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A weighted version of random.choice

... needed to write a weighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with: ...
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Change default app.config at runtime

...ntries in the app.config file of my application. What I would like to do is the following: 8 Answers ...
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When should one use final for method parameters and local variables?

...est using final as much as possible and I'm wondering how important that is. This is mainly in the the context of method parameters and local variables, not final methods or classes. For constants, it makes obvious sense. ...
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How do I delete everything in Redis?

... With redis-cli: FLUSHDB – Deletes all keys from the connection's current database. FLUSHALL – Deletes all keys from all databases. For example, in your shell: redis-cli flushall ...
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Why can't I use a list as a dict key in python?

... There's a good article on the topic in the Python wiki: Why Lists Can't Be Dictionary Keys. As explained there: What would go wrong if you tried to use lists as keys, with the hash as, say, their memory location? It can be done without really breaking any of the requirements, but...
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Best ways to teach a beginner to program? [closed]

...rs, and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps. 1) FizzBuzz. Start with command line programs. You can write some fun games, or tools, very quickly, and you l...
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'Incomplete final line' warning when trying to read a .csv file into R

I'm trying to read a .csv file into R and upon using this formula: 15 Answers 15 ...
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In JavaScript, does it make a difference if I call a function with parentheses?

... window.onload = initAll(); This executes initAll() straight away and assigns the function's return value to window.onload. This is usually not what you want. initAll() would have to return a function for this to make sense. window.onload = initAll; ...
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Multiple arguments to function called by pthread_create()?

...ike to call on a separate thread. I've read that the typical way to do this is to define a struct, pass the function a pointer to that, and dereference it for the arguments. However, I am unable to get this to work: ...
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Call removeView() on the child's parent first

... share | improve this answer | follow | answered Jun 30 '11 at 17:27 kasgokukasgoku ...