大约有 47,000 项符合查询结果(耗时:0.0785秒) [XML]

https://stackoverflow.com/ques... 

How to change Navigation Bar color in iOS 7?

... you set the translucent property to NO. Availability Available in iOS 7.0 and later. Declared In UINavigationBar.h Code NSArray *ver = [[UIDevice currentDevice].systemVersion componentsSeparatedByString:@"."]; if ([[ver objectAtIndex:0] intValue] >= 7) { // iOS 7.0 or later self.navig...
https://stackoverflow.com/ques... 

setResult does not work when BACK button pressed

... You need to overide the onBackPressed() method and set the result before the call to superclass, i.e @Override public void onBackPressed() { Bundle bundle = new Bundle(); bundle.putString(FIELD_A, mA.getText().toString()); Intent mIntent = new Intent(); ...
https://stackoverflow.com/ques... 

Logging levels - Logback - rule-of-thumb to assign log levels

..., so my answer is biased towards looking at it from a production support standpoint; that said, we assign roughly as follows: error: the system is in distress, customers are probably being affected (or will soon be) and the fix probably requires human intervention. The "2AM rule" applies here- if...
https://stackoverflow.com/ques... 

What's the difference between :: (double colon) and -> (arrow) in PHP?

...to access instance members). In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...
https://stackoverflow.com/ques... 

Check if an array contains any element of another array in JavaScript

I have a target array ["apple","banana","orange"] , and I want to check if other arrays contain any one of the target array elements. ...
https://stackoverflow.com/ques... 

How do you run a SQL Server query from PowerShell?

... For others who need to do this with just stock .NET and PowerShell (no additional SQL tools installed) here is the function that I use: function Invoke-SQL { param( [string] $dataSource = ".\SQLEXPRESS", [string] $database = "MasterData", [string] $...
https://stackoverflow.com/ques... 

Check that an email address is valid on iOS [duplicate]

...rict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/ And because categories are just better, you could also add an interface: @interface NSString (emailValidation) - (BOOL)isValidEmail; @end Implement @implementation NSString (emailValidation) -(BOOL)isValidEmail { BOO...
https://stackoverflow.com/ques... 

Hibernate openSession() vs getCurrentSession()

... As explained in this forum post, 1 and 2 are related. If you set hibernate.current_session_context_class to thread and then implement something like a servlet filter that opens the session - then you can access that session anywhere else by using the SessionFa...
https://stackoverflow.com/ques... 

Difference between $(this) and event.target?

I'm new to jQuery, and was making tabbed panels, following the tutorial in JavaScript and jQuery : The Missing Manual , there's that first line when the author does this : ...
https://stackoverflow.com/ques... 

C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

..." feature, in particular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls. ...