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AngularJS: Service vs provider vs factory
...actory function can ask for other dependencies.
But what if you want to be more OO and have a class called Greeter?
function Greeter(a) {
this.greet = function() {
return 'Hello ' + a;
}
}
Then to instantiate you would have to write
provide.factory('greeter', function(a) {
return new Gree...
How to view corresponding SQL query of the Django ORM's queryset?
...@DataGreed Good question, might be worth asking in a new thread so you get more responses.
– Joe Holloway
Aug 27 '10 at 19:52
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App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...erent screen sizes and resolutions. This gives good results, but it makes more work for developers. App Inventor uses a simpler approach, but that approach is more limited in terms of the kinds of apps it can handle.
1. Specifying sizes as percentages
There’s one important rule when using App I...
Why does Enumerable.All return true for an empty sequence? [duplicate]
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What is the difference between graph search and tree search?
...rom open
}
return next
Comparison
We notice that graph search requires more memory, as it keeps track of all visited states. This may compensated by the smaller open list, which results in improved search efficiency.
Optimal solutions
Some methods of implementing select can guarantee to return...
What's the nearest substitute for a function pointer in Java?
I have a method that's about ten lines of code. I want to create more methods that do exactly the same thing, except for a small calculation that's going to change one line of code. This is a perfect application for passing in a function pointer to replace that one line, but Java doesn't have func...
Run javascript function when user finishes typing instead of on key up?
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Why is there a difference in checking null against a value in VB.NET and C#?
...g the behaviour of NULL in (most if not all) SQL databases. This is also a more standard (than C#'s) interpretation of three-valued logic, as explained here.
The C# team made different assumptions about what NULL means, resulting in the behaviour difference you show. Eric Lippert wrote a blog about...
What is the difference between pip and conda?
...es directory.
So Conda is a packaging tool and installer that aims to do more than what pip does; handle library dependencies outside of the Python packages as well as the Python packages themselves. Conda also creates a virtual environment, like virtualenv does.
As such, Conda should be compared...
Why is the Fibonacci series used in agile planning poker? [closed]
...corresponding to the Fibonacci scale may or may not be optimal.
Here is a more detailed explanation of the mathematical justification: http://www.yakyma.com/2012/05/why-progressive-estimation-scale-is-so.html
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