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Best way to get child nodes
I was wondering, JavaScript offers a variety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
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How do I get the picture size with PIL?
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from PIL import Image
im = Image.open('whatever.png')
width, height = im.size
According to the documentation.
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How do I make a textarea an ACE editor?
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As far as I understood the idea of Ace, you shouldn't make a textarea an Ace editor itself. You should create an additional div and update textarea using .getSession() function instead.
html
<textarea name="description"/>
<div id="description"/>
js
var editor = ...
Why are Objective-C delegates usually given the property assign instead of retain?
I'm surfing through the wonderful blog maintained by Scott Stevenson, and I'm trying to understand a fundamental Objective-C concept of assigning delegates the 'assign' property vs 'retain'. Note, the both are the same in a garbage collected environment. I'm mostly concerned with a non-GC based envi...
How do I verify jQuery AJAX events with Jasmine?
I am trying to use Jasmine to write some BDD specs for basic jQuery AJAX requests. I am currently using Jasmine in standalone mode (i.e. through SpecRunner.html ). I have configured SpecRunner to load jquery and other .js files. Any ideas why the following doesn't work? has_returned does not become...
Clojure differences between Ref, Var, Agent, Atom, with examples
I'm very new to Clojure, Can you guys give me explanation with real world scenarios. I mean, where to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples.
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Reordering of commits
I'm currently working on a branch and want some commits to merge into other branches:
5 Answers
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Passing current scope to an AngularJS Service
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To let the controller know when something async happens, use Angular promises.
To provoke the $apply, you don't need the scope, you can call $rootScope.$apply, as there is no difference calling it in a specific scope or in the root.
Regarding the variable r...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
I want to select #com19 ?
6 Answers
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All falsey values in JavaScript
What are the values in JavaScript that are 'falsey' , meaning that they evaluate as false in expressions like if(value) , value ? and !value ?
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