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Programmatically scroll a UIScrollView
... (myScrollView.contentOffset.x +320) lies the key!
– DD_
Feb 28 '13 at 6:17
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How do I include negative decimal numbers in this regular expression?
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You should add an optional hyphen at the beginning by adding -? (? is a quantifier meaning one or zero occurrences):
^-?[0-9]\d*(\.\d+)?$
I verified it in Rubular with these values:
10.00
-10.00
and both matched as expected.
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How to automatically generate a stacktrace when my program crashes
...signal handler on top of the stack, and the libc functions before main in addition to main, foo, bar, and baz.
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What is the string concatenation operator in Oracle?
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62
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How to get complete month name from DateTime
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90
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How to map with index in Ruby?
...oo = ['d'] * 5; foo.map!.with_index { |x,i| x * i }; foo #=> ["", "d", "dd", "ddd", "dddd"]
– Connor McKay
Feb 27 '14 at 21:47
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Check if a String contains numbers Java
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27
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How to generate random SHA1 hash to use as ID in node.js?
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642
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Efficiently replace all accented characters in a string?
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