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When would I use Task.Yield()?
...s free to return using a completely synchronous path.
If you're making an API where it's critical that you don't block and you run some code asynchronously, and there's a chance that the called method will run synchronously (effectively blocking), using await Task.Yield() will force your method to ...
Parsing command-line arguments in C?
...s-platform compatible. As I found here, Argp is a non-standardized glibc API extension. It is available in gnulib so can be added to a project explicitly. However, it's probably simpler for mac-only or cross-platform developers to use the getopt approach.
– thclark
...
How do I make an HTTP request in Swift?
...
Swift 4 and above : Data Request using URLSession API
//create the url with NSURL
let url = URL(string: "https://jsonplaceholder.typicode.com/todos/1")! //change the url
//create the session object
let session = URLSession.shared
//now create the URLRequest...
Install a .NET windows service without InstallUtil.exe
...
You can always fall back to the good old WinAPI calls, although the amount of work involved is non-trivial. There is no requirement that .NET services be installed via a .NET-aware mechanism.
To install:
Open the service manager via OpenSCManager.
Call CreateService...
Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
...
You can achieve it like this:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script>
window.jQuery || document.write('<script src="/path/to/your/jquery"><\/script>');
</script>
This should be in your p...
Set cursor position on contentEditable
...This part of the code is deciding whether to use the standard getSelection api or the legacy document.selection api used by older versions of IE. The later getRangeAt (0) call will return null if there is no selection, which is checked for in the restore function.
– Nico Burns
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Difference between $(this) and event.target?
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http://api.jquery.com/on/ states:
When jQuery calls a handler, the this keyword is a reference to the
element where the event is being delivered; for directly bound events
this is the element where the event was attached and...
Why is String immutable in Java?
...d, immutability of String only means you cannot change it using its public API. You can in fact bypass the normal API using reflection. See the answer here.
In your example, if String was mutable, then consider the following example:
String a="stack";
System.out.println(a);//prints stack
a.s...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...调用的 程序还是由被调用的函数来负责这一问题，很多 API 都不是很明确。
因为管理内存的问题，很多程序倾向于使用它们自己的内存管理规则。C++ 的异常处理使得这项任务更成问题。有时好像致力于管理内存分配和清理的代...
Java: difference between strong/soft/weak/phantom reference
...h references are cleared or themselves become unreachable." source: Java8 API Docs PhantomReference
– theRiley
Aug 28 at 19:17
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