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Insert a line at specific line number with sed or awk
I have a script file which I need to modify with another script to insert a text at the 8th line.
9 Answers
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Full-screen iframe with a height of 100%
...ry nicely for me (only if iframe content comes from the same domain):
<script type="text/javascript">
function calcHeight(iframeElement){
var the_height= iframeElement.contentWindow.document.body.scrollHeight;
iframeElement.height= the_height;
}
</script>
<iframe src="./pag...
Cloning a MySQL database on the same MySql instance
I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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How to find out which processes are using swap space in Linux?
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The best script I found is on this page : http://northernmost.org/blog/find-out-what-is-using-your-swap/
Here's one variant of the script and no root needed:
#!/bin/bash
# Get current swap usage for all running processes
# Erik Lju...
Installing python module within code
I need to install a package from PyPi straight within my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
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Setting Curl's Timeout in PHP
... //timeout in seconds
also don't forget to enlarge time execution of php script self:
set_time_limit(0);// to infinity for example
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A CSS selector to get last visible div
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You could select and style this with JavaScript or jQuery, but CSS alone can't do this.
For example, if you have jQuery implemented on the site, you could just do:
var last_visible_element = $('div:visible:last');
Although hopefully you'll have a class/ID wrappe...
What is “X-Content-Type-Options=nosniff”?
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Description
Setting a server's X-Content-Type-Options HTTP response header to nosniff instructs browsers to disable content or MIME sniffing which is used to override response Content-Type headers to guess and process the data ...
Download File Using jQuery
...llowing
window.location.href = 'uploads/file.doc';
});
<a href="no-script.html">Download now!</a>
Even if there's no Javascript, at least this way the user will get some feedback.
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How to center text vertically with a large font-awesome icon?
...iv:hover {background-color: hsla(212, 100%, 63%, 1);cursor: pointer;}
<script src="https://use.fontawesome.com/releases/v5.0.8/js/all.js"></script>
<div class="icon-camera">
<i class='fas fa-camera'></i>
hello world
</div>
<div class="icon-clock"&...