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UnboundLocalError on local variable when reassigned after first use
The following code works as expected in both Python 2.5 and 3.0:
12 Answers
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Pimpl idiom vs Pure virtual class interface
I was wondering what would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance.
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Stopping scripters from slamming your website
This is about the bag o' crap sales on woot.com. I'm the president of Woot Workshop, the subsidiary of Woot that does the design, writes the product descriptions, podcasts, blog posts, and moderates the forums. I work with CSS/HTML and am only barely familiar with other technologies. I work closely ...
How to get element by innerText
How to get tag in html page, if I know what text tag contains.
E.g.:
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
It seems rare to read of a Python "virtual machine" while in Java "virtual machine" is used all the time.
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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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Initializing a list to a known number of elements in Python [duplicate]
Right now I am using a list, and was expecting something like:
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Can virtual functions have default parameters?
If I declare a base class (or interface class) and specify a default value for one or more of its parameters, do the derived classes have to specify the same defaults and if not, which defaults will manifest in the derived classes?
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What is a loop invariant?
I'm reading "Introduction to Algorithm" by CLRS. In chapter 2, the authors mention "loop invariants". What is a loop invariant?
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Is a DIV inside a TD a bad idea?
It seems like I heard/read somewhere that a <div> inside of a <td> was a no-no. Not that it won't work, just something about them not being really compatible based on their display type. Can't find any evidence to back up my hunch, so I may be totally wrong.
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