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Why does Python code use len() function instead of a length method?

I know that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object. ...
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How and why do I set up a C# build machine? [closed]

I'm working with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expen...
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What is the difference between a pseudo-class and a pseudo-element in CSS?

Things like a:link or div::after ... 8 Answers 8 ...
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When should null values of Boolean be used?

Java boolean allows values of true and false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as ...
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What's the -practical- difference between a Bare and non-Bare repository?

I've been reading about the bare and non-bare / default repositores in Git. I haven't been able to understand quite well (theoretically) about the differences between them, and why I should "push" to a bare repository. Here's the deal: ...
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Does a foreign key automatically create an index?

I've been told that if I foreign key two tables, that SQL Server will create something akin to an index in the child table. I have a hard time believing this to be true, but can't find much out there related specifically to this. ...
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Can someone explain in simple terms to me what a directed acyclic graph is?

Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming. ...
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Java's final vs. C++'s const

The Java for C++ programmers tutorial says that (highlight is my own): 11 Answers 11...
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Best Practices: Salting & peppering passwords?

I came across a discussion in which I learned that what I'd been doing wasn't in fact salting passwords but peppering them, and I've since begun doing both with a function like: ...
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Calling parent class __init__ with multiple inheritance, what's the right way?

Say I have a multiple inheritance scenario: 9 Answers 9 ...