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How can I get the URL of the current tab from a Google Chrome extension?
...window / popup (changing focus), but still wants to access tab information from the window where the extension was run.
I chose to use lastFocusedWindow: true in this example, because Google calls out cases in which currentWindow may not always be present.
You are free to further refine your tab q...
Can't install Ruby under Lion with RVM – GCC issues
...nt versions of XCode you need to install the command-line tools separately from the XCode menu -> Preferences -> Downloads -> Components. This is a pre-requisite for doing any compiling with XCode on the command-line, not just Ruby.
Note 2: If something doesn't work after following the ste...
return statement vs exit() in main()
...ata might not be flushed is in the opposite case: i.e. if one uses return from main() and one has called setbuf() or setvbuf() with a buffer declared as automatic storage in main() (as discussed in R.'s answer below). It's really too bad this question is tagged with both C and C++ (and coding-styl...
Git push requires username and password
I cloned a Git repository from my GitHub account to my PC.
24 Answers
24
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extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part...
Hiding a password in a python script (insecure obfuscation only)
...yption method you use. The requirement here was just to hide the password from someone just looking at the script while it was open. In this case base64 is preferable to rot13 as it is in the Python standard library.
– Dave Webb
Jun 18 '12 at 10:33
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The static keyword and its various uses in C++
...e scope (i.e. outside of functions and classes), then it can't be accessed from any other translation unit. This is known as "internal linkage" or "static storage duration". (Don't do this in headers except for constexpr. Anything else, and you end up with a separate variable in each translation un...
How do I get the result of a command in a variable in windows?
... with @PabloG's answer, this will only work to get the last line of output from the command, "date /t" in this case.
– John Meagher
Sep 20 '08 at 15:40
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How do I read from parameters.yml in a controller in symfony2?
...hod in the controller uses the container too, but it can only get services from a container, not parameters. You need getParameter to get parameters.
– Wouter J
Dec 16 '12 at 12:55
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How to strip all whitespace from string
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The accepted answer is old, from the times where almost noone used Python 3 and therefore does not cover Unicode strings. It also unnecessarily go into optimization, which was not asked for. That's why I updated this answer as the best, in my opinion.
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