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What is the !! (not not) operator in JavaScript?
... Partial Obscurity:
val.enabled = (userId != 0) ? true : false;
// And finally, much easier to understand:
val.enabled = (userId != 0);
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Mixing Angular and ASP.NET MVC/Web api?
...ular/REST(WebApi) gives a richer and smoother result. It's much faster and allows you to build websites that come quite close to desktop applications, without any funky hacks.
Angular does have a little learning curve, but once your team has mastered it, you'll build much better websites in less t...
Understanding colors on Android (six characters)
...
here you find all values : dtp-aus.com/hexadeci.htm and you can get alpha 0-100 by divide the number by 255 and multiple it by 100. hope it helps you
– Niib Fouda
Oct 17 '16 at 10:44
...
Is String.Format as efficient as StringBuilder
... ((format == null) || (args == null))
{
throw new ArgumentNullException((format == null) ? "format" : "args");
}
StringBuilder builder = new StringBuilder(format.Length + (args.Length * 8));
builder.AppendFormat(provider, format, args);
return builder.ToString();
}
The...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...er();
threads[i].start();
}
}
public void execute(Runnable r) {
synchronized(queue) {
queue.addLast(r);
queue.notify();
}
}
private class PoolWorker extends Thread {
public void run() {
Runnab...
How can I merge two commits into one if I already started rebase?
...7d8b496ea00d5488481db5 a
That is, a was the first commit, then b, and finally c. After committing c we decide to squash b and c together:
(Note: Running git log pipes its output into a pager, less by default on most platforms. To quit the pager and return to your command prompt, press the q key.)...
Autowiring two beans implementing same interface - how to set default bean to autowire?
...ation solved the problem - now the autowire-candidate property works as I expected.
– simon
May 10 '12 at 12:45
Thanks...
Producing a new line in XSLT
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IMHO no more info than @Florjon gave is needed. Maybe some small details are left to understand why it might not work for us sometimes.
First of all, the &#xa (hex) or &#10 (dec) inside a <xsl:text/> will always work, but you may not see it.
There is no newline in a H...
Best way to check if a Data Table has a null value in it
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I usually create an "Extensions" folder in some common library or in my DAL. Create a file called "DataTableExtensions.cs" and add that method. Next you would just add "using Name.Space.Extensions" to your cs files and have access...
What's “tools:context” in Android layout files?
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That attribute is basically the persistence for the "Associated Activity" selection above the layout. At runtime, a layout is always associated with an activity. It can of course be associated with more than one, but at least one. In the tool, we ...