelSpring |
( |
| ) |
|
Cancel the spring movement.
| UIRect UIDragObject.contentRect = null |
Rectangle to be used as the draggable object's bounds.
If none specified, all widgets' bounds get added up.
| DragEffect UIDragObject.dragEffect = DragEffect.MomentumAndSpring |
Effect to apply when dragging.
| float UIDragObject.momentumAmount = 35f |
How much momentum gets applied when the press is released after dragging.
Panel that will be used for constraining the target.
| bool UIDragObject.restrictWithinPanel = false |
Whether the dragging will be restricted to be within the parent panel's bounds.
| Vector3 UIDragObject.scale = new Vector3(1f, 1f, 0f) |
|
protected |
| Vector3 UIDragObject.scrollMomentum = Vector3.zero |
Momentum added from the mouse scroll wheel.
| Transform UIDragObject.target |
Target object that will be dragged.
| Vector3 UIDragObject.dragMovement |
|
getset |
Scale value applied to the drag delta.
Set X or Y to 0 to disallow dragging in that direction.
The documentation for this class was generated from the following file:


|
D <- getNetCDF('/Data/SOCRATES/SOCRATESrf08h.nc', Start=45600, End=50100) %>%
Rmutate(WIC2=WIC, WIC3=WIC) ## duplicate the variable
g <- VSpec(D, 'WIC', VLabel='spectrum')
g <- VSpec(D, 'WIC2', method='Welch', VLabel='Welch',
segLength=128, smoothBins=50, add=g)
VSpec(D, 'WIC3', method='MEM', VLabel='MEM', add=g) +
theme_WAC()
Figure:
Variance spectra for the same data shown in the preceding plot but generated by the three methods indicated in the legend.
|
Another option that may be of use, although the result is not a “proper”
spectrum in the sense used above, is to plot with weighting by
and additional change of variables so that the resulting ordinate
matches the eddy dissipation rate in a case where the measurements
are indeed from an inertial subrange. Figure illustrates
this plot. The variable plotted is
,
with the airspeed and for lateral spectra; this quantity
should equal the eddy dissipation rate in an inertial subrange.
|


Backtracking
An algorithmic approach to a problem where solutions to a larger problem are incremently built up as a pathway to follow, and then, if the pathway fails at some point, the the partial solutions are abandoned and the search begins again at the last point that was potentially successful.
Data Mining
A process for trawling through lots of data that probably comes from many sources. It is useful way to search for relationships and facts that are probably not immediately obvious to a casual observer.
Algorithms that help with data mining are known by such terms as 'pattern matching' and 'anomaly detection'.
Data mining has become possible because of
Data mining is useful for many purposes, such as business modelling and planning as well as even disease preiction. This is an amazing aspect of computability that would not have been forseen in 1936.
Performance Modelling
We often want to know how well a system will perform in real life before we have implemented it. It is not feasible to test all possibilities for reasons such as:
The sensible thing to do is to build models or simulations in porder to best predict the outcomes. Producing computer models is one of the most imporant uses of computers and is apart of computational thinking.
Pipelining
Pipelining is a situation where the output of one process is the input of another.
RISC architecture is often linked with pipelining. While one instruciton is being fetched, another is being decoded and another executed. This is queueing and does have its drawbacks in the form of flushing the pipeline. This is where an interrupt takes place and takes priority, meaning the pipelining needs to be reset.
Visualisation
Visualisation is a common computing technique to present data in an easy-to-grasp form. The benefit of visualisation is really shown when tables of data can be shown visually in images and graphs that allow patterns to be easily observed.
What is abstraction?
This is the process by which what does matter is brought out and what doesn't is discarded in a scenario.
Abstraction helps us to maximise our chances of solving a problem by letting us separate out the component parts and decide which are worth developing with more detail.
Abstraction and real-world issues
Abstraction is extremely important in computing. Every program worth thinking about uses variables. Variables are an abstraciton of real world values or itermediate values in calculations.
Classes and objects in object oriented programming are another example of abstraction on a higher level.
Levels of abstraction
In a complex system, it is often useful to construct an abstractipon to represent a large problem and to create lower-level abstractions to deal with component parts.
The power in this approach is the details in each layer of abstraction can be hidden from the others allowing concentration on just one issue at a time.
This idea of levels is called layering and is found widely in large systems such as Operating Systems, Databases and Networking. Layers are a way of dividing the functionality of a big system into separate areas of interest.
Thinking Ahead
In computing, when we refer to planning and thinking ahead we refer to inputs and output. It is useful to apply this approach to other problems as well.
Inputs and Outputs
When planning a computer system, one of the first things an analyst needs to do is to determine what outputs are needed, after all the entire purpose of a computer system is to have and retrieve output. This use of determining outputs leads to information of required inputs and thus planning ahead in a computer system.
Caching
This is another illustration of thinking ahead in computer systems. Data that is likely to be needed is anticipitated and stored in a temporary store, ready for fast access. Cached data can replace the need for recalculation or slow access of data stored online or on an external storage device.
Thinking Procedurally
Computers are written and designed in modules of code and essential components.
When writing programs, we generally think of algorithms expressed as sequences of instructions which are often packaged up into modules for ease of writing.
Thinking Logically
When we think logically, we have to infer knowledge. In programming it requires understanding where decisions need to be made and their consequences.
To think logically when solving a problem, it is necessary to:
Thinking Concurrently
Sometimes it can be more efficient to do some parts of a task together at the same time. This is the idea of concurrently approaching a problem and can affect the algorithms created. This links in to hardware such as parallel processing and other forms of problem solving in computer science.


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PlcEssentials (advanced PLC API) : Class diagram
| Created: |
3/5/2014 12:16:20 PM |
| Modified: |
4/8/2014 12:55:06 PM |
| Project: |
|
| Author: |
renglputzeder |
| Version: |
1.0 |
| Advanced: |
|
| ID: |
{34213C85-898B-4b6b-AB90-D6681C83B877} |
The PLC base concept is a standardized approach how to structure and name a hierarchical state machine tree. It's a specification which describes naming conventions etc.

The .NET PlcCommunication library supports this PLC base concept specification by providing standardized enums, classes and importers.

The centralized main component is the Controller. A controller represents a piece of hardware and is pluggable into a hierarchical controller-tree. It accepts commands, is configurable, has parameters and alarms.


Caitlyn Jenner confessed to 'fantasy' of becoming woman 45 years ago
Caitlyn Jenner’s ex-wife Chrystie Scott has claimed the Olympian had dreamed of transitioning to a woman for 40 years before finally being able to.
Chrystie was married to the new I’m a Celebrity camp mate from 1972 to 1981, having two children together – Burt, 41, and Cassandra, 39.
But just a year into their marriage, Caitlyn confided in Chystie their ‘fantasy’ of becoming a woman.
Despite their split, the pair remained friends with Caitlyn going on to marry Linda Thompson and having two more sons with her – Brody and Brandon Jenner.
Chrystie – who still refers to her ex-husband as her now dead-name Bruce – told The Mirror: ‘I was shocked. He was so masculine.
‘It never occurred to me it might have caused him anxiety. There was no indication in any area of our marriage.
‘He said it was a fantasy and he wasn’t going to act on his desire. I had never seen him dressing up in women’s clothes or anything like that.’
When their relationship ended, Caitlyn later flew out Chrystie to California in 1985, revealing then she was transgender and had plans to transitioning to a woman.
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Admitting she ‘cried for two days straight’ when Caitlyn told her, the soon-to-be reality mega star reportedly assured her that her ex-husband ‘was still here and not going anywhere.’
Caitlyn finally came out publicly as transgender in 2015, shortly after ending her marriage to Kris Jenner after 24 years together.
Speaking her truth to Diane Sawyer, Caitlyn also confirmed she had spoken to Chrystie about her feelings when they were together.
She later released now iconic cover of Vanity Fair revealing her new look to the world.
Caitlyn completed reassignment surgeries in 2017 – 45 years since her first admission to Chrystie.
Now, after her own reality show in the US, the star is reintroducing herself to the UK as part of I’m a Celebrity Get Me Out Of Here’s class of 2019.
In first look photos of their initiation to get into camp, she is seen bonding with Nadine Coyle before they skydive out of an airplane.
Nadine seeks comfort with the star, who gives her a hug to calm her over their challenge.
I’m a Celebrity…Get Me Out Of Here airs nightly at 9pm on ITV.
Got a showbiz story? If you've got a story, video or pictures get in touch with the Metro.co.uk Entertainment team by emailing us<EMAIL_ADDRESS>calling 020 3615 2145 or by visiting our Submit Stuff page - we'd love to hear from you.
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ppmtosixel(1) ppmtosixel(1) NAME ppmtosixel - convert a portable pixmap into DEC sixel format SYNOPSIS ppmtosixel [-raw] [-margin] [ppmfile] DESCRIPTION Reads a portable pixmap as input. Produces sixel commands (SIX) as out‐ put. The output is formatted for color printing, e.g. for a DEC LJ250 color inkjet printer. If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file. OPTIONS -raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to compressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magnitude larger than a compressed file and prints much slower. -margin If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci‐ fied, a 1.5 inch left margin will offset the image. PRINTING Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?. BUGS Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation. SEE ALSO ppm(5) AUTHOR Copyright (C) 1991 by Rick Vinci. 26 April 1991 ppmtosixel(1)


Tab Options
Help
Places
Assign hotkeys to URLs you visit often. Typing a hotkey loads the URL.
Changes to hotkeys take effect immediately. Other changes take effect when you click Save.
The
NT
checkbox determines whether the place will open in a new tab.
Hotkey
Name
URL
NT
Add Place
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Back Up To Cloud
Restore From Cloud
Service to use for places backup/restore:
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Pinboard


Hi ! I am Vishal, Computer Science Enigineering graduate, Front-End web Developer and having some hands on experience in web technology living in New Delhi, India.
Apart from that Open Source Contributer, Enthusiastic, good communication skills with an ambition to learn new things
and exciting to work with you.
Recently i've completed hacktoberfest challenge and successfully made more than 4 Pull Requests to Open Source Project and got some goodies.
Hexcode Clock generates hex color code according to real clock time and change the color of the background by using that hexcode.
Technology Used - HTML5 CSS3 and JavaScript
Basic Calculator which can perform some basics tasks such as addition, subtraction, multiplication and division.
Technology Used - HTML5 CSS3 and JavaScript
RoboFriend is list of some robot and filter out them by using their name.
Technology Used - React JS
Get in touch for further discussion
Contact me


Custom element Menu allows you to change the popup's open direction by using the setItemOpenDirection method. The 'Services' item is opened above the menu and the 'Contact Us' item is opened below the menu and horizontally aligned to left.
About Us
History
Our Vision
The Team
Brigita
John
Michael
Peter
Sarah
Clients
Testimonials
Press
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Enquiry Form
Map & Driving Directions
Your Feedback


Chris Brown And Ex-Girlfriend Welcome Their First Child, A Baby Boy
by Peace FM OnlineIt’s a boy!
Chris Brown and his ex-girlfriend Ammika Harris welcomed a son on Wednesday (Nov. 20), according to reports.
The former couple did not publicly confirm the baby’s arrival, but they have been dropping cryptic teasers on social media. Chris posted a black-and-white photo of himself smiling and looking down off camera. He captioned it with the baby’s presumed birth date: 11-20-2019.
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My local cafe is serviced by a rickety and unreliable wireless network, generously sponsored with ratepayers' money by our city council. After connecting, you are redirected to an SSL-protected page that prompts you for a username and password. Once you've entered your details, you are free to enjoy the intermittent dropouts, treacle-like speeds and incorrectly configured transparent proxy.
I tend to automate this kind of thing at the first opportunity, on the theory that time spent now will be more than made up in the long run. In this case, I might use Firebug to ferret out the form post parameters and target URL, then fire up an editor to write a little script using Python's urllib to simulate a submission. That's a lot of futzing about. With mitmproxy we can do the job in literally 30 seconds, without having to worry about any of the details. Here's how.
> mitmdump -w wireless-login
I use a tiny Firefox addon called Toggle Proxy to switch quickly to and from mitmproxy. I'm assuming you've already configured your browser with mitmproxy's SSL certificate authority.
And that's it! You now have a serialized version of the login process in the file wireless-login, and you can replay it at any time like this:
> mitmdump -c wireless-login
We're really done at this point, but there are a couple of embellishments we could make if we wanted. I use wicd to automatically join wireless networks I frequent, and it lets me specify a command to run after connecting. I used the client replay command above and voila! - totally hands-free wireless network startup.
We might also want to prune requests that download CSS, JS, images and so forth. These add only a few moments to the time it takes to replay, but they're not really needed and I somehow feel compelled to trim them anyway.  When we're done, we use w to save the conversation back to the file.


Your new weblahh is restless. It’s legs are cramping up. Hurry, put on some exercise music.
Two ways of saying what you need to say on your weblahhhag. You can use the commandline:
hobix post blahhg shortName
This will create a new file named shortName.yaml
in your entries
directory. Assuming your weblahh is at http://a-dog-a-log-a-bog.com/
, this entry will be archived at http://a-dog-a-log-a-bog.com/shortName.html
.
You may also organize your entries into category directories. Simply add the category path to the shortName.
hobix post blahhg news/shortName
The other way of saying what you need to say. You can simply create a new YAML file in the proper directory under entries
. Here’s a full YAML entry file:
--- !hobix.com,2004/entry title: Full Title of the Story author: author-username-here created: 2004-04-01 18:11:39 -05:00 tagline: A Brief Sentiment To Spark Interest summary: > Perhaps give a short teaser. Think hard. Have any fisticuffs in your entry? People love to duke it out. content: > !images/my-face-bruises.jpg! Yeah, wo. Quite a bit of bad, crazy fist-fighting. It's all in a day's work.
The created
, tagline
and summary
fields are optional. In fact, Hobix will add the created
field for you. The other two are only if you want to be extra professional circa 2050.
Notice the content
field above. The !images/my-face-bruises.jpg!
line is a Textile command. Textile is a simple replacement for HTML.
This command places an image in the content. In Textile, images are
embedded by surrounding the image address in exclamation marks.
For more on Textile, see A Textile Reference.
So the default websyht is porridge. Absolutely rank.
To edit the look of things, hop into the skel
directory. You’ll see a set of files:
entry.html.quick index.atom.atom index.html.quick-summary index.xml.rss index.yaml.okaynews monthly.html.quick-archive section.html.quick-archive sidebar.html.quick yearly.html.quick-archive
Why do these files have more than one extension? Well, the
end extension indicates what plugin will process the file. For example,
the index.html.erb
file will be processed by Hobix’s erb
output plugin.
When the file is generated (using the plugin), the ending extension will be removed and the newly created file will be saved in htdocs
as index.html
. Nothin to it.
However, not every template creates only one new file. The entry.html.erb
file is responsible for creating all the archived entries throughout your site. If you have ten entries on your site, entry.html.erb
will be the template for all of these ten entries.
Each will have its own name, rather than just entry.html
. So, entry
is just a prefix, which indicates what the template will be used for.
Possible file prefixes are:
index -> the front page, last 10 entries generates htdocs/index.ext entry -> an entry's permanent archive, generates htdocs/category/entry-id.ext (htdocs/news/shortName.html) monthly -> a monthly archive of entries, generates htdocs/year/month/index.html (htdocs/2004/04/index.html) daily -> like above, but daily (htdocs/2004/04/12.html)
So let’s take index.xml.rss
as an example. This file will be passed to the rss
plugin of Hobix (hobix/out/rss
). The plugin will receive the last 10 entries, since the file’s prefix is index
. The file will then be save to htdocs/index.xml
.
Yeah, so if you want to create rss feeds for every entry in the site, just add a blank file called entry.xml.rss
. Then update the latest on the blahhg:
hobix upgen blahhg
ERB is Embedded RuBy. Basically, you can place Ruby code between < and > tags. The code will be executed as the file is read. You can print a variable to the page with:
<%= var %>
Every ERB template is given three variables which you can use in Ruby:
The weblog variable is a Hobix::Weblog
object. This object contains all the information from your hobix.yaml
file. You can also search for entries and edit them through this object.
Generally, you’ll use it to display information about the weblahhg.
<title><%= weblog.title %> (<%= weblog.tagline %>)</title>
You could use the above in your index.html.erb
to see to it that your front page has the title and tagline of the weblahhg in the browser’s title bar.
The page
variable contains a Hobix::Page object, information about the current
page. The latest update to any entry on the page is in the updated
property.
This page last updated on <%= page.updated %>
The page variable also has links to the
current page, as well as the previous page and next page. This way you
can set up arrows to link to the previous month’s or next month’s page
in monthly.html.erb
.
The last and next links in this tutorial are generated like this:
<% if page.prev %> < <a href="<%= page.prev %>">last <% end %> <% if page.prev and page.next %>|<% end %> <% if page.next %> <a href="<%= page.next %>">next > <% end %>
The entries (or entry) variable contains one or more Hobix::Entry objects which have been loaded for the page. In the case of a template with an entry
prefix, only one entry is passed into the template at a time. This entry is placed in the entry
variable.
All other pages use the entries
variable, which contains an Array of Hobix::Entry objects.
The Hobix::Entry object has all the same properties as the YAML file we discussed in the last section. It also has an id
property (the entry’s shortName
) and a link
property (a URL to where the entry is permanently saved.)
On your index.html.erb
, you might display the last 10 entries by iterating through the entries
list.
<% entries.each do |e| %>

<%= e.title %>

 <%= e.created.strftime( "%m %d %Y @ %I:%M %p" ) %>

 <%= e.content.to_html %>
 <% end %>
Keep skel
uncluttered. Templates only. I admit. I like to use Apache server-side includes. I keep them in skel
. Anything in skel
which isn’t recognized as a plugin is simply coped over to htdocs
when you regenerate.
Still, keep skel
limited to the very bones of your websyht. Store your images and other downloads in htdocs
.


FIFA name Wenger global football development chief
by AGENCE FRANCE PRESSELAUSANNE, Switzerland, Nov 13 – Veteran coach Arsene Wenger has been named FIFA’s chief of global football development, the governing body announced on Wednesday.
FIFA said the former Arsenal and Monaco coach would be responsible for the growth of the game “for both men and women around the world”, and would also be the “leading authority on technical matters”, including potential changes to the sport’s laws.
It added that Wenger, 70, would also be tasked with coach education and aiding a programme designed to help former players enter management.
“I very much look forward to taking on this extremely important challenge,” Wenger said in a statement.
“Not only because I have always been interested in analysing football from a broader perspective but also because FIFA’s mission as world football’s governing body is truly global.”
The new role brings Wenger back to the game for the first time since 2018, when he left Arsenal after 22 years in charge.
Wenger made the Gunners one of the strongest sides in Europe, winning three Premier League titles and seven FA Cups and taking his team to the 2006 Champions League final.
On Saturday Wenger denied claims by Bayern Munich that they had turned down his offer to take over at the German champions after the sacking of Niko Kovac.
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Circles JS
Hyper casual iOS game built with React Native
Available on the App Store
Swedish software developer specialized in web & mobile app development
Hyper casual iOS game built with React Native
Available on the App Store
Social networking app for iOS built with React Native and Firebase
Available on the App Store
Best-selling iOS utility app with over 100K downloads
Available on the App Store
iOS utility app built with React Native
Available on the App Store
Website for student-run management consulting firm
Available at gozinto.se
Web app for creating iOS app icon assets
Available at gustavfridell.com/app-icon-maker
Advanced iOS utility app built with React Native
Available on the App Store
Casual iOS game built with Swift and SpriteKit
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--- layout: default footerlogos: yes title: "Speaker" lang: en ---
Julia is project lead at OKF DE since 2012. Her work focuses on the areas of Open Data and Civic Tech. She has realized a number of community-driven projects such as StadtLandCode, Germanys first incubator for Civic Tech, and a number of Open Data hackathons. Currently, she is the project lead of Code for Germany, a nationwide civil tech community that builds digital tools and applications using Open Data. Julia studied Design and New Media, and worked in policy campaigns before joining the Open Knowledge Foundation. She is a member of Digitale Gesellschaft e.V. and gives talks on Open Knowledge and Open Tools.
Julia will chair the session on »Challenges for Open Data, Transparency and Civic Tech« on 28.04.2017.
Program for the first day


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#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Fake datastore used for unit testing.
For internal use only; no backwards-compatibility guarantees.
"""
import uuid
# Protect against environments where datastore library is not available.
# pylint: disable=wrong-import-order, wrong-import-position
try:
from google.cloud.proto.datastore.v1 import datastore_pb2
from google.cloud.proto.datastore.v1 import query_pb2
except ImportError:
pass
# pylint: enable=wrong-import-order, wrong-import-position
[docs]def create_run_query(entities, batch_size):
"""A fake datastore run_query method that returns entities in batches.
Note: the outer method is needed to make the `entities` and `batch_size`
available in the scope of fake_run_query method.
Args:
entities: list of entities supposed to be contained in the datastore.
batch_size: the number of entities that run_query method returns in one
request.
"""
def run_query(req):
start = int(req.query.start_cursor) if req.query.start_cursor else 0
# if query limit is less than batch_size, then only return that much.
count = min(batch_size, req.query.limit.value)
# cannot go more than the number of entities contained in datastore.
end = min(len(entities), start + count)
finish = False
# Finish reading when there are no more entities to return,
# or request query limit has been satisfied.
if end == len(entities) or count == req.query.limit.value:
finish = True
return create_response(entities[start:end], str(end), finish)
return run_query
[docs]def create_commit(mutations):
"""A fake Datastore commit method that writes the mutations to a list.
Args:
mutations: A list to write mutations to.
Returns:
A fake Datastore commit method
"""
def commit(req):
for mutation in req.mutations:
mutations.append(mutation)
return commit
[docs]def create_response(entities, end_cursor, finish):
"""Creates a query response for a given batch of scatter entities."""
resp = datastore_pb2.RunQueryResponse()
if finish:
resp.batch.more_results = query_pb2.QueryResultBatch.NO_MORE_RESULTS
else:
resp.batch.more_results = query_pb2.QueryResultBatch.NOT_FINISHED
resp.batch.end_cursor = end_cursor
for entity_result in entities:
resp.batch.entity_results.add().CopyFrom(entity_result)
return resp
[docs]def create_entities(count, id_or_name=False):
"""Creates a list of entities with random keys."""
entities = []
for _ in range(count):
entity_result = query_pb2.EntityResult()
if id_or_name:
entity_result.entity.key.path.add().id = (
uuid.uuid4().int & ((1 << 63) - 1))
else:
entity_result.entity.key.path.add().name = str(uuid.uuid4())
entities.append(entity_result)
return entities


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HTML is the language the computer uses to display things that you see on a web page. CSS is the language that tells the browser how to display things and makes it possible to have all sorts of pretty stuff going on. The DOM kinda brings them together and makes it so you can manipulate things.
'Boxifying design' is splitting up a web page into boxes that display different things.
The 'box model' is a box that wraps every HTML element and it's made up of the content in the middle, surrounded by padding, the border and the margin.


UK weather forecast: Britain faces 17 hours of heavy rain and 92 flood warnings
The Met Office has issued four yellow warnings for rain, including areas in already flood-hit South Yorkshire. Residents are warned of travel disruptions for the weekend
by Tiffany LoFlood-hit areas will face a 'disruptive' wet weekend with nearly two weeks' worth of rainfall in just a few hours.
Forecaster has issued a total of four yellow weather warnings for rain that cover the southwest, east midlands and the Scottish highlands.
Two of them will last from 4pm on Saturday until 9am on Sunday - that's 17 hours of downpours.
The Environment Agency has 92 flood warnings and alerts in place in parts of the Midlands and northern England.
Saturday will start off dry before persistent and heavy rain hit in the afternoon.
Met Office meteorologist Helen Willetts said: "It will be really very wet for the Balearic Islands as we go through Saturday.
"It will push into the United Kingdom and into France as well.
"Large waves on the coast and more flooding rains are expected. The ground is already so saturated."
Britons living in affected areas are expected to see cuts to power supplies and delays to public transport.
The Environment Agency said that river flooding was possible in southwest England and Wales this weekend, and across parts of southern England on Monday.
Weekend holidaymakers are warned of travel disruptions and advised to check for updates.
Fog patches are also likely in parts of central, southern and eastern England.
The weekend forecast will heap trouble to those in South Yorkshire, one of the worst-hit areas that sees 655 homes flooded and more than 1,300 people evacuated.
Five-day weather forecast:
Today:
Most parts cloudy with rain at times, heaviest in the southwest this morning then in the northeast later. Temperatures close to the seasonal average but feeling chilly in the rain, and with a brisk breeze in the northeast.
Tonight:
Heavy rain becoming confined to northeast Scotland. Becoming drier elsewhere but with mist, low cloud and a few fog patches.
Sunday:
Heavy rain clearing northeast Scotland. Elsewhere, a murky start with some drizzle and a few fog patches. Brighter skies developing in places during the afternoon. Milder in the south.
Outlook for Monday to Wednesday:
Further spells of rain or showers for most, heavy in places, and some brief drier interludes. Often windy, especially around coasts. Milder than of late although patchy overnight frost possible.


The LR circuit is fundamental to the understanding of inductors. It is as follows.
We have here a battery supplying voltage \(V_{bat}\), a resistor of resistance \(R\), and an inductor of inductance \(L\). These are our constants. Interestingly, however, the voltage across the inductor and resistor will change over time. Their sum, of course, will always be \(V_{bat}\) according to Kirchhoff's voltage law. Initially, the voltage across the resistor will be zero while that of the inductor will be \(V_{bat}\), over time the tables will turn, then finally, these will swap. We want to know how this happens over time. The first two equations we need are immediate from our study of Ohm's Law and Kirchhoff's Laws. Namely, $$ \begin{align} V_R(t) &= RI(t), \\ V_{bat} &= V_L(t) + V_R(t). \end{align} $$ We now recall the relationship between the inductance \(L\), the change in current, and the voltage across the inductor. $$ \frac{d}{dt}I(t) = \frac{V_L(t)}{L} $$ Putting everything together, it is not hard to arrive at... $$ \frac{d}{dt}V_L(t) = -\frac{R}{L}V_L(t). $$ With initial condition \(V_L(0)=V_{bat}\), this easily solves as... $$ V_L(t) = V_{bat}e^{-Rt/L}. $$ Solving for \(I(t)\), we get... $$ I(t) = \frac{V_{bat}}{R}(1-e^{-Rt/L}). $$ Notice how the current begins at zero, then rises to \(V_{bat}/R\).
I suppose we could do all the math here, but if I understand correctly, only a theoretically perfect inductor would behave the way we would hope here. In practice, it's not the case. I'll have to do some experiments.