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How to wait until an element exists?

...ationObserver api a bit complex so I've built a library, arrive.js, to provide a simpler api to listen for elements creation/removal. – Uzair Farooq Apr 17 '14 at 18:23 16 ...
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Are there strongly-typed collections in Objective-C?

...own classes: @interface GenericsTest<__covariant T> : NSObject -(void)genericMethod:(T)object; @end @implementation GenericsTest -(void)genericMethod:(id)object {} @end Objective-C will behave like it did before with compiler warnings. GenericsTest<NSString*>* test = [GenericsTe...
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Section vs Article HTML5

I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
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How do you debug MySQL stored procedures?

... This doesn't seem to work for FUNCTIONS and I have no idea why. It always gives "Error Code: 1415. Not allowed to return a result set from a function". Is there any recourse? – Patrick M Jul 28 '15 at 21:29 ...
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Javascript : natural sort of alphanumerical strings

...s, it is better to create an Intl.Collator object and use the function provided by its compare property. Docs link var collator = new Intl.Collator(undefined, {numeric: true, sensitivity: 'base'}); var myArray = ['1_Document', '11_Document', '2_Document']; console.log(myArray.sort(collator.c...
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Gridview height gets cut

I'm trying to display 8 items inside a gridview. Sadly, the gridview height is always too little, so that it only shows the first row, and a little part of the second. ...
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Apply CSS style attribute dynamically in Angular JS

...esponding values for those CSS keys. Since some CSS style names are not valid keys for an object, they must be quoted. ng-style="{color: myColor}" Your code will be: <div ng-style="{'width':'20px', 'height':'20px', 'margin-top':'10px', 'border':'solid 1px black', 'background-color':'#ff0000'...
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How to programmatically set style attribute in a view

...mmatically; you can set the look of a screen, or part of a layout, or individual button in your XML layout using themes or styles. Themes can, however, be applied programmatically. There is also such a thing as a StateListDrawable which lets you define different drawables for each state the your B...
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What is aria-label and how should I use it?

...element: <label for="fmUserName">Your name</label> <input id="fmUserName"> The <label> explicitly tells the user to type their name into the input box where id="fmUserName". aria-label does much the same thing, but it's for those cases where it isn't practical or desirab...
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How can I get the full/absolute URL (with domain) in Django?

...uest object, and defaults to the site object you have configured with SITE_ID in settings.py if request is None. Read more in documentation for using the sites framework e.g. from django.contrib.sites.shortcuts import get_current_site request = None full_url = ''.join(['http://', get_current_site(...