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How to count the number of set bits in a 32-bit integer?
...ou may need to adjust it to work for a particular language (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i =...
“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
I'm calling functions from a 32-bit unmanaged DLL on a 64-bit system. What I get is:
20 Answers
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Pick a random element from an array
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326
Swift 4.2 and above
The new recommended approach is a built-in method on the Collection proto...
Does Notepad++ show all hidden characters?
...pt into your text. Usually you'll look at the white-space, and it will say 32 32 32 32, or for Unicode 32 00 32 00 32 00 32 00. You may find the problem this way, providing there isn't masses of code.
Download the Hex Plugin from here;
http://sourceforge.net/projects/npp-plugins/files/Hex%20Editor/...
How do CUDA blocks/warps/threads map onto CUDA cores?
...allocated (warps and shared memory) and threads are divided into groups of 32 threads called warps. Once a warp is allocated it is called an active warp. The two warp schedulers pick two active warps per cycle and dispatch warps to execution units. For more details on execution units and instruction...
Using bitwise OR 0 to floor a number
...twise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it's a bit
faster? (pun not intended)
http://jsperf.com/or-vs-floor/2 seems sli...
System.BadImageFormatException: Could not load file or assembly (from installutil.exe)
...e most common reason for this exception these days is attempting to load a 32 bit-specific (/platform:x86) DLL into a process that is 64 bit or vice versa (viz. load a 64 bit-specific (/platform:x64) DLL into a process that is 32 bit). If your platform is non-specific (/platform:AnyCpu), this won't ...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...♦Flexo
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How to convert an IPv4 address into a integer in C#?
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32-bit unsigned integers are IPv4 addresses. Meanwhile, the IPAddress.Address property, while deprecated, is an Int64 that returns the unsigned 32-bit value of the IPv4 address (the catch is, it's in network byte order, so yo...
C# - how to determine whether a Type is a number
...ine whether or not a given .Net Type is a number? For example: System.UInt32/UInt16/Double are all numbers. I want to avoid a long switch-case on the Type.FullName .
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