Rebirth of the Tech Madman

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A clear WWW standard free, no doubt let those interested people greatly relieved.

Gein, Zheru's energy in the industry is not ordinary, otherwise, in the Tang Dynasty storm, he would not become a coveted fat; and the demonstration platform built in the San Francisco Municipal Auditorium is even more impressive. The prospect of WWW application is vividly demonstrated - the attractiveness of such an excellent architecture is undoubted, but the threshold of authorization is feared.

Originally, it is natural for developers to charge patent fees, and there is nothing wrong with it. However, in the past few decades, the iron walls built by big companies led by IBM have really caused everyone to suffer.

If the rope of patent protection is tightened too tightly, it will become the biggest obstacle to progress. From a certain point of view, isn’t Hollywood today just running to the west of the United States in order to avoid Edison’s patent network in the east of the United States? filmmakers, have developed.

Tang Huan launched the WWW, which is indeed very remarkable, but if he has no chance to participate in it, what does it have to do with himself?

Now that the WWW standard is free, the most direct feeling of everyone is that Tang Huan has such a bearing, but he is worthy of the five-minute standing ovation just now.

Seeing that everyone in the audience was satisfied, Tang Huan smiled slightly. There is no shortage of smart people in this world, and they are also full of confidence in the prospects of the Internet. But it is estimated that very few people can predict how fierce the Internet technology competition will be in the next ten years. Therefore, it is the first step to use the free WWW standard to enclose its own World Wide Web site on the Internet and kill other similar standards.

After pressing the remote control to project the video output of the computer onto the big screen, Tang Huan turned to the topic and said, I think the most impressive thing about HTML is the ubiquitous hyperlinks, which can directly lead us to the next page. a page.

Is it easy to implement such a simple but creative information organization and presentation method in the HTML page editing process?

Let me tell you, it's surprisingly simple - just use the pair of tags \u0026amp;lt;A\u0026amp;gt; and \u0026amp;lt;/A\u0026amp;gt; to surround the text you want to be a hyperlink, and Just assign an absolute path or a relative path to the attribute 'HREF' of \u0026amp;lt;A\u0026amp;gt;. Tang Huan opened the simplest text editor while talking, entered some codes with a clear structure, and then Save it as a web page file and open it with the browser Polestar. Sure enough, a blue hyperlink text appeared. With a click of the mouse, it navigated to the official homepage of this Zheru Spring Developers Conference.

So_Easy! Tang Huan shrugged,

Finally concluded.

Among the 7,000 attendees, there are not many professionals who can get in touch with WWW technology in advance. Most of them are seeing such a miraculous scene for the first time, and they can't help applauding immediately.

\u0026amp;lt;A\u0026amp;gt; and \u0026amp;lt;/A\u0026amp;gt; tags that echo one after another and match each other are the biggest feature of the HTML language. Tang Huan turned the topic to the entire HTML language.

Just like the meaning of the name HyperText_Markup_Language-Hypertext Markup Language, HTML is a markup language derived from a meta-language standard released by ISO in 1986 that can define a markup language, namely Standard_Generalized_Markup_Language-Standard Generalized Markup Language.

SGML can be said to be omnipotent, but it is also too complicated to be popularized. At least, current personal computers cannot bear the heavy task of parsing it.

So, on the basis of SGML, we developed a subset containing about 80 tags, which is the HTML you see now.

Among the pages we have seen, HTML that provides structural markup is only one of the basic technologies. If you need to deal with more complex application scenarios, you have to use two other technologies—scripting language and style language. We provide The corresponding solutions are PASCAL_Script and Cascading_Style_Sheets - Cascading Style Sheets, or CSS.

Those who have used the latest version of the Zheru spreadsheet software WordEasy will definitely be impressed by the powerful macro language - PASCAL_Script. Now, this scripting language has a new use - making the original static HTML The page becomes dynamic.

For example, if I log in to the community with my account, I will get a welcome prompt of 'Hello, Tang, what time is it now' on the page. Tang Huan typed the code again, and then reassigned the variable while Said: Now it's Bill Gates who logs into the community, and the content of the page changes accordingly.

Gates, who was sitting in the front row of the stage, smiled and applauded with everyone, and there was an inexplicable light in his eyes.

CSS is responsible for centralized management of elements related to page beautification such as colors, fonts, etc., and can achieve precise positioning. The more complex the page, the more obvious the benefits of CSS, which is a separate management mode from HTML.

Give me an example where Christmas is coming and the page needs to be more festive. If you modify the images, text paragraphs, etc. one by one, it will often be a huge workload. Maybe Christmas is over, and the festive page has not been modified yet.

In fact, as long as you are responsible for the centralized management of the CSS of these elements, you can make a plan for normal time and Christmas, and let the HTML modify the reference to the CSS at that time, and you can easily communicate without overtime.

Going a step further, we can even use PASCAL_Script to monitor the time, and automatically replace the reference to CSS as soon as Christmas arrives, without professional maintenance throughout the process.

In order to design pleasing web pages to attract page views, CSS can be handed over to professional artists, while the code logic of HTML and PASCAL_Script can be handed over to technicians who only see the difference between '0' and '1'.

It has to be said that Tang Huan's comprehensive introduction to HTML, PASCAL_Script and CSS, the troika needed to build WWW web pages, made people who were originally unfathomable about it suddenly feel close, so that their eyes suddenly opened up.

It is entirely foreseeable that with the continuous development of hardware specifications and software technology, HTML will continue to enrich itself, and at the same time, browsers responsible for its interpretation and rendering will also provide further support.

After the sincere and enthusiastic applause, Tang Huan switched the content of the big screen to a schematic diagram, The WWW webpage mentioned just now is constructed by HTML, PASCAL_Script and CSS, and handed over to the browser Polestar on the client side. Quickly parse, render, execute, present,

These data are transmitted over the network by the server in response to the user's request using HyperText_Transfer_——Hypertext Transfer Protocol, or HTTP. This is very clear in the Universal_Resource_Locator——Uniform Resource Locator, or URL, in the Polestar address bar of the browser. manifestation.

This is used to obtain the string address of the webpage. The approximate composition is 'protocol type://server address:port number/path/file name', where the protocol type and port number can be omitted, and the browser Polestar will default to HTTP , because it also supports FTP, so when using non-HTTP, additional marking is required, and users only need to send out the server address in daily use, and the server will push the home page, and then all surfing activities on the Internet will be handed over to One click of the mouse and automatic jumping of hyperlinks.

Non-professional technical groups such as media reporters have shown strong interest in Tang Huan's explanation. The ease of use of WWW can almost pull anyone into the Internet, which is really worthy of special mention.

Banks, insurance companies, and IT executives of various large companies turned their attention to the background part of the schematic diagram on the big screen early, hoping to find information that impresses them.

Soon, Tang Huan gave an answer in this regard.

HTTP is a standard protocol for the client to send a request and the server to respond. The underlying support is the Internet standard protocol TCP/IP, but in fact, other network protocols can also be supported. Therefore, HTTP is not limited to any hardware platform and is applicable to It is suitable for all network environments, and meets the strict requirements of security with the method of encryption protocol.

Next, Tang Huan disclosed more details of the HTTP server for professional technicians.

Zhiru Internet Service ZIS can connect to any SQL database including EBase, as long as the corresponding driver is developed. Of course, ZIS also supports PASCAL_Script to run at a higher security level than browsers, and the functions will naturally be disabled. Not included.

I can foresee that the architecture of a solution like ERP will evolve from two tiers - client and server, to three tiers - client and server, and a middle tier, or even multiple layers, on the WWW. More layers in the middle. This brings great flexibility, ease of maintenance, and allows the hardware to focus on performing the same type of tasks, which can significantly improve performance.

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The people who were attracted by this Zheru Spring Developers Conference initially only praised the friendly and easy-to-use interface of WWW on the personal computer terminals in the San Francisco Municipal Auditorium, but as the technical team headed by Tang Huan , After the theme of the meeting was unfolded one by one, they suddenly found out—God, this is a huge and complicated project.

The media shouted enthusiastically: Tang has painted a new picture for Internet applications, and the economic pulling effect generated by such a great pioneering work will help the United States in the next ten years to greatly shake off the tension. It is no exaggeration to say that in the first year of the 1990s, Tang Huan pointed out the direction for the development of the Internet in his own way. founder.

When the fog of Internet development was cleared away, people of insight were naturally moved after hearing the news. The entrepreneurial heat wave in Silicon Valley almost made people faint.

The greater the interests, the more complicated disputes will be accompanied. Freedom and free are the genes of the Internet and the main driving force behind its development.

Not long after Zheru’s Spring Developers Conference in 1990, an entrepreneurial team announced that they were going to develop a WWW browser to challenge Zheru’s Polaris browser.

More broad-minded analysis, just as personal computers cannot do without operating systems, the Internet will also be inseparable from browsers. This is a new platform competition, and everyone is almost standing on the same starting line-it has not passed the WWW standard. Everyone's philosophy and Confucianism are nothing more than being fully prepared.

Tang Huan's attitude towards this is very magnanimous and very simple - if he is still overthrown under the circumstance of grasping so much initiative, then he has nothing to say, no one is so stupid There is a cure.

However, some layouts still need to be grasped early.

Third-rate companies make products, second-rate companies make brands, and first-rate companies make standards.

Competitors can of course develop browsers to compete with philosophers and scholars, but they must follow Tang Huan's standards, otherwise they will be labeled as incompatible and overwhelm you!

In order to firmly grasp this leadership, Tang Huan set out to form two standardization organizations.

The first one is World_Wide_Web_Consortium——World Wide Web Consortium, referred to as W3C. Its main task is to formulate and maintain standards on the WWW platform and urge application developers and content providers to follow them.

W3C standards are mandatory standards rather than recommended standards. In other words, Tang Huan allows the WWW standard to be free, but he must follow his rules. If competitors deliberately sneak in private goods, I'm sorry, get out!

It's like in the original time and space, Microsoft saw the prospect of JAVA, so it added Visual_J++ to its own programming tool suite Visual_, which performed so well that it even threatened the orthodox JAVA, but a lawyer's letter from Sun Microsystems can force it. Microsoft gave up this effort and turned to compete by launching C#.

Now, Tang Huan is going to ensure that the standards of the same track and the same book are unified under the awe-inspiring righteousness of free. This is already his forte, and it can be said that he is very familiar with the arrangement. (To be continued.)