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Map vs Object in JavaScript

I just discovered chromestatus.com and, after losing several hours of my day, found this feature entry : 12 Answers ...
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Best ways to teach a beginner to program? [closed]

...ad to work with several beginner (never wrote a line of code) programmers, and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps. 1) FizzBuzz. Start with command line pr...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

...set of JavaScript which primarily provides optional static typing, classes and interfaces. One of the big benefits is to enable IDEs to provide a richer environment for spotting common errors as you type the code. To get an idea of what I mean, watch Microsoft's introductory video on the language. ...
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How to use UIScrollView in Storyboard

I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard. I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
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What is the difference between public, private, and protected?

When and why should I use public , private , and protected functions and variables inside a class? What is the difference between them? ...
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Why are elementwise additions much faster in separate loops than in a combined loop?

Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop. 10 Answers ...
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Which Architecture patterns are used on Android? [closed]

I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android? 12 Answe...
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Moving Files into a Real Folder in Xcode

...sing the browser in Xcode to access everything, stuff was nicely organized and I was happy. 12 Answers ...
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Algorithm for creating a school timetable

...ble. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each other at the input and that timetable should fit between 8AM and 4P...
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Logical operators (“and”, “or”) in DOS batch

... You can do and with nested conditions: if %age% geq 2 ( if %age% leq 12 ( set class=child ) ) or: if %age% geq 2 if %age% leq 12 set class=child You can do or with a separate variable: set res=F if %hour% leq 6 se...