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Best database field type for a URL
...ax) for SQLServer2005
varchar(65535) for MySQL 5.0.3 and later
This will allocate storage as need and shouldn't affect performance.
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...untime calls. Even STL usage is limited in that you have to provide custom allocators to use WIN32 memory management functions. The setup to do this with Developer Studio is a job in itself, but for an only-ever-WIN32 lib with the smallest possible footprint, it can be done. But yeah, it ain't blood...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
... i=[1:inf]
% do something
end
does not (because this one would require allocating infinite memory). See Loren's blog for details.
Also note that you can iterate over cell arrays.
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Where to store global constants in an iOS application?
...0 times and will only create it once. @"foo" is not the same as [[NSString alloc] initWithCString:"foo"].
– Abhi Beckert
Jul 19 '13 at 14:17
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How does this milw0rm heap spraying exploit work?
...inding feature of Microsoft's XML handler, that causes heap memory to be deallocated incorrectly.
Shellcode is machine code that will run when the bug occurs. Spray and memory are just some space allocated on the heap to help the exploitable condition occur.
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How to check if the string is empty?
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s.strip() allocates a new string, which is pure waste. Use string.isspace()
– Clément
Jun 22 at 15:27
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Remove specific characters from a string in Python
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This probably isn't performant because you're allocating a new string for every character
– OneCricketeer
Dec 3 '18 at 14:37
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The remote end hung up unexpectedly while git cloning
...t can increase memory consumption significantly since the entire buffer is allocated even for small pushes.
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Create array of regex matches
...o past that size with calls to add() you will have to bear with the memory allocation and array copy -- and that might happen a few times. Granted, if you expect just a few matches then your approach is the more efficient one; if however you find that the array "resizing" happens more than once I wo...
Java ByteBuffer to String
...wers may not work with a ByteBuffer that's been created through ByteBuffer.allocateDirect().
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