DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 10, Problem 10E
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Four ways to use weblogs data can be beneficial to the website:
1. Marketing:
Information stored in log data can be very useful for marketers. Using this data, marketers can understand how various visitors search their website and use it to make purchases. It helps in understanding previously lost sales and offers improvement in potential areas.
2. Analysis:
Analysis of the log data helps in understanding various aspects of the website such as response time. This part is also related to product analysis and service analysis. This can help in attracting more page requests. Analysis of various error messages can offer insights into working on user-friendliness as well as interface improvement. One can learn more about customer base, geo-location, etc...
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Send me the lexer and parser
Here is my code please draw a transition diagram and nfa on paper
public class Lexer
{
private static final char EOF = 0;
private static final int BUFFER_SIZE = 10;
private Parser yyparser; // parent parser object
private java.io.Reader reader; // input stream
public int lineno; // line number
public int column; // column
// Double buffering implementation
private char[] buffer1;
private char[] buffer2;
private boolean usingBuffer1;
private int currentPos;
private int bufferLength;
private boolean endReached;
// Keywords
private static final String[] keywords = {
"int", "print", "if", "else", "while", "void"
};
public Lexer(java.io.Reader reader, Parser yyparser) throws Exception
{
this.reader = reader;
this.yyparser = yyparser;
this.lineno = 1;
this.column = 0;
// Initialize double buffering
buffer1 = new char[BUFFER_SIZE];
buffer2 = new char[BUFFER_SIZE];
usingBuffer1 = true;
currentPos = 0;
bufferLength = 0;
endReached = false;
// Initial buffer fill
fillBuffer();
}
private…
If integer x is divisible by 3, can you prove that ceil(x/2) + floor(x/6) = floor(x/2) + ceil(x/6)
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