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What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
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Should I use `import os.path` or `import os`?
...does magic with sys.modules to inject os.path. Here's what happens:
When Python starts up, it loads a bunch of modules into sys.modules. They aren't bound to any names in your script, but you can access the already-created modules when you import them in some way.
sys.modules is a dict in which ...
Best way to structure a tkinter application? [closed]
The following is the overall structure of my typical python tkinter program.
7 Answers
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Python memory usage of numpy arrays
I'm using python to analyse some large files and I'm running into memory issues, so I've been using sys.getsizeof() to try and keep track of the usage, but it's behaviour with numpy arrays is bizarre. Here's an example involving a map of albedos that I'm having to open:
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Best approach for GPGPU/CUDA/OpenCL in Java?
... that is available on all platforms right now (including MacOS X, FreeBSD, Linux, Windows, Solaris, all in Intel 32, 64 bits and ppc variants, thanks to its use of JNA).
It has demos that actually run fine from Java Web Start at least on Mac and Windows (to avoid random crashes on Linux, please see...
How to process SIGTERM signal gracefully?
Let's assume we have such a trivial daemon written in python:
7 Answers
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Suppress/ print without b' prefix for bytes in Python 3
....com%2fquestions%2f16748083%2fsuppress-print-without-b-prefix-for-bytes-in-python-3%23new-answer', 'question_page');
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Creating a JSON response using Django and Python
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With python 2.7, it should just be "import json"
– Cullen Fluffy Jennings
Sep 6 '12 at 22:22
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Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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How do I create a list of random numbers without duplicates?
...tes 10 numbers selected from 0 to 99, without duplicates. Benchmarking in IPython, yields 103 µs ± 513 ns for %timeit random.sample(range(1000), 100) , and 17 µs ± 1.24 µs for %timeit np.random.permutation(1000)[:100] .
– Ant Plante
Sep 4 at 10:26
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