大约有 40,000 项符合查询结果（耗时：0.0472秒） [XML]
“ImportError: No module named” when trying to run Python script
...ey are both using the same interpreter. This happened to me on Ubuntu:
$ ipython3 -c 'import sys; print(sys.version)'
3.4.2 (default, Jun 19 2015, 11:34:49) \n[GCC 4.9.1]
$ python3 -c 'import sys; print(sys.version)'
3.3.0 (default, Nov 27 2012, 12:11:06) \n[GCC 4.6.3]
And sys.path was different...
nosetests is capturing the output of my print statements. How to circumvent this?
...
python3.5 -m "nose" --nocapture
– Alex Punnen
Mar 19 '18 at 9:24
1
...
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...
How to schedule a function to run every hour on Flask?
...ich I made recently, integrated with a basic Flask application:
#!/usr/bin/python3
""" Demonstrating Flask, using APScheduler. """
from apscheduler.schedulers.background import BackgroundScheduler
from flask import Flask
def sensor():
""" Function for test purposes. """
print("Scheduler is...
Node.js quick file server (static files over HTTP)
...
Python3 equivalent: python -m http.server [port] (the mentioned one is for Python2)
– jakub.g
Mar 19 '15 at 18:27
...
Reading a huge .csv file
...
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)
...
if A vs if A is not None:
...
@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
...
How to get a function name as a string?
...
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
...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
打开：https://github.com/danro/LESS-sublime 将less文件的压缩包下载下来。将文件解压之后，放置于sublime的data中的packages文件夹中。
html文件能够解析less文件的设置
从http://lesscss.org下载less.js，并将less.js文件引入html页面中。
注意：
...
Change IPython/Jupyter notebook working directory
...
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
...