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java Programming Glossary: divisibleFinding largest prime number out of 600851475143? http://stackoverflow.com/questions/15279278/finding-largest-prime-number-out-of-600851475143 You are starting count at 1 instead of 2. All integers are divisible by 1. 2 You are running an O n^2 algorithm against a rather..
Why use a prime number in hashCode? http://stackoverflow.com/questions/3613102/why-use-a-prime-number-in-hashcode enough prime that the number of buckets is unlikely to be divisible by it and in fact modern java HashMap implementations keep the..
How to optimize for-comprehensions and loops in Scala? http://stackoverflow.com/questions/6146182/how-to-optimize-for-comprehensions-and-loops-in-scala 5 What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20 Here's my Java solution which.. seconds to complete on my machine public class P005_evenly_divisible implements Runnable final int t 20 public void run int i 10.. true public static void main String args new P005_evenly_divisible .run Here's my direct translation into Scala which takes 103..
Calculating and printing the nth prime number http://stackoverflow.com/questions/9625663/calculating-and-printing-the-nth-prime-number definition of a prime as a number greater than 1 that is divisible only by 1 and by itself that we learned in school¹ is Trial.. a divisor of n then n 2 is an integer in other words n is divisible by 2. But then the loop doesn't go past 2 so it never except.. a divisor of n if it is an integer in other words if n is divisible by 3. Then the loop will exit at 3 or before at 2 and never..
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