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Using os.walk() to recursively traverse directories in Python

I want to navigate from the root directory to all other directories within and print the same. 13 Answers ...
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How to print without newline or space?

...to the end of the string: print('.', end='') To not add a space between all the function arguments you want to print: print('a', 'b', 'c', sep='') You can pass any string to either parameter, and you can use both parameters at the same time. If you are having trouble with buffering, you can f...
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Elegant Python function to convert CamelCase to snake_case?

... name = pattern.sub('_', name).lower() To handle more advanced cases specially (this is not reversible anymore): def camel_to_snake(name): name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name) return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower() print(camel_to_snake('camel2_camel2_case')) #...
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How to clear the interpreter console?

Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc. ...
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Timeout a command in bash without unnecessary delay

...y, Bash does not support floating point arithmetic (sleep does), therefore all delay/time values must be integers. EOF } # Options. while getopts ":t:i:d:" option; do case "$option" in t) timeout=$OPTARG ;; i) interval=$OPTARG ;; d) delay=$OPTARG ;; *) printUsage...
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How to access the ith column of a NumPy multidimensional array?

...nswered Apr 20 '13 at 14:05 AkavallAkavall 62.1k3838 gold badges170170 silver badges215215 bronze badges ...
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What is in your Mathematica tool bag? [closed]

We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica? ...
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Why is using 'eval' a bad practice?

...d eval have nothing to do with each other. An application that's fundamentally mis-designed is fundamentally mis-designed. eval is no more the root cause of bad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecu...
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How to write a Python module/package?

I've been making Python scripts for simple tasks at work and never really bothered packaging them for others to use. Now I have been assigned to make a Python wrapper for a REST API. I have absolutely no idea on how to start and I need help. ...
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Short description of the scoping rules?

... Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.) LEGB Rule Local — N...