source code block using css

I found two tools to beautiful the code

A. using javascript SyntaxHighlighter
B. online web change source beautiful

java 8 lambda

1.  What is lambda ?
 * lambda is like a mathematics function f(x) = x +2, but it doesn't the name.
 * lambda in java is called function interface
 * lambda is anonymous interface and only one function

2. Lambda style

(input) -> {body}

3. example

Runnable runnbale = new Runnable() {
     public void run() {
      System.out.println("run me!");
     }
 }; 

Runnable runnbale = () -> System.out.println("run me!"); 

REF

Chinese: http://magiclen.org/java-8-lambda/

English more detail: more detail 

Explanation visual: visual

oracle function interface

oracle comsumer face

Authentication vs. Authorization

Authentication mean 

• Who is user ?
• And his password is hser?

Authorization mean

• Is the user can get the file?
• Is the user have write power?

LOG4j Simple start and slf4j start

Log4j 

1. Log4j setting explaination Good Explaination, Overview2

2. Example code Simple Example


For Setting in tomcat discussion
Stackup
apache office
Discussion2
Non-web

Slf4j Start

1. Overview ,  overview 2
2. It need the dependence of

• slf4j-api-1.7.2.jar
• slf4j-simple
• logback-classic
• logback-core

3.If you using log4j in the after you should setting in run command

-Dlog4j.configuration="/home/Andy/workspace/ShiroSource/WebContent/WEB-INF/log4j.properties"

4. simple Log api

Complete the slf4j and log4j in apache shiro

Summary File

From here

a. Library using 

b.  log4j.properties file  and put in the WEB-INF/

c. Setting the web.xml

d. Create web context listen at web start to load property files

Eclipse Add javax library

Using Eclipse:

1. Right click your project folder, select Properties at the bottom of the context menu.
2. Select "Java Build Path"
3. Click Libraries" tab
4. Click "Add Library..." button on right (about halfway down)
5. Select "Server Runtime" click "Next"
6. Select your Tomcat version from the list
7. Click Finish

Reference from forumla

Jetty First

Description
* Jetty is a pure Java-based HTTP (Web) server and Java Servlet container.
* Developed as an independent open source project, in 2009 Jetty moved to Eclipse
* It supports AJP, JASPI, JMX, JNDI, OSGi, WebSocket and other Java technologies


Jetty Notice
* jetty default port is 9080, http://localhost:9080/


Study
Chinese Explaination
Office for First Hello World
Jetty On eclipse Judo install
Jetty on eclispe first

Domain name list

Common useage:


.br Brazil
.at Austria
.au Australia



You can see it for more items
country_suffix