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Why are private fields private to the type, not the instance?

...ither implicitly or explicitly)). However, I believe that makes the issue more confusing than it needs to be. Most users (myself included) would find it unneccessarily limiting if the above code didn't work: after all, that's my data I'm trying to access! Why should I have to go through this? In s...
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What's Up with Logging in Java? [closed]

...fectively to if (logger.isDebugEnabled()){ // Note that it's actually *more* efficient than this - see Huxi's comment below... logger.debug("The entry is " + entry + "."); } Logback because it's newer than log4j and again, supports parameterized logging, as it implements SLF4j directly S...
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What is the purpose of std::make_pair vs the constructor of std::pair?

...o1; MyLongClassName2 o2; auto p = std::make_pair(o1, o2); instead of the more verbose: std::pair<MyLongClassName1,MyLongClassName2> p{o1, o2}; which repeats the types, and can be very long. Type inference works in that pre-C++17 case because make_pair is not a constructor. make_pair is ...
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Saving image from PHP URL

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How do I get the full path of the current file's directory?

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“Least Astonishment” and the Mutable Default Argument

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How expensive is RTTI?

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How to convert OutputStream to InputStream?

...o the other way... hopefully this makes some sense UPDATE: Of course the more I think of this, the more I can see how this actually would be a requirement. I know some of the comments mentioned Piped input/ouput streams, but there is another possibility. If the output stream that is exposed is a ...
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TypeScript function overloading

... That's even more complicated, it's doable with JavaScript's types, but TS-specific notions like interfaces, types, enums, generics, etc, are lost at runtime. That's also why you can't do someObject instanceof ISomeInterfaceDefinedInTypeS...
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How to add a touch event to a UIView?

...o move the tapped view (or a sibling view) to the tapped location. This is more useful in the handler for a UIPanGestureRecognizer for dragging the view around the screen. – Nathan Eror May 15 '12 at 17:10 ...