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Checking if sys.argv[x] is defined
What would be the best way to check if a variable was passed along for the script:
8 Answers
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Cannot install node modules that require compilation on Windows 7 x64/VS2012
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Excellent, I was getting the error when running a set of scripts that invoked npm deep in the bowels. I didn't want to modify the scripts , so this was the best option for me
– Alastair
May 13 '15 at 6:48
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Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...soft just had to tinker with it, didn't they?
<!--[if lte IE 8]><script src="ie8-html5.js"></script><![endif]-->
Apart from this, I'm actually enjoying Internet Explorer, which makes for a change.
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Filename too long in Git for Windows
...git config --system core.longpaths true
Git is build as a combination of scripts and compiled code. With the above change some of the scripts might fail. That's the reason for core.longpaths not to be enabled by default.
The windows documentation at https://docs.microsoft.com/en-us/windows/deskto...
Can I use a hash sign (#) for commenting in PHP?
... think that the # form of commenting is primarily intended to make a shell script using the familiar "shebang" (#!) notation. In the following script, PHP should ignore the first line because it is also a comment. Example:
#!/usr/bin/php
<?php
echo "Hello PHP\n";
If you store it in an executa...
jQuery Popup Bubble/Tooltip [closed]
...ing that needs to happen still but this is basically the code i used.
<script type="text/javascript">
//--indicates the mouse is currently over a div
var onDiv = false;
//--indicates the mouse is currently over a link
var onLink = false;
//--indicates that the bubble curre...
How to manually expand a special variable (ex: ~ tilde) in bash
I have a variable in my bash script whose value is something like this:
15 Answers
15
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Run PostgreSQL queries from the command line
...his has another advantage too. If you have to change the query for a large script you do not need to touch the script file or command. Only change the SQL file like this
psql -h localhost -d database -U postgres -p 5432 -a -q -f /path/to/the/file.sql
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How to remove all .svn directories from my application directories
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In Windows, you can use the following registry script to add "Delete SVN Folders" to your right click context menu. Run it on any directory containing those pesky files.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shell\DeleteSVN]
@...
How do I kill all the processes in Mysql “show processlist”?
...ill them one by one, MySQL does not have any massive kill command. You can script it in any language, for example in PHP you can use something like:
$result = mysql_query("SHOW FULL PROCESSLIST");
while ($row=mysql_fetch_array($result)) {
$process_id=$row["Id"];
if ($row["Time"] > 200 ) {
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