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Is there any way to use a numeric type as an object key?
It seems that when I use a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
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html5 - canvas element - Multiple layers
Without any extension library, is it possible to have multiple layers in the same canvas element?
7 Answers
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Converting an integer to a hexadecimal string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadecimal equivalent?
5 Answers
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'printf' vs. 'cout' in C++
What is the difference between printf() and cout in C++?
16 Answers
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Regexp Java for password validation
I'm creating a regexp for password validation to be used in a Java application as a configuration parameter.
15 Answers
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What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
42 Answers
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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How to convert an int to a hex string?
I want to take an integer (that will be
13 Answers
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...