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Iterate a list with indexes in Python
...ar I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
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how do I make a single legend for many subplots with matplotlib?
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175
There is also a nice function get_legend_handles_labels() you can call on the last axis (if yo...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能，是linux unix下的一个强大编程工具。
目录：
1. awk简介
2. awk命令格式和选项
2.1. awk的语法有两种形式
2.2. 命令选项
3. 模式和操作
3.1. 模式
3.2. 操作
4. aw...
What's the difference between “mod” and “remainder”?
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There is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 ...
How to make an element in XML schema optional?
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191
Try this
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="1" />...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...netstat等。一、注销，关机，重启，新建用户、删除用户
1. 注销系统的命令
logout 、exit
这两个命令都可以用来退出当前所登录的服务器，若想再次进入服务器需要重新输入用户名和密码
2．关机或重新启动的命令
shutdown
用来...
Turn Pandas Multi-Index into column
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The reset_index() is a pandas DataFrame method that will transfer index values into the DataFr...
How to extract img src, title and alt from html using php? [duplicate]
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