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CKEditor instance already exists

... The "true" options makes all the difference. It is also worth mentioning that the "CKEDITOR.remove(instance)" answer given below is not a good solution as it is an internal API that can also produce errors, it is always better to use instance.destroy...
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Renaming xcode 4 project and the actual folder

... Rename your source folder in the Finder. This will break the project initially because Xcode doesn't automatically detect when the real folders that the virtual (yellow) project folders point to are changed, so all the files inside that folder will turn red in Xcode. Don't worry about that, we'll f...
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What does the 'static' keyword do in a class?

...llion instances of the class or you don't create any. It will be shared by all instances. Since static methods also do not belong to a specific instance, they can't refer to instance members. In the example given, main does not know which instance of the Hello class (and therefore which instance of...
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How can I use grep to find a word inside a folder?

..., a directory is a kind of file (there is a term "regular file" to specifically refer to entities that are called just "files" in Windows). grep -nr string reads the content to search from the standard input, that is why it just waits there for input from you, and stops doing so when you press ^C (...
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What are the functional differences between NW.js, Brackets-Shell and Electron?

...ide on node-webkit is node.js and npm. The package management of npm is really nice, and node has well done filesystem access. Brackets-shell looked interesting, but other than a nice IDE I didn't really get what made this one as good or better than the rest. They are very clear that "The bracket...
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Interface vs Abstract Class (general OO)

... While your question indicates it's for "general OO", it really seems to be focusing on .NET use of these terms. In .NET (similar for Java): interfaces can have no state or implementation a class that implements an interface must provide an implementation of all the methods of tha...
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Dependency Injection vs Factory Pattern

... When using a factory your code is still actually responsible for creating objects. By DI you outsource that responsibility to another class or a framework, which is separate from your code. sha...
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How to make layout with View fill the remaining space?

... I don't fully understand how this is possible but it is really cool trick to avoid RelativeLayout – a.dibacco Jan 19 '17 at 21:11 2 ...
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How to launch html using Chrome at “--allow-file-access-from-files” mode?

...ome executable and then, on your cmd, try : > "C:\PathTo\Chrome.exe" --allow-file-access-from-files Source EDIT : As I see on your question, don't forget that Windows is a little bit similar to Unix, so when you type "chrome ...", cmd will search for Chrome in the PATH, but in general the Chr...
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What is the difference between a 'closure' and a 'lambda'?

... function definition is re-written as binding a lambda to a variable internally. In other languages, like Python, there are some (rather needless) distinctions between them, but they behave the same way otherwise. A closure is any function which closes over the environment in which it was defined. ...