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Pandas convert dataframe to array of tuples
I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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Static variable inside of a function in C
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Aren't Python strings immutable? Then why does a + “ ” + b work?
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Which characters need to be escaped when using Bash?
Is there any comprehensive list of characters that need to be escaped in Bash? Can it be checked just with sed ?
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How to make vim paste from (and copy to) system's clipboard?
Unlike other editors, vim stores copied text in its own clipboard. So, it's very hard for me to copy some text from a webpage and paste it into the current working file. It so happens I have to either open gedit or type it manually.
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How can I use a C++ library from node.js?
How can I use a C++ library from node.js?
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C2B和B2C、罗辑思维、吴晓波书友会
过去的模式基本都是B2C或者，b2b2c，总之B总是排前面，商品在前，商家说了算。
有钱人去开设工厂，然后设置分销体系，有点品牌意...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
In a small application written in C/C++, I am facing a problem with the rand function and maybe the seed :
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Getting a structural type with an anonymous class's methods from a macro
Suppose we want to write a macro that defines an anonymous class with some type members or methods, and then creates an instance of that class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely...
Switching the order of block elements with CSS [duplicate]
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