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What is the “right” way to iterate through an array in Ruby?
PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
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PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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Calling a function from a string in C#
I know in php you are able to make a call like:
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Redirect stdout to a file in Python?
How do I redirect stdout to an arbitrary file in Python?
10 Answers
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How to change default text file encoding in Eclipse?
Whenever I add a new html file (or other text file) to the project its encoding is set to Cp1250. I am not sure why, I guess this is probably because my default language in Windows is Polish and I don't want to change it. Anyway, Eclipse says that Cp1250 is a 'default' encoding and I have to manuall...
Setting different color for each series in scatter plot on matplotlib
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When should I use C++ private inheritance?
Unlike protected inheritance, C++ private inheritance found its way into mainstream C++ development. However, I still haven't found a good use for it.
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How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
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