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What does %w(array) mean?
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%w(foo bar) is a shortcut for ["foo", "bar"]. Meaning it's a notation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspider's ...
How can I print variable and string on same line in Python?
I am using python to work out how many children would be born in 5 years if a child was born every 7 seconds. The problem is on my last line. How do I get a variable to work when I'm printing text either side of it?
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receiver type *** for instance message is a forward declaration
In my iOS5 app, I have NSObject States class, and trying to init it:
9 Answers
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Can a variable number of arguments be passed to a function?
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Yes. You can use *args as a non-keyword argument. You will then be able to pass any number of arguments.
def manyArgs(*arg):
print "I was called with", len(arg), "arguments:", arg
>>> manyArgs(1)
I was called with 1 arguments: (1,)
>>> manyArgs(1, 2, 3)
I was called ...
Git workflow and rebase vs merge questions
I've been using Git now for a couple of months on a project with one other developer. I have several years of experience with SVN , so I guess I bring a lot of baggage to the relationship.
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What is the difference between `let` and `var` in swift?
What is the difference between let and var in Apple's Swift language?
30 Answers
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How to convert an Stream into a byte[] in C#? [duplicate]
Is there a simple way or method to convert an Stream into a byte[] in C#?
12 Answers
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How to get highcharts dates in the x axis?
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Highcharts will automatically try to find the best format for the current zoom-range. This is done if the xAxis has the type 'datetime'. Next the unit of the current zoom is calculated, it could be one of:
second
minute
hour
day
week
month
year
This unit is then used...
How can I increment a char?
...increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
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How do I create multiple submit buttons for the same form in Rails?
I need to have multiple submit buttons.
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