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AngularJS: How can I pass variables between controllers?

... way to share variables across multiple controllers is to create a service and inject it in any controller where you want to use it. Simple service example: angular.module('myApp', []) .service('sharedProperties', function () { var property = 'First'; return { getP...
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How to scale down a range of numbers with a known min and max value

So I am trying to figure out how to take a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find t...
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What is the difference between an ORM and an ODM?

I am trying to figure out what the difference is between ORM and ODM, as far as I understand the concept, ORM (Object Relational Mapper) maps the relations between data, where as ODM (Object Document Mapper) deals with documents. Am I right in assuming that mySQL is an example of ORM and MongoDB is ...
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Referring to the null object in Python

... And the reason for choosing egg is None over egg == None: The latter can be overloaded, and is likely to break when comparing valid object with None (depends on how it's implemented, but you don't expect everyone to take comp...
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How to get and set the current web page scroll position?

How can I get and set the current web page scroll position? 4 Answers 4 ...
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]

...ially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely. ...
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In Functional Programming, what is a functor?

...al programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ). ...
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How to wrap async function calls into a sync function in Node.js or Javascript?

...ata using Node.js built-in fs.readFileSync . It's obvious both getData and fs.readFileSync are sync functions. One day you were told to switch the underlying data source to a repo such as MongoDB which can only be accessed asynchronously. You were also told to avoid pissing off your users, ge...
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When should I use Arrow functions in ECMAScript 6?

...ght about code style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language. 9...
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AngularJS Folder Structure [closed]

How do you layout a folder structure for a large and scaleable AngularJS application? 5 Answers ...