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How would I get a cron job to run every 30 minutes?
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edited Sep 27 '11 at 13:45
Tim Cooper
138k3434 gold badges286286 silver badges249249 bronze badges
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Generating a list of which files changed between hg versions
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166
hg status --rev x:y
where x and y are desired revision numbers (or tag or branch names).
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Can you add new statements to Python's syntax?
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13 Answers
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Select first 4 rows of a data.frame in R
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156
Use head:
dnow <- data.frame(x=rnorm(100), y=runif(100))
head(dnow,4) ## default is 6
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Difference between adjustResize and adjustPan in android?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jul 1 '13 at 17:47
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int value under 10 convert to string two digit number
in here, if i = 1 then ToString yields "1"
6 Answers
6
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How can I remove a character from a string using Javascript?
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18 Answers
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Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会变www.j...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会变www.j...
Disable spell checking on IntelliJ IDEA
I'm trying to disable spell checking in MacOS's IntelliJ IDEA version 8.1.
11 Answers
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