大约有 20,620 项符合查询结果（耗时：0.0301秒） [XML]
How to sort an array in descending order in Ruby
...00 ( 3.990886)
sort reverse 4.040000 0.000000 4.040000 ( 4.038849)
sort_by -a[:bar] 0.690000 0.000000 0.690000 ( 0.692080)
sort_by a[:bar]*-1 0.700000 0.000000 0.700000 ( 0.699735)
sort_by.reverse! 0.650000 0.000000 0.650000 ( 0.654447)
I think it's inter...
Tips for debugging .htaccess rewrite rules
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– hexerei software
Mar 31 '15 at 23:38
@hexereisoftware, this post is 3 years old, so there may be subtle issues depen...
How can Xml Documentation for Web Api include documentation from beyond the main project?
...r
– Mark van Straten
Apr 7 '15 at 8:38
2
I would like to add my modifications on top of some of t...
OOP vs Functional Programming vs Procedural [closed]
...roken).
– greyfade
Apr 24 '12 at 16:38
2
@tastro: When one paradigm makes more sense than the oth...
Maven: The packaging for this project did not assign a file to the build artifact
...
answered Jul 1 '16 at 14:38
A_Di-MatteoA_Di-Matteo
22.3k66 gold badges7171 silver badges105105 bronze badges
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git replacing LF with CRLF
... root
– Hammad Khan
Oct 13 '14 at 6:38
26
I don't understand how this can be useful. Half the peo...
make_unique and perfect forwarding
...|
edited May 12 '12 at 17:38
answered Aug 12 '11 at 9:53
Ke...
Position Relative vs Absolute?
...the doc.
– Fernando
Sep 30 '13 at 0:38
add a comment
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How to make Java honor the DNS Caching Timeout?
...ormation?
– rustyx
Oct 25 '14 at 21:38
4
@rustyx Oracle's 1.6 and 1.7 JDK has this in jre/lib/sec...
Mean per group in a data.frame [duplicate]
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38
You can also use package plyr, which is somehow more versatile:
library(plyr)
ddply(d, .(Name...