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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...t it's unlikely to be universally-applicable. I have a bunch of other Java-based software tat I run as well like Eclipse, JasperReports iReport, etc. that are all likely to be affected by this. I think I'd rather just move the JDK1.8 directory somewhere else and use that explicitly with JAVA_HOME fo...
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
I'm trying to compile a python extension with cython in win 7 64-bit using mingw (64-bit).
I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler)
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How to check if running in Cygwin, Mac or Linux?
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If I run a script under cygwin by executing "\cygwin64\bin\bash -c scriptname", this doesn't necessarily work. In this situation, the cygwin path doesn't get set up and uname -s ends up calling whatever uname is first in your current path, which on my system turns out to be t...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
..._WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (64-bit only)
#else
//define something for Windows (32-bit only)
#endif
#elif __APPLE__
#include <TargetConditionals.h>
...
How does this print “hello world”?
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The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|10111|11111|01111|01100|011...
Unexpected results when working with very big integers on interpreted languages
... supports arbitrary precision. It will produce the correct answer on 32 or 64 bit platforms.
This can be seen by raising 2 to a power far greater than the bit width of the platform:
>>> 2**99
633825300114114700748351602688L
You can demonstrate (with Python) that the erroneous values yo...
Abstract Class vs Interface in C++ [duplicate]
...ve body" - there is no can, pure virtual by definition have no body in the base class and they must have a body in the derived class. Also, you do not require the virtual keyword for multiple inheritance in C++. In fact, good design that uses multiple inheritance avoids the virtual keyword (well, th...
Convert RGB to RGBA over white
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FYI, posted final solution based on your answer in question
– Mark Kahn
Jul 12 '11 at 23:58
2
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How to set or change the default Java (JDK) version on OS X?
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A small fish function based on /usr/libexec/java_home
function jhome
set JAVA_HOME (/usr/libexec/java_home $argv)
echo "JAVA_HOME:" $JAVA_HOME
echo "java -version:"
java -version
end
If you don't use fish, you can do something s...
ArrayList vs List in C#
...ou can store an only value of Type T (string or int or employee or object) based on the declaration. (Note or)
Boxing and Unboxing will not happen.
Type safe.
It is newer.
Example:
ArrayList arrayList = new ArrayList();
List<int> list = new List<int>();
arrayList.Add(1);
arrayList.Ad...