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When should I use @classmethod and when def method(self)?

While integrating a Django app I have not used before, I found two different ways used to define functions in classes. The author seems to use them both very intentionally. The first one is one I myself use a lot: ...
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Insert Update stored proc on SQL Server

I've written a stored proc that will do an update if a record exists, otherwise it will do an insert. It looks something like this: ...
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]

I have two inline-block div elements, that are the same, positioned next to eachother. However there seems to be a mysterious space of 4 pixels between the two divs despite the margin being set to 0. There are no parent divs effecting them - What is going on? ...
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lock(new object()) — Cargo cult or some crazy “language special case”?

I'm reviewing some code written by a consultant, and while dozens of red flags have already popped up, I can't wrap my head around the following snippet: ...
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ASP.Net: Literal vs Label

I just wanted to hear some authorities on when and where you should use a LITERAL control over a LABEL . 4 Answers ...
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Are nested span tags OK in XHTML?

Will this validate in XHTML? 3 Answers 3 ...
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How to embed an autoplaying YouTube video in an iframe?

I am trying to embed the new iframe version of a YouTube video and get it to auto play. 14 Answers ...
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Update one MySQL table with values from another

I'm trying to update one MySQL table based on information from another. 2 Answers 2 ...
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Why is parenthesis in print voluntary in Python 2.7?

In Python 2.7 both the following will do the same 4 Answers 4 ...
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What kind of Garbage Collection does Go use?

Go is a garbage collected language: 5 Answers 5 ...