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Automating “enter” keypresses for bash script generating ssh keys
...o create script, which simply runs ssh-keygen -t rsa . But how to pass to it 3 times enter?
5 Answers
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node and Error: EMFILE, too many open files
...is process.
(e.g. graceful-fs isn't gonna fix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs ...
How to redirect output to a file and stdout
...andard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee command.
Furthermore, if you want to append to the log file, use tee -a as:
program [arguments...] 2>&1 | tee -a outfile
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When is each sorting algorithm used? [closed]
What are the use cases when a particular sorting algorithm is preferred over others - merge sort vs QuickSort vs heapsort vs 'intro sort', etc?
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Do you put unit tests in same project or another project?
Do you put unit tests in the same project for convenience or do you put them in a separate assembly?
15 Answers
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Retrieve CPU usage and memory usage of a single process on Linux?
...usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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Can I load a UIImage from a URL?
I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again?
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setting an environment variable in virtualenv
I have a Heroku project that uses environment variables to get its configuration, but I use virtualenv to test my app locally first.
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Keep overflow div scrolled to bottom unless user scrolls up
I have a div that is only 300 pixels big and I want it to when the page loads scroll to the bottom of the content. This div has content dynamically added to it and needs to stay scrolled all the way down. Now if the user decides to scroll up I don't want it to jump back to the bottom until the user ...
How to select bottom most rows?
...>Z order, but select the top 200 in Z->A order this is one way to do it. The other answers, suggesting just changing the ORDER BY will not return the same results described in the question, as they will be out of order (unless order doesn't matter, which the OP did not say).
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