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OpenLayers vs Google Maps? [closed]

I have used Google Maps a couple of times, but what wondering about OpenLayers . Before starting any kind of coding, here are a couple of questions that come to my mind, ...
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In what order do static/instance initializer blocks in Java run?

Say a project contains several classes, each of which has a static initializer block. In what order do those blocks run? I know that within a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with t...
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Default string initialization: NULL or Empty? [closed]

I have always initialized my strings to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly...
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How to model type-safe enum types?

Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants? ...
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How to use a variable for a key in a JavaScript object literal?

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When to use a Content Provider

I understand that Content Providers are made to allow publicly sharing data between applications. However, I'm wondering if anyone has thoughts about making a Content Provider to use just within your own app. Would there be any advantages to doing this? Any disadvantages? ...
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Are Databases and Functional Programming at odds?

I've been a web developer for some time now, and have recently started learning some functional programming. Like others, I've had some significant trouble apply many of these concepts to my professional work. For me, the primary reason for this is I see a conflict between between FP's goal of rem...
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Section vs Article HTML5

I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
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C++ sorting and keeping track of indexes

Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples. ...
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How should I ethically approach user password storage for later plaintext retrieval?

As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...