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Node.js quick file server (static files over HTTP)
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Python3 equivalent: python -m http.server [port] (the mentioned one is for Python2)
– jakub.g
Mar 19 '15 at 18:27
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if A vs if A is not None:
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@cedbeu, in Python3 they are all much faster, but the is None test was indeed the slowest for me. In pypy they all measured exactly the same :)
– John La Rooy
Mar 25 '13 at 6:09
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How to implement __iter__(self) for a container object (Python)
...wing is a simple example that creates a mapping x -> x * x and works on Python3 extending the ABC mapping.
import collections.abc
class MyMap(collections.abc.Mapping):
def __init__(self, n):
self.n = n
def __getitem__(self, key): # given a key, return it's value
if 0 &l...
Reading a huge .csv file
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here's another solution for Python3:
import csv
with open(filename, "r") as csvfile:
datareader = csv.reader(csvfile)
count = 0
for row in datareader:
if row[3] in ("column header", criterion):
doSomething(row)
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How to get a function name as a string?
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func_name doesn't exist any more in python3 so you need to use func.__name__ if you want compatibility
– Daenyth
Apr 7 '17 at 15:50
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如何编写一个独立的 PHP 扩展（译） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是说想要编写 PHP 扩展，你既需要已经安装了 PHP，也需要下载一份 PHP 源码。
定义一个新扩展
我们给示例扩展命名为 “foobar”。
新扩展包含两个资源文件：foo.c 和 bar.c（还有一些头文件，但这些不只重要）。
示例扩展不引...
How to execute multi-line statements within Python's own debugger (PDB)
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In python3 ipdb (and pdb) have a command called interact. It can be used to:
Start an interactive interpreter (using the code module) whose global namespace contains all the (global and local) names found in the current sco...
Change IPython/Jupyter notebook working directory
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Thank you for this nice tip. I was using !cd in python3 jupyter notebook and it doesn't work but this worked
– upendra
Oct 20 '17 at 17:55
1
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case-insensitive list sorting, without lowercasing the result?
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In python3 you can use
list1.sort(key=lambda x: x.lower()) #Case In-sensitive
list1.sort() #Case Sensitive
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How are POST and GET variables handled in Python?
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FieldStorage is broken in python3, you may experience issues with it. bugs.python.org/issue6234
– NuclearPeon
Oct 1 '13 at 0:09
2
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