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Practical non-image based CAPTCHA approaches?

... is user-hostile. Captchs is bad enough. But making it harder for users in order to get some tiny OCR benefit is positively hostile. – pbreitenbach Jul 6 '09 at 14:15 19 ...
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Mysql adding user for remote access

... In order to connect remotely you have to have MySQL bind port 3306 to your machine's IP address in my.cnf. Then you have to have created the user in both localhost and '%' wildcard and grant permissions on all DB's as such . See...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

...orSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGColorSpaceRelease(colorSpace); CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef); CGContextRelease(context); // Now your rawData contains the image data in the RGBA8888 pi...
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Python List vs. Array - when to use?

...h element of an array in a constant time, whereas in linked list, it takes order 'n' in the worst case. What's the lookup time of i'th element in a python list? – Nithish Inpursuit Ofhappiness Jul 19 '17 at 2:16 ...
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Why does dividing two int not yield the right value when assigned to double?

... division version of operator/, which takes 2 ints and returns an int. In order to use the double version, which returns a double, at least one of the ints must be explicitly casted to a double. c = a/(double)b; share ...
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Generic List - moving an item within the list

... You should remove before inserting ... your order may cause the list to do an allocation. – Jim Balter Nov 6 '18 at 15:47 ...
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Cross compile Go on OSX?

... Great answer, thank you! In order to compile for use on heroku (intel x86) I slightly modified the line to env GOOS=linux GOARCH=386 go build -v github.com/path/to/your/app and it works like a champ – Ira Herman Au...
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Why should I avoid std::enable_if in function signatures

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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What happens to a detached thread when main() exits?

... is what the _at_thread_exit family of functions was designed for. So, in order to avoid undefined behaviour in the absence of any implementation guarantees above what the standard requires, you need to (manually) join a detached thread with an _at_thread_exit function doing the signalling or make ...
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How to “log in” to a website using Python's Requests module?

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