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What does $1 [QSA,L] mean in my .htaccess file?
...ce to give a complete tutorial, but here it is in short;
RewriteCond basically means "execute the next RewriteRule only if this is true". The !-l path is the condition that the request is not for a link (! means not, -l means link)
The RewriteRule basically means that if the request is done that m...
Force git stash to overwrite added files
...t stash apply:
$ git checkout stash -- .
$ git commit
This will restore all the files in the current directory to their stashed version.
If there are changes to other files in the working directory that should be kept, here is a less heavy-handed alternative:
$ git merge --squash --strategy-o...
Looking for files NOT owned by someone
...s -I{} -P3 -- ${cmdhere} {} can have ${cmdhere} operate on each file in parallel. cmdhere ::= standard unix utils; standard unix utils ::= chmod, chown, stat, ls, ...
– Dwight Spencer
Mar 4 '14 at 7:12
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Usage of @see in JavaDoc?
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* Works like {@link #methodB}, but ...
*/
When the fact that methodA calls methodB is an implementation detail and there is no real relation from the outside, you don't need a link here.
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Convert decimal to binary in python [duplicate]
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all numbers are stored in binary. if you want a textual representation of a given number in binary, use bin(i)
>>> bin(10)
'0b1010'
>>> 0b1010
10
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Ruby on Rails form_for select field with class
I am beating my head against the wall on this one. I want to make a simple select tag using the f.select tag but nothing I do works. I put an example below:
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Create module variables in Ruby
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+1 Actually, I have been thinking that the term 'class variable' is misleading. Classes are special cases of modules, and class variables are definable on modules. They should be called module variables.
– sawa...
How does the main() method work in C?
...d nothing bad happens with their given compiler.
This is the case if the calling conventions are such that:
The calling function cleans up the arguments.
The leftmost arguments are closer to the top of the stack, or to the base of the stack frame, so that spurious arguments do not invalidate the ...
In CoffeeScript how do you append a value to an Array?
...re correct, it does replace it, not append. The point is, however, that usually when you are pushing, you are often doing something quite like an array comprehension anyway. Not in all cases, admittedly, but a lot of the time.
– suranyami
Feb 26 '12 at 8:32
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Is volatile expensive?
...Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effective...