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Actual meaning of 'shell=True' in subprocess
... user's choosing and is platform-dependent. Generally speaking, avoid invocations via the shell.
Invoking via the shell does allow you to expand environment variables and file globs according to the shell's usual mechanism. On POSIX systems, the shell expands file globs to a list of files. On Wi...
Adding additional data to select options using jQuery
...1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select>
Code
// JavaScript using jQuery
$(function(){
$('select').change(function(){
var selected = $(this)....
Is it possible to display inline images from html in an Android TextView?
.... If you can add any images you want to display as resources in your application the your ImageGetter implementation becomes a lot simpler. You could get away with something like:
private class ImageGetter implements Html.ImageGetter {
public Drawable getDrawable(String source) {
int...
vim command to restructure/force text to 80 columns
...or your example.
$ echo -e 'long line is long!\nshort' > 3033423.txt
$ cat 3033423.txt
long line is long!
short
$ fmt -w 13 3033423.txt
long line is
long! short
$ par 13gr 3033423.txt
long line is
long! short
To use from inside Vim:
:%! fmt -w 13
:%! par 13gr
You can also set :formatprg to...
Convert ArrayList to String[] array [duplicate]
...
According to Joshua Bloch in Effective Java, preallocating the array harms performance. Provide a zero-length array instead. stockList.toArray(new String[0])
– Crashh
Mar 10 '18 at 3:20
...
Push existing project into Github
...so, I think you can no longer just do git add ., you should change that to cat "# reponamehere" >README.md and then git add README.md. That's how the GitHub documentation says to do it
– MD XF
Oct 30 '16 at 0:54
...
Unable to set data attribute using jQuery Data() API
...bedded dashes was changed in jQuery 1.6 to conform to the W3C HTML5 specification.
So for <div data-role="page"></div> the following is true $('div').data('role') === 'page'
I'm fairly sure that $('div').data('data-role') worked in the past but that doesn't seem to be the case any mor...
A non-blocking read on a subprocess.PIPE in Python
... edited Nov 20 '13 at 2:41
Catskul
14.9k1212 gold badges7171 silver badges108108 bronze badges
answered Nov 27 '09 at 21:33
...
Git rebase: conflicts keep blocking progress
... restore the original branch and stop rebasing run "git rebase --abort".
$ cat version.txt
<<<<<<< HEAD
v1.4-alpha-04
=======
v1.4-alpha-03
>>>>>>> v4
We resolve the conflict by selecting the master content of version.txt. We add the file and try to contin...
Timeout command on Mac OS X?
...lp/examples:
timeout.sh
#!/usr/bin/env bash
function show_help()
{
IT=$(cat <<EOF
Runs a command, and times out if it doesnt complete in time
Example usage:
# Will fail after 1 second, and shows non zero exit code result
$ timeout 1 "sleep 2" 2> /dev/null ; echo \$?
142
...