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Difference between require, include, require_once and include_once?
...on that you do not want to happen twice due to the HTTP overhead
But basically, it's up to you when to use which.
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How do I execute a program from Python? os.system fails due to spaces in path
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subprocess.call will avoid problems with having to deal with quoting conventions of various shells. It accepts a list, rather than a string, so arguments are more easily delimited. i.e.
import subprocess
subprocess.call(['C:\\Temp\\a b...
What is a callback?
What's a callback and how is it implemented in C#?
11 Answers
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How to deal with a slow SecureRandom generator?
If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty?
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When should you not use virtual destructors?
...to not declare a virtual destructor for a class? When should you specifically avoid writing one?
12 Answers
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
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When increment is called for a class, it might become non-equal to call post- or pre- increment, since it's behavior might differ much.
– mbaitoff
Jan 16 '11 at 15:48
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How to clone ArrayList and also clone its contents?
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You can't do it generically, though. clone() is not part of the Cloneable interface.
– Michael Myers♦
Apr 3 '09 at 20:47
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How to access outer class from an inner class?
... inner class of course does imply a relationship with the outer class, typically having to do with the implied usage scope of the inner class or otherwise an organizational namespace.
– Acumenus
Apr 7 '14 at 19:37
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Converting string to title case
...tleCase(title);
Console.WriteLine(title) ; //WAR AND PEACE
//You need to call ToLower to make it work
title = textInfo.ToTitleCase(title.ToLower());
Console.WriteLine(title) ; //War And Peace
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How to run a C# console application with the console hidden
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I was trying to hide my own console, not call something else and then hide it (like the accepted answer assumes) - so this was the best one for me. thanks!
– iamserious
Mar 15 '12 at 16:38
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