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Is there an Eclipse line-width marker?

...p every code line at 65 characters. I have set up the eclipse Java code formatter properly for this. But what I really want is a vertical line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater. I know this feature is available in some cap...
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Do declared properties require a corresponding instance variable?

...ive-C 2.0 require a corresponding instance variable to be declared? For example, I'm used to doing something like this: 6 A...
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PHP Foreach Pass by Reference: Last Element Duplim>catm>ing? (Bug?)

I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug: ...
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Groovy: what's the purpose of “def” in “def x = 0”?

In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ? ...
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“Debug only” code that should run only when “turned on”

I would like to add some C# "debug only" code that only runs if the person debugging requests it. In C++, I used to do something similar to the following: ...
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Do I set properties to nil in dealloc when using ARC?

I am trying to learn Automatic Reference Counting in iOS 5. Now the first part of this question should be easy: 2 Answers ...
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Control the size of points in an R sm>catm>terplot?

In R, the plot() function takes a pch argument that controls the appearance of the points in the plot. I'm making sm>catm>terplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there somethin...
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Why does running the Flask dev server run itself twice?

I'm using Flask for developing a website and while in development I run flask using the following file: 6 Answers ...
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Django: How to completely uninstall a Django app?

What is the procedure for completely uninstalling a Django app, complete with database removal? 5 Answers ...
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Can I arrange repositories into folders on Github?

I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applim>catm>ions. And some of these also belong to bigger projects because they were about testing some stu...