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iOS: how to perform a HTTP POST request?

...ction *)connection didFailWithError:(NSError *)error { [[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", @"") message:[error localizedDescription] delegate:nil cancelButtonTitle:NSLocalizedStri...
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Quickest way to convert a base 10 number to any base in .NET?

...comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16. Update (to meet the requirement to convert to any base): I'm not aware of any method in the BCL which is capable to convert numbers to any base so you would have to write you...
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What are dictionary view objects?

... Dictionary views are essentially what their name says: views are simply like a window on the keys and values (or items) of a dictionary. Here is an excerpt from the official documentation for Python 3: >>> dishes = {'eggs': 2, 'sausage': 1, ...
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How does this checkbox recaptcha work and how can I use it?

... Excerpt from the email: We expect to move all existing reCAPTCHA sites to the new API in 2015. – Timothy Zorn Sep 11 '14 at 3:29 1 ...
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jQuery: serialize() form and other parameters

...onment, then none of these answers should be used. The form should contain all information (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent. ...
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Literal suffix for byte in .NET?

...e var, you can always cast the byte as in var y = (byte) 5 Although not really related, in C#7, a new binary prefix was introduced 0b, which states the number is in binary format. Still there is no suffix to make it a byte though, example: var b = 0b1010_1011_1100_1101_1110_1111; //int ...
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What is the maximum value for an int32?

...bout 1 billion. One of the 32 bits is used for sign, so the max value is really only 2^31, which is about twice the amount you get for 2^(3*10): 2 billion. – 16807 Dec 3 '13 at 22:24 ...
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What is the difference between Python's list methods append and extend?

... Actually there's a big difference - x + [4, 5] gives you a new list assigned to x - x.extend() mutates the original list. I elaborate in my answer here below. – Aaron Hall♦ Jul 17 '17 at 1...
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Determine whether an array contains a value [duplicate]

... } return index; }; } return indexOf.call(this, needle) > -1; }; You can use it like this: var myArray = [0,1,2], needle = 1, index = contains.call(myArray, needle); // true CodePen validation/usage ...
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What characters are valid for JavaScript variable names?

...ou an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is: // ES5.1 / Unicode 6.1 /^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|v...