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What does the question mark and the colon (?: ternary operator) mean in objective-c?

...ithFormat: @"Status: %@", statusString] This saves you from having to use and release local variables in if-else patterns. FTW! – Bruno Bronosky May 6 '10 at 15:52 ...
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accepting HTTPS connections with self-signed certificates

...te Authority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate . ...
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How do you clear Apache Maven's cache?

...(or the full local repo) from c:\Users\<username>\.m2\repository by hand. share | improve this answer | follow | ...
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Making the main scrollbar always visible

...tical; overflow-y: scroll; } This make the scrollbar always visible and only active when needed. Update: If the above does not work the just using this may. html { overflow-y:scroll; } share | ...
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Using context in a fragment

... I was reading this Google blog on memory leaks...android-developers.blogspot.com/2009/01/… . If I use the getActivity() method would the app not be at risk of memory leaks? The blog suggests "Try using the context-application instead of a context-activity" which isn't rea...
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How to change Status Bar text color in iOS

...redStatusBarStyle: UIStatusBarStyle { return .lightContent } Swift 5 and SwiftUI For SwiftUI create a new swift file called HostingController.swift import Foundation import UIKit import SwiftUI class HostingController: UIHostingController<ContentView> { override var preferredStatu...
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Why is 'this' a pointer and not a reference?

I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments. 2 Answers ...
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Is returning null bad design? [closed]

...ationale behind not returning null is that you do not have to check for it and hence your code does not need to follow a different path based on the return value. You might want to check out the Null Object Pattern which provides more information on this. For example, if I were to define a method ...
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How to prevent that the password to decrypt the private key has to be entered every time when using

...added: /c/Users/starmonkey/.ssh/id_dsa (/c/Users/starmonkey/.ssh/id_dsa) And now I can ssh to other servers without logging in every time. share | improve this answer | fol...
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What is “Linting”?

PHPLint , JSLint , and I recently came across "you can lint your JS code on the fly" while reading something about some IDE . ...