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Differences between socket.io and websockets
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Its advantages are that it simplifies the usage of WebSockets as you described in #2, and probably more importantly it provides fail-overs to other protocols in the event that WebSockets are not supported on the browser or se...
When NOT to call super() method when overriding?
When I make my own Android custom class, I extend its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc.
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Variable declared in for-loop is local variable?
I have been using C# for quite a long time but never realised the following:
9 Answers
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Why does Hibernate require no argument constructor?
... no-arg constructor, since serialization uses jvm magic to create objects without invoking the constructor. But this is not available across all VMs. For example, XStream can create instances of objects that don't have a public no-arg constructor, but only by running in a so-called "enhanced" mode w...
Do I really have a car in my garage? [duplicate]
...stract int getPriceAfterYears(int years);
}
Every Vehicle has a price so it can be put inside the Vehicle abstract class.
Yet, the formula determining the price after n years depends on the vehicle, so it left to the implementing class to define it. For instance:
public Car extends Vehicle {
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What do people think of the fossil DVCS? [closed]
... http://www.fossil-scm.org
I found this recently and have started using it for my home projects. I want to hear what other people think of this VCS.
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
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Splitting templated C++ classes into .hpp/.cpp files--is it possible?
I am getting errors trying to compile a C++ template class which is split between a .hpp and .cpp file:
16 Answers
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...e affected by the automatic semicolon insertion (also known as ASI for brevity):
empty statement
var statement
expression statement
do-while statement
continue statement
break statement
return statement
throw statement
The concrete rules of ASI, are described in the specification §11.9.1 Rules of...
How to paste yanked text into the Vim command line
I'd like to paste yanked text into Vim's command line. Is it possible?
10 Answers
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