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Python way of printing: with 'format' or percent form? [duplicate]
...you need backward compatibility with earlier Python, you should use %
For Python3 and newer you should use .format for sure
.format is more powerful than %. Porting % to .format is easy but the other way round can be non trivial
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SyntaxError of Non-ASCII character [duplicate]
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If I do not include this line then python3 does not throw the error. However, python2 does. The only way to make it work with python2 is to add this line # -*- coding: utf-8 -*-. but why?
– seralouk
Oct 3 '19 at 20:47
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Installation Issue with matplotlib Python [duplicate]
...is: File "/opt/local/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/tkinter/__init__.py", line 40, in <module> import _tkinter # If this fails your Python may not be configured for Tk ImportError: No module named '_tkinter'
– Josh Hansen
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Python Charts库(Highcharts API的封装) - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...似下面的路径
'/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages'
然后进入目录下的chart目录,拷贝下图这些文件替换
1.If you want to plot a single series, you can use the name argument:
charts.plot(data, name='My list')
show = ...
Deleting folders in python recursively
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Python3 version docs: docs.python.org/3/library/shutil.html#shutil.rmtree
– Vladimir Oprya
Oct 17 '19 at 17:50
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...elder.com/blog/200401/printing_unicode_from_python.html
http://www.diveintopython3.net/strings.html#one-ring-to-rule-them-all
http://boodebr.org/main/python/all-about-python-and-unicode
http://blog.notdot.net/2010/07/Getting-unicode-right-in-Python
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'too many values to unpack', iterating over a dict. key=>string, value=>list
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In Python3 iteritems() is no longer supported
Use .items
for field, possible_values in fields.items():
print(field, possible_values)
share
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CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，自定义一个类似CGridCellCheck的单元格类。
本文源码下载：GridCtrl.rar
源doc文档下载：MFCGridCtrl控件_使用心得.doc
MFC Grid control相关介绍及完整Demo下载：MFC Grid control 2.27
MFC Grid CGRidCtrl
Why aren't python nested functions called closures?
... make x = [0] in the outer scope, and use x[0] += 1 in the inner scope. In Python3, you could keep your code as it is and use the nonlocal keyword.
– unutbu
May 9 '14 at 10:26
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pg_config executable not found
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python3-dev is needed. Without it I get Python.h: No such file or directory
– krubo
Oct 12 '19 at 16:52
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