大约有 48,000 项符合查询结果（耗时：0.0780秒） [XML]
Sorting data based on second column of a file
... numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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Track the time a command takes in UNIX/LINUX?
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165
Yes, use time <command>, such as
time ls
Consult man time for more options. Link.
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Fixing the order of facets in ggplot
... a factor in your dataframe by:
temp$size_f = factor(temp$size, levels=c('50%','100%','150%','200%'))
Then change the facet_grid(.~size) to facet_grid(.~size_f)
Then plot:
The graphs are now in the correct order.
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How to intercept all AJAX requests made by different JS libraries
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jfriend00jfriend00
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...asher that is default implemented in the UserManager that comes with MVC 5 and ASP.NET Identity Framework, is secure enough? And if so, if you could explain to me how it works?
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How do I delete/remove a shell function?
...t Gamble
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How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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Is there a way to make a link clickable in the OSX Terminal?
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edited Jul 7 '12 at 15:06
Joshua Muheim
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Is it valid to have a tag inside another tag?
... be included within another <section> tag? Will it validate in HTML5?
3 Answers
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How do I show an open file in eclipse Package Explorer?
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415
There is a button in the Package Explorer view that looks like two yellow arrows pointed at left...