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Programmatically get the version number of a DLL

... This works if the dll is .net or Win32. Reflection methods only work if the dll is .net. Also, if you use reflection, you have the overhead of loading the whole dll into memory. The below method does not load the assembly into memory. // Get the file versio...
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How do you calculate log base 2 in Java for integers?

...e function that I use for this calculation: public static int binlog( int bits ) // returns 0 for bits=0 { int log = 0; if( ( bits & 0xffff0000 ) != 0 ) { bits >>>= 16; log = 16; } if( bits >= 256 ) { bits >>>= 8; log += 8; } if( bits >= 16 ) { bits >...
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When should I use the “strictfp” keyword in java?

... Use it for reproducible scientific results and bit-exact unit tests. – Aleksandr Dubinsky Jul 3 '14 at 19:49 2 ...
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What data type to use for hashed password field and what length?

...) function to reduce a string of hex digits by half. MD5 generates a 128-bit hash value. You can use CHAR(32) or BINARY(16) SHA-1 generates a 160-bit hash value. You can use CHAR(40) or BINARY(20) SHA-224 generates a 224-bit hash value. You can use CHAR(56) or BINARY(28) SHA-256 generates a 256...
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How do I expire a PHP session after 30 minutes?

... session handler, your filesystem must keep track of access times (atime). Windows FAT does not so you will have to come up with another way to handle garbage collecting your session if you are stuck with a FAT filesystem or any other filesystem where atime tracking is not available. Since PHP 4.2.3...
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difference between #if defined(WIN32) and #ifdef(WIN32)

...ME) can do compound conditionals. For example in your case: #if defined(WIN32) && !defined(UNIX) /* Do windows stuff */ #elif defined(UNIX) && !defined(WIN32) /* Do linux stuff */ #else /* Error, both can't be defined or undefined same time */ #endif ...
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Expand a random range from 1–5 to 1–7

... This is equivalent to Adam Rosenfield's solution, but may be a bit more clear for some readers. It assumes rand5() is a function that returns a statistically random integer in the range 1 through 5 inclusive. int rand7() { int vals[5][5] = { { 1, 2, 3, 4, 5 }, { 6, 7...
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Setting the filter to an OpenFileDialog to allow the typical image formats?

...an example of the ImageCodecInfo suggestion (in VB): Imports System.Drawing.Imaging ... Dim ofd as new OpenFileDialog() ofd.Filter = "" Dim codecs As ImageCodecInfo() = ImageCodecInfo.GetImageEncoders() Dim sep As String = String.Empty ...
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How to convert byte array to string and vice versa?

... CoasterChris 7111 silver badge1010 bronze badges answered Oct 8 '09 at 7:21 omerkudatomerkudat 8,11944 gold ...
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How can I make robocopy silent in the command line except for progress?

... I added the following 2 parameters: /np /nfl So together with the 5 parameters from AndyGeek's answer, which are /njh /njs /ndl /nc /ns you get the following and it's silent: ROBOCOPY [source] [target] /NFL /NDL /NJH /NJS /nc /ns /np /NFL...