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Creating range in JavaScript - strange syntax

...guments How the Number function handles arguments What Function.prototype.call does They're rather advanced topics in javascript, so this will be more-than-rather long. We'll start from the top. Buckle up! 1. Why not just Array(5).map? What's an array, really? A regular object, containing intege...
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Play/pause HTML 5 video using JQuery

...jQuery function but a function of the DOM element. You therefore need to call it upon the DOM element. You give an example of how to do this with the native DOM functions. The jQuery equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0...
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Find out if ListView is scrolled to the bottom?

...r_list_id: // Make your calculation stuff here. You have all your // needed info from the parameters of this function. // Sample calculation to determine if the last // item is fully visible. final int lastItem = firstVisibleItem + ...
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HashMap get/put complexity

...ever it depends on the hash implementation. The default object hash is actually the internal address in the JVM heap. Are we sure it is good enough to claim that the get/put are O(1) ? ...
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How to place div side by side

... cdn.polyfill.io/v2/docs or github.com/10up/flexibility but you may have really strict requirements that prevent using polyfills. – TheMcMurder Jun 27 '16 at 15:38 ...
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Selecting multiple classes with jQuery

I’ve had a good look and can’t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this: ...
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Using Sass Variables with CSS3 Media Queries

...de. Achieving your expected result would only be possible if SASS grabbed all rules and properties in your stylesheet containing your $base_width variable and copied/changed them accordingly. Since it won't work automatically you could do it by hand like this: @media screen and (max-width: 1170px...
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Differences between Emacs and Vim

...and weeks till you will be happy with it and then you will learn new stuff all the time. You will be annoyed when you don't have access to it and constantly change your config. You won't be able to use other peoples emacs versions easily and it won't just be installed. It uses Lisp, which is great. ...
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How to design a database for User Defined Fields?

...rformance is the primary concern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described. Pros: Because you indicate that some UDFs have values for a...
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Take diff of two vertical opened windows in Vim

... To begin diffing on all visible windows: :windo diffthis which executes :diffthis on each window. To end diff mode: :diffoff! (The ! makes diffoff apply to all windows of the current tab - it'd be nice if diffthis had the same feature, bu...