大约有 47,000 项符合查询结果（耗时：0.0572秒） [XML]
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...
Update
data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
...
How do you disable viewport zooming on Mobile Safari?
...lease notes:
To improve accessibility on websites in Safari, users can now
pinch-to-zoom even when a website sets user-scalable=no in the
viewport.
So as far as I understand, we are sh** out of luck.
share
...
How to change tab size on GitHub?
...ives some more information about the embedded IDE.
However, provided you know the url of the blob (file) you're willing to review, you can switch to the edit mode easily by changing the blob segment with an edit segment and use the dropdown to select your prefered tab size.
Standard view: https...
What's the difference between an object initializer and a constructor?
...bject calling default constructor
tmp.Name = "a";
tmp.Age = 23;
p = tmp;
Now this facilitates behaviour like this. Knowing how object initializers work is important.
share
|
improve this answer
...
How to reduce iOS AVPlayer start delay
... any given time have a maximum of 2 AVPlayers loaded.
Of course I don't know whether the switching can be done so smoothly that it does not disturb playback.
(Would have added this as a comment if I could.)
Best, Peter
...
View the Task's activity stack
...Destroy=false thumbnailNeeded=false idle=true
waitingVisible=false nowVisible=true
* Hist #7: HistoryRecord{44d174d0 com.android.contacts/.DialtactsContactsEntryActivity}
packageName=com.android.contacts processName=android.process.acore
launchedFromUid=10004 app=ProcessR...
Where to find Java JDK Source Code? [closed]
... just had to tell Eclipse where this file is and I could see the code. But now I don't have the file anymore...
11 Answers
...
What is a mixin, and why are they useful?
...ass and class NewChildN(NewBehaviorMixin, ChildN): pass, etc. (PS: Do you know a better way?)
– RayLuo
Oct 18 '16 at 0:57
|
show 5 more comm...
How to loop through file names returned by find?
...as read -d $'\0' but I can't find any official documentation on that right now.
– phk
Mar 13 '16 at 1:00
...
Select which href ends with some string
... something changed recently. $('[href$=-abc]') used to work. Now it requires quotes $('[href$="-abc"]') I don't know when it changed. Maybe it was always supposed to require quotes and just happened to work before.
– gman
Jul 25 '11 at 7:34
...