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@pigmon93
pigmon93 / zigzag.md
Last active December 13, 2016 04:48
Zigzag Encoding

for int32

(n << 1) ^ (n >> 31)

for int64

(n << 1) ^ (n >> 63)
@pigmon93
pigmon93 / 0_reuse_code.js
Last active August 29, 2015 14:06
Here are some things you can do with Gists in GistBox.
// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console
package com.greatwebguy.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
public class CrossScriptingFilter implements Filter {
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>fs.default.name</name>
<value>hdfs://hadoop-01:9000</value>
</property>
@pigmon93
pigmon93 / log4j.properties
Created October 6, 2011 09:08
simplest log4j.properties
log4j.rootLogger=DEBUG, stdout
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p %c - %m%n