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Environment variables in Mac OS X
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@Andrew OK, root has its own launchd - ps aux | grep launchd will show this. Also check man sudo, which documents that sudo (by default) deliberately resets the environment - if you sudo -E it will preserve the environment (including variables you've set with laun...
git push says “everything up-to-date” even though I have local changes
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What the heck is meant by "your-new-branch-name"? Ps: You are soooo right about newcomers.
– www-0av-Com
Jan 2 '18 at 23:36
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How do I use shell variables in an awk script?
... you search for. Can be solved by using ENVIRON[] or access it via ARGV[]
PS If you like three vertical bar as separator |||, it can't be escaped, so use -F"[|][|][|]"
Example on getting data from a program/function inn to awk (here date is used)
awk -v time="$(date +"%F %H:%M" -d '-1 minute'...
What is the difference between an ORM and an ODM?
... ODM, as far as I understand the concept, ORM (Object Relational Mapper) maps the relations between data, where as ODM (Object Document Mapper) deals with documents. Am I right in assuming that mySQL is an example of ORM and MongoDB is a example of ODM?
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...a学习教程
lua参考手册Lua参考手册的中文翻译（云风翻译版本）
关于Lua的标库，你可以看看官方文档：string， table， math， io， os。
（全文完）
Lua 简明教程
How does a Linux/Unix Bash script know its own PID?
...ess. It might be a bit ugly, but it works. Example:
sleep 1 &
mypid=$(ps -o ppid= -p "$!")
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Revert the `--no-site-packages` option with virtualenv
... include-system-site-packages = false Change this value and call Activate.ps1
– georgik
May 24 '15 at 12:12
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Nohup is not writing log to output file
... > cmd.log &
or
nohup python -u ./cmd.py > cmd.log &
https://docs.python.org/2/using/cmdline.html#cmdoption-u
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Is it possible to delete an object's property in PHP?
...se, unset($object['literal_key']) and unset($object->{'literal_key'})). PS Hm, I may be wrong, though, in thinking the thing I'm editing is an object, not an array
– YakovL
Jan 5 '19 at 13:28
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Why is $$ returning the same id as the parent process?
...was ***
dd if=/dev/diskx of=/dev/disky
Then you would use:
PIDs=$(ps | grep dd | grep if | cut -b 1-5)
What happens here is it pipes all needed unique characters to a field and that field can be echoed using
echo $PIDs
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