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Timeout a command in bash without unnecessary delay

... I think this is precisely what you are asking for: http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3 #!/bin/bash # # The Bash shell script executes a command with a time-out. # Upon time-out expiration SIGTERM (15) is sent to the process. If the signal # is...
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Throw away local commits in Git

Due to some bad cherry-picking, my local Git repository is currently five commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again. ...
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What is the most efficient/elegant way to parse a flat table into a tree?

Assume you have a flat table that stores an ordered tree hierarchy: 14 Answers 14 ...
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Pandas every nth row

... find a way of getting every nth row from non-timeseries data. What is the best method? 5 Answers ...
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How to shrink/purge ibdata1 file in MySQL

...g statistics in R, that is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A. ...
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How do I return the response from an asynchronous call?

... → For a more general explanation of async behaviour with different examples, please see Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference → If you already understand the problem, skip to the possible solutions below....
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How does “cat

...wikipedia.org/wiki/Here_document#Unix_shells for more details. From man bash: Here Documents This type of redirection instructs the shell to read input from the current source until a line containing only word (with no trailing blanks) is seen. All of the lines read up to th...
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How to convert “camelCase” to “Camel Case”?

I’ve been trying to get a JavaScript regex command to turn something like "thisString" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas? ...
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How to remove/delete a large file from commit history in Git repository?

I accidentally dropped a DVD-rip into a website project, then carelessly git commit -a -m ... , and, zap, the repo was bloated by 2.2 gigs. Next time I made some edits, deleted the video file, and committed everything, but the compressed file is still there in the repository, in history. ...
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std::shared_ptr of this

... There is std::enable_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolv...