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Simple Digit Recognition OCR in OpenCV-Python

...stand some of the features at end) 2) Since I knew, without understanding all those features, it is difficult to do that method. I tried some other papers, but all were a little difficult for a beginner. So I just decided to take all the pixel values as my features. (I was not worried about accura...
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Call one constructor from another

...will be executed first then it will get back to the string version? (Like calling super() in Java?) – Rosdi Kasim Dec 18 '13 at 16:49 21 ...
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How to crop circular area from bitmap in Android

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this? ...
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What encoding/code page is cmd.exe using?

...e and other programs print gibberish, and sometimes they do not. First of all, Unicode characters will only display if the current console font contains the characters. So use a TrueType font like Lucida Console instead of the default Raster Font. But if the console font doesn’t contain the char...
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Iterate over the lines of a string

...())' 10000 loops, best of 3: 61.5 usec per loop Note we need the list() call to ensure the iterators are traversed, not just built. IOW, the naive implementation is so much faster it isn't even funny: 6 times faster than my attempt with find calls, which in turn is 4 times faster than a lower-lev...
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Get the current first responder without using a private API

...that my app cannot be accepted because I'm using a non-public API; specifically, it says, 28 Answers ...
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How to create a jQuery plugin with methods?

... plugin that will provide additional functions/methods to the object that calls it. All the tutorials I read online (have been browsing for the past 2 hours) include, at the most, how to add options, but not additional functions. ...
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PHP - how to best determine if the current invocation is from CLI or web server?

... A small caveat about this method: it will not return "cli" when run from a cron job. There's a number od differents keys to choose from inside of $_SERVER to determine more reliably whether the request came via HTTP or not. ...
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sbt-assembly: deduplication found error

... Actually I think we should just overwrite merge strategy for META-INF leaving old strategies for the rest, so: assemblyMergeStrategy in assembly := { case PathList("META-INF", xs @ _*) => MergeStrategy.discard\n ca...
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“Inner exception” (with traceback) in Python?

...recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python? ...