View foo_instance_error.rb
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class Foo | |
INSTANCE = Foo.new(1) | |
def initialize(arg0) | |
@arg0 = arg0 | |
end | |
end | |
# run me in irb, and you will get this error |
View ParseQueryString.java
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public class ParseQueryString { | |
public static void main(String[] args) { | |
String queryString = "foo=a&bar=b"; | |
for(String pair : queryString.split("&")) { | |
int index = pair.indexOf('='); | |
// -1 means not found | |
// 0 means at beginnging, e.g '=a' | |
if(index <=0) { | |
continue; | |
} |
View Dijkstra.java
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import java.util.ArrayList; | |
import java.util.HashMap; | |
import java.util.LinkedList; | |
import java.util.List; | |
import java.util.Map; | |
public class Dijkstra { | |
class VectorAndDistance { |
View BinarySearchTree.java
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import java.util.Iterator; | |
import java.util.LinkedList; | |
public class BinarySearchTree<T extends Comparable<T>> implements Iterable<T> { | |
// tree node | |
class Node { | |
T value; | |
Node leftChild; | |
Node rightChild; |
View validation-form-select-by-class
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
"http://www.w3.org/TR/html4/loose.dtd"> | |
<html> | |
<head> | |
<script src="http://code.jquery.com/jquery-latest.js"></script> | |
<script type="text/javascript" src="http://jzaefferer.github.com/jquery-validation/jquery.validate.js"></script> | |
<style type="text/css"> | |
* { font-family: Verdana; font-size: 96%; } | |
label { width: 10em; float: left; } | |
label.error { float: none; color: red; padding-left: .5em; vertical-align: top; } |
View hobbies.scala
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object Hobbies { | |
def main(args[]: String){ | |
println(List("Scala", "Java", "ACG", "Linux", "etc").mkString(", ")) | |
} | |
} |