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How to crop an image in OpenCV using Python

...hould crop_img = img[y:y+h, x:x+w].copy() – user1270710 Oct 27 '18 at 0:46 2 @javadba numpy imple...
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Gradle does not find tools.jar

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How do I convert a Vector of bytes (u8) to a string

... 100 To convert a slice of bytes to a string slice (assuming a UTF-8 encoding): use std::str; // ...
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How to add a button dynamically in Android?

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How do I pass values to the constructor on my wcf service?

... answered Mar 16 '10 at 14:16 Mark SeemannMark Seemann 203k3939 gold badges377377 silver badges649649 bronze badges ...
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Why does Python code run faster in a function?

... Minor update: As of CPython 3.6, the savings from prediction go down a bit; instead of two unpredictable branches, there is only one. The change is due to the switch from bytecode to wordcode; now all "wordcodes" have an argument, it's just zero-ed out when the instruction doesn't logically take...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

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Can you nest html forms?

...a page but they should not be nested. From the html5 working draft: 4.10.3 The form element Content model: Flow content, but with no form element descendants. share | improve this an...
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Rails raw SQL example

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How to pass arguments to a Button command in Tkinter?

...:43 nbro 10.9k1717 gold badges7676 silver badges140140 bronze badges answered Aug 3 '11 at 3:07 VooVoo ...