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Is it safe to remove selected keys from map within a range loop?

How can one remove selected keys from a map? Is it safe to combine delete() with range, as in the code below? 4 Answers ...
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SVN how to resolve new tree conflicts when file is added on two branches

When merging a couple of branches (using SVN 1.6.1) where a file has been added on both branches (and then worked on in those separate branches) I'm getting one of the new tree conflicts: ...
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How to swap files between windows in VIM?

When I work with VIM, I always have multiple windows visible. Sometimes I would like to have an easy way, to swap those windows in places. Is there any Plugin, Macro, etc to make this more easy? BTW, I use MiniBufExplorer. ...
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What are the differences between Clojure, Scheme/Racket and Common Lisp?

I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources. ...
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SQL Server indexes - ascending or descending, what difference does it make?

When you create an index on a column or number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be ...
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Difference between JVM and HotSpot?

What exactly is HotSpot and how does it relate to JVM and OpenJDK? Is it a library? What exactly does it do? 6 Answers ...
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What is __main__.py?

What is the __main__.py file for, what sort of code should I put into it, and when should I have one? 5 Answers ...
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How to change past commit to include a missed file?

I have committed a change and forgot to add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit. ...
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How can I display just a portion of an image in HTML/CSS?

Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references? ...
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How to resize an image with OpenCV2.0 and Python2.6

I want to use OpenCV2.0 and Python2.6 to show resized images. I used and adopted this example but unfortunately, this code is for OpenCV2.1 and does not seem to be working on 2.0. Here my code: ...