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Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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nonlocal keyword in Python 2.x
I'm trying to implement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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Why use the params keyword?
I know this is a basic question, but I couldn't find an answer.
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Writing handler for UIAlertAction
I'm presenting a UIAlertView to the user and I can't figure out how to write the handler. This is my attempt:
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UITableView is starting with an offset in iOS 7
I have dragged a plain jane UITableView onto a UIViewController in iOS 7.
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Wrap a delegate in an IEqualityComparer
Several Linq.Enumerable functions take an IEqualityComparer<T> . Is there a convenient wrapper class that adapts a delegate(T,T)=>bool to implement IEqualityComparer<T> ? It's easy enough to write one (if your ignore problems with defining a correct hashcode), but I'd like to know...
How to get UTC timestamp in Ruby?
How to get UTC timestamp in Ruby?
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How do Python's any and all functions work?
I'm trying to understand how the any() and all() Python built-in functions work.
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How to escape braces (curly brackets) in a format string in .NET
How can brackets be escaped in using string.Format .
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object==null or null==object?
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This is probably a habit learned from C, to avoid this sort of typo (single = instead of a double ==):
if (object = null) {
The convention of putting the constant on the left side of == isn't really useful in Java since Java requires that the expression in an if evaluate to a boolean value, ...