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What is Ember RunLoop and how does it work?

I am trying to understand how Ember RunLoop works and what makes it tick. I have looked at the documentation , but still have many questions about it. I am interested in understanding better how RunLoop works so I can choose appropriate method within its name space, when I have to defer execution o...
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Dependency Injection vs Factory Pattern

... when it comes to usage/design the difference between dependency injection and factory is blurred or thin. 28 Answers ...
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Why use String.Format? [duplicate]

Why would anyone use String.Format in C# and VB .NET as opposed to the concatenation operators ( & in VB, and + in C#)? ...
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What is the purpose of Serialization in Java?

I have read quite a number of articles on Serialization and how it is so nice and great but none of the arguments were convincing enough. I am wondering if someone can really tell me what is it that we can really achieve by serializing a class? ...
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What is a serialVersionUID and why should I use it?

...VersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiver has loaded a class for the object that has a different serialVersionUID than that of t...
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Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?

I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed. ...
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Bash if [ false ] ; returns true

Been learning bash this week and ran into a snag. 6 Answers 6 ...
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Generating CSV file for Excel, how to have a newline inside a value

...ot strip off leading spaces. You will get unwanted spaces in your headings and data fields. Worse, the " that should be "protecting" that line-break in the third column will be ignored because it is not at the start of the field. If you have non-ASCII characters (encoded in UTF-8) in the file, you ...
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How can I use Homebrew to install both Python 2 and 3 on Mac?

I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble. Right now I have 2.7 installed through Homebrew. ...
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HTML table with fixed headers?

...isplay a long HTML table such that the column headers stay fixed on-screen and do not scroll with the table body. Think of the "freeze panes" effect in Microsoft Excel. ...