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Calling JMX MBean method from a shell script
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106
The following command line JMX utilities are available:
jmxterm - seems to be the most fully...
Proper way to wait for one function to finish before continuing?
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145
One way to deal with asynchronous work like this is to use a callback function, eg:
function ...
GSON - Date format
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312
It seems that you need to define formats for both date and time part or use String-based format...
Find the day of a week
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df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Date(df$date))
df
## date day
## 1 2012-02-01 Wednesday
## 2 2012-02-01 Wednesday
## 3 2012-02-02 Thursday
Edit: Just to show another way...
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Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Apache两种工作模式区别及配置切换1、Redhat Linux下查看apache版本号在Apache安装目录bin下，使用以下命令查看即可。使用命令：. httpd -v示例：2、查看Apache当前工作模...1、Redhat Linux下查看apache版本号
在Apache安装目录bin下，使用以下...
How to check for null in Twig?
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edited Dec 7 '11 at 15:28
answered Dec 23 '10 at 16:12
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What is the difference between int, Int16, Int32 and Int64?
What is the difference between int , System.Int16 , System.Int32 and System.Int64 other than their sizes?
10 Answers
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