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Simple Digit Recognition OCR in OpenCV-Python

... letter_recognition.data file that comes with OpenCV samples. I wanted to know what is inside that file. It contains a letter, along with 16 features of that letter. And this SOF helped me to find it. These 16 features are explained in the paperLetter Recognition Using Holland-Style Adaptive Class...
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What are the differences between Rust's `String` and `str`?

...of UTF-8 bytes of dynamic length somewhere in memory. Since the size is unknown, one can only handle it behind a pointer. This means that str most commonly2 appears as &str: a reference to some UTF-8 data, normally called a "string slice" or just a "slice". A slice is just a view onto some data,...
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Visual Studio displaying errors even if projects build

...solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them. ...
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How do I add a simple jQuery script to WordPress?

...ou already have a ton of WordPress experience. For instance, they say that now that I'm loading jQuery through the functions.php file, now all I have to do is load my jQuery. ...
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Rails - Could not find a JavaScript runtime?

... I now recommend this as the route to take. See above. – Michael Durrant Dec 29 '11 at 2:13 1 ...
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How to remove all breakpoints in one step in Google Chrome?

... This is now possible in Sources tab of Chrome Developer Tools. Please see screen grab below and right click within the "Breakpoints" section of the left window. ...
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How to backup a local Git repository?

... + directory else unless $?.exitstatus == 0 then raise( 'fatal: unknown exit status from git-config: ' + $?.exitstatus ) end end # verify directory exists unless File::directory?( directory ) raise( 'fatal: backup directory does not exists: ' + directory ) end # The date and time p...
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Unit testing code with a file system dependency

... Yay! Now it's testable; I can feed in test doubles (mocks) to the DoIt method. But at what cost? I've now had to define 3 new interfaces just to make this testable. And what, exactly, am I testing? I'm testing that my DoIt functio...
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Why does git revert complain about a missing -m option?

...you want to throw away the merge commit: $ git reset --hard HEAD^ HEAD is now at b7e7176 baz $ git lola * b7e7176 (HEAD, master) baz | * c7256de (otherguy) bar |/ * 9968f79 foo As documented in the git rev-parse manual <rev>^, e.g. HEAD^, v1.5.1^0 A suffix ^ to a revision parameter ...
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Object.watch() for all browsers?

Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018). 8 Answers ...