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How to escape single quotes within single quoted strings
...d reopens the string.
I often whip up a "quotify" function in my Perl scripts to do this for me. The steps would be:
s/'/'\\''/g # Handle each embedded quote
$_ = qq['$_']; # Surround result with single quotes.
This pretty much takes care of all cases.
Life gets more fun when you introd...
Check if page gets reloaded or refreshed in JavaScript
...L in the browser's address bar, form submission, or initializing through a script operation other than reload and back_forward as listed below.
reload — Navigation is through the browser's reload operation or location.reload().
back_forward — Navigation is through the browser's history traversal...
How can I check if a directory exists in a Bash shell script?
...and can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Fastest Way to Serve a File Using PHP
...l_of_symlink);
Obviously you'll need a way to prune them either when the script to create them is called or via cron (on the machine if you have access or via some webcron service otherwise)
Under apache you need to be able to enable FollowSymLinks in a .htaccess or in the apache config.
Access ...
/bin/sh: pushd: not found
...y usable.) pushd is a shell builtin, just like cd.
So, either change your script to start with #!/bin/bash or store the current working directory in a variable, do your work, then change back. Depends if you want a shell script that works on very reduced systems (say, a Debian build server) or if y...
Bash script plugin for Eclipse? [closed]
...rsion 3(Bourne again shell). Plugin for Eclipse. Will only work with shell script editor ShellEd. basheclipse
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linux: kill background task
...ber. When you put a task in the background you'll see something like:
$ ./script &
[1] 35341
That [1] is the job number and can be referenced like:
$ kill %1
$ kill %% # Most recent background job
To see a list of job numbers use the jobs command. More from man bash:
There are a numbe...
update package.json version automatically
...command.
If you're not using any extension for git, you can write a shell script (I'll name it git-release.sh) and than you can alias it to git release with something like:
git config --global alias.release '!sh path/to/pre-release.sh $1'
You can, than, use git release 0.4 which will execute path...
SQL DROP TABLE foreign key constraint
... and newer, you can Right Click on the
DB -> Tasks -> Generate Scripts
Select the tables you want to DROP.
Select "Save to new query window".
Click on the Advanced button.
Set Script DROP and CREATE to Script DROP.
Set Script Foreign Keys to True.
Click OK.
Click Next -> Next ->...
How to make a promise from setTimeout
...
Update (2017)
Here in 2017, Promises are built into JavaScript, they were added by the ES2015 spec (polyfills are available for outdated environments like IE8-IE11). The syntax they went with uses a callback you pass into the Promise constructor (the Promise executor) which receiv...