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Check if the number is integer
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answered Aug 13 '10 at 13:18
JamesJames
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mysql create user if not exists
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Java String split removed empty values
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answered Jan 30 '13 at 10:44
jlordojlordo
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Detect if homebrew package is installed
...tHolger Just
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File content into unix variable with newlines
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answered May 7 '10 at 14:44
paxdiablopaxdiablo
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...The root of the tree is 7, the left most node is 0, the right most node is 10.
Pre-order traversal:
Summary: Begins at the root (7), ends at the right-most node (10)
Traversal sequence: 7, 1, 0, 3, 2, 5, 4, 6, 9, 8, 10
In-order traversal:
Summary: Begins at the left-most node (0), ends at t...
How to get a random number in Ruby
...get for that feature).
For instance, in this game where you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, ...
How to parse float with two decimal places in javascript?
...uld like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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.Contains() on a list of custom class objects
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edited Apr 13 '10 at 11:55
answered Apr 13 '10 at 11:38
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Checking if a folder exists (and creating folders) in Qt, C++
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answered Feb 11 '10 at 2:22
Kyle LutzKyle Lutz
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