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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...nce is that two classes may define different ways of doing the same thing, and the subclass can't choose which one to pick.
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'this' vs $scope in AngularJS controllers
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"How does this and $scope work in AngularJS controllers?"
Short answer:
this
When the controller constructor function is called, this is the controller.
When a function defined on a $scope object is called, this is the "scope in effec...
How to send and retrieve parameters using $state.go toParams and $stateParams?
...ou must not use url when setting up your state. I found the answer on a PR and did some monkeying around to better understand.
$stateProvider.state('toState', {
templateUrl:'wokka.html',
controller:'stateController',
params: {
'referer': 'some default',
'param2': 'some default',
...
How can I read inputs as numbers?
Why are x and y strings instead of ints in the below code?
10 Answers
10
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Scala: Abstract types vs generics
...s Type System
A Conversation with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the ...
var functionName = function() {} vs function functionName() {}
...intaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
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How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...no "escape sequences" to represent newlines, tabs, backspaces, form-feeds, and so on. In normal string literals, each backslash must be doubled up to avoid being taken as the start of an escape sequence.
This syntax variant exists mostly because the syntax of regular expression patterns is heavy w...
When to use thread pool in C#? [closed]
I have been trying to learn multi-threaded programming in C# and I am confused about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some consid...
Why we should not use protected static in java
...able exists at class level, it does not exist separately for each instance and it does not have an independent existence in classes which extend me.
Think about what protected means:
This variable can be seen by this class, classes in the same package and classes which extend me.
The two mea...