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Eclipse “Error: Could not find or load main class”

I have a project in eclipse on my laptop that I pushed to Git https://github.com/chrisbramm/LastFM-History-Graph.git 50 An...
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Should I learn C before learning C++? [closed]

... to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of the other projects were Java 3D apps). ...
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What is the best way to do GUIs in Clojure?

..."Hello, World": (use 'seesaw.core) (-> (frame :title "Hello" :content "Hello, Seesaw" :on-close :exit) pack! show!) and here's @Abhijith and @dsm's example, translated pretty literally: (ns seesaw-test.core (:use seesaw.core)) (defn handler [event] (alert event (...
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”

... This problem happens because Android Platform (android.jar) already contains JUnit classes. IDEA test runner loads these classes and sees that they are from the old JUnit, while you are trying to use annotated tests which is a feature of the new JUnit, therefore you get the error from the test...
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Should I instantiate instance variables on declaration or in the constructor?

... There is no difference - the instance variable initialization is actually put in the constructor(s) by the compiler. The first variant is more readable. You can't have exception handling with the first variant. There is additionally the initialization block, which is as well put in t...
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?

... supports XHTML (Firefox, Opera, Safari, IE9) supports self-closing syntax on every element. <div/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE. DOCTYPE does not change how document is interpr...
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The Definitive C++ Book Guide and List

This question attempts to collect the few pearls among the dozens of bad C++ books that are published every year. 1 Answer ...
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Request is not available in this context

... Please see IIS7 Integrated mode: Request is not available in this context exception in Application_Start: The “Request is not available in this context” exception is one of the more common errors you may receive on when moving ASP.NET applications to Integrated mode on IIS 7....
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What is Node.js' Connect, Express and “middleware”?

Despite knowing JavaScript quite well, I'm confused what exactly these three projects in Node.js ecosystem do. Is it something like Rails' Rack? Can someone please explain? ...
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Dependency Inject (DI) “friendly” library

I'm pondering the design of a C# library, that will have several different high level functions. Of course, those high-level functions will be implemented using the SOLID class design principles as much as possible. As such, there will probably be classes intended for consumers to use directly on ...