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 is Exchange? Exchange is Microsoft’s entry into the email/groupware server space. It makes it easy for users to communicate and collaborate over the Internet and/or Intranet using a variety of clients on various desktop operating systems.
What is Exchange Hosting? Exchange Hosting is available for customers who have a need for the features available from Microsoft Exchange, but do not have the facilities and/or expertise required to host the system themselves. By subscribing with an Exchange Host provider, the customer can take advantage of all of the benefits of Exchange, without the additional hassle that is involved in maintaining such a system.
Who needs Exchange Hosting? Organizations with a need for robust email and collaboration can benefit greatly by using for using the features of Microsoft Exchange within their business. Smaller companies that do not have the IT staff, or the facilities to create and maintain an Exchange network are perfect candidates for working with an Exchange host provider.
Is there a need to have my own dedicated Exchange Server? That would depend on the your particular usage of the server. Normally, an Exchange hosting provider will set up several Exchange accounts for several companies on the same box, similar to shared web hosting. Customers with higher volume requirements, or who wish to be segregated from the other customers can opt for a dedicated Exchange server. This is nominally more expensive than shared Exchange hosting, but does have its obvious advantages. A dedicated Exchange server is usually suggested for any Exchange hosting account that exceeds 100 users.
What features are available to me when I use Exchange Hosting? These features depend greatly on the hosting provider. Firstly, all of the functionality of Microsoft Outlook is immediately shared between your users. Calendars, Files, Folders, Tasks, Contact Lists, Address Books all become integrated and sharable among all users of Exchange. Advanced features such as Virus Scanning and Instant Message can normally be made available at an additional price.
What requirements do I need to meet for Exchange Hosting? In order to be a candidate for Exchange hosting, you need to have Internet connection(s) capable of supporting the required traffic, and the appropriate client software (Microsoft Outlook) and licenses for all users who will be using the services of the Exchange server.
What type of Internet connection is needed to support hosted Exchange? Your connection to the Internet is critical for any hosted Exchange service. The reason for this is that your collaboration client (Microsoft Outlook) connects and shares your information with the Exchange server, as well as retrieve updates in regards to all other users who also use the server. In essence, the more users your firm has using outlook, the more Internet bandwidth that is required to use it efficiently. One of the keys is the available upload bandwidth available. For example, many cable and telephone company DSL lines only offer 128K upload speeds. The chart below shows recommended line speeds.
Can Exchange automatically scan for viruses? Virus scanning is available for all messages running through Microsoft Exchange, as an add-on product. Due to the additional expense, most Exchange hosts will charge an additional fee for providing this service to the mailboxes on your account. Some anti-virus add-ons also have facilities for automatic SPAM recognition and filtering.
Bandwidth - Bandwidth has a general meaning of how much information can be carried in a given time period (usually a second) over a wired or wireless communications link.
Collaboration – The idea of employees working together in a joint intellectual effort. This is usually achieved by using tools that allows the employees to share information dynamically between one another to boost performance and productivity.
DSL - DSL (Digital Subscriber Line) is a technology for bringing high-bandwidth information to homes and small businesses over ordinary copper telephone lines.
Groupware - Groupware refers to programs that help people work together collectively while located remotely from each other. Groupware services can include the sharing of calendars, collective writing, e-mail handling, shared database access, electronic meetings with each person able to see and display information to others, and other activities.
SPAM - Spam is unsolicited e-mail on the Internet. From the sender's point-of-view, it's a form of bulk mail, often to a list culled from subscribers to a Usenet discussion group or obtained by companies that specialize in creating e-mail distribution lists. To the receiver, it usually seems like junk e-mail. In general, it's not considered good netiquette to send Spam. It's generally equivalent to unsolicited phone marketing calls except that the user pays for part of the message since everyone shares the cost of maintaining the Internet.
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