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What does the “yield” keyword do?

... list, you can read its items one by one. Reading its items one by one is called iteration: >>> mylist = [1, 2, 3] >>> for i in mylist: ... print(i) 1 2 3 mylist is an iterable. When you use a list comprehension, you create a list, and so an iterable: >>> mylist = [...
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How can you set class attributes from variable arguments (kwargs) in python

...riable number of arguments and then sets them as class attributes conditionally. 10 Answers ...
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How can you make a custom keyboard in Android?

... First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it). <?xml version="1.0" encoding="utf-8"?> <Keyboard xmlns:android="http://schemas.android.com...
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how to bypass Access-Control-Allow-Origin?

I'm doing a ajax call to my own server on a platform which they set prevent these ajax calls (but I need it to fetch the data from my server to display retrieved data from my server's database). My ajax script is working , it can send the data over to my server's php script to allow it to process. H...
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Is there a good Valgrind substitute for Windows?

...vered it is only for Linux - I have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows. ...
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Python class inherits object

... so are numerous, to list some of them: Support for descriptors. Specifically, the following constructs are made possible with descriptors: classmethod: A method that receives the class as an implicit argument instead of the instance. staticmethod: A method that does not receive the implicit ar...
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Manual deployment vs. Amazon Elastic Beanstalk

What are the advantages we get by using Elastic Beanstalk over maually creating EC2 instance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages? ...
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How to get number of entries in a Lua table?

...ual, any of 3, 5 and 9 are valid results for #t. According to the manual, calling # on non-sequences is undefined. That means that any result (-1, 3, 3.14, 5, 9) is valid. – cubuspl42 May 12 '14 at 20:08 ...
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What exactly are iterator, iterable, and iteration?

...loop, or map, or a list comprehension, etc. in Python, the next method is called automatically to get each item from the iterator, thus going through the process of iteration. A good place to start learning would be the iterators section of the tutorial and the iterator types section of the standar...
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Add a prefix to all Flask routes

...tant to the route at every definition. Is there a way to do this automatically? 10 Answers ...