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Getting the IP address of the current machine using Java
...officially but it looks like an integral trait of Berkeley sockets API (a side effect of UDP "connected" state) that works reliably in both Windows and Linux across versions and distributions.
So, this method will give the local address that would be used to connect to the specified remote host. T...
Simple way to copy or clone a DataRow?
...
Apparently Clone() only provides a shallow copy. Do you think that will be enough to create an identical copy or is a deep clone required?
– Paul Matthews
Aug 19 '12 at 11:08
...
Erasing elements from a vector
...
Use the remove/erase idiom:
std::vector<int>& vec = myNumbers; // use shorter name
vec.erase(std::remove(vec.begin(), vec.end(), number_in), vec.end());
What happens is that remove compacts the elements that differ from the value to ...
What is the difference between Class and Klass in ruby?
...def or module or if or end, etc - class is no different.
For example, consider the following:
def show_methods(class)
puts Object.const_get(class).methods.inspect
end
show_methods "Kernel"
Trying to run this results in an error, since you can't use class as a variable name.
test.rb:1: syntax ...
Deserialize JSON to ArrayList using Jackson
...[] pojos = objectMapper.readValue(json, MyPojo[].class);
This way you avoid all the hassle with the Type object, and if you really need a list you can always convert the array to a list by:
List<MyPojo> pojoList = Arrays.asList(pojos);
IMHO this is much more readable.
And to make it be a...
Recommended date format for REST GET API
...ou URI) and (human) addressability is not as important, you could also consider epoch time (e.g. http://example.com/start/1331162374). The URL looks a little cleaner, but you certainly lose readability.
The /2012/03/07 is another format you see a lot. You could expand upon that I suppose. If you ...
static allocation in java - heap, stack and permanent generation
... random web articles is not a sound academic research technique.
Having said that ...
... my question is Sun specific.
At the time this question was asked, Sun Microsystems had ceased to exist. The question was therefore Oracle specific. AFAIK, all current (non-research) 3rd-party JVM imple...
How to make inline functions in C#
...eLine(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ignored
{
Console.WriteLine("Hello world!");
}
Lambdas are new in C# 3.0 and come in two flavours.
Expression lambdas:
Func<int, int, int> add = (int x, int y) => x + y; // or...
Func<int, int, int...
iPhone - Grand Central Dispatch main thread
...nd queue to signal that some background processing has finished e.g.
- (void)doCalculation
{
//you can use any string instead "com.mycompany.myqueue"
dispatch_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0);
dispatch_async(backgroundQueue, ^{
int res...
What is a memory fence?
... How does it influence the flow of the reordering? When you said, Alpha is known for being the weakest, why weakest? Is not it better that, it reorder more, so as result it will be much faster execution? (I am not alpha user, but asking about the effect of very reordering vs restricted ...