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Iterating C++ vector from the end to the beginning

...t purpose. (And yes, incrementing a reverse_interator moves it backward.) Now, in theory, your method (using begin()/end() & --i) would work, std::vector's iterator being bidirectional, but remember, end() isn't the last element — it's one beyond the last element, so you'd have to decrement f...
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A monad is just a monoid in the category of endofunctors, what's the problem?

...nsformation, μ : T × T → T, where × means functor composition (μ is known as join in Haskell) A natural transformation, η : I → T, where I is the identity endofunctor on X (η is known as return in Haskell) ...satisfying these laws: μ ∘ Tμ = μ ∘ μT μ ∘ Tη = μ ∘ ηT = 1 (the...
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?

... over there. Suggest using UTC all the way, and manually check if the time now is within a certain DST range. Then it's just a matter of changing the normal time UTC offset by +1 to get DST. – Kebman Jun 27 '15 at 18:28 ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

...sage queue paradigm (google Spring's Reactor). Really the only distinction now is that RabbitMQ has durable messages.. oh wait Akka supports that now also. He may say "Actor" in the title but explicitly points out Akka which does have massive overlap with many message based systems (both concurrent ...
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How can I check if the current date/time is past a set date/time?

...r, if you are using UTC dates (as you should), prefer to use new DateTime("now", new DateTimeZone('UTC')). This will prevent your app from misunderstandable bugs in dates. i advise you to store it in a function static variable, a class static or somewhere else in your running process... ...
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related

... This worked for me as well. Issue I had is that libpng15 is now an old version so an update would not fix. – bigtunacan Jun 24 '14 at 2:28 1 ...
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Test if a class has an attribute?

... @alexanderb you are of course right. I've updated my answer now. I must of not checked my answer against the compiler at the time! Thanks for pointing out the error – RichardOD Jun 23 '12 at 16:05 ...
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Rails: create on has_one association

...ser = current_user @shop = Shop.create(params[:shop]) @user.shop = @shop Now here's why your version did not work: You probably thought that this might work because if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has...
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std::function and std::bind: what are they, and when should they be used?

I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ . ...
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How do I run Python code from Sublime Text 2?

... {"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} } Now, you can use ctrl+shift+c instead of CTRL+BREAK share | improve this answer | follow ...