大约有 40,000 项符合查询结果（耗时：0.0493秒） [XML]
Is it bad to have my virtualenv directory inside my git repository?
...terpreter which is located at C:\Users{user}\AppData\Local\Programs\Python\Python36 (make sure you choose the appropriate version of Python based on what you have installed)
Note that Pycharm will create the new virtual environment and copy python binaries and required libraries under your venv fol...
How can I check whether a numpy array is empty or not?
...
/usr/local/bin/ipython3:1: DeprecationWarning: The truth value
of an empty array is ambiguous. Returning False, but in
future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
#!/usr/bin...
What is the fastest way to send 100,000 HTTP requests in Python?
...ers but I have tried a few, and I found this to work the best for me using python3.6.
I was able to fetch about ~150 unique domains per second running on AWS.
import pandas as pd
import concurrent.futures
import requests
import time
out = []
CONNECTIONS = 100
TIMEOUT = 5
tlds = open('../data/sa...
python assert with and without parenthesis
...gramming constructs, and this syntax has yet again changed from python2 to python3 and again changed from python 3.4 to 3.6.
Making assert statements not backward compatible from any version to any other version.
It's a tap on the shoulder that assert is a 3rd class citizen, it will be totally re...
Class method decorator with self arguments?
...
A more concise example might be as follows:
#/usr/bin/env python3
from functools import wraps
def wrapper(method):
@wraps(method)
def _impl(self, *method_args, **method_kwargs):
method_output = method(self, *method_args, **method_kwargs)
return method_output...
How can I recover the return value of a function passed to multiprocessing.Process?
... Any ideas why my getpid() return all the same value? I'm running Python3
– zelusp
Oct 29 '16 at 17:39
I'm no...
String formatting in Python 3
... seems to work in Python 3.4, so that's fine since the OP was asking about Python3. I just found it didn't work with python 2.7.6. "{:.2f}%".format(float_num) works fine for both.
– SuperElectric
Apr 4 '15 at 17:53
...
Difference between two dates in Python
...
At least with Python3.5 the print statement should look like this: print ('{} days between {} and {}'.format(result1, d1, d2))
– Ernestas Kardzys
Nov 23 '17 at 10:50
...
How to hide output of subprocess in Python 2.7
...
As of Python3 you no longer need to open devnull and can call subprocess.DEVNULL.
Your code would be updated as such:
import subprocess
text = 'Hello World.'
print(text)
subprocess.call(['espeak', text], stderr=subprocess.DEVNULL...
Iterating through directories with Python
...s when running the above, please provide the error message.
Updated for Python3
import os
rootdir = 'C:/Users/sid/Desktop/test'
for subdir, dirs, files in os.walk(rootdir):
for file in files:
print(os.path.join(subdir, file))
...