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How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
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Hide grid row in WPF
I have a simple WPF form with a Grid declared on the form. This Grid has a bunch of rows:
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C# int to byte[]
I need to convert an int to a byte[] one way of doing it is to use BitConverter.GetBytes() . But im unsure if that matches the following specification:
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Store output of subprocess.Popen call in a string
I'm trying to make a system call in Python and store the output to a string that I can manipulate in the Python program.
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
To clarify the purpose of this question: I know HOW to create complicated views with both subviews and using drawRect. I'm trying to fully understand the when's and why's to use one over the other.
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How to index characters in a Golang string?
How to get an "E" output rather than 69?
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What Every Programmer Should Know About Memory?
I am wondering how much of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
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How to iterate over values of an Enum having flags?
If I have a variable holding a flags enum, can I somehow iterate over the single-bit values in that specific variable? Or do I have to use Enum.GetValues to iterate over the entire enum and check which ones are set?
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How to pipe list of files returned by find command to cat to view all the files
I am doing a find and then getting a list of files. How do I pipe it to another utility like cat (so that cat displays the contents of all those files) and basically need to grep something from these files.
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Argparse: Required arguments listed under “optional arguments”?
I use the following simple code to parse some arguments; note that one of them is required. Unfortunately, when the user runs the script without providing the argument, the displayed usage/help text does not indicate that there is a non-optional argument, which I find very confusing. How can I get p...