大约有 44,000 项符合查询结果（耗时：0.0788秒） [XML]
AngularJS changes URLs to “unsafe:” in extension page
...for white listing the image screen shots i am capturing with html2canvas , now there is no error that says unsafe:data; but the image is not getting captured. Any idea what regular expression i shall use ? I am capturing a image/png as base64 url. Now the html looks like : <img ng-src="data:," cl...
How do MySQL indexes work?
...
The first thing you must know is that indexes are a way to avoid scanning the full table to obtain the result that you're looking for.
There are different kinds of indexes and they're implemented in the storage layer, so there's no standard between t...
Styling text input caret
...
In CSS3, there is now a native way to do this, without any of the hacks suggested in the existing answers: the caret-color property.
There are a lot of things you can do to with the caret, as seen below. It can even be animated.
/* Keyword v...
Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
...
Configure Sublime Text on OS X to show full directory path in title bar
...ttings.
{
"show_full_path": true,
"save_on_focus_lost": true
}
Now save this settings file.
Now you should be able to see the full path in the title bar.
(NOTE: for me I didn't need to restart Sublime see the path in the title bar, but I think I had to when I was using the Windows ve...
Why is using a wild card with a Java import statement bad?
...IDE (since your argument is that I shouldn't have to use one), how will I know which package Foo came from? Sure, using an IDE, the IDE will tell me, but your entire argument is that I should be able to read the code without one. Doing explicit imports help document the code (great reason to avoid w...
Application_Error not firing when customerrors = “On”
..., simple remove the line which registers the HandleErrorAttribute filter.
Now the problem is: How to configure the customErrors to get what you want...
The customErrors section defaults to redirectMode="ResponseRedirect". You can specify the defaultRedirect attribute to be a MVC route too. I creat...
Sublime Text 2: Trim trailing white space on demand
I know that Sublime Text 2 can delete the trailing white space on files upon saving.
5 Answers
...
Git ignore file for Xcode projects
...entially corrupting our live projects. This IMHO is unacceptable, and I've now started logging bugs against it each time they do so. I know they don't care, but maybe it'll shame one of them into treating developers more fairly.
If you need to customize, here's a gist you can fork: https://gist.g...
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
...