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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
...You can inject little pieces of Ruby code directly into your strings.
name1 = "John"
name2 = "Mary"
"hello, #{name1}. Where is #{name2}?"
You can also do format strings in Ruby.
"hello, %s. Where is %s?" % ["John", "Mary"]
Remember to use square brackets there. Ruby doesn't have tuples, jus...
What would cause an algorithm to have O(log n) complexity?
...ere are a few:
Repeatedly dividing by a constant
Take any number n; say, 16. How many times can you divide n by two before you get a number less than or equal to one? For 16, we have that
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
Notice that this ends up taking four steps to complete. Inte...
jQuery add required to input fields
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edited Oct 3 '13 at 18:51
answered Oct 3 '13 at 18:39
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Removing packages installed with go get
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193
It's safe to just delete the source directory and compiled package file. Find the source dire...
ggplot: How to increase spacing between faceted plots?
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Change name of folder when cloning from GitHub?
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answered Dec 20 '11 at 4:04
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IE7 does not understand display: inline-block
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301
The IE7 display: inline-block; hack is as follows:
display: inline-block;
*display: inline;
zoo...
How to prevent page scrolling when scrolling a DIV element?
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Can I comment out a line in a .git/config file?
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