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Simple Digit Recognition OCR in OpenCV-Python

...v2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV. 3 Answers ...
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Evenly space multiple views within a container view

...te 'spacer views' that you have set to match heights equally. Then add top and bottom constraints to the labels (see the screenshot). More specifically, I have a top constraint on 'Spacer View 1' to superview with a height constraint of lower priority than 1000 and with Height Equals to all of ...
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How to enable local network users to access my WAMP sites?

First of all, I read at least 20 articles about this topic, and not one of them can match up the scenario and I screwed up the process numerous times. So I turn help by offering my specific scenario if any help will be appreciated. ...
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When should I use a composite index?

..._C ) will benefit a query that uses those fields for joining, filtering, and sometimes selecting. It will also benefit queries that use left-most subsets of columns in that composite. So the above index will also satisfy queries that need index( column_A, column_B, column_C ) index( column_A, col...
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?

... suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands: ...
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“tag already exists in the remote" error after recreating the git tag

...o get everyone who already has the "wrong" tag to delete their "wrong tag" and replace it with the new "right tag". Testing in Git 2.10/2.11 shows that retaining the old tag is the default behavior for clients running git fetch, and updating is the default behavior for clients running git fetch --t...
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How to convert floats to human-readable fractions?

...y what you are asking for. Its based on the theory of continued fractions and very fast and fairly compact. I have used versions of this customized for specific numerator and denominator limits. /* ** find rational approximation to given real number ** David Eppstein / UC Irvine / 8 Aug 1993 ** *...
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How can I return pivot table output in MySQL?

...w.artfulsoftware.com/infotree/qrytip.php?id=78 I advise reading this post and adapt this solution to your needs. Update After the link above is currently not available any longer I feel obliged to provide some additional information for all of you searching for mysql pivot answers in here. It rea...
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Counting inversions in an array

... find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions. Any hints or help would be greatly appreciated. ...
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...