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How to pipe input to a Bash while loop and preserve variables after loop ends
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The correct notation for Process Substitution is:
while read i; do echo $i; done < <(echo "$FILECONTENT")
The last value of i assigned in the loop is then available when the loop terminates.
An alternative is:
echo $FILECON...
How to intercept all AJAX requests made by different JS libraries
...n case the logged user session expired (response gets back with 401 Unauthorized status), to redirect him to the login page.
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How to properly ignore exceptions
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try:
doSomething()
except:
pass
or
try:
doSomething()
except Exception:
pass
The difference is that the first one will also catch KeyboardInterrupt, SystemExit and stuff like that, which are derived directly from exceptions.BaseException, not ex...
Difference between add(), replace(), and addToBackStack()
... to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here.
3) fragmentTransaction.add(int containerViewId, Fragment fragment, String...
How do I type using my keyboard on the iphone simulator?
...e able to type with my real mac keyboard after launching the iPhone Simulator. Typing with the on-screen simulator keyboard is just horrible when testing with large amounts of text.
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Create Git branch with current changes
I started working on my master branch thinking that my task would be easy. After a while I realized it would take more work and I want to do all this work in a new branch.
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What is the Sign Off feature in Git for?
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Sign-off is a requirement for getting patches into the Linux kernel and a few other projects, but most projects don't actually use it.
It was introduced in the wake of the SCO lawsuit, (and other accusations of copyright infringement from SCO, most of...
Difference between static memory allocation and dynamic memory allocation
I would like to know what is the difference between static memory allocation and dynamic memory allocation?
7 Answers
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Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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Execute command on all files in a directory
...ebody please provide the code to do the following:
Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output into one big...