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JavaScript private methods

...l prototype method, especially if you are creating a lot of these objects. For every object instance, it creates a separate function bound to the object and not the class. Also, this does not get garbage collected until the object itself is destroyed. – Arindam ...
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Package objects

...se the nested package syntax but that is quite unusual. The main use case for package objects is when you need definitions in various places inside your package as well as outside the package when you use the API defined by the package. Here is an example: // file: foo/bar/package.scala package f...
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How to set up Spark on Windows?

...st playing around with Spark, and don't actually need it to run on Windows for any other reason that your own machine is running Windows, I'd strongly suggest you install Spark on a linux virtual machine. The simplest way to get started probably is to download the ready-made images made by Cloudera ...
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How to convert a Drawable to a Bitmap?

...e from? I couldn't find any Drawable function related to strings... thanks for your help. – Rob Jun 14 '10 at 9:08 12 ...
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What is 'Pattern Matching' in functional languages?

...ese data structures are simple containers, and can be recursively defined. For example: type 'a list = | Nil | Cons of 'a * 'a list defines a stack-like data structure. Think of it as equivalent to this C#: public abstract class List<T> { public class Nil : List<T> { } ...
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How to animate the change of image in an UIImageView?

...eration. Fading effect can be achieved using CoreAnimation. Sample example for this approach: #import <QuartzCore/QuartzCore.h> ... imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"]; CATransition *transition = [CATransition animation]; transition.duration = 1.0f; transitio...
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addEventListener vs onclick

... element. The only practical limitation is client-side memory and other performance concerns, which are different for each browser. The examples above represent using an anonymous function[doc]. You can also add an event listener using a function reference[doc] or a closure[doc]: var myFunctionRef...
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?

...led with conda). You can see how this works by using the export tool used for migrating an environment: conda env export -n <env-name> > environment.yml The file will list both conda packages and pip packages: name: stats channels: - javascript dependencies: - python=3.4 - bokeh=...
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable

...u mean this to be empty vs. something that might be added to later is good for your code. – Jay Bazuzi Dec 12 '09 at 17:43 27 ...
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React.js: onChange event for contentEditable

How do I listen to change event for contentEditable -based control? 7 Answers 7 ...