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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
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How do I debug an MPI program?
I have an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having ea...
Git blame — prior commits?
Is it possible to see who edited a specific line before the commit reported by git blame , like a history of commits for a given line?
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Once upon a time, when > was faster than < … Wait, what?
..., flipping the sign of Z and the depth test is nothing but changing a < comparison to a > comparison. So, if I understand correctly and the author isn't lying or making things up, then changing < to > used to be a vital optimization for many games.
I didn't explain that particularly we...
How to configure Ruby on Rails with no database?
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Uncomment this line in the environment.rb file:
config.frameworks -= [ :active_record, :active_resource, :action_mailer]
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Where does Visual Studio look for C++ header files?
...++ application from SourceForge (HoboCopy, if you're curious) and tried to compile it.
6 Answers
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Using do block vs braces {}
...de:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxError: compile error
Second example only works when parentheses is used, 1.upto(3) { |x| puts x }
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ctypes - Beginner
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void myprint(void);
void myprint()
{
printf("hello world\n");
}
Now compile it as a shared library (mac fix found here):
$ gcc -shared -Wl,-soname,testlib -o testlib.so -fPIC testlib.c
# or... for Mac OS X
$ gcc -shared -Wl,-install_name,testlib.so -o testlib.so -fPIC testlib.c
Then, write...
NSObject +load and +initialize - What do they do?
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