creating the web client

... that port, the server accepts the connection and then converses with the client using whatever protocol they agree on (e.g., HTTP, NNTP, SMTP, etc.). Initially, the server uses the socket( ... routine. The first parameter is the file handle to write the data to. The data to write is specified as the second parameter. Finally, the third parameter is the length of the data to write. Like this: ... Connection The listen( ) function tells the operating system that the server is ready to accept incoming network connections on the port. The first parameter is the file handle of the socket...

Ngày tải lên: 20/10/2013, 10:15

... In most cases, if the client doesn't understand the response, it would be nice to tell the user or at least let the user know to get the latest version of HTTP for the client! print ... Otherwise, the client may expose its authentication to an outside organization. This opens up the user's account to outsiders. What does your client do when the server is down? When the ... down, there are several options. The most obvious option is for the client to attempt the HTTP request at a later time. Other options are to try an alternate server or abort the transaction. The...

Ngày tải lên: 20/10/2013, 10:15

... where the first parameter is the identifier that defines the value of the User-Agent header in the request, the second parameter is the email address of the person using the robot, and the optional ...  The HTTP module describes client requests, server responses, and dates, and computes a client/ server negotiation.  The LWP module is the core of all web client programs. It allows the client ... returns the current value of the email address used in the From HTTP header. If invoked with an argument, the From header will use that email address in the future. (The From header tells the web...

Ngày tải lên: 24/10/2013, 08:15

... returns the default port for the URL defined in the object. The default port is based on the scheme used. Even if the port for the URL is explicitly changed by the user with the port( ) method, the ... support for the Robot Exclusion Standard. As discussed in the LWP::RobotUA section, the Robot Exclusion Standard gives webmasters the ability to block off certain areas of the web site from the automated ... example, and now the web client knows that it should use the proxy at proxy.ora.com at port 8080 for HTTP requests, but to avoid using the proxy if the request is for a web server in the ora.com...

Ngày tải lên: 24/10/2013, 08:15

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

... code directly in the code-behind file of the .asmx Web service. But in a service-oriented architecture, it is important to design the Web service components themselves so that they truly act as ... to understanding the material in the second half of the book. The remaining chapters of the book cover all of the WS-Specifications that are imple- mented by WSE 2.0. Finally, the book closes ... of the WS-Specifications, and their implementation using Web Services Enhancements (WSE) 2.0. You will get the most out of this book if you read at least the first five chapters in sequence. These...

Ngày tải lên: 20/08/2012, 13:59

... presented is the content. By analogy, the Web is the information transfer system, and Hypertext Markup Language—HTML—is the format used for content. Some of the HTML documents available on the Internet ... Explorer. First, however, I define the concept a web of information. So before you study the basics of creating cool Web pages, take a close look at what the Web is, how it works, and what HTML ... brief! What Is the Web Anyway? To understand the World Wide Web, consider how information is organized in print media. Print media, I think, is a good model for the Web, although others may feel...

Ngày tải lên: 27/08/2012, 09:03

Ngày tải lên: 06/09/2013, 18:06

... This is the reverse of Request/Response. The Web service sends a mes- sage to the client, and then the client sends a response message to the Web service. The <operation> element lists the ... Solicit/Response: This is the reverse of Request/Response. The Web service sends a mes- sage to the client, and then the client sends a response message to the Web service. • Notification: This is the reverse ... But the concrete information is new. The <binding> element informs you that the Web service uses the SOAP transport protocol. The <soap:operation> element tells you the name of the Web...

Ngày tải lên: 05/10/2013, 08:51

... document, the web client requests the document without sending an Authorization header. If the server denies access to the document, the server specifies the authorization method for the client ... finishes. The close parameter signifies that either the client or server wishes to end the connection (i.e., this is the last transaction). The keep-alive parameter signifies that the client wishes ... months later, when the client returns to the site to place another order, the client should recognize the URL and append the cookie to its headers: GET /www.whosis.com/order.pl [Client headers...

Ngày tải lên: 17/10/2013, 19:15

... others to do the same. • Get explicit commitments from people to support the goals of the program— then they are more likely to follow through. • Take action, first to articulate the needs, then ... is at the heart of the huge success being enjoyed by HP in the computer business. The woman who initiated the process continues taking on new development efforts within the company. Another situation ... prevent succumbing to the worse. The first intriguing factor about the break-out discussions was what sins they would pick. Would they pick the same ones or all different ones? Well, there was a small...

Ngày tải lên: 18/10/2013, 00:15

... out of their sight. Yahoo had a Web bookmark service, according to the Web 1.0 model for some years, called Yahoo Bookmarks. But in the middle of 2005 they decided to surf the wave of the Web ... from now on. The Web 2.0 Document Model When I write Web site I mean a place on the Web represented by an URL. Consequently both blogs and wikis are Web sites. But in another sense a Web site is ... rising from the ash of the phoenix, could be grouped and called Web 2.0 as a contrast to companies before; which then would be called Web 1.0. e agreement among them led to the Web 2.0 conference....

Ngày tải lên: 18/10/2013, 12:15

... them that the program provides means to meet organizational needs; participants have more fun; the experience is stimulating; you help them more than others; they get constructive feedback; they ... skills of these professions and apply them daily. Position the project office within the power base of the organization. There is no one right answer to where the PO should report. Seek an energetic, ... communicating them through all appropriate means. Ef- fective program managers embrace the notion that they are salespersons, politicians, and negotiators. Take the time to learn the skills of these...

Ngày tải lên: 20/10/2013, 19:15

... alike—even if they are part of the same cate- gory. The functions described separately may fuse together into different forms. For instance, the staff functions of the PSO and the PMCOE might ... help get feedback about the design. The problem was that most of the participants expected a pilot to be almost ready to go, the first implementation of the final product, so they were horrified about ... Resources management In a further breakdown, the survey classified detailed activities by “sets” ac- cording to the frequency in which they appeared. 94 Creating the Project Office sites are needed:...

Ngày tải lên: 20/10/2013, 19:15

... to true by the user if they press the button. The Checked property indicates the Boolean value currently set in the radio button. RadioButtonList A group of radio buttons. You set the list of ... with another control or a constant value. You set the control The Web Form Controls In this section, you'll see a summary of the various Web form controls that you can pick from the Toolbox's ... from the DropDownList when the form is run. ListBox A list of options. You set the list of options using the Items property. The user can select multiple options from the ListBox if the SelectionMode...

Ngày tải lên: 24/10/2013, 08:15

... PMOs emerged in the mid-1990s. Based on the growth patterns that resulted from the 98 Creating the Project Office a focus on planning for success using the value-added component as the benefit hook. ... options related to the context, the organization and people, the support functions, and the project execution responsibility. Once the right concept is hatched, then involve stakeholders in the movement ... PMO philosophy. First, it was handled using the principles of project management, with 102 Creating the Project Office For the first year, the PO aimed primarily at increasing the competency level of project...

Ngày tải lên: 24/10/2013, 18:15

... dev- astating. They needed to have their own act together first before marketing them- selves and the project office concept to others. If the answer to the first question was yes and the second question ... others it pointed up the lack of them. These efforts helped various organizations within 3M identify their strengths and weaknesses, their position in their marketplaces, and suggested how the ... question was no, then their job changed, because the organization was not ready to hear what they had to offer yet.They found they needed to intelligently bide their time and help the organization...

Ngày tải lên: 24/10/2013, 18:15

Ngày tải lên: 28/10/2013, 15:15

Ngày tải lên: 28/10/2013, 15:15