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Append an object to a list in R in amortized constant time, O(1)?
If I have some R list mylist , you can append an item obj to it like so:
17 Answers
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What's the “big idea” behind compojure routes?
I'm new to Clojure and have been using Compojure to write a basic web application. I'm hitting a wall with Compojure's defroutes syntax, though, and I think I need to understand both the "how" and the "why" behind it all.
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What is 'Currying'?
I've seen references to curried functions in several articles and blogs but I can't find a good explanation (or at least one that makes sense!)
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What's the difference between a POST and a PUT HTTP REQUEST?
They both seem to be sending data to the server inside the body, so what makes them different?
17 Answers
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Why isn't vector a STL container?
Item 18 of Scott Meyers's book Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library says to avoid vector <bool> as it's not an STL container and it doesn't really hold bool s.
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Easy idiomatic way to define Ordering for a simple case class
I have a list of simple scala case class instances and I want to print them in predictable, lexicographical order using list.sorted , but receive "No implicit Ordering defined for ...".
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When should one use a spinlock instead of mutex?
I think both are doing the same job,how do you decide which one to use for synchronization?
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Virtual/pure virtual explained
What exactly does it mean if a function is defined as virtual and is that the same as pure virtual?
12 Answers
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How can I sort arrays and data in PHP?
How do I sort an array in PHP?
How do I sort a complex array in PHP?
How do I sort an array of objects in PHP?
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Difference between a Message Broker and an ESB
I have gone through different questions/articles on Message Brokers and ESBs(Even on stackoverflow). Still not a clue as what is the CLEAR demarcating difference between an Message Broker and an ESB? Now here I am trying to compare products, Websphere Broker and Mule ESB!!
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