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How can I use “:” as an AWK field separator?
...
If you want to do it programatically, you can use the FS variable:
echo "1: " | awk 'BEGIN { FS=":" } /1/ { print $1 }'
Note that if you change it in the main loop rather than the BEGIN loop, it takes affect for the next line read in, since the current l...
What is the use case of noop [:] in bash?
... to do.
while keep_waiting; do
: # busy-wait
done
The : builtin dates all the way back to the Thompson shell, it was present in Unix v6. : was a label indicator for the Thompson shell's goto statement. The label could be any text, so : doubled up as a comment indicator (if there is no goto comm...
SVN how to resolve new tree conflicts when file is added on two branches
...ing add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCase by the way):
a file is created twice (here "added" twice) in two different branches, creating two different histories for two different elements, but with the same name.
The theoretical solutio...
Environment variables in Mac OS X
...:want
launchctl setenv PATH $PATH
Environment variables are not automatically updated in running applications. You will need to relaunch applications to get the updated environment variables (although you can just set variables in your shell, e.g. PATH=whatever:you:want; there's no need to relaunc...
What is a Y-combinator? [closed]
...m the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
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how to remove shared preference while application uninstall in android
...nd password via SharedPreferences thats works fine, but i need to remove all my used SharedPreferences while my application uninstall. How to do it?
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Use Fieldset Legend with bootstrap
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Just wanted to summarize all the correct answers above in short. Because I had to spend lot of time to figure out which answer resolves the issue and what's going on behind the scenes.
There seems to be two problems of fieldset with bootstrap:
Th...
How do I clone a single branch in Git?
I have a local Git repository called 'skeleton' that I use for storing project skeletons. It has a few branches, for different kinds of projects:
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Using Git how do I find changes between local and remote
... to fetch new commits from your remote servers.
So, if you have a branch called master and a remote called origin, after running git fetch, you should also have a branch called origin/master. You can then get the git log of all commits that master needs to be a superset of origin/master by doing gi...
How can I test that a value is “greater than or equal to” in Jasmine?
.../jasmine-2.0.0/boot.js"></script>
Then in your boot.js add the call to add the matchers after jasmine has been defined but before jasmine.getEnv(). Get env is actually a (slightly misleadingly named) setup call.
The matchers get setup in the call to setupCoreMatchers in the Env construc...