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Meaning of acronym SSO in the context of std::string
...tions of std::string create a small automatic array, something like char [20]. If you have a string that is 20 characters or smaller (given this example, the actual size varies), it stores it directly in that array. This avoids the need to call new at all, which speeds things up a bit.
EDIT:
I was...
Observer Design Pattern vs “Listeners”
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answered Jul 29 '10 at 2:35
Derek GreerDerek Greer
12.4k55 gold badges3535 silver badges4545 bronze badges
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How update the _id of one MongoDB Document?
...t in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
// insert the document, using the new _id
db.clients.insert(doc)
// remove the document with the old _id
db.clients.remove({_id: Ob...
What does this gdb output mean?
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203
That is a confirmed bug of the iOS SDK 5 / Simulator - happens as soon as the simulator tries t...
PHP Sort Array By SubArray Value
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208
Use usort.
function cmp_by_optionNumber($a, $b) {
return $a["optionNumber"] - $b["optionNumb...
How can I reset a react component including all transitively reachable state?
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206
To ensure that the implicit browser state you mention and state of children is reset, you can a...
How can I push a local Git branch to a remote with a different name easily?
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answered Apr 21 '11 at 3:00
Brian CampbellBrian Campbell
275k5454 gold badges343343 silver badges324324 bronze badges
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What does “abstract over” mean?
... numbers under a single symbol ns:
def sumOf(ns: List[Int]) = ns.foldLeft(0)(_ + _)
And we don't particularly care that it's a List either. List is a specific type constructor (takes a type and returns a type), but we can abstract over the type constructor by specifying which essential characteri...
How to manually install an artifact in Maven 2?
...javax.transaction \
-DartifactId=jta \
-Dpackaging=jar \
-Dversion=1.0.1B \
-Dfile=jta-1.0.1B.jar \
-DgeneratePom=true
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What is the difference between the kernel space and the user space?
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120
The really simplified answer is that the kernel runs in kernel space, and normal programs run in...