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How do I pick 2 random items from a Python set? [duplicate]

...currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like: ...
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What's the difference between `=` and `

I'm using R 2.8.1 and it is possible to use both = and <- as variable assignment operators. What's the difference between them? Which one should I use? ...
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What do numbers using 0x notation mean?

... 112 Literals that start with 0x are hexadecimal integers. (base 16) The number 0x6400 is 25600. 6 ...
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Complex numbers usage in python [closed]

... 2 Answers 2 Active ...
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

...find you need some hand-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation. share | improve this answer | follow | ...
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MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...1.在框架类(CMainFrame)中定义一个CSplitterWnd成员;   2.重载父框架类中CFrameWnd::OnCreateClient函数;   3.在OnCreateClient()函数中调用CSplitterWnd类的Create或CreateStatic()函数; 例子: CSplitterWnd m_wndSplitter; BOOL CChildFrame::OnC...
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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

...ort charts Server running in the folder /Users/TiM/PycharmProjects/58 at 127.0.0.1:61664 这个目录是你当前目录 如果报错,则需要 import sys print(sys.path) 找到类似下面的路径 '/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages' 然后进入目...
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2023年22日签到记录贴 - 灌水吐槽、新手试贴 - 清泛IT论坛,有思想、有深度

...动生成的,如果您还未签到,请点此进行签到的操作. 我在 2023-02-02 08:35 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 2,另外我还额外获得了 小红花 10.我今天最想说:「哈哈哈哈」.
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App Inventor 2能编译出苹果iOS版App吗? - App Inventor 2 中文网 - 清泛I...

...难之处: 1、基础设施还没有准备好,尚未达到预期。 2、iOS构建仍然存在bug。 3、iOS构建可能需要收费。 参考官方社区:https://community.appinventor.mi ... s-from-github/75336
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App Inventor 2数据存储组件之:微数据库,本地存储数据App下次启动可共享...

...地,下次启动后能读到上次设置的值。 引用: App Inventor 2  发表于 2023-04-20 16:00 经过测试,AI伴侣及编译apk,均能保存我们输入的值到本地,下次启动后能读到上次设置的值。 ... 但这是保存数值,保存整个app的状态怎...