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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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12 Answers
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ImportError: no module named win32api
I am using Python 2.7 and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
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How exactly does the callstack work?
...to make room for local variables.
Then cin is moved into the EDI register2 and get is called; The return value is in EAX.
So far so good. Now the interesting thing happens:
The low-order byte of EAX, designated by the 8-bit register AL, is taken and stored in the byte right after the base pointe...
How to create byte array from HttpPostedFile
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295
Use a BinaryReader object to return a byte array from the stream like:
byte[] fileData = null...
Recreating a Dictionary from an IEnumerable
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Center image horizontally within a div
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What is the syntax rule for having trailing commas in tuple definitions?
...id expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the trailing comma and you avoid that trap.
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Rails: how do I validate that something is a boolean?
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245
Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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Find all tables containing column with specified name - MS SQL Server
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29 Answers
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