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How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
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Git merge errors
...9-sign-in-out with perfectly working code, and I want to turn it into the master. I'm currently on the master branch.
5 An...
Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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Sharing a result queue among several processes
The documentation for the multiprocessing module shows how to pass a queue to a process started with multiprocessing.Process . But how can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (r...
How to add multi line comments in makefiles
Is there a way to comment out multiple lines in makefiles like as in C syntax /* */ ?
6 Answers
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With Git, how do I turn off the “LF will be replaced by CRLF” warning
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edited Jan 6 '16 at 15:02
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How to use C++ in Go
... new Go language, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go?
12 Answers
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How to count the number of true elements in a NumPy bool array
I have a NumPy array 'boolarr' of boolean type. I want to count the number of elements whose values are True . Is there a NumPy or Python routine dedicated for this task? Or, do I need to iterate over the elements in my script?
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Declare slice or make slice?
In Go, what is the difference between var s []int and s := make([]int, 0) ?
4 Answers
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Bash script to set up a temporary SSH tunnel
...ing SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledomain.com
Master running (pid=3517)
$ ssh -S my-ctrl-socket...