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How do I use itertools.groupby()?
I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
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Convert RGBA PNG to RGB with PIL
I'm using PIL to convert a transparent PNG image uploaded with Django to a JPG file. The output looks broken.
7 Answers
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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...
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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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...
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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typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
Stacked Tabs in Bootstrap 3
I am trying to implement left-aligned stacked tabs using the Tab jquery plugin in Bootstrap 3 where tabs are rendered vertically to the left of tab content, rather than on top. When I try the following;
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How to format an inline code in Confluence?
How can I format an inline code in Confluence like this ? I mean, not a separate code block, but just inline classname , for example.
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