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How to execute XPath one-liners from shell?
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One package that is very likely to be installed on a system already is python-lxml. If so, this is possible without installing any extra package:
python -c "from lxml.etree import parse; from sys import stdin; print '\n'.join(parse(stdin).xpath('//element/@attribute'))"
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wget/curl large file from google drive
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I wrote a Python snippet that downloads a file from Google Drive, given a shareable link. It works, as of August 2017.
The snipped does not use gdrive, nor the Google Drive API. It uses the requests module.
When downloading large fi...
How do I run all Python unit tests in a directory?
I have a directory that contains my Python unit tests. Each unit test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have fail...
C++读写EXCEL文件方式比较 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为了PHP读写EXCEL准备的，包括libXLS，XLSlib，SmartEXCEL等。我下载了几个实验了一下，在Widonws都没有编译成功。也罢了。
4.ODBC的方式
这个亲身没有尝试过，但是按照原理，应该只能读写。
速度吗，ODBC的速度本来就是出名的慢...
mysql blob大小配置介绍 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
...它们的尺寸，必须使用特殊的方式来处理（例如：上传、下载或者存放到一个数据库）。根据Eric Raymond的说法，处理BLOB的主要思想就是让文件处理器（如数据库管理器）不去理会文件是什么，而是关心如何去处理它。但也有专...
App Inventor 2 项目合并工具：合并多个项目的屏幕、素材及拓展 - App Inve...
...后的项目如图，我们指定的项目均已经合并成功。绿色版下载
https://www.fun123.cn/reference/creative/AI2MergerTool.html
Convert a list of characters into a string
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This works in many popular languages like JavaScript and Ruby, why not in Python?
>>> ['a', 'b', 'c'].join('')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'join'
Strange enough, in Python the join m...
How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
13
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Sound alarm when code finishes
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This doesn't appear to work through ipython/Jupyter
– Kyle Barron
Nov 15 '19 at 22:57
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How to print colored text in Python?
How can I output colored text to the terminal in Python?
46 Answers
46
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