大约有 7,000 项符合查询结果(耗时:0.0175秒) [XML]

https://stackoverflow.com/ques... 

Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy

...to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method. My presumption is that the view controller's view is not in the window's view hierarchy at the point that it has been loaded (when the viewDidLoad message is sen...
https://stackoverflow.com/ques... 

How can I use swift in Terminal?

... sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer then you can do one of these: xcrun swift lldb --repl As of Xcode 6.1 - typing swift in the terminal launches the REPL as well. ...
https://stackoverflow.com/ques... 

Queries vs. Filters

I can't see any description of when I should use a query or a filter or some combination of the two. What is the difference between them? Can anyone please explain? ...
https://stackoverflow.com/ques... 

What is the printf format specifier for bool?

... I would +1 this if you get rid of the non-single-string-literal expression as the format string. This kind of usage easily turns into unsafe usage. printf("%s", x ? "true" : "false"); would fix the issue. – R.. GitHub STOP HELPING ICE Jun 25 '13 at 21:02 ...
https://stackoverflow.com/ques... 

Detect the specific iPhone/iPod touch model [duplicate]

...uetooth capabilities of the iPhone (and probably the iPod touch 2nd generation). However, to stop the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. ...
https://stackoverflow.com/ques... 

How to make ruler always be shown in Sublime text 2?

...Default; edit Settings - User instead. If you upgrade your SublimeText version you will lose all of your settings because Settings - Default will be overwritten. In the Packages folders the 'User/' folder will be ignored between upgrades of SublimeText, the settings here will be persistent. To ena...
https://stackoverflow.com/ques... 

Giving UIView rounded corners

... Note that property only exists in iPhone 3.0, not earlier versions. – Kendall Helmstetter Gelner Oct 2 '09 at 19:26 5 ...
https://stackoverflow.com/ques... 

how to convert array values from string to int?

... @Dmitry - that's right.... it's an answer to the OP's question, not a 100% perfect in every case answer to every potential related question. OP had a string of comma-separated numeric values, not a pick-and mix of text and numbers – Mark Baker O...
https://stackoverflow.com/ques... 

C# Object Pooling Pattern implementation

...a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe). ...
https://stackoverflow.com/ques... 

How can I make a jQuery UI 'draggable()' div draggable for touchscreen?

... This solution works great, another answer I tired was buggy and really didn't help – musefan Mar 5 '12 at 10:10 ...