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image processing to improve tesseract OCR accuracy

... the kernel size depending on your data set): kernel = np.ones((1, 1), np.uint8) img = cv2.dilate(img, kernel, iterations=1) img = cv2.erode(img, kernel, iterations=1) Applying blur, which can be done by using one of the following lines (each of which has its pros and cons, however, median blur an...
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Calling async method synchronously

...nc().Result; Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async code to execute. You have the following options to make sure that this doesn't happen: Add .ConfigureAwait(false) to your library method or...
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Read file data without saving it in Flask

...iting my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always. ...
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How do I get an ISO 8601 date on iOS?

... Use NSDateFormatter: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]; [dateFormatter setLocale:enUSPOSIXLocale]; [dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"]; [dateFormatter setCale...
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?

... // convert ArrayBuffer to Array const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert bytes to hex string const hashHex = hashArray.map(b => ('00' + b.toString(16)).slice(-2)).join(''); return hashHex; } Note that crypto.subtle in only ava...
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An example of how to use getopts in bash

I want to call myscript file in this way: 7 Answers 7 ...
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What is the purpose of std::make_pair vs the constructor of std::pair?

... Actually, the types should be deduced at compile time without the need to specify. – Chad Feb 14 '12 at 1:51 ...
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VB.NET equivalent to C# var keyword [duplicate]

...ype '<variablename>' is not defined." - and VarType(variable) is actually just the VB version of variable.GetType() which returns the type of the instance stored in the variable at runtime) I used: Function MyVarType(Of T)(ByRef Var As T) As Type Return GetType(T) End Function In detail...
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Java: Date from unix timestamp

... user136036 5,61433 gold badges3232 silver badges3535 bronze badges answered Jul 11 '14 at 17:49 michamicha 4...
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Foreign keys in mongo?

... Ben 44.3k3939 gold badges150150 silver badges203203 bronze badges answered Sep 5 '13 at 13:23 ZAkyZAky 82255 silver badges191...