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Should __init__() call the parent class's __init__()?

... In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class: object.__init__(self) In case of object, calling the super method is not strict...
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When do you use map vs flatMap in RxJava?

...to transform your json to an object, using map should be enough. Dealing with the FileNotFoundException is another problem (using map or flatmap wouldn't solve this issue). To solve your Exception problem, just throw it with a Non checked exception : RX will call the onError handler for you. Obse...
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How is CountDownLatch used in Java Multithreading?

...omeone help me to understand what Java CountDownLatch is and when to use it? 12 Answers ...
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Runnable with a parameter?

... Well it's been almost 9 years since I originally posted this and to be honest, Java has made a couple improvements since then. I'll leave my original answer below, but there's no need for people to do what is in it. 9 years ago, d...
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Inline SVG in CSS

Is it possible to use an inline SVG definition in CSS? 9 Answers 9 ...
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Parse date without timezone javascript

I want to parse date without timezone in JavaScript. I have tried: 12 Answers 12 ...
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Unwanted padding around an ImageView

I need to include a header graphic in all of my activities/views. The file with the header is called header.xml: 8 Answers ...
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Python try-else

...xceptions notes: The use of the else clause is better than adding additional code to the try clause because it avoids accidentally catching an exception that wasn’t raised by the code being protected by the try ... except statement. So, if you have a method that could, for example,...
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How does Access-Control-Allow-Origin header work?

Apparently, I have completely misunderstood its semantics. I thought of something like this: 16 Answers ...
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Unfortunately MyApp has stopped. How can I solve this?

I am developing an application, and everytime I run it, I get the message: 20 Answers ...