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When should we use Observer and Observable?
...n its state which you would want to broadcast to the rest of the program.
Now, to do this we have to call some kind of method. We don't want the Observable class to be tightly coupled with the classes that are interested in observing it. It doesn't care who it is as long as it fulfils certain crite...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
... the red background extends behind the navigation bar and the status bar.
Now, you are going to set that value to UIRectEdgeNone, so you are telling the view controller to not extend the view to cover the screen:
UIViewController *viewController = [[UIViewController alloc] init];
viewController.vi...
Visual Studio 64 bit?
...port of that
much native code is going to be quite high and of course all known
extensions would break and we’d basically have to create a 64 bit
ecosystem pretty much like you do for drivers. Ouch.
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Adding two Java 8 streams, or an extra element to a stream
... element)
.filter(x -> x!=2);
The code is now significantly shorter. However, I agree that the readability hasn't improved. So I have another solution.
In a lot of situations, Collectors can be used to extend the functionality of streams. With the two Collectors a...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
I need a simple solution. I know it's similar to some other questions, like:
25 Answers
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When should I use std::thread::detach?
Sometime I have to use std::thread to speed up my application. I also know join() waits until a thread completes. This is easy to understand, but what's the difference between calling detach() and not calling it?
...
c++11 Return value optimization or move? [duplicate]
...nitialisers and variable prvalue object initialisers, therefore the option now only disables copy elision in the remaining cases.
– Maggyero
Apr 21 at 14:40
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How can you debug a CORS request with cURL?
...ts CORS.
Rationale for alternative answer
I google this question every now and then and the accepted answer is never what I need. First it prints response body which is a lot of text. Adding --head outputs only headers. Second when testing S3 URLs we need to provide additional header -H "Access-...
How would one write object-oriented code in C? [closed]
...
Before what we know as design patterns, was the design pattern known as "object orientation"; same with garbage collection, and other such. They are so ingrained now, we tend to forget, when they were first being devised, it was in much the...
Why is NaN not equal to NaN? [duplicate]
...e OS/language would support it in software; everyone was their own unique snowflake in handling floating-point. IEEE decided to explicitly handle it in software as the NaN values so it would be portable across any OS or programming language. Correct floating point algorithms are generally correct ac...