Lab Web Stress Test

1. Download Stress Test
2. Take a look at the user manual.
3. Test a static page.
Try combinations of stress levels and stress multipliers to simulate 10 users and 100 users.
4. Test a dynamic page.
Try combinations of stress levels and stress multipliers to simulate 10 users and 100 users.
5. Compare the response time of both pages and explain why.

Lab Site Traffic Metrics

1. Enter Sitemeter.
2. Put a Sitemeter in your own blog.
2. Check the site meter to see the daily traffic chart, the recent visitors by locations.

Lab: Packet Sniffer

1. Install Protocol Analyzer Ethereal at http://www.wireshark.org/
2. Capture the packets at your Ethernet interface card.
3. Enter a login required website that you often go to, such as web mail. Don't use the real account or password.
4. Try to catch the packet that contains the password.

Lab: Drap and Drop

1. Go to Laszlo and enter (Laszlo in 10 minutes).
2. Study and play around the "drag-and-drop" example.
3. Use this method to control movie playing as in the previous lab.
4. If you drag and drop the photo to the "play" area, the movie plays.
5. If you drap and drop the photo to the "pause" area, the movie pauses.

Lab: Movie Player

1. Go to Laszlo and enter (Laszlo in 10 minutes).
2. Study and play around the "scripting" and "video" examples.
3. Use this script to control movie playing.
4. If you push the "pause" button, the movie pauses.
5. If you push the "resume" button, the movie resumes.

Lab Hanoi Tower

The pseudocode for Hanoi Tower is as follows:

solve(N, Src, Aux, Dst)
if N is 0 return
solve(N-1, Src, Dst, Aux)
Move N from Src to Dst
solve(N-1, Aux, Src, Dst)


Write the Java program based on the pseudocode in the above.

Lab Recursive Method

Write a recursive method to compute Fibonacci series.

Hint:

1.
fib(n)=fib(n-1)+fib(n-2)

2.
public static long fib(int n)

Lab Factorial

Write a Java program that computes N! where N is a positive integer.

Hint:

public static long factorial(int n)

Lab DOM

[Lab]
1. Open NVu
2. Based on the code as in http://www.scottandrew.com/weblog/articles/dom_4 ,
write a code to generate the table of 9*9 products. (九九乘法表)

Hint: The javascript code should be enclosed by script tags.

Lab Create Image using DOM

1. Open Nvu
2. Hand code a javascript that loads an image from Internet based on
the DOM model.
3. Take a look at the sample code that shows how window.onload to load the image.
4. Use a button to load the image. Try how onclick works.

Lab XML (2)

1. Register and Download Xray, an XML, XSLT editor and processor.

2. Given the
Listing 1. An XML document representing the results of a soccer tournament
Listing 2. A basic style sheet for the soccer results

use the XSLT as in the Listing 2 to transform the XML file as in the Listing 1.
(archive)

3. View the formatted HTML file.
4. Given the
Listing 1. An XML document representing the results of a soccer tournament
Listing 3. A style sheet that computes team standings

compute the team standings in a table.

5. View the formatted HTML file.

Lab XML

1. Register and Download Xray, an XML, XSLT editor and processor.

2. Given the the XML file and XSLT file ,
use Xray to do the transformation of the XML into HTML.
You have to replace [ with <.

3. View the formatted HTML file.

Homework 11-24-2008

1. Lab: Form and Action, Part II
2. 在CGI語法裡，解釋 GET, POST 差異在哪裡?

answer:
1.LAB

2.再CGI程式中，GET與POST最大的差別就是接收資料方式的不同。GET是使用環境變數QUERY_STRING來傳遞資料;而POST則是使用STDIN(標準輸入)來取得資料 。