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Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
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add a string prefix to each value in a string column using Pandas
I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
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Is std::vector copying the objects with a push_back?
After a lot of investigations with valgrind, I've made the conclusion that std::vector makes a copy of an object you want to push_back.
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How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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Is there a better way to run a command N times in bash?
I occasionally run a bash command line like this:
19 Answers
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What is the difference between re.search and re.match?
What is the difference between the search() and match() functions in the Python re module ?
8 Answers
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How can I get a resource content from a static context?
I want to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
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Convert numpy array to tuple
Note: This is asking for the reverse of the usual tuple-to-array conversion.
5 Answers
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Fastest way to check a string contain another substring in JavaScript?
I'm working with a performance issue on JavaScript. So I just want to ask: what is the fastest way to check whether a string contains another substring (I just need the boolean value)? Could you please suggest your idea and sample snippet code?
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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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