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How do you rotate a two dimensional array?
Inspired by Raymond Chen's post , say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff.
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What is the difference between JVM, JDK, JRE & OpenJDK?
What is the difference between JVM , JDK , JRE & OpenJDK ?
19 Answers
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Is there a way to iterate over a dictionary?
I know NSDictionaries as something where you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there som...
How do I get the YouTube video ID from a URL?
I want to get the v=id from YouTube’s URL with JavaScript (no jQuery, pure JavaScript).
39 Answers
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Plain Old CLR Object vs Data Transfer Object
POCO = Plain Old CLR (or better: Class) Object
10 Answers
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How to get current foreground activity context in android?
Whenever my broadcast is executed I want to show alert to foreground activity.
14 Answers
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How can I loop through a List and grab each item?
How can I loop through a List and grab each item?
4 Answers
4
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What techniques can be used to speed up C++ compilation times?
What techniques can be used to speed up C++ compilation times?
27 Answers
27
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What is a mixin, and why are they useful?
In " Programming Python ", Mark Lutz mentions "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin?
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Pass mouse events through absolutely-positioned element
I'm attempting to capture mouse events on an element with another absolutely-positioned element on top of it.
6 Answers
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