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Is there a wikipedia API just for retrieve content summary?
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Since 2017 Wikipedia provides a REST API with better caching.
In the documentation you can find...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...cording to pypy.org/download.html, PyPy needs 4 GB of RAM to compile (on a 64-bit system), not 8. And there's an option on that page to do it under 3 GB if needed.
– knite
Oct 29 '15 at 23:11
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deciding among subprocess, multiprocessing, and thread in Python?
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multiprocessing is a great Swiss-army knife type of module. It is more general than threads, a...
How to get current CPU and RAM usage in Python?
...x, Windows, OSX, Sun Solaris, FreeBSD, OpenBSD and NetBSD, both 32-bit and 64-bit architectures, with Python versions from 2.6 to 3.5 (users of Python 2.4 and 2.5 may use 2.1.3 version).
Some examples:
#!/usr/bin/env python
import psutil
# gives a single float value
psutil.cpu_percent()
# gives an...
Sending files using POST with HttpURLConnection
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To upload file on server with some parameter using MultipartUtility in simple way.
MultipartUt...
Meaning of acronym SSO in the context of std::string
... size_type m_capacity;
std::array<char, 16> m_sso;
};
For a 64-bit system, that generally means that std::string has 24 bytes of 'overhead' per string, plus another 16 for the SSO buffer (16 chosen here instead of 20 due to padding requirements). It wouldn't really make sense to store...
Making 'git log' ignore changes for certain paths
...hspec magic :(exclude) and its short form :! in commit ef79b1f and commit 1649612, by
Nguyễn Thái Ngọc Duy (pclouds), documentation can be found here.
You now can log everything except a sub-folder content:
git log -- . ":(exclude)sub"
git log -- . ":!sub"
Or you can exclude specific elements...
What algorithm gives suggestions in a spell checker?
...An ancient versions is decribed in Programming Pearls by Jon Bentley using 64kb for an english dictionary.
A BK-Tree is an alternative approach. A nice article is here.
Levenshstein distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitut...
What is the function of the push / pop instructions used on registers in x86 assembly?
... add $8,%rsp # add 8 to the rsp
Note this is x86-64 At&t syntax.
Used as a pair, this lets you save a register on the stack and restore it later. There are other uses, too.
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Evaluating a mathematical expression in a string
...>>> eval_expr('2^6')
4
>>> eval_expr('2**6')
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>>> eval_expr('1 + 2*3**(4^5) / (6 + -7)')
-5.0
"""
return eval_(ast.parse(expr, mode='eval').body)
def eval_(node):
if isinstance(node, ast.Num): # <number>
return node.n
el...