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How do I add the contents of an iterable to a set?
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231
You can add elements of a list to a set like this:
>>> foo = set(range(0, 4))
>&g...
How to store arrays in MySQL?
...ARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
);
CREATE TABLE person_fruit (
`person_id` INT NOT NULL,
`fruit_name` VARCHAR(20) NOT NULL,
PRIMARY KEY(`person_id`, `fruit_name`)
);
The person_fruit table contai...
How comment a JSP expression?
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215
Pure JSP comments look like this:
<%-- Comment --%>
So if you want to retain the "="....
Python: access class property from string [duplicate]
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280
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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Complex numbers usage in python [closed]
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2 Answers
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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」.