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How to check a string for specific characters?
...aced with the characters you are looking for.
See this page in the Python 2.7 documentation for some information on strings, including about using the in operator for substring tests.
Update: This does the same job as my above suggestion with less repetition:
# When looking for single characters,...
Why is early return slower than else?
...913 25.3754 13.913C26.5612 13.913 27.4607 13.4902 28.1109 12.6616C28.1109 12.7229 28.1161 12.7799 28.121 12.8346C28.1256 12.8854 28.1301 12.9342 28.1301 12.983C28.1301 14.4373 27.2502 15.2321 25.777 15.2321C24.8349 15.2321 24.1352 14.9821 23.5661 14.7787C23.176 14.6393 22.8472 14.5218 22.5437 14.521...
How to open a file using the open with statement
... statement was introduced, or in Python 2.6, but it is supported in Python 2.7 and Python 3.1 or newer.
http://docs.python.org/reference/compound_stmts.html#the-with-statement
http://docs.python.org/release/3.1/reference/compound_stmts.html#the-with-statement
If you are writing code that must run ...
Converting datetime.date to UTC timestamp in Python
...res timezone information even for offset-aware datetime (tested for Python 2.7).
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URL query parameters to dict python
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For python 2.7
In [14]: url = "http://www.example.org/default.html?ct=32&op=92&item=98"
In [15]: from urlparse import urlparse, parse_qsl
In [16]: parse_url = urlparse(url)
In [17]: query_dict = dict(parse_qsl(parse_url.quer...
How to validate IP address in Python? [duplicate]
...g/ipaddress
The backport from phihag is available e.g. in Anaconda Python 2.7 & is included in Installer. s.a. https://docs.continuum.io/anaconda/pkg-docs
To install with pip:
pip install ipaddress
s.a.: ipaddress 1.0.17, "IPv4/IPv6 manipulation library", "Port of the 3.3+ ipaddress module"...
mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
...R_BLACK RGB( 0, 0, 0) // 纯黑
完整.h文件下载：ColorDef.zip
mfc 颜色宏
Matplotlib: “Unknown projection '3d'” error
...
I have this error for python 2.7, matplotlib.__version__ '2.2.3' ..... BECAUSE I was not using from mpl_toolkits.mplot3d import Axes3D... :)
– ntg
Jan 7 '19 at 16:49
...
Iterating through directories with Python
...approach to handling filesystem paths (Pathlib is also available on Python 2.7 via the pathlib2 module on PyPi):
from pathlib import Path
rootdir = Path('C:/Users/sid/Desktop/test')
# Return a list of regular files only, not directories
file_list = [f for f in rootdir.glob('**/*') if f.is_file()]
...
How can I safely create a nested directory?
...a default value of False. This argument does not exist in Python 2.x up to 2.7. As such, there is no need for manual exception handling as with Python 2.7.
Python 2.7+:
Using pathlib:
If you can, install the current pathlib backport named pathlib2. Do not install the older unmaintained backport n...