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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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How to change progress bar's progress color in Android

I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)? ...
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How to convert a string to lower case in Bash?

Is there a way in bash to convert a string into a lower case string? 20 Answers 20 ...
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How many threads is too many?

I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads. ...
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Capture characters from standard input without waiting for enter to be pressed

I can never remember how I do this because it comes up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter). ...
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how to install gcc on windows 7 machine?

I have MinGW on my windows 7 machine. I wish to install and use complete gcc for C compiler. I found there is no single pre-compiled ready-made installation file for this purpose. I checked the following page : http://gcc.gnu.org/install/ It is difficult and I find it above my level of understandi...
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Why is Android Studio reporting “URI is not registered”? [closed]

So I've given Android Studio a try, because I really like Resharper and noticed that the IDE had some of their functionality built into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is...
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How to trim white spaces of array values in php

I have an array as follows 12 Answers 12 ...
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How do I add the contents of an iterable to a set?

What is the "one [...] obvious way" to add all items of an iterable to an existing set ? 6 Answers ...
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How do I use .toLocaleTimeString() without displaying seconds?

I'm currently attempting to display the user's time without displaying the seconds. Is there a way I can do this using Javascript's .toLocaleTimeString()? ...