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数据存储组件 · App Inventor 2 中文网
...文件相关的操作。是 文件管理器 的加强拓展。
.aix 拓展下载：
com.sunny.FileTools.aix
FileTools demo程序下载：
FileTools.aia
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How to debug in Django, the good way? [closed]
...ngo view function:
import pdb; pdb.set_trace()
or
breakpoint() #from Python3.7
If you try to load that page in your browser, the browser will hang and you get a prompt to carry on debugging on actual executing code.
However there are other options (I am not recommending them):
* return Htt...
How to import a module given its name as string?
...r general use it is better to use importlib.import_module()..." When using python3, the imp module solves this proble, as monkut mentions below.
– LiavK
Jul 8 '15 at 15:14
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How do I disable log messages from the Requests library?
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For some reason when using the requests library in python3 you have to do getLogger("urllib3") to suppress the messages.
– robru
Aug 4 '15 at 20:10
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Pythonic way to combine FOR loop and IF statement
...tice that the generator was kept inline. This was tested on python2.7 and python3.6 (notice the parens in the print ;) )
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linux tee is not working with python?
...rked also in Python 3 on my Raspberry Pi 3 equipped with Raspbian Jessie: python3 -u client.py | tee logfile
– Antonino
Mar 27 '17 at 4:22
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How do I check if a variable exists?
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@jjisnow if myVar: # Do something throws NameError in python3 if myVar is not declared
– Agile Bean
Jul 31 '18 at 14:42
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How to efficiently compare two unordered lists (not sets) in Python?
...(about 3x faster). At 1,000 ints with 5 repeats, Counter is 4x faster. python3.6 -m timeit -s 'from collections import Counter' -s 'from random import shuffle' -s 't=list(range(100)) * 5' -s 'shuffle(t)' -s 'u=t[:]' -s 'shuffle(u)' 'Counter(t)==Counter(u)'
– Raymond Hetting...
Add params to given URL in Python
...llib.urlencode({'lang':'en','tag':'python'})
'lang=en&tag=python'
In python3:
from urllib import parse
parse.urlencode({'lang':'en','tag':'python'})
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How to send email attachments?
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Notice for Python3 developers: module "email.Utils" has been renamed to "email.utils"
– gecco
Nov 11 '11 at 8:11
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