大约有 2,540 项符合查询结果（耗时：0.0114秒） [XML]
Is returning null bad design? [closed]
...od. People argue against the 2nd one say it's poorer performance - but as Unix Philosophy says, "value human time over machine time" (i.e. trivially slower performance wastes less time than developers debugging code that is giving spurious errors).
– Sridhar Sarnobat
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Delete specific line number(s) from a text file using sed?
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Not all unixes have gnu sed with "-i". Don't make the mistake of falling back to "sed cmd file > file", which will wipe out your file.
– pra
Jan 22 '10 at 6:53
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How to create directories recursively in ruby?
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Use mkdir_p:
FileUtils.mkdir_p '/a/b/c'
The _p is a unix holdover for parent/path you can also use the alias mkpath if that makes more sense for you.
FileUtils.mkpath '/a/b/c'
In Ruby 1.9 FileUtils was removed from the core, so you'll have to require 'fileutils'.
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Automatically start forever (node) on system restart
...eCreek that /etc/rc.local is the more appropriate place to add this - see: unix.stackexchange.com/a/59945 for a great explanation.
– So Over It
Jun 7 '13 at 12:45
2
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Writing Unicode text to a text file?
... control character), and the name of the symbol. e.g.
I recommend less on Unix or Cygwin (don't print/cat the entire file to your output):
$ less unidata
e.g. will display similar to the following lines which I sampled from it using Python 2 (unicode 5.2):
0 Cc NUL
20 Zs SPACE
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socket.emit() vs. socket.send()
...eaders of this post, that this is about socket.io, not node.js TCP, UDP or Unix sockets.
– aredridel
Nov 25 '12 at 16:42
3
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Safe characters for friendly url [closed]
... Actually, in our case using it as a file path would be ok, since in unix files are allowed to have multiple, and even consecutive, dots in their names. For us, the problem arose in a monitoring tool called Site Scope which has a bug (perhaps a naive regex) and it was reporting spurious false...
Best algorithm for detecting cycles in a directed graph [closed]
...ase, then a topological sort implementation may in any case detect cycles. UNIX tsort certainly does. I think it is likely that it is therefore more efficient to detect cycles at the same time as tsorting, rather than in a separate step.
So the question might become, "how do I most efficiently tsor...
SVN encrypted password store
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Execute a command line binary with Node.js
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Node JS v13.9.0, LTS v12.16.1, and v10.19.0 --- Mar 2020
Async method (Unix):
'use strict';
const { spawn } = require( 'child_process' );
const ls = spawn( 'ls', [ '-lh', '/usr' ] );
ls.stdout.on( 'data', data => {
console.log( `stdout: ${data}` );
} );
ls.stderr.on( 'data', data =>...