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PHP function to generate v4 UUID
...osest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should be in the form of:
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How to explicitly discard an out argument?
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Starting with C# 7.0, it is possible to avoid predeclaring out parameters as well as ignoring them.
public void PrintCoordinates(Point p)
{
p.GetCoordinates(out int x, out int y);
WriteLine($"({x}, {y})");
}
public void Print...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...ned behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense.
C++11 draft N3337: §5.4:1
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its t...
How to get the ThreadPoolExecutor to increase threads to max before queueing?
I've been frustrated for some time with the default behavior of ThreadPoolExecutor which backs the ExecutorService thread-pools that so many of us use. To quote from the Javadocs:
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Do you get charged for a 'stopped' instance on EC2? [closed]
Bit confused here, I have an on-demand instance but do I get charged even when I stop the instance?
4 Answers
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What is trunk, branch and tag in Subversion? [duplicate]
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The trunk is the main line of development in a SVN repository.
A branch is a side-line of development created to make larger, experimental or disrupting work without annoying users of the trunk version. Also, branches can be used to create development lines for multiple versions ...
Set focus on TextBox in WPF from view model
...ree parts.
I'm wondering what is "cs.txtCompanyID" in your example? Is it a TextBox control? If yes, then you are on a wrong way. Generally speaking it's not a good idea to have any reference to UI in your ViewModel. You can ask "Why?" but this is another question to post on Stackoverflow :).
Th...
How to stop Gradle task execution in Android Studio?
Is there any legitimate way of Gradle task(s) execution stopping in Android Studio?
16 Answers
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elasticsearch v.s. MongoDB for filtering application [closed]
This question is about making an architectural choice prior to delving into the details of experimentation and implementation. It's about the suitability, in scalability and performance terms, of elasticsearch v.s. MongoDB, for a somewhat specific purpose.
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How do I convert an enum to a list in C#? [duplicate]
...follow
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edited Oct 24 '12 at 15:18
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