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Difference between abstraction and encapsulation?

...sulation is indeed a special kind of abstraction, namely a structural one. By considering something compound as a whole we basically ignore (abstract from) the details of how it is built up of something else, i.e. ignore its internal structure. – proskor Jan 28...
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What is Cache-Control: private?

...st recent version already. Rather than sending the client 200 OK, followed by the contents of the page, instead it tells you that your cached version is good: 304 Not Modified Your browser did have to suffer the delay of sending a request to the server, and wait for a response, but it did save ha...
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What does the fpermissive flag do?

...owngraded, but diagnostics is from errors to warnings. An example is given by the question opener. If you don't know what the edge cases could be, you should not consider using it. – cli_hlt Nov 26 '19 at 19:42 ...
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Why do we need fibers

...ich you then use in higher-level code. Probably the #1 use of fibers in Ruby is to implement Enumerators, which are a core Ruby class in Ruby 1.9. These are incredibly useful. In Ruby 1.9, if you call almost any iterator method on the core classes, without passing a block, it will return an Enumer...
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Division of integers in Java [duplicate]

... You don't even need doubles for this. Just multiply by 100 first and then divide. Otherwise the result would be less than 1 and get truncated to zero, as you saw. edit: or if overflow is likely, if it would overflow (ie the dividend is bigger than 922337203685477581), divide ...
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How can I maximize a split window?

...debuffer temporarily; doing power stuff like having multiple disjoint side-by-side diffs in a single vim session). Tabs are also a usability miracle with gvim --remote. I'm always using se guioptions=agim though because I prefer console-like rendering of tabs. – sehe ...
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How do I iterate over the words of a string?

...nderchocolate "The string can be assumed to be composed of words separated by whitespace" - Hmm, doesn't sound like a poor solution to the question's problem. "not scalable and not maintable" - Hah, nice one. – Christian Rau Feb 7 '13 at 15:08 ...
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What exactly is an HTTP Entity?

... transfer message between intermediaries, and thus MAY be added or removed by any application along the request/response chain(hop-by-hop headers). In comparison, those header fields apply to Entity are some properties, which describe entity's size, type, compression algorithm, etc... Further readi...
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Rails: convert UTC DateTime to another time zone

In Ruby/Rails, how do I convert a UTC DateTime to another time zone? 6 Answers 6 ...
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Javascript: negative lookbehind equivalent?

... What are you talking about? Almost all proposals are inspired by other languages and they will always prefer to match syntax and semantics of other languages where it makes sense in the context of idiomatic JS and backwards compatibility. I think I quite clearly stated that both positiv...