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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?

...ase, apex domains are all the same thing. Using interchangeably for google-foo.) Traditionally, to point your apex domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for a cloud platform like Heroku, where multiple and frequently changing backend...
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Clang vs GCC for my Linux Development project

...nswered Nov 21 '11 at 0:07 Fred FooFred Foo 317k6464 gold badges662662 silver badges785785 bronze badges ...
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Use of var keyword in C#

...his case) The type is obvious based upon the assigned expression (i.e. var foo = new TypeWithAReallyLongNameTheresNoSenseRepeating()) var has no performance impacts, as it's syntactic sugar; the compiler infers the type and defines it once it's compiled into IL; there's nothing actually dynamic ab...
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What is the difference between Ruby 1.8 and Ruby 1.9

... /\p{Space}/ Ruby 1.8.6 /[:space:]/ Splat in Middle Ruby 1.9 def foo(first, *middle, last) (->a, *b, c {p a-c}).(*5.downto(1)) Fibers Ruby 1.9 f = Fiber.new do a,b = 0,1 Fiber.yield a Fiber.yield b loop do a,b = b,a+b Fiber.yield b end end 10.times {puts f.resum...
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How can I make setuptools install a package that's not on PyPI?

...hen I run "python setup.py develop", it says "writing dependency_links to foo.egg-info/dependency_links.txt", but doesn't actually download and install the package. I'm using a setuptools-based virtualenv if that helps. – andrei Aug 18 '10 at 17:31 ...
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What is the purpose of Rank2Types?

... a. Show a => a -> b) -> b] -- example = [mkShowBox 5, mkShowBox "foo"] result :: [String] result = map (runShowBox show) example PS: for anybody reading this who's wondered how come ExistentialTypes in GHC uses forall, I believe the reason is because it's using this sort of technique be...
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Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception

...s been thrown. The program is in an unknown state. We do not know whether Foo, Fiddle or Bar threw, why they threw, or what mutations they performed to other state that were not cleaned up. Can you convince me that in that terrible situation it is always the right thing to do to re-lock? Maybe it...
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How do exceptions work (behind the scenes) in c++

...3 -save-temps -c, and looked at the generated assembly file. .file "foo.cpp" .section .text._ZN11MyExceptionD1Ev,"axG",@progbits,_ZN11MyExceptionD1Ev,comdat .align 2 .p2align 4,,15 .weak _ZN11MyExceptionD1Ev .type _ZN11MyExceptionD1Ev, @function _ZN11MyExceptionD1Ev...
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What is the effect of extern “C” in C++?

...nce of declarations/definitions to have a certain linkage: extern "C" void foo(int); extern "C" { void g(char); int i; } If you care about the technicalities, they are listed in section 7.5 of the C++03 standard, here is a brief summary (with emphasis on extern "C"): extern "C" is a linkage-...
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Why are const parameters not allowed in C#?

...t that a developer can say a lie cannot be prevented in any language. void foo(const A& a) that modifies the object a is not different from int countApples(Basket b) that return the number of pears. It is just a bug, a bug that compile in any language. – Alessandro Teruzzi ...