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What is the syntax rule for having trailing commas in tuple definitions?
...are wrapping the expression `1`)
(1,) # a 1-tuple holding a number 1
For more than one item, it is no longer necessary since it is perfectly clear it is a tuple. However, the trailing comma is allowed to make defining them using multiple lines easier. You could add to the end or rearrange items ...
How to fix homebrew permissions?
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What is the JavaScript >>> operator and how do you use it?
...sts against using such things). It doesn't mean that its wrong to do, but more favorable and familiar methods exist to make code more readable. A more clear way to ensure that len is 0 is either of the following two methods.
// Cast this.length to a number
var len = +this.length;
or
// Cast thi...
pyplot scatter plot marker size
...uare of width, doubling the width actually appears to increase the size by more than a factor 2 (in fact it increases it by a factor of 4). To see this consider the following two examples and the output they produce.
# doubling the width of markers
x = [0,2,4,6,8,10]
y = [0]*len(x)
s = [20*4**n for...
jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
...hich these items were attached can soon get out of hand as you keep adding more and more of these ordered events.
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Find all tables containing column with specified name - MS SQL Server
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What is tail recursion?
..., this answer does show the concept (almost) correctly. It would have been more clearly a tail call, if the "else:" were omitted. Wouldn't change the behavior, but would place the tail call as an independent statement. I will submit that as an edit.
– ToolmakerSteve
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c++11 Return value optimization or move? [duplicate]
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What's the simplest way to list conflicted files in Git?
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