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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
Selecting pandas column by location
I'm simply trying to access named pandas columns by an integer.
5 Answers
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Check if at least two out of three booleans are true
An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
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C char array initialization
I'm not sure what will be in the char array after initialization in the following ways.
6 Answers
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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
I am using Jekyll and Vagrant on my mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0....
how do I insert a column at a specific column index in pandas?
Can I insert a column at a specific column index in pandas?
4 Answers
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How do I list all versions of a gem available at a remote site?
I'm trying to find out all the remotely available versions of a specified gem.
4 Answers
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Connect to a locally built Jekyll Server using mobile devices in the LAN
After using jekyll serve on one machine, a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC.
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What is the difference between Ruby 1.8 and Ruby 1.9
I'm not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different?
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SQL Logic Operator Precedence: And and Or
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