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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ws 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.html
‘-g’ ‘--general-numeric-sort’
‘--sort=general-numeric’ Sort
numerically, using the standard C
function strtod to convert a prefix of
each line to a double-precision
flo...
CSS: Set a background color which is 50% of the width of the window
...Backgrounds with background-size:
You can apply a background color to the html element, and then apply a background-image to the body element and use the background-size property to set it to 50% of the page width. This results in a similar effect, though would really only be used over gradients if...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...ecommend Jan Wolter's JavaScript key handling article: unixpapa.com/js/key.html I've used it for reference many times and not found an error.
– Tim Down
May 25 '10 at 18:30
3
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How to dynamically create CSS class in JavaScript and apply?
...ate a CSS stylesheet class dynamically in JavaScript and assign it to some HTML elements like - div, table, span, tr, etc and to some controls like asp:Textbox, Dropdownlist and datalist.
...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
...SQL 5.0). See the documentation: dev.mysql.com/doc/refman/5.0/en/timestamp.html
– SimonSimCity
Jan 21 '12 at 11:32
Cou...
Slow Requests on Local Flask Server
...e useful: Windows techunboxed.com/2012/08/how-to-disable-ipv6-in-windows-8.html Ubuntu noobslab.com/2012/05/disable-ipv6-if-your-internet-is.html
– Larry Eitel
Jan 21 '13 at 14:18
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Using margin:auto to vertically-align a div
...
Edit: it's 2020, I would use flex box instead.
Original answer:
Html
<body>
<div class="centered">
</div>
</body>
CSS
.centered {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
...
Recommended website resolution (width and height)? [closed]
...
Bad advice. Who said that HTML is not for layout? Liquid layouts are so 90's, where the difference in resolution were relatively small. Try reading some texts at 10pt font on 2560x1600 screen without any imposed width limit. You'll start hating those ...
Download multiple files with a single action
...ide of them, wait for downloads to start and remove iframes:
<!DOCTYPE HTML>
<html>
<body>
<button id="download">Download</button>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<scrip...
Rails 4: List of available datatypes
...i.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/SchemaStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if y...