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常用Linux命令详解(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...netstat等。一、注销,关机,重启,新建用户、删除用户
1. 注销系统的命令
logout 、exit
这两个命令都可以用来退出当前所登录的服务器,若想再次进入服务器需要重新输入用户名和密码
2.关机或重新启动的命令
shutdown
用来...
Use rvmrc or ruby-version file to set a project gemset with RVM?
...r with .ruby-version).
For example, if you have a simple .rvmrc:
rvm use 1.9.3@my-app
It can be transformed to .ruby-version:
1.9.3
And .ruby-gemset:
my-app
Be sure to remove the .rvmrc file as it takes precedence over any other project configuration files:
rm .rvmrc
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How to run crontab job every week on Sunday
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10 Answers
10
Active
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How to sort objects by multiple keys in Python?
...ns):
from operator import itemgetter
comparers = [((itemgetter(col[1:].strip()), -1) if col.startswith('-') else
(itemgetter(col.strip()), 1)) for col in columns]
def comparer(left, right):
for fn, mult in comparers:
result = cmp(fn(left), fn(right))...
Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
22 Answers
22
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Getting result of dynamic SQL into a variable for sql-server
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DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @...
Loop through an array of strings in Bash?
I want to write a script that loops through 15 strings (array possibly?) Is that possible?
19 Answers
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Making a Location object in Android with latitude and longitude values
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313
Assuming that you already have a location object with you current location.
Location targetLoc...
