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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
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How I can I lazily read multiple JSON values from a file/stream in Python?
I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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Pandas convert dataframe to array of tuples
I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
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Conditionally Remove Dataframe Rows with R [duplicate]
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How to build a query string for a URL in C#?
A common task when calling web resources from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need to take care of like, appending an & if not the first parameter, encoding the parameters etc.
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How do I safely pass objects, especially STL objects, to and from a DLL?
How do I pass class objects, especially STL objects, to and from a C++ DLL?
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
In a small application written in C/C++, I am facing a problem with the rand function and maybe the seed :
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How to serialize SqlAlchemy result to JSON?
Django has some good automatic serialization of ORM models returned from DB to JSON format.
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How to trick an application into thinking its stdout is a terminal, not a pipe
I'm trying to do the opposite of " Detect if stdin is a terminal or pipe? ".
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