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Rolling or sliding window iterator?

I need a rolling window (aka sliding window) iterable over a sequence/iterator/generator. Default Python iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for d...
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What is the JSF resource library for and how should it be used?

... how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or image ) as library name depending on the tag used: ...
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How is the Linux kernel tested ?

...do the Linux kernel developers test their code locally and after they have it committed? Do they use some kind of unit testing, build automation? test plans? ...
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Test method is inconclusive: Test wasn't run. Error?

... Same issue here. It would be nice if R# would bubble the error up (error initializing configuration system) so it'd be obvious why the tests were not run. – Geoffrey Hudik Mar 3 '14 at 21:10 ...
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Generating random strings with T-SQL

... generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it? ...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

I want to get an object from the database if it already exists (based on provided parameters) or create it if it does not. ...
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Where is C not a subset of C++? [closed]

... If you compare C89 with C++ then here are a couple of things No tentative definitions in C++ int n; int n; // ill-formed: n already defined int[] and int[N] not compatible (no compatible types in C++) int a[1]; int (*ap)[] = &a; // ill-...
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How to model type-safe enum types?

...follow | edited Mar 14 '14 at 16:18 qtwo 45744 silver badges99 bronze badges answered Aug...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

... If I understood it right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different whe...
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Difference between Python's Generators and Iterators

What is the difference between iterators and generators? Some examples for when you would use each case would be helpful. 1...