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Create a CSS rule / class with jQuery at runtime
...
Here is a jquery plugin that allows you to inject CSS:
https://github.com/kajic/jquery-injectCSS
Example:
$.injectCSS({
"#my-window": {
"position": "fixed",
"z-index": 102,
"display": "none",
"top": "50%",
"left": "50%"
}
});
...
Generate random 5 characters string
...ile or something predictable like /dev/zero. mt_rand() considered harmful:
https://spideroak.com/blog/20121205114003-exploit-information-leaks-in-random-numbers-from-python-ruby-and-php
EDIT:
If you have OpenSSL support in PHP, you could use openssl_random_pseudo_bytes():
<?php
$length = 5;...
How to create the perfect OOP application [closed]
.... NSpring)
design patterns
SOLID principle
I would like to recomend the www.dimecasts.net as impressive source of free, good quality screencasts which covers all above mentioned topics.
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Why check both isset() and !empty()
...et: '" . isset($s) . "'. ";
print "!empty: '" . !empty($s) . "'";
?>
https://3v4l.org/J4nBb
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Can I define a class name on paragraph using Markdown?
...er.
A simple paragraph with a class attribute.
{:.yourClass}
Reference: https://kramdown.gettalong.org/syntax.html#inline-attribute-lists
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fol...
jquery if div id has children
...kground: #9f9;
}
.failure {
background: #f99;
}
<script src="https://code.jquery.com/jquery-1.12.2.min.js"></script>
<div id="test">
<span>Children</span>
</div>
<div id="test2">
No children
</div>
The vanilla JS way
If...
Maven: Non-resolvable parent POM
...t;
<name>internal repository</name>
<url>https://my/private/repo</url>
<layout>default</layout>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<ena...
Fixed page header overlaps in-page anchors
...html {
scroll-padding-top: 70px; /* height of sticky header */
}
from: https://css-tricks.com/fixed-headers-on-page-links-and-overlapping-content-oh-my/
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...option appears to do what you want and the C source is available at http://www.koders.com/c/fid39344DABD14604E70DF1B8FEA7D920A94AF78BF8.aspx.
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fo...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...的将做的工作打好基础。
转载自：http://www.oschina.net/translate/zmq-concepts
ZMQ 0MQ ZeroMQ