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How do I create a namespace package in Python?

...s and regular packages have __file__ set to the .py file they were created from. Regular and namespace packages have __path__set to the directory or directories they were created from. When you do import foo.bar, the above search happens first for foo, then if a package was found, the search for ba...
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What does immutable mean?

... hello from 2015!! "On a lower level, immutability means that the memory the string is stored in will not be modified. " --- this is too restrictive and does not sound right. Immutability is only about userland, the virtual memory m...
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End of support for python 2.7?

... As of 13 Apr 2014, from http://hg.python.org/peps/rev/76d43e52d978 (PEP 373, Python 2.7 Release Schedule): The End Of Life date (EOL, sunset date) for Python 2.7 has been moved five years into the future, to 2020. This decision was made ...
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What is a Y-combinator? [closed]

A Y-combinator is a computer science concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them. ...
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How do I add files and folders into GitHub repos?

...2e master -> master Branch master set up to track remote branch master from origin. The files have been pushed successfully to the remote repository. Running a git pull origin master to ensure you have absorbed any upstream changes $ git pull origin master remote: Counting objects: 12, done....
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Classes vs. Modules in VB.NET

... is probably bad. I should have said VB counterparts to C# static classes. From that statement, I meant to say using a Module makes sense where you'd write a static class in C#. – Mehrdad Afshari May 19 '09 at 14:26 ...
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How to retrieve all keys (or values) from a std::map and put them into a vector?

...vel of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult. I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try something like this: std::map<int, i...
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Why is XOR the default way to combine hashes?

... answering to the exercise: from the 16 possible different a XXX b operations (0, a & b, a > b, a, a < b, b, a % b, a | b, !a & !b, a == b, !b, a >= b, !a, a <= b, !a | !b, 1), the following have 50%-50% distributions of 0s and 1s, a...
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Hide separator line on one UITableViewCell

...ll also change the cell content's left inset. Not just the separator line. From apple doc: "You can use this property to add space between the current cell’s contents and the left and right edges of the table. Positive inset values move the cell content and cell separator inward and away from the ...
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What are the differences between a pointer variable and a reference variable in C++?

...sses, etc. in a manner very similar to pointers. They exist independently from the variables they point to. – Derek Park Sep 12 '08 at 23:37 31 ...