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CSS hexadecimal RGBA?
... CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somewhat near future CSS will support both the 4 and 8-digit hexadecimal RGBA notation.
Note: the f...
What is “vectorization”?
Several times now, I've encountered this term in matlab, fortran ... some other ... but I've never found an explanation what does it mean, and what it does? So I'm asking here, what is vectorization, and what does it mean for example, that "a loop is vectorized" ?
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
I've installed Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
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Convert list of dictionaries to a pandas DataFrame
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Supposing d is your list of dicts, simply:
df = pd.DataFrame(d)
Note: this does not work with nested data.
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What is the use of the ArraySegment class?
I just came across the ArraySegment<byte> type while subclassing the MessageEncoder class.
6 Answers
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Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
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When should I create a destructor?
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UPDATE: This question was the subject of my blog in May of 2015. Thanks for the great question! See the blog for a long list of falsehoods that people commonly believe about finalization.
When should I manually create a destructor?
Almost never.
Typically one only...
Why does 2 mod 4 = 2?
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Mod just means you take the remainder after performing the division. Since 4 goes into 2 zero times, you end up with a remainder of 2.
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Efficient way to rotate a list in python
What is the most efficient way to rotate a list in python?
Right now I have something like this:
26 Answers
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Swift - which types to use? NSString or String
With the introduction of Swift I've been trying to get my head round the new language
9 Answers
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