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What's invokedynamic and how do I use it?

... can do with it; if you're a tool creator, though, you can use it to build more flexible, more efficient JVM-based languages. Here is a really sweet blog post that gives a lot of detail. share | imp...
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Best practice for Python assert

...ed as descriptors, I wouldn't call this an example of using them. This is more an example of properties in and of themselves: docs.python.org/library/functions.html#property – Jason Baker Jun 3 '09 at 13:43 ...
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Generic type parameter naming convention for Java (with multiple chars)?

In some interfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. ...
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Difference between TCP and UDP?

...each destination and can arrive out of order or don't arrive at all. It is more efficient than TCP because it uses non ACK. It's generally used for real time communication, where a little percentage of packet loss rate is preferable to the overhead of a TCP connection. In certain situations UDP is...
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Counting DISTINCT over multiple columns

... Excellent suggestion! The more I read, the more I am realizing that SQL is less about knowing syntax and functions and more about applying pure logic.. I wish I had 2 upvotes! – tumchaaditya Oct 4 '13 at 22:48 ...
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AngularJS: how to implement a simple file upload with multipart form?

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MySQL Error 1215: Cannot add foreign key constraint

... @www.jensolsson.se You are correct, if the PK includes one or more string columns then they must use the same character set and collation. In this specific case the PK was an INT so the character set of the table and/or columns was not relevant. – Ike Walker ...
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Functional design patterns [closed]

...ou build something that must be combined with other monads, resulting in a more complex one able to handle features of both of them. In Real World Haskell there are a few chapters about monads. In Chapter 14. Monads the authors explain the basics and some common usages (maybe, list, state). Chapter...
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Does Python optimize tail recursion?

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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

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