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How can I check if a background image is loaded?
...'<img/>').attr('src', 'http://picture.de/image.png').on('load', function() {
$(this).remove(); // prevent memory leaks as @benweet suggested
$('body').css('background-image', 'url(http://picture.de/image.png)');
});
this will create new image in memory and use load event to detect when...
OAuth: how to test with local URLs?
...ctober 2016: Easiest now: use lvh.me which always points to 127.0.0.1.
Previous Answer:
Since the callback request is issued by the browser, as a HTTP redirect response, you can set up your .hosts file or equivalent to point a domain that is not localhost to 127.0.0.1.
Say for example you register t...
Which HTML elements can receive focus?
...ctually gives you an error if you try), and file uploads have unusual behaviour for security reasons
HTMLIFrameElement (though focusing it doesn't do anything useful). Other embedding elements also, maybe, I haven't tested them all.
Any element with a tabindex
There are likely to be other subtle ex...
Clear Application's Data Programmatically
I want to clear my application's data programmatically.
6 Answers
6
...
Is it possible to change only the alpha of a rgba background colour on hover?
...gb: 118, 76, 41; }
.green { --rgb: 51, 91, 11; }
a { display: block; position: relative; }
div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); }
a:hover div { background-color: rgba(var(--rgb), 1); }
To understand how this works, see How do I apply opacity to a CSS color...
HTML inside Twitter Bootstrap popover
...t; - content</div>">Example popover</a>
JavaScript:
$(function(){
// Enables popover
$("[data-toggle=popover]").popover();
});
And by the way, you always need at least $("[data-toggle=popover]").popover(); to enable the popover. But in place of data-toggle="popover" you can ...
configure: error: C compiler cannot create executables
I've checked a number of similar questions on stackoverflow but haven't found an answer yet.
15 Answers
...
OwinStartup not firing
I had the OwinStartup configuration code working perfectly and then it stopped working. Unfortunately I'm not sure exactly what I did to get it to stop working and am having a really hard time figuring it out.
...
Custom dealloc and ARC (Objective-C)
In my little iPad app I have a "switch language" function that uses an observer. Every view controller registers itself with my observer during its viewDidLoad: .
...
Install gitk on Mac
... (Apple Git-37) does not come with gitk. You can install a more recent version of git + git-ui as a separate formula by using brew. More thorough instructions located here: http://www.moncefbelyamani.com/how-to-install-xcode-homebrew-git-rvm-ruby-on-mac/ (see this commit extracting git-gui/gitk ...