大约有 48,000 项符合查询结果(耗时:0.0887秒) [XML]

https://stackoverflow.com/ques... 

Regex: ?: notation (Question mark and colon notation) [duplicate]

I have the following Java regex, which I didn't write and I am trying to modify: 2 Answers ...
https://stackoverflow.com/ques... 

Get value of a string after last slash in JavaScript

I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy: 10 An...
https://stackoverflow.com/ques... 

How to stage only part of a new file with git?

... Whoa, all that update-index and hash-object business seems overly complicated. How about this instead: git add -N new_file git add -i From git help add: -N, --intent-to-add Record only the fact that the path will be added later. An entry f...
https://stackoverflow.com/ques... 

What is the correct syntax for 'else if'?

... python "else if" is spelled "elif". Also, you need a colon after the elif and the else. Simple answer to a simple question. I had the same problem, when I first started (in the last couple of weeks). So your code should read: def function(a): if a == '1': print('1a') elif a == '2...
https://stackoverflow.com/ques... 

How do I check if an element is hidden in jQuery?

... It is the same as twernt's suggestion, but applied to a single element; and it matches the algorithm recommended in the jQuery FAQ. We use jQuery's is() to check the selected element with another element, selector or any jQuery object. This method traverses along the DOM elements to find a match...
https://stackoverflow.com/ques... 

How do I see the last 10 commits in reverse-chronological order with SVN?

Using the SVN command line, is there a way to show the last X number of commits along with commit messages, in reverse-chronological order (newest commit first)? ...
https://stackoverflow.com/ques... 

How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?

... Entity Framework environment like I did check out the answer below by Alejandro and the comment by wasatchWizard. – Mike Devenney Apr 13 '17 at 17:05 11 ...
https://stackoverflow.com/ques... 

Inserting a text where cursor is using Javascript/jquery

... This worked great, but it doesn't handle replacing selected text as all text editors do. This may not be needed for the poster's original question, but if you need it, you can simply replace 'strPos' with 'txtArea.selectionEnd'. My answer below shows this, a...
https://stackoverflow.com/ques... 

Why are joins bad when considering scalability?

...rk unit. To scale well, you don't do anything you don't need to in volume, and the things you actually do you make sure are done as efficiently as possible. In that context, of course joining two separate data sources is relatively slow, at least compared to not joining them, because it's work you n...
https://stackoverflow.com/ques... 

MySQL DISTINCT on a GROUP_CONCAT()

...n a string like: test1 test2 test3 test1 test3 test4 (notice that test1 and test3 are duplicated) while the OP wants to return this string: test1 test2 test3 test4 the problem here is that the string "test1 test3" is duplicated and is inserted only once, but all of the others are distinct to e...