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Bare asterisk in function arguments?
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232
Bare * is used to force the caller to use named arguments - so you cannot define a function wit...
How do you match only valid roman numerals with a regular expression?
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330
You can use the following regex for this:
^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0...
What does the “yield” keyword do?
...ng its items one by one is called iteration:
>>> mylist = [1, 2, 3]
>>> for i in mylist:
... print(i)
1
2
3
mylist is an iterable. When you use a list comprehension, you create a list, and so an iterable:
>>> mylist = [x*x for x in range(3)]
>>> for i in my...
How to replace text between quotes in vi
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183
Use ci", which means: change what inside the double quotes.
You can also manipulate other tex...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
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edited Feb 5 '14 at 23:13
answered Nov 27 '10 at 17:33
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How to add item to the beginning of List?
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answered Dec 24 '08 at 0:37
Matt HamiltonMatt Hamilton
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
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335
It looks like you are passing an NSString parameter where you should be passing an NSData para...
Could not locate Gemfile
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JoniJoni
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