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How do you use the ? : (conditional) operator in JavaScript?
... = 'Hello ' + (username || 'guest');
This is Javascripts equivallent of PHP's shorthand ternary operator ?:
Or even:
var welcomeMessage = 'Hello ' + (username || something || maybethis || 'guest');
It evaluates the variable, and if it's false or unset, it goes on to the next.
...
How to mark-up phone numbers?
... Working on Seamonkey 2.20 on Mac 10.8 put below the <body <?php body_class(); ?>> code on a wordpress theme's header.php file.
– om01
Sep 6 '13 at 0:33
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Change the image source on rollover using jQuery
...aming convention.
HTML
<img data-other-src="big-zebra.jpg" src="small-cat.jpg">
<img data-other-src="huge-elephant.jpg" src="white-mouse.jpg">
<img data-other-src="friendly-bear.jpg" src="penguin.jpg">
JavaScript
$('img').bind('mouseenter mouseleave', function() {
$(this)....
Auto detect mobile browser (via user-agent?) [closed]
...ome type of .htaccess command - instead of using a scripting language like PHP?
– TeddyTom
Jun 17 '09 at 4:54
any idea...
get current url in twig template?
...
@GateKiller This made my Functional Test Fail: Uncaught PHP Exception PHPUnit_Framework_Error_Notice: "Undefined index: REQUEST_URI"
– Robin
Aug 15 '14 at 10:18
...
Get Insert Statement for existing row in MySQL
...
I wrote a php function that will do this. I needed to make an insert statement in case a record needs to be replaced after deletion for a history table:
function makeRecoverySQL($table, $id)
{
// get the record
$sel...
Escaping HTML strings with jQuery
...ibutes, then you will also need to escape quotes and/or double quotes. The PHP documentation for htmlspecialchars contains a useful list of conversions that it performs. php.net/htmlspecialchars
– geofflee
Mar 24 '11 at 12:05
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Clear variable in python
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@Bnicholas However it's not like null in PHP, in that setting a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite l...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...制数据
【数据库】LeanDB 数据库扩展
【数据库】MySQL + php后端数据库
【数据库】MongoDB + php后端数据库
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How to download source in ZIP format from GitHub?
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Wish this worked, but no luck here: github.com/facebook/php-webdriver --when I add "zipball/master/" to the end of that URL, I just get an error message. I'm echoing the original commenter... I just don't understand why it's so f'ing hard to download source code I see on github. ...