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load scripts asynchronously
...execute. It also avoids the issue of having to asynchronously load each required script.
If you have a particularly fancy interaction that isn't always used that requires a larger script of some sort, it could be useful to avoid loading that particular script until it's needed (lazy loading).
* sc...
Android activity life cycle - what are all these methods for?
...y destroying this
instance of the activity to save space. You can distinguish between> these two scenarios with the isFinishing() method.
When the Activity first time loads the events are called as below:
onCreate()
onStart()
onResume()
When you click on Phone button the Activity goes to t...
Use C++ with Cocoa Instead of Objective-C?
... on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
...
What are the benefits of using C# vs F# or F# vs C#? [closed]
...your code is less error-prone (immutability, more powerful type system, intuitive recurive algorithms). You can code what you mean instead of what the computer wants you to say ;-) You will find many discussions like this when you google it or even search for it at SO.
Special F#-advantages:
Asyn...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
...
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 - ...
Detecting that the browser has no mouse and is touch-only
...en change it right after he's made the effort to pinpoint your now crowded UI?
In bullet form, quoting stucox at https://github.com/Modernizr/Modernizr/issues/869#issuecomment-15264101
We want to detect the presence of a mouse
Ae probably can't detect before an event is fired
As such, wh...
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...
Objective-C ARC: strong vs retain and weak vs assign
...ables and local variables are strong pointers.
We generally use strong for UIViewControllers (UI item's parents)
strong is used with ARC and it basically helps you , by not having to worry about the retain count of an object. ARC automatically releases it for you when you are done with it.Using t...
iOS app error - Can't add self as subview
...h to turn animation back ON, then the correct strategy is to implement the UINavigationControllerDelegate protocol.
This includes the following method, which is called after the animation is complete:
navigationController:didShowViewController:animated:
Basically you want to move some code as nee...