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How can I check if a string represents an int, without using try/except?
...g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
18 Answers
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How to map with index in Ruby?
What is the easiest way to convert
10 Answers
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Should I use int or Int32
In C#, int and Int32 are the same thing, but I've read a number of times that int is preferred over Int32 with no reason given. Is there a reason, and should I care?
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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How to enable local network users to access my WAMP sites?
First of all, I read at least 20 articles about this topic, and not one of them can match up the scenario and I screwed up the process numerous times. So I turn help by offering my specific scenario if any help will be appreciated.
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Controlling fps with requestAnimationFrame?
It seems like requestAnimationFrame is the de facto way to animate things now. It worked pretty well for me for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is ...
How do I return multiple values from a function? [closed]
The canonical way to return multiple values in languages that support it is often tupling .
14 Answers
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Installing SetupTools on 64-bit Windows
...aller for setuptools it tells me that Python 2.7 is not installed. The specific error message is:
11 Answers
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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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