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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...ke a look at cat /proc/stat grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}' EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for so...
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How to generate keyboard events in Python?

... +50 It can be done using ctypes: import ctypes from ctypes import wintypes import time user32 = ctypes.WinDLL('user32', use_last_error=T...
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Remove querystring from URL

... 10 Answers 10 Active ...
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How to write a cron that will run a script every day at midnight?

...how to use it on Ubuntu. Your crontab line will look something like this: 00 00 * * * ruby path/to/your/script.rb (00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every month.) Syntax: mm hh dd mt wd command mm minute 0-59 hh hour 0-23 dd day of month 1-...
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How do I create test and train samples from one dataframe with pandas?

...ering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. 23 Answers...
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Checking images for similarity with OpenCV

...ue (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different. ...
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Array initializing in Scala

... | edited Jun 1 '11 at 12:09 answered Oct 7 '10 at 11:11 Va...
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How do I execute a command and get the output of the command within C++ using POSIX?

...ited Dec 5 '18 at 2:16 gregpaton08 31122 silver badges77 bronze badges answered Jan 26 '09 at 6:12 waqaswaqas ...
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Build tree array from flat array in javascript

...on has : id : a unique id, parentId : the id of the parent node (which is 0 if the node is a root of the tree) level : the level of depth in the tree ...
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How can I implode an array while skipping empty array items?

...ode('-', array_filter($array)); Obviously this will not work if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function. share ...