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When should I use perror(“…”) and fprintf(stderr, “…”)?
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Calling perror will give you the interpreted value of errno, which is a thread-local error value...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...s a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSInteger is 32-bit or 64-bit, depending on the platform, the compiler recommends
to add a cast to long generally.
Update: Since iOS 7 supports 64-b...
How do I assign an alias to a function name in C++?
... `std::bind`
greet_a = std::bind(greet, a, std::placeholders::_1);
greet_a(3); // equivalent to greet(a, 3) => a.f(3);
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What is Erlang written in?
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ham-sandwich
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answered Feb 13 '09 at 15:05
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How do I switch to another subversion branch in Intellij?
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Louis St-Amour
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answered Oct 19 '09 at 16:35
PeterPPeterP
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How do I get into a non-password protected Java keystore or change the password?
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edited Apr 17 '13 at 0:34
answered Dec 27 '11 at 1:37
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Is log(n!) = Θ(n·log(n))?
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307
Remember that
log(n!) = log(1) + log(2) + ... + log(n-1) + log(n)
You can get the upper bo...
Multiply TimeSpan in .NET
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103
From this article
TimeSpan duration = TimeSpan.FromMinutes(1);
duration = TimeSpan.FromTicks(du...
PDO Prepared Inserts multiple rows in single query
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153
Multiple Values Insert with PDO Prepared Statements
Inserting multiple values in one execute st...
powershell 2.0 try catch how to access the exception
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edited Oct 18 '18 at 9:43
Panomosh
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answered Feb 2 ...