大约有 47,000 项符合查询结果（耗时：0.0592秒） [XML]
How to get the contents of a webpage in a shell variable?
...
answered Sep 18 '10 at 18:46
codaddictcodaddict
395k7777 gold badges473473 silver badges507507 bronze badges
...
Multiple file extensions in OpenFileDialog
...ered Jan 17 '11 at 7:26
user541686user541686
183k107107 gold badges458458 silver badges806806 bronze badges
...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...
answered Sep 1 '08 at 2:55
Rob WalkerRob Walker
42.7k1313 gold badges9292 silver badges133133 bronze badges
...
Is the order of elements in a JSON list preserved?
...
385
Yes, the order of elements in JSON arrays is preserved. From RFC 7159 -The JavaScript Object No...
using gitignore to ignore (but not delete) files
...
183
Instead of .gitignore, you can update local git repository by running following command:
git u...
Cleanest and most Pythonic way to get tomorrow's date?
...comment, leap days pose no problem:
>>> datetime.date(2004, 2, 28) + datetime.timedelta(days=1)
datetime.date(2004, 2, 29)
>>> datetime.date(2004, 2, 28) + datetime.timedelta(days=2)
datetime.date(2004, 3, 1)
>>> datetime.date(2005, 2, 28) + datetime.timedelta(days=1)
da...
format statement in a string resource file
... Sufian
5,7071313 gold badges5454 silver badges108108 bronze badges
answered Jan 2 '14 at 16:55
LocalPCGuyLocalPCGuy
5,26222 go...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...
smileBot
18.4k77 gold badges6060 silver badges6262 bronze badges
answered Jan 4 '14 at 21:37
coverbackcoverback...
How to sort a dataframe by multiple column(s)
...; dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
Edit some 2+ years later: It was just asked how to do this by column index. The answer is to simply pass the desired sorting column(s) to the order() function:
R> dd[order(-dd[,4], dd[,1]), ]
b x y ...