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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...
Introduction : XML stands for (Extensible Markup Language)which is a simplified subset of the Standard Generalized Markup Language (SGML) which provides a file format for representing data, a schema for describing data structure, and a mechanism for extending and annotating HTML with semantic...
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...
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...
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...
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,...
"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...
All of us have often encountered a "human" validation on various sites known as CAPTCHA, these are intended for bots - automatic programs - which crawl through websites and make comments, fill up contact forms etc. with the intention of marketing products, gaining backlinks, etc. The general...
URL Encoding also known as Percent-encoding is the way to encode data passed in an URI (Uniform Resource Identifier), this system is used to convert special characters to hex form prefixed with a % sign, and prevents broken URLs. An encoded URL will look like the following: ...
Sphinx (acronym for SQL Phrase Index) is a full-text search engine, it runs as a daemon and serves to requests of client applications. Client applications need to access Sphinx daemon via the native SphinxAPI, for which libraries are available in almost all popular languages like PHP, Perl, Ruby,...
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...
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...
Top 10 Reasons to Use Mozilla Firefox 1. Tabbed Browsing 2. In-Built popup blocker 3. Easy to be installed plugins 4. In built google and many other Search Engines can be added at will 5. Faster and much more secured 6. Agent switcher possibility 7. Post data does...
There has been lots of web developer arguing about the fact as which one is faster Database or Files. I always replied in most cases as database is faster than Flat file and After getting that reply they always argued as why do you think that database is faster. I explained them with lots of words...
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...
Just thought I would share my bad experience with my current Host GoDaddy and hosting of Go4Expert so that its helpful to others and don't experience the same. Also it helps when they have some hosting related issues and they don't get to the GoDaddy but find some one else. As we just out grown...
The first of its kind Web Technology Conference on Open Source Technology, WebOSS '07 was being organised in Kolkata today and spoke at the event as one of the participants and thought I will share my presentation here. As download requires you to register at the forum I am sharing the content of...
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...
We will use Amazon Linux AMI an the instructions are according to Amazon Linux AMI but I don't think they would vary too much for other Linux kernels. Step 1: Getting EC2 Instance Up and Running First Get Started With Amazon EC2 Instance and then Launch your Amazon EC2 Instance. Next is to...
For many new webmaster this is probably one of the most daunting tasks they'll need to do. Mainly because you're not used to the UNIX environment, but also because you have to edit some perl scripts to make the script work. Here are the basic things you need to install CGI-Scripts. You need a...