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In JavaScript, is returning out of a switch statement considered a better practice than using break?
...s for me... here's a simple test: var o={1:"One",2:"Two",3:"Three"},opt=2; alert(opt in o?o[opt]:"");
– ic3b3rg
May 24 '11 at 19:12
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How to detect the OS from a Bash script?
...ve some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...d; this is the current directory (which is not necessarily the same as the script's directory). It is missing in Perl 5.26+, and when Perl runs with -T (taint checks enabled).
To change the default path when configuring Perl binary compilation, set the configuration option otherlibdirs:
Configu...
Validating parameters to a Bash script
...king if the directories exist at first, so I added that in, completing the script. Also, have addressed issues raised in comments; fixed the regular expression, switched from == to eq.
This should be a portable, POSIX compliant script as far as I can tell; it doesn't use any bashisms, which is actu...
Echo equivalent in PowerShell for script testing
I would like to output variables and values out in a PowerShell script by setting up flags and seeing the data matriculate throughout the script.
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How can I check for “undefined” in JavaScript? [duplicate]
... use setTimeout because someone can
window.setTimeout = function () {
alert("Got you now!");
};
Bottom line, the "it can be redefined" argument to not use a raw === undefined is bogus.
(If you are still scared of undefined being redefined, why are you blindly integrating untested library co...
“Eliminate render-blocking CSS in above-the-fold content”
...rmance, and so far it's proven extremely successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the...
bash: shortest way to get n-th column of output
...
Because you seem to be unfamiliar with scripts, here is an example.
#!/bin/sh
# usage: svn st | x 2 | xargs rm
col=$1
shift
awk -v col="$col" '{print $col}' "${@--}"
If you save this in ~/bin/x and make sure ~/bin is in your PATH (now that is something you can ...
rvm installation not working: “RVM is not a function”
...
You need to run the following
$ source ~/.rvm/scripts/rvm
then run this
$ type rvm | head -n 1
and if you get
rvm is a function
the problem is solved.
You also need to run user$ rvm requirements to see dependency requirements for your operating system
Source: h...
How do I pass command line arguments to a Node.js program?
...launch with a specific folder. I'm not sure how to access arguments in JavaScript. I'm running node like this:
33 Answers
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