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 ...

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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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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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: ...

...n we read about design patterns on the internet we note that there are 3 categories: 5 Answers ...

I have a web application that explores other web applications in a particular way. It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule fro...

I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols? ...

I'm playing around with Java 8 to find out how functions as first class citizens. I have the following snippet: 4 Answers ...