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Reusing output from last command in Bash
Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status.
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How to concatenate two strings in C++?
I have a private class variable char name[10] to which I would like to add the .txt extension so that I can open the file present in the directory.
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Remove last character from C++ string
How can I remove last character from a C++ string?
10 Answers
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Python equivalent of D3.js
Can anyone recommend a Python library that can do interactive graph visualization?
15 Answers
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...外不依赖于任何环境（包括static），这样的函数就是purecode（纯代码）可重入，可以允许有该函数的多个副本在运行，由于它们使用的是分离的栈，所以不会互相干扰。一、可重入(reentrance)函数：
首先来看下APUE中，列出的可重...
How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
How to sum all column values in multi-dimensional array?
How can I add all the columnar values by associative key? Note that key sets are dynamic.
20 Answers
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What's the difference between jquery.js and jquery.min.js?
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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
Error “The connection to adb is down, and a severe error has occurred.”
I've spent days trying to launch any Android program. Even "Hello World" gives me the same error:
39 Answers
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