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Among $_REQUEST, $_GET and $_POST which one is the fastest?
...choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not both) : generally speaking :
You should use $_GET when someone is requesting data from your application.
And you should use $_POST when someone is pushing (inserting or updating ; or deleting) data...
Determining if a number is either a multiple of ten or within a particular set of ranges
...
For the first one, to check if a number is a multiple of use:
if (num % 10 == 0) // It's divisible by 10
For the second one:
if(((num - 1) / 10) % 2 == 1 && num <= 100)
But that's rather dense, and you might be better off ...
What is the garbage collector in Java?
... taken care of by the garbage collector, but in other languages such as C, one needs to perform memory management on their own using functions such as malloc and free. Memory management is one of those things which are easy to make mistakes, which can lead to what are called memory leaks -- places w...
Volatile Vs Atomic [duplicate]
...ariable is atomic.
Notably, however, an operation that requires more than one read/write -- such as i++, which is equivalent to i = i + 1, which does one read and one write -- is not atomic, since another thread may write to i between the read and the write.
The Atomic classes, like AtomicInteger ...
Which CheckedListBox event triggers after a item is checked?
....Unchecked)
// The collection is about to be emptied: there's just one item checked, and it's being unchecked at this moment
...
else
// The collection will not be empty once this click is handled
...
}
...
What are the benefits of learning Vim? [closed]
...g
vi is guaranteed to exist on all Unix systems and exists on most Linux ones as well. That kind of broad coverage makes learning it worth it.
It's much quicker to use vi for a sudo edit:
$ sudo vi
Also, GMail uses vi-ish commands for selecting & moving emails around!
You don't have to be...
How do I move a redis database from one server to another?
... This saved me a lot of time by showing that importing into redis is done by dropping the dump into the redis folder
– RonnyKnoxville
Dec 2 '14 at 10:38
7
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SqlDataAdapter vs SqlDataReader
...useful for updating back to the database
On the other hand, it:
Only has one record in memory at a time rather than an entire result set (this can be HUGE)
Is about as fast as you can get for that one iteration
Allows you start processing results sooner (once the first record is available). For so...
How do you properly use namespaces in C++?
...
One advantage of "using namespace" at the function level as you suggest rather than at the .cpp file level or namespace {} block level within the .cpp is that it helps greatly with single-compilation-unit builds. "using names...
Explaining Apache ZooKeeper
...ted between multiple nodes (this set of nodes is called an "ensemble") and one client connects to any of them (i.e., a specific "server"), migrating if one node fails; as long as a strict majority of nodes are working, the ensemble of ZooKeeper nodes is alive. In particular, a master node is dynamic...