Archive for February 9th, 2010
Commands In Programming Languages: The EVAL Command In JavaScript
Commands In Programming Languages: The EVAL Command In JavaScript
In computer programming command refers to an instruction to the computer to perform a specific task. Every program interacting with a human programmer responds to set of commands. The procedure of entering a set of commands and the syntax is called user interface. There are different forms of commands. For example programmer inputs special keywords for the program to understand. The keywords work as commands. Another example of a command is the graphics object on the screen. A web page development expert adds various buttons or graphical objects on the screen for users to click on it thus triggering an action.
The term command is specially used in imperative computer languages. Programming languages like JavaScript use special commands. JavaScript is mainly designed for web pages that describe procedure and data in terms of methods objects and properties unlike other languages which generally use statements variables and routines. Many website development services use JavaScript as it enhances the interactive features and dynamics of web pages.
One of the most powerful commands in JavaScript is the EVAL command. Its uses are very powerful in webbased applications. The JavaScript EVAL command can be very powerful as it reduces code and creates an easy interaction with data. Custom web development programmers specializing in JavaScript know the true features of this command. The common syntax used is EVAL 40; stringgt;41;.
The EVAL command allows you to create and execute JavaScript dynamically. The main benefit of this command is that it reduces the number of lines in a block of code. Without it developers find it very difficult to execute JavaScript.
With the EVAL command can work with data not known at load time example: a user entered data. It takes any string provided by programmers and executes it by returning a result if applicable. Programmers in websites development firm use this command in a variety of activities. For example a list of field names can be reduced to a simple array and loop using the EVAL command.
About the writer:nbsp;nbsp;I am the webmaster at www.synapseconsultants.com a website development services company offering numerous services such as content management offshore software development online marketing search engine optimization search marketing and website maintenance services.
Best Anti-spam Software
Best Anti-spam Software
Companies spend billions of dollars each year combating spam. Billions more is spent with the loss of productivity having to purchase additional equipment software and man hours filtering through unwanted spam and fixing problems directly related from spam. Direct effects of spam are the consumption of network and computer resources data and intellectual property theft identity theft infection from virus and malware infection and more.
When most people think of spam they are thinking of the unsolicited emails sitting in their inbox that is time consuming to clean up. However there are many more different types of spam; instant messaging spam chat spam newsgroup and forum spam even cell phone spam blogs and guestbook spam video sharing spam video gaming spam mail bombing and noncommercial spam. Email and Internet spam is frustrating and sometimes embarrassing when pornography pops up in front of grandma.
Why would someone want to send out so many annoying messages or popups and what is the benefit for a spammer? A spammer expects total profit and if even only small percentages of people respond or make a purchase from the spam message the spammer stands to make a bunch of money. Other noncommercial spammers are criminals seeking banking information committing fraud and have even lured people to their own kidnappings and murders. Competitors might use spam as a denial of service to your website to flood the viewer of your website with a ton of popups and make it impossible to view the site. This is another malicious way spammers attack.
So what can you do to protect your email and be able to surf the Internet without the unwanted popups and phishing sites stealing your information? There are two solutions; Mozilla Firefox for your web browser and AntiSpam Software for your email. These two solutions will provide the protection you need without having to worry anymore.
Having a positive Internet and email experience is what everyone wants. Mozilla wants this for everyone too. Mozilla is a nonprofit organization who is dedicated to making your online experience incredible. They offer their web browser Firefox free of charge. Firefox is available to all Windows Mac and Linux platforms in over 35 different languages. This web browser has integrated protection from spam popups and phishing protection that tells you when you have accessed a website that is looking for information.
Mozilla Firefox is the leading web browser because they care about what the user wants. This browser allows you to personalize it the way you want it. Firefox includes a spell checker and search engine suggestions. It also includes a session restore so when you lose your Internet connection and have to sign online again Firefox will take you back to the exact webpage from where your session terminated. That way you dont have to spend hours finding where you were before. Firefox even has accessibility features that integrate with Microsofts accessibility features in Windows for people with physical impairments to easily surf the web without having too many keystrokes to get to the site they want.
The best quality of Mozillas Firefox is the protection. Unlike Internet Explorer Firefox has a button to clear private data so the browser doesnt keep personal information. It also automatically updates itself. This is much better than having to go to Microsofts website to install the latest security updates and patches.
AntiSpam Software can be found at www.antispampage.com. This useful tool provides the email protection you need with a userfriendly interface which makes it simple to setup. Antispam software is learning software. This means you teach it what is spam and what is not. Eventually you will not be receiving anymore spam in your inbox. This software will block incoming spam before it even reaches your inbox and automatically delete malicious viruses. Antispam is compatible with Windows platforms 98 ME 2000 and XP. 24hour technical support is provided and 100 satisfaction or you are entitled to a full refund. Millions of users worldwide are using Antispam software and they couldnt be happier.
Dont allow unwanted spam popups and phishing sites ruin your computing experience. Using a smart web browser like Mozilla Firefox and Antispam Software are the best ingredient for total protection on your computer.
Putting the axe to spam viruses malware and other unwanted annoyances are only a couple steps away if you have the right tools. But until then you join millions of others fighting a losing war.
About the writer: Kirk Pomerleau is a computer enthusiast spending many years as a PC Technician and now has an interest in internet security.
