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Difference between return and exit in Bash functions
...return has nothing to do with exit codes. Exit codes are intended for applications/scripts, not functions. So in this regard, the only keyword that sets the exit code of the script (the one that can be caught by the calling program using the $? shell variable) is exit.
EDIT 2:
My last statement re...
Delete text in between HTML tags in vim?
...ludes the actual tags. cit which is like dit but enters insert mode after. cat which is like dat but enters insert mode after. Also di" and di( for delete inner double quote and delete inner parenthesis respectively.
– aiham
Jun 22 '12 at 0:05
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How to store standard error in a variable
...ROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard output to a file, so that you...
How can I check if a key is pressed during the click event with jQuery?
I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I can fork within the callback function based on the keypress event.
...
bash assign default value
...xplicitly set WITH_PERL to a value other than "no" to have it built in.
$ cat defvar.sh
#!/bin/bash
WITH_PERL=${WITH_PERL:-no}
if [[ "$WITH_PERL" != no ]]; then
echo "building with perl"
# ./configure --enable=perl
else
echo "not building with perl"
# ./configure
fi
Build withou...
Android: Create spinner programmatically from array
...spinner
Spinner spinner = (Spinner) findViewById(R.id.myspinner);
// Application of the Array to the Spinner
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, colors);
spinnerArrayAdapter.setDropDownViewResource(android.R.l...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
... consuming it, or for what reasons. If JSON is used as a method of communication between many producers and consumers, then the technology stack of the producer should not be a consideration.
– Robbie Wareham
May 14 '18 at 16:15
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How to exclude file only from root folder in Git
...everal config.php files in source tree and I need to exclude only one, located in the root while other keep under revision control.
...
Centering a div block without the width
...exbox support) but this method also allows many other things, and is a dedicated CSS rule for this type of behavior:
HTML:
<div class="container">
<div class="centered">This content is centered</div>
</div>
CSS:
.container {
display: flex;
flex-direction: column; /...
Append column to pandas dataframe
...
Or pd.concat([dat1, dat2], axis=1) in this case.
– DSM
Dec 16 '13 at 3:35
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