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Python: access class property from string [duplicate]
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x = getattr(self, source) will work just perfectly if source names ANY attribute of self, incl...
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?
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Literals that start with 0x are hexadecimal integers. (base 16)
The number 0x6400 is 25600.
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Complex numbers usage in python [closed]
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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.
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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...
2023年2月2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」.
ButtonBar拓展：定制功能非常强大、效果非常酷炫的导航条拓展 - App Invent...
...底部导航条，该怎么使用此扩展组件？wolfgang168 发表于 2024-04-11 10:03
请问，如果我希望在一个页面中同时具有顶部导航条和底部导航条，该怎么使用此扩展组件？ ...
界面上添加2个“ButtonBar”对象和2个“水平布局”，然后创建...
App Inventor 2 QRCode 扩展：二维码扫描及生成方案都在这里 - App Invento...
1、QRCode 二维码扫码：
使用原生的“条码扫描器”组件：
2、二维码生成的方案：
html + js + Web浏览器 方案：https://puravidaapps.com/qr.php
QRCodeGenerator 拓展方案：https://community.appinventor.mi ... tor-extension/47908