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Tuning nginx worker_process to obtain 100k hits per min

...vailable } worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are proxying) # Total amount of users you can serve = worker_processes * worker_connections more info: Optimizing nginx for high traffic loads ...
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Rails Model find where not equal

...is is the only refactor you are going to make, it is not worth using a gem and I would just stick with what you got. Squeel is useful in situations where you have many complex queries interacting with Ruby code. share ...
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@Media min-width & max-width

...ult CSS for the older browsers, as older browsers including i.e. 5.5, 6, 7 and 8. Can't read @media. When I use @media I use it like this: <style type="text/css"> /* default styles here for older browsers. I tend to go for a 600px - 960px width max but using percentages */ ...
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Python argparse ignore unrecognised arguments

Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified. ...
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Read user input inside a loop

...;0 BTW, if you really are using cat this way, replace it with a redirect and things become even easier: while read line; do read -u 3 input echo "$input" done 3<&0 <notify-finished Or, you can swap stdin and unit 3 in that version -- read the file with unit 3, and just leave s...
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How to deal with “data of class uneval” error from ggplot2?

... No its not! and yes you will! Glad I could steer you in the right direction and now its here for posterity. – Justin May 10 '13 at 16:39 ...
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How do I forward parameters to other command in bash script?

...script can recognize them), then forward the remaining parameters to a command invoked in the script. How can I do that? 3 ...
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?

.... Believe me, it's a really good idea. Once you've inspected the results, and you're very confident that you have what you want, you can remove the backed up ref: git update-ref -d refs/original/refs/heads/master or if you did this to many refs, and you want to wipe it all out: git for-each-ref...
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@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)

...e code below) You call the when method after doReturn, doThrow or doAnswer and pass a mock, but forget to provide the method that you are trying to stub. (Error 3 in the code below) If you don't have validation of framework usage, these mistakes are not reported until the following call to a Mock...
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What is the at sign (@) in a batch file and what does it do?

... At symbol - @ The @ symbol tells the command processor to be less verbose; to only show the output of the command without showing it being executed or any prompts associated with the execution. When used it is prepended to the beginning of the command, it is not nec...