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What does -D_XOPEN_SOURCE do/mean?
...ruct timespec
glibc feature test macros
The Compilation Environment - Open Group Base Specification issue 6 (a.k.a. X/Open 6)
POSIX - Wikipedia
Single UNIX Specification - Wikipedia
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What's the difference between JPA and Hibernate? [closed]
...entation defining its own mapping definition or client API. The JPA expert group gathered the best of all these tools and so they created the Java Persistence API standard.
A standard persistence API is very convenient from a client point of view, making it relatively easy to switch one implementat...
Using C# regular expressions to remove HTML tags
...In case you're wondering about those (?>...) constructs, they're atomic groups. They make the regex a little more efficient, but more importantly, they prevent runaway backtracking, which is something you should always watch out for when you mix alternation and nested quantifiers as I've done. ...
Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ?
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How can I position my div at the bottom of its container?
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I found more luck with .foot{display: table-footer-group}. I didn't need vertical-align, height, or border-collapse.
– Jacob Valenta
Mar 3 '15 at 21:35
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Node.js or Erlang
...nd non-blocking io.
Node has a pretty active community. Hop onto their IRC group on freenode and you'll see what I mean
I've noticed the above comments push Erlang on the basis that it will be useful to learn a functional programming language. While I agree it's important to expand your skillset and...
How is the Linux kernel tested ?
...entral testing facility, there is none." is about right. However different groups do varying levels of testing, it's not as though the kernel is completely untested.
– stsquad
Jul 5 '10 at 11:08
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Determine Whether Two Date Ranges Overlap
...tart:start' and 'end:end' relationships? I have no major issues with your groupings.
– Jonathan Leffler
Mar 10 '10 at 21:07
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Why does ++[[]][+[]]+[+[]] return the string “10”?
...othing, but if you want to verify that then feel free to read up about the grouping operator. So, the expression can be more clearly written as
( ++[[]][+[]] ) + ( [+[]] )
Breaking this down, we can simplify by observing that +[] evaluates to 0. To satisfy yourself why this is true, check out the...
Asynchronously wait for Task to complete with timeout
...", b);
// Version with timeout (short version that uses method groups).
int c = TimeoutAfter(MyFunc, TimeSpan.FromSeconds(1));
Console.Write("Result: {0}\n", c);
// Version that lets you see what happens when a timeout occurs.
try
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