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The current SynchronizationContext may not be used as a TaskScheduler
...ronizationContext (that is, if the current context is null). If there's no UI thread, I don't need to synchronize with it in the first place.
TaskScheduler syncContextScheduler;
if (SynchronizationContext.Current != null)
{
syncContextScheduler = TaskScheduler.FromCurrentSynchronizationContext(...
How does JavaFX compare to WPF? [closed]
...mposed of 'nodes' which can be thought of as conceptually similar to WPF's UIElement.
JavaFX will offload the graphics rendering to the GPU if available. The graphics system uses DirectX on Windows and OpenGL on other platforms.
Markup
JavaFX user interfaces can be created both in code and via FX...
Wait one second in running program
...
Personally I think Thread.Sleep is a poor implementation. It locks the UI etc. I personally like timer implementations since it waits then fires.
Usage: DelayFactory.DelayAction(500, new Action(() => { this.RunAction(); }));
//Note Forms.Timer and Timer() have similar implementations. ...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...数
要连接到MQTT消息服务器，组件需要设置连接选项，“界面设计”或“程序设计”视图均可进行设置。
连接信息
Broker - MQTT消息服务器
服务器的主机名或 IP 地址。
Port - 端口
连接的端口号。默认值为 1883。
Protocol - ...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...式和添加现代的功能来是的编程更加简单、灵活和有趣。界面则基于广受人民群众爱戴的Cocoa和Cocoa Touch框架，展示了软件开发的新方向。
Swift已经存在了多年。Apple基于已有的编译器、调试器、框架作为其基础架构。通过ARC(Auto...
async/await - when to return a Task vs void?
... edited Jun 3 '14 at 12:07
suizo
52977 silver badges2121 bronze badges
answered Aug 27 '12 at 14:53
user74...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
...the following exit action on the first view controller:
- (IBAction)done:(UIStoryboardSegue *)segue {
NSLog(@"Popping back to this view controller!");
// reset UI elements etc here
}
Then, on Storyboard scene for the second view controller, Ctrl-drag from a UI element, such as a button, t...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
... our network calls inside the fragment(and display some temporary progress ui if needed) and that is the only way we can avoid getting this exception when it probably occurs because commit is being called after some asynchronous method call.
– meh
Aug 21 '13 at...
程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...，你超越了90%的程序员——大部分程序员是按产品经理和UI设计师的要求来实现产品。
创新是人类发展的源泉，是社会进步的动力，同样也是产品的核心竞争力。但这里所说的创新不一定是那种颠覆性的创新，也许是把众多不...
Wait until a process ends
...at doesn't do what you want, please give us more information about your requirements.
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