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How to identify platform/compiler from preprocessor macros?
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See: http://predef.sourceforge.net/index.php
This project provides a reasonably comprehensive listing of pre-defined #defines for many operating systems, compilers, language and platform standards, and standard libraries.
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OS detecting makefile
... this breaks on osx too. /bin/sh: -c: line 0: syntax error near unexpected token ,Windows_NT' /bin/sh: -c: line 0: ifeq (,Windows_NT)' make: *** [os] Error 2
– k107
Dec 2 '16 at 7:58
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Webrick as production server vs. Thin or Unicorn?
...e that has multiple components, and maybe one section is Rails, another is PHP, and rewrites are needed for both (i.e. rewrite old PHP paths to Rails)
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How can I default a parameter to Guid.Empty in C#?
...lt to a new object creates a new object every time the method is called in PHP; but only creates one object for the entire program in Python. Really, I consider this to be one of the very few design flaws of Python. I'm somewhat glad C# (and VB.Net) avoided this issue by simply disallowing new obj...
How to search for occurrences of more than one space between words in a line
...ase it's a good practice to add ? , like this .*?. It happened to me using PHP's PCRE
– AlexanderMP
Sep 21 '10 at 9:35
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django - why is the request.POST object immutable?
... allow substantial optimizations. An object is immutable means that we can allocate space for it at creation time, and the space requirements are not changing. It also has things like copy efficiency and comparison efficiency because of it.
Edit: this is not the case for QueryDict as Gareth Rees p...
How do I copy the contents of one stream to another?
...d that 4096 is actually faster than 32K. Something to do with how the CLR allocates chunks over a certain size. Because of this, the .NET implementation of Stream.CopyTo apparently uses 4096.
– Jeff
Feb 18 '12 at 0:03
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What are the differences between ArrayList and Vector?
...%, you can avoid this by ensurecapacity() method to make sure that you are allocating sufficient memory at the initial stages itself.
Hope it helps.
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Basic HTTP authentication with Node and Express 4
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Use Buffer.from() // for strings or Buffer.alloc() // for numbers as Buffer() is deprecated due to security issues.
– Mr. Alien
Feb 25 at 6:56
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Check if a given key already exists in a dictionary
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this also avoids an extra allocation. (important for making tight loops a bit faster)
– nurettin
Dec 9 '18 at 9:19
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