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What is the most efficient way of finding all the factors of a number in Python?

Can someone explain to me an efficient way of finding all the factors of a number in Python (2.7)? 22 Answers ...
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CSS Box Shadow - Top and Bottom Only [duplicate]

I cannot find any examples of how to do this, but how can I add a box shadow only to the top and bottom of an element? 5 An...
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

Yesterday I was giving a talk about the new C# "async" feature, in particular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls. ...
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RuntimeWarning: invalid value encountered in divide

I have to make a program using Euler's method for the "ball in a spring" model 4 Answers ...
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Adding 'serial' to existing column in Postgres

I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword. ...
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Getting current date and time in JavaScript

I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code: 27 A...
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Optional Parameters with C++ Macros

Is there some way of getting optional parameters with C++ Macros? Some sort of overloading would be nice too. 14 Answers ...
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How to check if an int is a null

I have an object called Person . 8 Answers 8 ...
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How to track down a “double free or corruption” error

When I run my (C++) program it crashes with this error. 8 Answers 8 ...
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Given an RGB value, how do I create a tint (or shade)?

Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color? 3...