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How to calculate the CPU usage of a process by PID in Linux from C?
...ed on cafs answer to calculate the user+kernel cpu usage of of an process:
https://github.com/fho/code_snippets/blob/master/c/getusage.c
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What is the runtime performance cost of a Docker container?
...d server versus host native memcached server using Twemperf benchmark tool https://github.com/twitter/twemperf with 5000 connections and 20k connection rate
Connect time overhead for docker based memcached seems to agree with above whitepaper at roughly twice native speed.
Twemperf Docker Memcache...
Calling C/C++ from Python?
...ght version of Boost.Python and compatible with all modern C++ compilers:
https://pybind11.readthedocs.io/en/latest/
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How can I import a database with MySQL from terminal?
...
Directly from var/www/html
mysql -u username -p database_name < /path/to/file.sql
From within mysql:
mysql> use db_name;
mysql> source backup-file.sql
sh...
React.js: onChange event for contentEditable
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Edit 2015
Someone has made a project on NPM with my solution: https://github.com/lovasoa/react-contenteditable
Edit 06/2016: I've just encoutered a new problem that occurs when the browser tries to "reformat" the html you just gave him, leading to component always re-rendering. See
Ed...
Dump Mongo Collection into JSON format
...lter for the query, or a list of fields to output
Read more here: http://www.mongodb.org/display/DOCS/mongoexport
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Can I mask an input text in a bat file?
...:: Hidden.cmd
::Tom Lavedas, 02/05/2013, 02/20/2013
::Carlos, 02/22/2013
::https://groups.google.com/forum/#!topic/alt.msdos.batch.nt/f7mb_f99lYI
@Echo Off
:HInput
SetLocal EnableExtensions EnableDelayedExpansion
Set "FILE=%Temp%.\T"
Set "FILE=.\T"
Keys List >"%File%"
Set /P "=Hidden text endin...
What's the Point of Multiple Redis Databases?
...hinks it's a bad idea to use multiple DBs in Redis. See his comment here:
https://groups.google.com/d/topic/redis-db/vS5wX8X4Cjg/discussion
I understand how this can be useful, but unfortunately I consider
Redis multiple database errors my worst decision in Redis design at
all... without ...
Call to undefined method mysqli_stmt::get_result
...lled on your webspace you will have to work with BIND_RESULT & FETCH!
https://secure.php.net/manual/en/mysqli-stmt.bind-result.php
https://secure.php.net/manual/en/mysqli-stmt.fetch.php
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Exposing database IDs - security risk?
... a business I'd highly suggest keeping your private ids out of public eye. https://medium.com/lightrail/prevent-business-intelligence-leaks-by-using-uuids-instead-of-database-ids-on-urls-and-in-apis-17f15669fd2e
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