Web Development Tutorials

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JSP Web Development Tutorials and Articles
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SSL stands for secure socket layer. SSL Certificate is necessary to protect your ecommerce website. However, there are various types of SSL certificates available and you need to choose which one is good for you. Domain validation SSL Certificate is very fast in issuing. You can be owner of...
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RSS or Remote Site Syndication is an excellent marketing tool of the new Internet age which is basically syndicating content from another site. Websites have become very sophisticated and the demand for quality content is systematically increasing. Consumers have become very demanding in terms...
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Many webmasters when they create new websites they tend to do it for the sole purpose of making great money and they assume this can be done by just applying for any ad network and specially Google adsense and then see that no good revenue is coming from the ads and then they tend to click there...
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What is crontab? Actually it is called 'cron daemon'. Cron is an automatic task machine. You will use it on your Unix or Linux operating systems for doing some tasks at specific intervals with out your intervention every time. You set the clock and forget. The cron daemon runs the work for you....
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SMTP stands for Simple Mail Transfer Protocol as the name suggest it is basically used for emails.. SMTP specified for outgoing mail uses and default sits on TCP Port 25..(Uses 587 in new versions) Electronic mail servers uses SMTP for send and receive emails while the User Client interface only...
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Whois records show who is responsible for a domain name and other key information. In addition to the owner and contacts for a domain, WhoIs records show the domain name's status. Each domain record has at least one status code but multiple statuses are permissible. Status codes are useful to...
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Introduction A really cool feature that web designers overlook is the use of the .htaccess file. Simply put, whenever you see a custom error page (404, 403, etc.), use server side includes, restrict IPs, load a default page, or do any host of events invisible to the user, you are probably going...
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I have been on many forums ( specially Digitalpoint ) and seen many people pay some bucks to get success tips on Adsense which kills the concept of forum and free knowledge. With this in mind, I thought it would be nice to have all the best tips that I have read / experimented over time and again...
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"I don't have access to internet in office, how will I read my best friend's blog?", "I want to covert a MS-Word file to PDF, the systems guy won't let me install a PDF printer", "How do I upload my office party pics on the intranet gallery to Flickr from office?", do these statements sound...
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Apache is the number one Web server running on Linux systems. There are a number of little things that can be done to tune Apache performance and to lessen its impact on system resources. One of these things is tweaking the memory usage, which can be a difficult thing to profile. For instance,...
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Introduction There's been a lot of publicity about pop-up windows, and most of it hasn't exactly been rave reviews. But it hasn't always been this way. In fact, pop-up windows were a positive component in the beginning. Created long before tabbed browsers, their purpose was to present...
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There are now several code obfuscation tools which will not really comprehensively "obscure" source code but somehow retrievably "crunch" it. This is not ideal but it is worthwhile nonetheless as it makes source sifting slow and painful for script kiddies/crackers. There are white space removers,...
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SSH is the descendant of rsh and rlogin, which are non-encrypted programs for remote shell logins. Rsh and rlogin, like telnet, have a long lineage but now are outdated and insecure. However, these programs evolved a surprising number of nifty features over two decades of UNIX development, and the...
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The Apache web server has a number of configuration options that are available to the server administrator. In a shared hosting environment, you don't have access to the main Apache configuration so you're stuck with the default configuration. However, it is possible to override some of the default...
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If a webserver return "HTTP/1.x 404 Document Not Found" (or any other HTTP error), MSIE will display it's built in error message (which we all are quite acquainted to), not the custom error page if its smaller than 513 bytes. When you access Web pages from Internet Explorer 5.x and Internet...
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Introduction The Wireless Markup Language (WML) is the HTML of WAP browsers and is transmitted via the HTTP protocol. WML is a markup language built specifically for communicating across WAP-based networks, and is based upon XML (eXtensible Markup Language). Like HDML, it is at first...
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What is a cookie? Sometimes it becomes necessary to track certain user details like (No. Of Visits, names, last visit, etc). The client machine stores such information and sends it to the web server whenever there is a request. Cookies data are sent along with the HTTP headers. You can look at...
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Errors on the Internet, and those annoying error messages, occur quite frequently -- and can be quite frustrating, especially if you do not know the difference between a 404 error and a 502 error. Many times they have more to do with the Web servers you're trying to access rather than something...
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Introduction RSS is one the hottest technologies at the moment, and even big web publishers (such as the New York Times) are getting into RSS as well. However, there are still a lot of websites that do not have RSS feeds. If you still want to be able to check those websites in your favourite...
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