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The Definitive C++ Book Guide and List
...1k pages, this is a very thorough introduction into C++ that covers just about everything in the language in a very accessible format and in great detail. The fifth edition (released August 16, 2012) covers C++11. [Review]
* Not to be confused with C++ Primer Plus (Stephen Prata), with a significant...
Haskell: Lists, Arrays, Vectors, Sequences
... Real processors incur high constants when objects in memory are not laid out next to each other. So, in C++ std::vector has faster "snoc" (putting objects at the end) than any pure linked list data structure I know of, although this is not a persistant data structure so less friendly than Haskell...
MPICH vs OpenMPI
...pen-MPI also supports both of these networks and others natively (i.e. without OFI in the middle).
In the past, a common complaint about MPICH is that it does not support InfiniBand, whereas Open-MPI does. However, MVAPICH and Intel MPI (among others) - both of which are MPICH derivatives - suppor...
Best practice for nested fragments in Android 4.0, 4.1 (
...ia code, this might seem like a problem, but in the long run makes your layouts superflexible.
So nesting without using getChildFragmentManger? The essence behind childFragmentManager is that it defers loading until the previous fragment transaction has finished. And of course it was only naturally...
How do you configure logging in Hibernate 4 to use SLF4J
...boss-logging it is not exactly thus. jboss-logging directly uses Log4j without SLF4J!
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
... that." [1]: martinfowler.com/books/eaa.html [2]: books.google.pt/books/about/…
– Miguel Gamboa
May 10 '13 at 9:07
...
Group vs role (Any real difference?)
...he real difference between group and role? I've been trying to figure this out for some time now and the more information I read, the more I get the sense that this is brought up just to confuse people and there is no real difference. Both can do the other's job. I've always used a group to manage u...
Detach (move) subdirectory into separate Git repository
...
The Easy Way™
It turns out that this is such a common and useful practice that the overlords of Git made it really easy, but you have to have a newer version of Git (>= 1.7.11 May 2012). See the appendix for how to install the latest Git. Also, ...
When to use next() and return next() in Node.js
...t; {
console.log('This is third middleware')
next()
})
You will find out that the output in console is:
This is a middleware
This is second middleware
This is third middleware
This is first-half middleware
That is, it runs the code below next() after all middleware function finished.
Howev...
What does @@variable mean in Ruby?
...n instance variable, while one prefixed with @@ is a class variable. Check out the following example; its output is in the comments at the end of the puts lines:
class Test
@@shared = 1
def value
@@shared
end
def value=(value)
@@shared = value
end
end
class AnotherTest < Tes...