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Why doesn't C++ have a garbage collector?

...age collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time. ...
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What's the point of map in Haskell, when there is fmap?

...feel the need for a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language? ...
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How to test if a dictionary contains a specific key? [duplicate]

...d it helped a lot, but I was wondering - are you able to accept the answer now, 4.5yrs later?:) Or it can't be marked anymore due to the duplicate label? – Michal Dec 18 '15 at 14:24 ...
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Do HTML5 Script tag need type=“javascript”? [duplicate]

... No, it's now officially useless. The type attribute gives the language of the script or format of the data. If the attribute is present, its value must be a valid MIME type. The charset parameter must not be specified. The def...
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How do you detect where two line segments intersect? [closed]

...bering that s × r = − r × s): u = (q − p) × r / (r × s) Now there are four cases: If r × s = 0 and (q − p) × r = 0, then the two lines are collinear. In this case, express the endpoints of the second segment (q and q + s) in terms of the equation of the first li...
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?

...had back-tracked on this intent, and it is perhaps too late to change this now. I tried to search around the web to find out what happened with these plans, but I couldn’t find any answers. I still wanted to get to the bottom of it. So I emailed Jeff Richter and asked him directly — I figured i...
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What does `someObject.new` do in Java?

... @emory I'm not saying that, I know there can be perfectly valid reasons to want to make an inner class public, and return instances of the inner class from methods of the outer, but I would tend to design my code such that "outsiders" don't need to constru...
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What's “P=NP?”, and why is it such a famous question? [closed]

...ix multiplication, the basic operation is multiplication of two numbers. Now the question is, what does deterministic vs. non-deterministic mean? There is an abstract computational model, an imaginary computer called a Turing machine (TM). This machine has a finite number of states, and an infin...
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How do cache lines work?

...eval process can take ~90 nanoseconds, or ~250 clock cycles (from the CPU knowing the address to the CPU receiving data). By contrast, a hit in L1 cache has a load-use latency of 3 or 4 cycles, and a store-reload has a store-forwarding latency of 4 or 5 cycles on modern x86 CPUs. Things are simila...
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Why would a JavaScript variable start with a dollar sign? [duplicate]

...(_) are permitted anywhere in an IdentifierName. As such, the $ sign may now be used freely in variable names. Certain frameworks and libraries have their own conventions on the meaning of the symbol, noted in other answers here. ...