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How to store a command in a variable in a shell script?
I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself)
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JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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How do you make a deep copy of an object?
It's a bit difficult to implement a deep object copy function. What steps you take to ensure the original object and the cloned one share no reference?
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
I am using java language,I have a method that is supposed to return an object if it is found.
36 Answers
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C++11 emplace_back on vector?
Consider the following program:
8 Answers
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Single quotes vs. double quotes in C or C++
When should I use single quotes and double quotes in C or C++ programming?
12 Answers
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...局 页头二级导航栏广告：广告 HTML 代码如下:<div id="dzf" class="cl"><style type="text css"...后台“运营”、“站点广告”、“广告列表 - 全局 页头二级导航栏广告”：
广告 HTML 代码如下:
<div id="dzf" class="cl">
<style type="text/css">
#dzf{p...
How to convert index of a pandas dataframe into a column?
This seems rather obvious, but I can't seem to figure out how to convert an index of data frame to a column?
7 Answers
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How can I use a C++ library from node.js?
How can I use a C++ library from node.js?
8 Answers
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Check if something is (not) in a list in Python
I have a list of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch)
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