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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

... retaining the copy. Assign Assign is somewhat the opposite to copy. When calling the getter of an assign property, it returns a reference to the actual data. Typically you use this attribute when you have a property of primitive type (float, int, BOOL...) Retain retain is required when the attribut...
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What does O(log n) mean exactly?

...g that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials. ...
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Writing files in Node.js

... I liked Index of ./articles/file-system.
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How to get the Power of some Integer in Swift language?

... I really like this solution, but with Swift 3 it does not work. Any idea how to make it work? – Vanya Sep 19 '16 at 18:51 ...
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When to use Vanilla JavaScript vs. jQuery?

...ari.) this.className to get or set an entire "class" property this.selectedIndex against a <select> to get the selected index this.options against a <select> to get a list of <option> elements this.text against an <option> to get its text content this.rows against a <table...
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Are HLists nothing more than a convoluted way of writing tuples?

I am really interested in finding out where the differences are, and more generally, to identify canonical use cases where HLists cannot be used (or rather, don't yield any benefits over regular lists). ...
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click

...r data-attributes ? Even if I use data-attributes, I still would have to call $("#popover").popover(); from my JavaScript. – Bailey Jan 3 '18 at 7:58 ...
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What are the differences between django-tastypie and djangorestframework? [closed]

... EDIT Outdated answer, tastypie is not really maintained anymore. Use Django REST framework if you have to choose a framework to do REST. For an overview about the actual differences between both of them you should read their documentation. They are both more or le...
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Share variables between files in Node.js?

...maybe an exception or two out there...). In this case, it looks like you really just want to export your "name" variable. E.g., // module.js var name = "foobar"; // export it exports.name = name; Then, in main.js... //main.js // get a reference to your required module var myModule = require('./...
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How do I put my website's logo to be the icon image in browser tabs?

...t up: A) Placing it on the root folder/directory of your website (next to index.html) with the name favicon.ico. or B) Link to it between the <head></head> tags of every .html file on your site, like this: <head> <link rel="shortcut icon" type="image/x-icon" href="favicon....