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用 App Inventor 通过 BluetoothLE 连接 Ard...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
... solve it correctly, because I haven't come up with a solution in the past 24 hours.
31 Answers
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
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Access multiple elements of list knowing their index
...ay I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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Find intersection of two nested lists?
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Include another JSP file
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What you're doing is a static include. A static include is resolved at compile time, and may t...
How to extract numbers from a string in Python?
...tract only positive integers, try the following:
>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]
I would argue that this is better than the regex example because you don't need another module and it's more readable becaus...
How to set selected value of jquery select2?
This belong to codes prior to select2 version 4
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How do you echo a 4-digit Unicode character in Bash?
... crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
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How to convert a string of numbers to an array of numbers?
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My 2 cents for golfers:
b="1,2,3,4".split`,`.map(x=>+x)
backquote is string litteral so we can omit the parenthesis (because of the nature of split function) but it is equivalent to split(','). The string is now an array, ...