ColdFusion: With ColdFusion, you can build and deploy powerful web applications and services with far less training time and fewer lines of code than ASP, PHP, and JSP. Version 7.0 introduces powerful new application services including rich Flash forms generation, structured reports, and dynamic generation of printable documents. Coupled with version 6.1’s simplified installation and migration, updated key features, and increased in runtime performance, these features open up a new world of applications beyond the browser.
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What is ColdFusion?
ColdFusion is a program based on the CFMX programming language that builds and deploys powerful web applications and services. With proven tag-based methodology, ColdFusion’s features allow web developers to easily harness the power of the Java Platform to deliver powerful Internet applications to millions of people worldwide. ColdFusion is a server side language, which is executed by a ColdFusion application server. It works by executing CFM templates (which is a mixture of HTML and ColdFusion instructions) to return normal HTML to the requesting browser. The ColdFusion MX Enterprise software suite provides all the necessary software to create large-scale websites, applications, and hosting environments, and is available for either a stand-alone installation for web developers or for industry-level deployment on J2EE application servers.
The true power of ColdFusion Markup Language (CFML)
The core functionality of ColdFusion Markup Language (CFML) is centered on the use of tags. These server scripting tags give ColdFusion its speedy development applications for the web. CFML is quite simple to learn, but is powerful enough to handle even the most complex and demanding web applications. Processed entirely on the server, CFML uses syntax closely resembling that of HTML and XML. CFML consists of two primary language elements: tags and functions. Tags let you perform operations such as accessing a database. Functions can return data and do other operations like retrieving the system date. Tags, functions and operators make up expressions. Building expressions in ColdFusion is easy and can include simple as well as complex elements. The ways in which these expressions and elements are used determine how ColdFusion processes your program.
Is ColdFusion easy to learn?
Out of the many different methods used to develop and build web applications, pages, and services, ColdFusion is by far the easiest to learn and use. For ColdFusion 7.0, Macromedia has created a helpful ‘Getting Started Experience’ interface that gives the new user access to tutorials, whitepapers, topic index, and even two sample applications to play with.
There is no other language or product as well suited to web developers as ColdFusion. Easy-to-use visual tools and an intuitive server scripting environment allow new users to easily pick up the CFML language.
Windows, UNIX, or Linux…which Should I Use To Run My Website?
Macromedia ColdFusion MX supports most operating systems including Windows, Unix, Linux, IBM AIX and HP-UX. Below is a list of operating system versions and system requirements for the latest ColdFusion version:
Windows OS Intel Pentium processor or higher 256 MB RAM but 512 MB is highly recommended 400 MB of hard disk space available Works on MS Windows 98 / ME / NT 4 / SP6A / 2000 /SP3 / XP/ 2003
Linux OS Intel Pentium processor or higher 256 MB RAM but 512 MB is highly recommended 400 MB of hard disk space available Red Hat Linux 7.2 / 7.3 / 8.0 / 9 / AS & ES 2.1 / AS & ES 3.0 SuSE Linux 7.2 / 7.3 / or 8X Turbo Linux 8 Server ( Japanese Only)
Unix SPARC, PA-RISC 1.1 / 2.0 / Power 3 processor Sun Solaris 7 / 8 / 9 256 MB RAM but 512 MB is highly recommended 400 MB of hard disk space available HP-UX 11i IBM AIX 5L 4.3 / 3 / 5.1 / 5.2 Apple Mac OS X
What Databases and Web Servers are supported with ColdFusion?
ColdFusion MX supports most major databases including Microsoft SQL, Microsoft SQL Server, Oracle, IBM DB2, Sybase and IBM Informix. In addition, CFMX can run on most major web servers including IIS, Apache and Sun One.
What are the differences between the ColdFusion 7.0 editions?
Standard Edition: This edition is for single web application or small workgroup environments. It builds accessible, high-quality rich forms, transforms existing HTML content into PDF or FlashPaper 2 formats, creates structured business reports for workgroup applications, delivers charts and graphs, and increases text searching capabilities.
Enterprise Edition: This edition is ideal for the quickly growing business. It includes all the features of the Standard Edition as well as scalability, performance, and enterprise management capabilities for larger web and business applications. The Enterprise Edition has multi-instance deployment and management, clustering, high-speed enterprise database drivers, server security J2EE packaging and deployment, and high-performance e-mail delivery. Yet the most anticipated feature of this edition is the event gateway, which enables ColdFusion applications to connect to mobile phones and instant messaging.
How does ColdFusion run on application servers?
The ColdFusion MX runtime environment is actually a Java application that takes advantage of the many powerful services in the J2EE platform. What this J2EE platform does is connects the various databases, manages its own security, as well as processes the requests sent in by the application itself. When ColdFusion MX is installed in the J2EE configuration, the compiled infrastructure will be on top of the application server in order to execute the language’s applications. This configuration will allow developers to cultivate and set out pages, as well as manage the MX server settings using the ColdFusion Administrator.
What are the advantages & disadvantages of using custom tags in ColdFusion?
Using custom tags within ColdFusion has its advantages and disadvantages. Custom tags written in CFML primarily try to achieve a simple balance between three aspects; taking argument statements, having body tags begin and end with the appropriate tag, and ensuring proper processing when a beginning tag is encountered by the ColdFusion program. If designed properly, these custom tags will also be able to be called recursively (meaning that it will have the functionality to call itself within the body tag). Although a custom tag in ColdFusion will call a page included the CFinclude tag, the disadvantage is that the code must be recursive, have developed complex functionality, and must be convenient for others (although often times code is not convenient). If creating either a User Defined Function (UDF) or a custom CFML tag, weigh the options carefully, since invoking a UDF requires less system overhead than using a custom tag.
What are the new features for ColdFusion 7.0?
ColdFusion 7.0 brings a whole new level of features to developers. With better web application creation, new server management and deployment options, and a new class of applications, users are able to quickly create powerful Internet applications without spending a lot of time or money.
Macromedia developed the new features to help web developers be more efficient in performing routine tasks such as structured business reporting, Flash-rich forms, and PDF and FlashPaper 2 document generation. ColdFusion Report Builder, a tool that helps users develop detailed business reports, will create sub reports, charts and graphs, automatically generate subtotals, and much more. ColdFusion 7.0 simplifies the form building process with the new Rich Flash and XML Forms capabilities. The new CFDOCUMENT feature eliminates chopping page printing with a single tag that transforms web pages into PDF or FlashPaper 2 formats.
How do I purchase my own copy of ColdFusion?
The ColdFusion MX suite is available directly from Macromedia, local computer software resellers, licensing programs and some web hosts.
What Effect Will Windows 2003 Have On The Hosting Industry?
As announced by Microsoft on April 24, 2003, Windows 2003 Server is now generally available. This means hosting companies will be starting to offer the Windows 2003 operating system as an option to their clients.
Digex said, in a press release on April 24, 2003, that they would have “immediate availability of Microsoft Windows Server 2003 within the Digex Managed Platforms service line.” Other hosting companies that were contacted have not been so quick to give a time when they would have a Windows 2003 package available.
It is yet to be determined if security concerns over the operating system are the reasons behind no official release date being given for new servers using the new operating system or not. There is no doubt that everyone has questions about the security of the new software release.
Last year alone, there were many different viruses and worms that propagated though Microsoft’s operating system, causing millions of dollars worth of damage, including Nimda and Code Red. Everyone in the computer industry is now wondering if Microsoft has gotten the security right.
Microsoft has said that Windows 2003 Server is shipped secure. The reason the product is said to be secure by Microsoft officials is because in default configuration IIS (Internet Information Server) is disabled. Web hosting companies will have to turn on the web server to serve web pages for their clients. The big question is if the software will still be secure once the web server is turned on.
Security might be on every ones mind but hosting companies are also looking for the cost savings promised by Microsoft.
Microsoft has announced a new Web Edition with the release of the Windows 2003 Server. There are no Client Access Licenses (CALs) and the cost is significantly less at a price of $399. The price tag for the Standard Edition is $999, which is the same as it is for Windows 2000, says Microsoft’s Windows 2000 site. With a $600 dollar per server savings, the hosting industry will start seeing more competitors in the budget-hosting segment with servers running on Windows 2003 Server; a segment now only containing a handful of Windows hosts.
Servers running open source operating systems like FreeBSD and Linux currently fill the budget hosts segment of the market. Microsoft has seen this as an issue for a while now and is expecting the addition of the Web Edition to allow more budget hosting packages on the Microsoft operating system.
The trend for non-Windows based hosting companies to start deploying services based on the Web Edition of the Windows 2003 Server has already started thanks to Microsoft’s new licensing and pricing structure. One such company to announce plans to start selling servers with Windows Web Edition is RackShack.net.
RackShack.net has been a RedHat Linux and Cobalt Raq shop since they were started but they have posted on their site that they would be releasing, on May 1, 2003, prices for systems with “Windows Web Edition powered by Ensim.” While requests for comments sent to RackShack.net were unanswered in time for publication, posts on their users forum have said the cost of the Windows operating system was the reason behind them not having Windows dedicated servers in the past.
The real test for Windows 2003 Server will be if developers will want to rush to it or not. Microsoft said they have made some major stability changes to IIS 6.0, which ships with Windows 2003 Server.
The developers that were contacted to see if they were rushing to get their hands on Windows 2003 Server did not have definitive answers. One developer said “I have not had much time to even look at the differences so I cannot give an answer to that question.”
One thing is for sure; Microsoft has released its Web Edition of the server to compete against the open source alternatives. Now Microsoft just has to hope developers will bite at the chance to get hosting for about the same cost as the open source alternatives.
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