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How to list the size of each file and directory and sort by descending size in Bash?
... @ErikTrautman to list the files also you need to add -a and use --all instead of --max-depth=1 like so du -a -h --all | sort -h
– Franco
Jun 14 '14 at 1:40
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world.
...
Detach (move) subdirectory into separate Git repository
...br2 br3; do git branch -t $i origin/$i; done
git remote rm origin
or for all remote branches:
cd /ABC
for i in $(git branch -r | sed "s/.*origin\///"); do git branch -t $i origin/$i; done
git remote rm origin
Now you might want to also remove tags which have no relation with the subproject; you ...
Check synchronously if file/directory exists in Node.js
... Note that fs.exists() is deprecated, but fs.existsSync() is not. (The
callback parameter to fs.exists() accepts parameters that are
inconsistent with other Node.js callbacks. fs.existsSync() does not
use a callback.)
You've specifically asked for a synchronous check, but if you can use an ...
How to stop a goroutine
I have a goroutine that calls a method, and passes returned value on a channel:
6 Answers
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Where can I find the error logs of nginx, using FastCGI and Django?
... For an answer on how to look. I was looking for logs from a different installation of nginx and it wasn't in the top answer.
– Robert Dundon
Dec 9 '16 at 15:23
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Find out whether Chrome console is open
... answer. This solution takes advantage of the fact that toString() is not called on logged objects unless the console is open.
var devtools = /./;
devtools.toString = function() {
if (!this.opened) {
alert("Opened");
}
this.opened = true;
}
console.log('%c', devtools);
// devtools.ope...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... mongod like this to avoid performance problems: numactl –interleave=all mongod [other options]
当时我并不太清楚NUMA是什么东西，所以没有处理，只是把问题反馈给了运维人员，后来知道运维人员也没有理会这茬儿，所以问题的序幕就这样拉开...
rsync: how can I configure it to create target directory on server?
I would like to rsync from local computer to server. On a directory that does not exist, and I want rsync to create that directory on the server first.
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How do I list the functions defined in my shell?
I can type alias to show a list of all the aliases.
8 Answers
8
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