大约有 44,000 项符合查询结果(耗时:0.0561秒) [XML]

https://stackoverflow.com/ques... 

Equivalent of jQuery .hide() to set visibility: hidden

... return (visibility == 'visible') ? 'hidden' : 'visible'; }); }; If you want to overload the original jQuery toggle(), which I don't recommend... !(function($) { var toggle = $.fn.toggle; $.fn.toggle = function() { var args = $.makeArray(arguments), lastArg = a...
https://stackoverflow.com/ques... 

Cannot set boolean values in LocalStorage?

...mentation of Storage can only store strings, but on 2009 September, W3C modified the draft to accept any data. The implementation (still) isn't caught up yet (see Edit below). So in your case the boolean is converted to a string. As for why "true" != true, as written in the description of Equal (=...
https://stackoverflow.com/ques... 

What's faster, SELECT DISTINCT or GROUP BY in MySQL?

If I have a table 15 Answers 15 ...
https://stackoverflow.com/ques... 

How to stop a JavaScript for loop?

...nd assigning something to `remData`... */ remIndex = -1; // Set a default if we don't find it for (i = 0; i < remSize.length; i++) { // I'm looking for the index i, when the condition is true if (remSize[i].size === remData.size) { remIndex = i; break; /...
https://stackoverflow.com/ques... 

How big can a MySQL database get before performance starts to degrade

... against the slaves and the write queries run against the master. However if you are not ready for this yet, you can always tweak your indexes for the queries you are running to speed up the response times. Also there is a lot of tweaking you can do to the network stack and kernel in Linux that wi...
https://stackoverflow.com/ques... 

How to use LINQ to select object with minimum or maximum property value

... do you do the superfluous check curMin == null? curMin could only be null if you were using Aggregate() with a seed that is null. – Good Night Nerd Pride May 18 '16 at 13:01 6 ...
https://stackoverflow.com/ques... 

What is the difference between HTTP status code 200 (cache) vs status code 304?

...e other hand, are the response of the server after the browser has checked if a file was modified since the last version it had cached (the answer being "no"). For most optimal web performance, you're best off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then w...
https://stackoverflow.com/ques... 

How do I delete a local repository in git? [duplicate]

... Delete the .git directory in the root-directory of your repository if you only want to delete the git-related information (branches, versions). If you want to delete everything (git-data, code, etc), just delete the whole directory. .git directories are hidden by default, so you'll need to...
https://stackoverflow.com/ques... 

viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro

... NSArray *viewControllers = self.navigationController.viewControllers; if (viewControllers.count > 1 && [viewControllers objectAtIndex:viewControllers.count-2] == self) { // View is disappearing because a new view controller was pushed onto the stack NSLog(@"New view controlle...
https://stackoverflow.com/ques... 

How do you allow spaces to be entered using scanf?

...ection, unless you know for certain that the input will always be of a specific format (and perhaps not even then). Remember than scanf stands for "scan formatted" and there's precious little less formatted than user-entered data. It's ideal if you have total control of the input data format but ge...