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The opposite of Intersect()
...two nested for loops, but the code will be way dirtier than this. Counting readability into this also, I would clearly use this variant as it's very easy to read.
– Øyvind Bråthen
Jan 4 '12 at 15:10
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Java recursive Fibonacci sequence
...(3) + fibonacci(2)
fibonacci(2) = fibonacci(1) + fibonacci(0)
Now you already know fibonacci(1)==1 and fibonacci(0) == 0. So, you can subsequently calculate the other values.
Now,
fibonacci(2) = 1+0 = 1
fibonacci(3) = 1+1 = 2
fibonacci(4) = 2+1 = 3
fibonacci(5) = 3+2 = 5
And from fibonacci se...
How to select option in drop down using Capybara
...ithin that, then calls select_option on the <option> node.
You've already pretty much done the first two things, I'd just rearrange them. Then you can tack the select_option method on the end:
find('#organizationSelect').find(:xpath, 'option[2]').select_option
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How do I round a decimal value to 2 decimal places (for output on a page)
...solution, you won't have the culture formatting that one would expect when reading numbers. For this you should use ToString("N2"), or ToString("N").
– Shautieh
Aug 21 '14 at 15:54
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hexadecimal string to byte array in python
...tend.
bytearray.fromhex("de ad be ef 00")
It returns a bytearray and it reads hex strings with or without space separator.
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How do I get the current version of my iOS project in code?
...use in your code.
I have created one small extension to UIApplication that reads the Info.plist file and returns a version number automatically.
Here’s the code:
extension UIApplication {
static var appVersion: String? {
return Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVer...
How to change a django QueryDict to Python Dict?
...eys(), request.GET.values()))
{u'key': u"CDEF" }
zip is a powerful tool read more about it here http://docs.python.org/2/library/functions.html#zip
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Align items in a stack panel?
...the 'etc.' I guess the answer is no, and will have to do it the tough way, read my comment for JMD above
– Shimmy Weitzhandler
Jan 7 '10 at 20:29
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How to print a percentage value in python?
...ow, if it's more pythonic. At least it is something you stumble over while reading the code. I think with Python 3 and real division by default this irritation is gone.
– miku
Jul 17 '13 at 8:19
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Server is already running in Rails
...starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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