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Python, add trailing slash to directory string, os independently
...h.join(path, '') will add the trailing slash if it's not already there.
You can do os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
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Python convert tuple to string
I have a tuple of characters like such:
4 Answers
4
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Get Context in a Service
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answered Jun 22 '11 at 20:37
mibollmamibollma
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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...定义一个结构体来试试:[cpp]view plaincopystructa{char*pName;intm_a;} 引言
STL的map容器中,key的类型是不是随意的呢?
实践
编写测试代码
定义一个结构体来试试:
struct a
{
char* pName;
int m_a;
};
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map<a, int> mp;
a ...
How to remove part of a string before a “:” in javascript?
If I have a string Abc: Lorem ipsum sit amet , how can I use JavaScript/jQuery to remove the string before the : including the : . For example the above string will become: Lorem ipsum sit amet .
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Negation in Python
I'm trying to create a directory if the path doesn't exist, but the ! (not) operator doesn't work. I'm not sure how to negate in Python... What's the correct way to do this?
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How to suppress scientific notation when printing float values?
...cify how many digit after the . you wish to display, this depends on how small is the floating number). See this example:
>>> a = -7.1855143557448603e-17
>>> '{:f}'.format(a)
'-0.000000'
as shown above, default is 6 digits! This is not helpful for our case example, so instead we...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
Using numpy, how can I do the following:
4 Answers
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
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By default, top on Linux runs in so-called IRIX mode, while the Windows Task Manager does not. Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilize...
How to display a content in two-column layout in LaTeX?
I am writing an article in LaTeX and I would like to display some content in two column layout. In the left column a matrix and in the right column a list of items. I have tried with tabular environment but it does not work as I want.
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