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Parallelize Bash script with maximum number of processes
...at you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs process...
How to detect if a script is being sourced
...URCED:
< COLUMNS=152
< HISTCMD=117
< LINES=47
< PPID=9163
< PS1='$ '
< RANDOM=29667
< SECONDS=23.652
< level=1
< lineno=1
< SHLVL=2
There is some variable herited in a sourced run, but nothing really related...
You could even check that $SECONDS is close to 0.000...
What's the best visual merge tool for Git? [closed]
...f Meld for Windows is the most recent release, available as an MSI from https://meldmerge.org"
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HTML5 Video Dimensions
...deo
vid.videoWidth; // returns the intrinsic width of the video
Spec: https://html.spec.whatwg.org/multipage/embedded-content.html#the-video-element
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What Process is using all of my disk IO
... iotop seems to be showing I/O bandwidth rather than the number of IOPS consumed by processes. This is not super relevant. A process doing lots of small writes+sync is going to consume more of the disk's IO capacity than a process writing a large contiguous batch of data at high speed.
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Getting the PublicKeyToken of .Net assemblies
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another option:
if you use PowerShell, you can find out like:
PS C:\Users\Pravat> ([system.reflection.assembly]::loadfile("C:\Program Files (x86)\MySQL\Connector NET 6.6.5\Assemblies\v4.0\MySql.Data.dll")).FullName
like
PS C:\Users\Pravat> ([system.reflection.assembly]::loadfil...
How to stop mongo DB in one command
...n you can stop mongodb (currently mongod in ubuntu) as follows:
Upstart: sudo service mongod stop
Sysvinit: sudo /etc/init.d/mongod stop
Or on Mac OS X
Find PID of mongod process using $ top
Kill the process by $ kill <PID> (the Mongo docs have more info on this)
Or on Red Hat...
北漂90后张鸿润：创业不做于佳文 坚持就好 - 资讯 - 清泛网 - 专注C/C++及内核技术
...创业不做于佳文 坚持就好总归要有那么一些人去呵护住最后那点理想的火星，用实际行动坚持初心，引导新的创业方向。
8月30日，作为90后典型创业者余佳文、马佳佳被联想董事长兼主席杨元庆炮轰，指责他“忽悠吹牛，虚报...
How do I get the size of a java.sql.ResultSet?
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ResultSet rs = ps.executeQuery();
int rowcount = 0;
if (rs.last()) {
rowcount = rs.getRow();
rs.beforeFirst(); // not rs.first() because the rs.next() below will move on, missing the first element
}
while (rs.next()) {
// do your stan...
Center a popup window on screen?
...At this rate, we will have an answer for 5 monitors in 2020, 6 monitors in 2025, 7 monitors in 2030... let's keep this cycle going!
– Tony M
Mar 20 '15 at 20:34
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