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I want to delete all bin and obj folders to force all projects to rebuild everything
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Hmm that's odd - it works fine on my machine (vista 64bit business) - I'll try it on an xp machine too.
– Steve Willcock
Apr 16 '09 at 12:53
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PyPy — How can it possibly beat CPython?
... the PyPy python interpreter however they change their implementation, allowing for much more freedom in experimentation to improve performance (without worrying about introducing GC bugs or updating the JIT compiler to cope with the changes). It also means when they get around to implementing a Pyt...
Maximum length for MD5 input/output
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MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically represented as a sequence of 32 hexadecimal digits.
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How to change the type of a field?
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And if you need to convert string (or "normal" 32-bit integer) to 64-bit integer, use NumberLong as here: db.db-name.find({field-name : {$exists : true}}).forEach( function(obj) { obj.field-name = new NumberLong(obj.field-name); db.db-name.save(obj); } );
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Base64 encoding in SQL Server 2005 T-SQL
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Get free disk space
...!GetDiskFreeSpaceEx(folderName, out free, out total, out dummy)) throw new Win32Exception(Marshal.GetLastWin32Error());. Quite convenient to find the code here anyway.
– Eugene Ryabtsev
Jun 26 '13 at 7:12
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What is the difference between float and double?
...7.
Here's how the number of digits are calculated:
double has 52 mantissa bits + 1 hidden bit: log(253)÷log(10) = 15.95 digits
float has 23 mantissa bits + 1 hidden bit: log(224)÷log(10) = 7.22 digits
This precision loss could lead to greater truncation errors being accumulated when repeated cal...
What is the fastest way to compute sin and cos together?
...ng of compiler flags for this to work, but:
$ gcc --version
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS...
Where is the Keytool application?
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keytool is part of the standard java distribution.
In a windows 64-bit machine, you would normally find the jdk at
C:\Program Files\Java\jdk1.8.0_121\bin
It is used for managing keys and certificates you can sign things with, in your case, probably a jar file.
If you provide more details...
Converting Long to Date in Java returns 1970
... of seconds, and multiply by a thousand. Note that the result must be a 64-bit long as we would overflow a 32-bit int.
long input = 1_220_227_200L; // Note the "L" appended to long integer literals.
long milliseconds = ( input * 1_000L ); // Use a "long", not the usual "int". Note the appended "L"....