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C# “as” cast vs classic cast [duplicate]

... thrown. With the as method, it results in null, which can be checked for, and avoid an exception being thrown. Also, you can only use as with reference types, so if you are typecasting to a value type, you must still use the "classic" method. Note: The as method can only be used for types that c...
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Why does 'continue' behave like 'break' in a Foreach-Object?

...let (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return. P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object. ...
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How to load a UIView using a nib file created with Interface Builder

...ccess to later. --MyView 2) in the UIViewController that you want to load and handle the nib, create an IBOutlet property that will hold the loaded nib's view, for instance in MyViewController (a UIViewController subclass) @property (nonatomic, retain) IBOutlet UIView *myViewFromNib; (dont ...
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Difference between using Throwable and Exception in a try catch

... highest "catch all" level of a thread where you want to log or otherwise handle absolutely everything that can go wrong. It would be more typical in a framework type application (for example an application server or a testing framework) where it can be running unknown code and should not be affecte...
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How to check if running as root in a bash script

I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits. ...
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How can we programmatically detect which iOS version is device running on? [duplicate]

I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. 10 Answers ...
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into

...asked, because until fairly recently, most browsers have not been able to handle favicons in .svg format. That's not the case anymore. See: https://caniuse.com/#feat=link-icon-svg 1) Choose SVG as the Favicon format Right now, in June 2020, these browsers can handle SVG Favicons: Chrome Firefox Ed...
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Escaping quotes and double quotes

...do I properly escape the quotes in the -param value in the following command line? 3 Answers ...
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How do you update Xcode on OSX to the latest version?

...Store Look in the top right for the updates section (may also be in lefthand column "Updates"..) Find Xcode & click Update share | improve this answer | follow ...
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Numpy: Get random set of rows from 2D array

... >>> A = np.random.randint(5, size=(10,3)) >>> A array([[1, 3, 0], [3, 2, 0], [0, 2, 1], [1, 1, 4], [3, 2, 2], [0, 1, 0], [1, 3, 1], [0, 4, 1], [2, 4, 2], [3, 3, 1]])...