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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
55 Answers
55
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What is the meaning of polyfills in HTML5?
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A polyfill is a browser fallback, made in JavaScript, that allows functionality you expect to work in modern browsers to work in older browsers, e.g., to support canvas (an HTML5 feature) in older browsers.
It's sort of an HTML5 technique, since it is used in conjunctio...
Check if an apt-get package is installed and then install it if it's not on Linux
...ation as it stands. However you can't simply rely on return codes here for scripting or the output/lack of output alone for scripting. You would have to scan the output of these commands, limiting their usefulness for this question.
– UpAndAdam
Apr 30 '13 at 14...
PHP page redirect [duplicate]
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Using a javascript as a failsafe will ensure the user is redirected (even if the headers have already been sent). Here you go:
// $url should be an absolute url
function redirect($url){
if (headers_sent()){
die('<script typ...
Difference between `npm start` & `node app.js`, when starting app?
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From the man page, npm start:
runs a package's "start" script, if one was provided.
If no version is specified, then it starts the "active" version.
Admittedly, that description is completely unhelpful, and that's all it says. At least it's more documented than socket.io.
An...
Creating temporary files in bash
Are there objectively better ways to create temporary files in bash scripts?
5 Answers
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How to get users to read error messages?
...tatus bar!
Make the messages short, do not use intimidating words such as 'Alert: the system encountered a problem', the end-user is going to hit the panic button and will over-react...
No matter how hard you try, do not use colours to identify the message...psychologically, it's akin to waving a re...
Is it possible to set a custom font for entire of application?
... Just wanted to add that above code just covers TextViews but ListViews, Alerts, Toasts, Map Markers etc. will still use the system font.
– csch
May 2 '13 at 10:50
2
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How to create a bash script to check the SSH connection?
I am in the process of creating a bash script that would log into the remote machines and create private and public keys.
1...
Meaning of $? (dollar question mark) in shell scripts
...ile non-zero values are mapped to various reason for failure.
Hence when scripting; I tend to use the following syntax
if [ $? -eq 0 ]; then
# do something
else
# do something else
fi
The comparison is to be done on equals to 0 or not equals 0.
** Update Based on the comment: Ideally, you sh...