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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...in the same set of functionality as Android application program interface (API) does, and its components cannot be modified for programmers’ special needs.
Due to the large number of user requests for new components, App Inventor has released a new feature called “App Inventor extensions”, wh...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...in the same set of functionality as Android application program interface (API) does, and its components cannot be modified for programmers’ special needs.
Due to the large number of user requests for new components, App Inventor has released a new feature called “App Inventor extensions”, wh...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...in the same set of functionality as Android application program interface (API) does, and its components cannot be modified for programmers’ special needs.
Due to the large number of user requests for new components, App Inventor has released a new feature called “App Inventor extensions”, wh...
How To Accept a File POST
I'm using asp.net mvc 4 webapi beta to build a rest service. I need to be able to accept POSTed images/files from client applications. Is this possible using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work?
...
Unique Key constraints for multiple columns in Entity Framework
...rrect for data annotations :), if you want the answer for using the fluent API see Niaher's answer below stackoverflow.com/a/25779348/2362036
– tekiegirl
Oct 29 '14 at 13:37
8
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JavaScript and Threads
...change in future.
Here's the relevant documentation for Gears: WorkerPool API
WHATWG has a Draft Recommendation for worker threads: Web Workers
And there's also Mozilla’s DOM Worker Threads
Update: June 2009, current state of browser support for JavaScript threads
Firefox 3.5 has web worker...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...es, each one with its own application :
- Basic “Hello World”
- REST API
- JSON Serialization/Deserialization
- Photo Loading
- SQL Database Insert and Get All
Each test is repeted several times, the graphs show the average results.
Hello World
Rest API
Set of tests aimed at measuri...
NSNotificationCenter addObserver in Swift
...
It's the same as the Objective-C API, but uses Swift's syntax.
Swift 4.2 & Swift 5:
NotificationCenter.default.addObserver(
self,
selector: #selector(self.batteryLevelChanged),
name: UIDevice.batteryLevelDidChangeNotification,
object: n...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...in the same set of functionality as Android application program interface (API) does, and its components cannot be modified for programmers’ special needs.
Due to the large number of user requests for new components, App Inventor has released a new feature called “App Inventor extensions”, wh...
How to scale threads according to CPU cores?
...
Look at the example here: java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/… It will tell you a more streamlined way to create and manage the thread pool... It may seem more complicated at first, but as with most things, it's more complicated because if it was simpler yo...