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Method call if not null in C#

...ke(); or: obj?.SomeMethod(); The ?. is the null-propagating operator, and will cause the .Invoke() to be short-circuited when the operand is null. The operand is only accessed once, so there is no risk of the "value changes between check and invoke" problem. === Prior to C# 6, no: there is no...
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`ui-router` $stateParams vs. $state.params

...ameters belonging to the state managed by the controller that accesses it, and its parent states, while $state.params has all parameters, including those in any child states. ...
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how to debug the js in jsfiddle

... know how to debug through the javascript. I tried to use the debugger command and I cant find it in the sources tab? any idea how I can debug this? ...
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How do I record audio on iPhone with AVAudioRecorder?

...ant to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development, so I a...
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Using an if statement to check if a div is empty

...there's a chance that there will be white space, then you can use $.trim() and check for the length of the content. if( !$.trim( $('#leftmenu').html() ).length ) { // ... share | improve this ...
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How do I get Gridview to render THEAD?

... I found there was still problems during postback and placed the code in the databound event which addressed all scenarios. – James Westgate Jun 10 '15 at 8:12 ...
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Is it possible to get all arguments of a function as single object inside that function?

In PHP there is func_num_args and func_get_args , is there something similar for JavaScript? 10 Answers ...
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How can you use optional parameters in C#?

...nnot have public void SomeMethod(int b = 0, int a) – Andrew Meservy Feb 27 '19 at 19:24  |  show 3 more comments ...
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How do I update the notification text for a foreground service in Android?

I have a foreground service setup in Android. I would like to update the notification text. I am creating the service as shown below. ...
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Apache is downloading php files instead of displaying them

OS and server information: 26 Answers 26 ...