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CSS last-child selector: select last-element of specific class, not last child inside of parent?

...s now in reversed order. Here is a working example for you: <!doctype html> <head><title>CSS Test</title> <style type="text/css"> .some-class { margin: 0; padding: 0 20px; list-style-type: square; } .lfloat { float: left; display: block; } .rfloat { float: right; disp...
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All falsey values in JavaScript

...b) "", '' and `` - strings of length 0 null undefined NaN document.all (in HTML browsers only) This is a weird one. document.all is a falsey object, with typeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was added to the HTML spec as a "willful violation of the J...
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In where shall I use isset() and !empty()

...t() is not an effective way to validate text inputs and text boxes from a HTML form. 17 Answers ...
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How to close current tab in a browser window?

...ose_window() { if (confirm("Close Window?")) { close(); } } with HTML: <a href="javascript:close_window();">close</a> or: <a href="#" onclick="close_window();return false;">close</a> You return false here to prevent the default behavior for the event. Otherwis...
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fastest MD5 Implementation in JavaScript

...); return (p(a) + p(b) + p(c) + p(d)).toLowerCase() }; <!DOCTYPE html> <html> <body onload="md5.value=MD5(a.value);"> <form oninput="md5.value=MD5(a.value)">Enter String: <input type="string" id="a" name="a" value="https://www.zibri.org"></br></br&...
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Read .mat files in Python

...Official SciPy.io tutorial: docs.scipy.org/doc/scipy/reference/tutorial/io.html – Franck Dernoncourt Mar 17 '14 at 14:09 19 ...
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Shuffling a list of objects

... len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation. Here's a simple version using random.sample() that returns the shuffled result as a new list. import random a = range(5) b = random.sample(a, len(a)) print a, b, "two list s...
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deny direct access to a folder and file by htaccess

... then you can define a command as follows: ErrorDocument 404 "/errors/404.html" It will redirect to the /errors/404.html and show the custom page not found screen.
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AngularJS : ng-model binding not updating when changed with jQuery

This is my HTML: 10 Answers 10 ...
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On a CSS hover event, can I change another div's styling? [duplicate]

... Yes, you can do that, but only if #b is after #a in the HTML. If #b comes immediately after #a: http://jsfiddle.net/u7tYE/ #a:hover + #b { background: #ccc } <div id="a">Div A</div> <div id="b">Div B</div> That's using the adjacent sibling combinat...