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TypeError: 'NoneType' object is not iterable in Python

What does error TypeError: 'NoneType' object is not iterable mean? 7 Answers 7 ...
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How to create a GUID/UUID in Python

...atform independent? I hear there is a method using ActivePython on Windows but it's Windows only because it uses COM. Is there a method using plain Python? ...
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Unpacking array into separate variables in JavaScript

This is a simple problem, and I've done it before. I just can't remember how, or what exactly it was called. 7 Answers ...
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Why does Java's hashCode() in String use 31 as a multiplier?

Per the Java documentation, the hash code for a String object is computed as: 13 Answers ...
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How does OAuth 2 protect against things like replay attacks using the Security Token?

...in OAuth 2 in order for Site-A to access User's information from Site-B . 8 Answers ...
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

...x 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish. ...
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RestSharp JSON Parameter Posting

I am trying to make a very basic REST call to my MVC 3 API and the parameters I pass in are not binding to the action method. ...
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How to count certain elements in array?

...red May 25 '11 at 7:29 Thor JacobsenThor Jacobsen 6,84111 gold badge2323 silver badges2525 bronze badges ...
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Rank function in MySQL

... One option is to use a ranking variable, such as the following: SELECT first_name, age, gender, @curRank := @curRank + 1 AS rank FROM person p, (SELECT @curRank := 0) r ORDER BY age; The (SELECT @curRank := 0) part allo...
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What are all the escape characters?

... You can find the full list here. \t Insert a tab in the text at this point. \b Insert a backspace in the text at this point. \n Insert a newline in the text at this point. \r Insert a carriage return in the text at this point. \f Insert a formfeed in the text ...