大约有 40,000 项符合查询结果（耗时：0.0413秒） [XML]
What is the most elegant way to remove a path from the $PATH variable in Bash?
...ATH} | awk -v RS=: -v ORS=: '/SDE/ {next} {print}'`
Edit: It response to comments below:
$ export a="/a/b/c/d/e:/a/b/c/d/g/k/i:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i"
$ echo ${a}
/a/b/c/d/e:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i
## Remove multiple (any directory with a: all of them)
$ echo ${a} | awk -v RS=...
Where can I set environment variables that crontab will use?
...ave 'cron' run a shell script that sets the environment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Mi...
Is it possible to make anonymous inner classes in Java static?
...
No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests changing anonymous inner classes to named static nested classes if they don't use their implicit this reference.
Edit: Tom Hawtin - tackline says that if the...
Cannot run Eclipse; JVM terminated. Exit code=13
...answered Feb 9 '11 at 13:22
mecscomecsco
2,24011 gold badge1313 silver badges2525 bronze badges
...
Python idiom to return first item or None
...
|
show 8 more comments
218
...
download file using an ajax request
...
Update April 27, 2015
Up and coming to the HTML5 scene is the download attribute. It's supported in Firefox and Chrome, and soon to come to IE11. Depending on your needs, you could use it instead of an AJAX request (or using window.location) so long as t...
HTML text input allow only numeric input
...
Note: This is an updated answer. Comments below refer to an old version which messed around with keycodes.
JavaScript
Try it yourself on JSFiddle.
You can filter the input values of a text <input> with the following setInputFilter function (supports...
Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
...
add a comment
|
32
...
Select2 doesn't work when embedded in a bootstrap modal
...
|
show 14 more comments
256
...
Why does Oracle 9i treat an empty string as NULL?
...
add a comment
|
60
...