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Entity Attribute Value Database vs. strict Relational Model Ecommerce
... Joomla (regular relational structure):
https://forum.virtuemart.net/index.php?topic=58686.0
It seems, that Magento's EAV performance is a real showstopper.
That's why I'm leaning towards a normalized structure. To overcome the lack of flexibility I'm thinking about adding some separate data dicti...
Base64Util 拓展：支持图像框、画布、文件、文本字符串、图像精灵base64编...
...g:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 ...
Capturing TAB key in text box [closed]
...vated.
A shortcut key could be useful however, especially with large code blocks and nesting. Shift-TAB is a bad option because that normally takes me to the previous field on a form. Maybe a new button on the WMD editor to insert a code-TAB, with a shortcut key, would be possible?
...
What's the best way to communicate between view controllers?
...ncount of aInstance by 1.
When deallocating bInstance, we will have memory blocked because aInstance can never be brought to 0 retaincount by bInstance reason being that bInstance itself is an object of aInstance.
Further, because of aInstance being stuck, the memory of bInstance will also be stuck...
Do rails rake tasks provide access to ActiveRecord models?
...s etc. will be available for the current environment from within each task block, unless you're using the production environment, in which case you need to require the specific models you want to use. Do this within the body of the task. (IIRC this varies between different versions of Rails.)
...
CSS endless rotation animation
...60deg); }
}
/* SPINNER JUST FOR DEMO */
.spinner{
display:inline-block; width: 50px; height: 50px;
border-radius: 50%;
box-shadow: inset -2px 0 0 2px #0bf;
}
<span class="spinner rotate"></span>
MDN - Web CSS Animation
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How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
...e the scrolling unit size (arrow buttons and arrow keys) and the scrolling block size (mouse wheel).
How to use Scroll Panes
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How to extract filename.tar.gz file
...s/filename.tbz2
/User/Name/Downloads/filename.tbz2: bzip2 compressed data, block size = 400k
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How to cut an entire line in vim and paste it?
...isual mode), you should try V (visual line mode) and <ctrl>v (visual block mode).
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...dex)) ENGINE=InnoDB;
Then, I filled 10 million rows in each table with a PHP script whose essence is like this:
$pdo = get_pdo();
$keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ];
for ($k = 0; $k < 10; $k++) {
for ($j = 0; $j ...