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programming world wide
Questions and Answers of
Programming World Wide
How many different tags are predefined in an XML-based markup language?
What is the great advantage of XML over HTML for describing data?
Why must code generated by a filter often be modified manually before use?
What is a filter HTML converter?
What is a plug-in?
What appears to motivate a hacker to create and disseminate a virus?
Is it practically possible to compute the private key associated with a given public key?
What problem is addressed by using a public-key approach to encryption?
What important capability is lacking in a markup language?
What response header field is most often required?
What is the purpose of the Accept field in an HTTP request?
Describe the purposes of the five most commonly used HTTP methods.
With what must a Web server furnish the browser when it returns a document with an experimental MIME type?
What is the purpose of an MIME type specification in a request-response transaction between a browser and a server?
When a browser requests a directory without giving its name, what is the name of the file that is normally returned by the Web server?
How do partial paths to documents work in Web servers?
What does the file protocol specify?
What is a proxy server?
What is a virtual host?
What is the server root of a Web server?
What is a virtual document tree?
What is the document root of a Web server?
In what common situation is the document returned by a Web server created after the request is received?
What kind of browser, introduced in 1993, led to a huge expansion of Web usage?
In the first proposal for the Web, what form of information was to be interchanged?
What is the purpose of telnet?
What is the task of a DNS name server?
Describe a fully qualified domain name.
What is the form of an IP address?
What protocol is used by all computer connections to the Internet?
Search the Web for information on the history of the following technologies, and write a brief overview of those histories:a. TCP/IPb. SGMLc. HTMLd. ARPAnete. BITNETf. XMLg. JavaScripth. Flashi.
What was one of the fundamental requirements for the new national computer network proposed by the DoD in the 1960s?
For the following products, to what brand do you have access, what is its version number, and what is the latest available version?a. Browserb. Web serverc. JavaScriptd. PHPe. Servletsf. ASP.NETg.
Modify the example application of Exercise 16.5 to add a column for position played by the person. Also, modify the query form to include position played.Data from exercise 16.5Build a Rails
Function: reverserParameter: A number.Returns: The number with its digits in reverse order.Write, test, and debug (if necessary) JavaScript scripts for the problem that above. When required to write
Write, test, and debug (if necessary) a Ruby program with the following specification:Input: Three numbers, a, b, and c, each on its own line, from the keyboard.Output: The value of the expression
Write, test, and debug (if necessary) a Ruby program with the following specification:Input: Three names, on separate lines, from the keyboard.Output: The input names in alphabetical order. Do not
Write, test, and debug (if necessary) a Ruby program with the following specification:Input: A list of numbers from the keyboard.Output: Two lists of numbers, one with input numbers greater than zero
Modify and test the program JDBCServlet.java to handle UPDATE and INSERT SQL commands, as well as SELECT.
Use MySQL to create a database of information about used trucks for sale, similar to the cars database used in this chapter. Make up equipment that characterizes trucks. Get the raw data from the ad
Modify the ASP.NET document validate.aspx to add the following:a text box for address, which the document must validate to ensure that the address begins with a number, which is followed by a space
Modify the ASP.NET document controls.aspx and its accompanying code behind file, controls.aspx.cs, to add the following: a text box for the user’s address and a drop-down list for favorite category
Modify the ASP.NET document hello.aspx to use radio buttons to get the marital status of the user (single, married, divorced, widowed) and display the result.
Modify the HTML form for the election and the servlet VoteCounter to allow voters to vote for one additional office. The new office is named catcatcher. Candidates for catcatcher are Kitty Catland,
Revise the survey sample servlet Survey.java to record the number of votes so far in the data file and then display that count every time a vote is submitted or a survey result is requested. Also,
Write a servlet that returns a randomly chosen greeting from a list of five different greetings. The greetings must be stored as constant strings in the program.
Modify the example application of Section 10.2 to use Dojo.
Modify the example application of Section 10.2 to have it provide the addresses of repeat customers, using a hash of names and addresses.
Write an HTML document that includes an anchor tag that calls a PHP document. Also, write the called PHP script document, which returns a randomly chosen greeting from a list of five different
Parameter: A string containing words that are delimited on the left with spaces and on the right with spaces, commas, periods, or question marks.Return value: The three most common words in the
Parameter: A string of numbers separated by spaces.Return value: The first four-digit number in the string; false if none.Write, test, and debug (if necessary) PHP scripts for the specifications that
Parameter: An array of numbers.Return value: The average and median of the numbers in the parameter array.Write, test, and debug (if necessary) PHP scripts for the specifications that above. For
Parameter: An array of strings.Return value: A list of the unique strings in the parameter array.Write, test, and debug (if necessary) PHP scripts for the specifications that above. For Exercise,
Modify the XSLT style sheet of Exercise 7.4 to format all the car elements in the XML document of Exercise 7.2, and use the style sheet to create a display of the whole document.
Create an XSLT style sheet for one car element of the XML document of Exercise 7.2, and use it to create a display of that element.
Create a CSS style sheet for the XML document of Exercise 7.2, and use it to create a display of that document.
Create an XML document with at least three instances of the car element defined in the XML schema of Exercise 7.1. Process this document by using the XML schema of Exercise 7.1, and produce a display
Create an XML schema for a catalog of cars, where each car has the child elements make, model, year, color, engine, number_of_doors, transmission_type, and accessories. The engine element has the
Write, test, validate, and debug (if necessary) markup documents and JavaScript files for the following:The document must display an image and three buttons. The buttons should be labeled simply 1,
Write, test, validate, and debug (if necessary) markup documents and JavaScript files for the following:Modify the document described in Exercise 6.2 to make the buttons toggle their respective
Write, test, validate, and debug (if necessary) markup documents and JavaScript files for the following:Modify the document described in Exercise 6.1 to add four buttons labeled, respectively,
Write, test, validate, and debug (if necessary) markup documents and JavaScript files for the following:The document must have a paragraph of at least 10 lines of text that describe you. This
Range checks for element inputs can be represented as new properties of the object that represents the element. Modify the document in Exercise 5.5 to add a max property value of 99 and a min
Add reality checks to the text boxes of the document in Exercise 5.4. The checks on the text box inputs should ensure that the input values are numbers in the range from 0 to 99.Data from exercise
Develop and test an HTML document that is similar to that of Exercise 5.3. In this case, use text boxes rather than checkboxes. These text boxes take a number, which is the purchased number of the
Rewrite the document for Exercise 5.1 to assign the event handler to the event property of the button element. This requires the chosen color to be obtained from the value property of the button
Modify the radio_click.html example to have five buttons, labeled red, blue, green, yellow, and orange. The event handlers for these buttons must produce messages stating the chosen favorite color.
Function: e_namesParameter: An array of names, represented as strings.Returns: The number of names in the given array that end in either "ie" or "y".Write, test, and debug (if necessary) JavaScript
Modify the script of Exercise 4.6 to get a second input from the user, which is either "ascending" or "descending". Use this input to determine how to sort the input words.Data from exercise
Input: A line of text, using prompt.Output: The words of the input text, in alphabetical order.Write, test, and debug (if necessary) JavaScript scripts for the problem that above. When required to
Modify the script of Exercise 4.2 to use prompt to input a number n that is the number of the Fibonacci number required as output.Data from exercise 4.2Output: A table of the numbers from 5 to 15 and
Input: Three numbers, using prompt to get each.Output: The largest of the three input numbers.Use the predefined function Math.max.Write, test, and debug (if necessary) JavaScript scripts for the
Output: A table of the numbers from 5 to 15 and their squares and cubes, using alert.Write, test, and debug (if necessary) JavaScript scripts for the problem that above. When required to write a
Using a document style sheet, modify the HTML document, definition.html in Section 2.7.3 to set the font in the dt elements to Courier 1em font and the dd elements to Times Roman 1.1em italic font.
Create and test an HTML document that describes nested ordered lists of cars. The outer list must have three entries: compact, midsize, and sports. Inside each of these three lists there must be two
Create and test an HTML document that has at least a half page of text and a small box of text embedded on the left margin, with the main text flowing around the small box. The embedded text must
Create and test an HTML document that displays a table of football scores from a collegiate football conference in which the team names have one of the primary colors of their respective schools. The
Create an external style sheet for the chapters of this book.
Modify the document from one of the earlier exercises to add both header and footer elements. An article element that contains information relevant to the document but which is from some external
Create and test an HTML document that describes a table with the following contents: The columns of the table must have the headings “Pine,” “Maple,” “Oak,” and “Fir.” The rows must
Create and test an HTML document that describes an ordered list with the following contents: The highest level should be the names of your parents, with your mother first. Under each parent, you must
Create and test an HTML document that describes an unordered list equivalent to your typical grocery shopping list. (If you’ve never written a grocery list, use your imagination.)
Modify and test an HTML document from Exercise 2.9 that adds a secondlevel column label, “Tree,” and a second-level row label, “Characteristics.”Data from exercises 2.9Create and test an HTML
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