We're back with this month's edition of Go4Expert's Newsletter. We hope you enjoy it and pass on the word to your buddies. As always, we'd love to know what you would like to see in upcoming newsletters and we welcome you to submit your feedback.
Prevent Spam Using Invisible CAPTCHA
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...
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Download a file using URLDownloadToFile C function
In this article I would want to show you how to download a file from internet using *URLDownloadToFile* function in C language. I think everybody has ever experienced the downloading a file with Internet Explorer. IE is using directly this...
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oursql: The Best Python Module for MySQL Access
In a previous article Access MySQL Databases in Python few months back, in that I had discussed using MySQLdb python module to access MySQL in Python scripts, though that being easy & good lacked many important features like...
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AJAX Basics
It is highly recommended that you are familiar with *HTML* and *JavaScript* before reading tutorial. Notice that this article is only glimpse on this topic, it barely covers all the AJAX features and stuff.
This tutorial will show you how 'Ajax' works and how to use it from a web developer's...
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Working With SQLite Database in Python
*SQLite* is a very small RDBMS, unlike other popular RDBMS it does not have a client/server model, data is stored in a file. SQLite is very portable, and very popular for creating prototype systems before actual work is started. Here, we'll see how to access & modify SQLite database in Python....
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Starting CGI Programming in Python
CGI or Common Gateway Interface allow servers, primarily HTTP servers, to interface with external programs like Python, Perl, Ruby scripts or even binary programs written in C/C++. The most popular & most used web server - Apache - can easily be configured for CGI scripts. Let's look at...
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How To Encode URI Data In Popular Languages
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:
...
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Access Users' Geo-Location with HTML5
Nowadays location-aware applications are everywhere, with advent of HTML5 and support for it all major web browsers it has become very easy to grab a user's Geo-location and use it to display customized content or display a map or whatever you can imagine to do with it.
Earlier IP was the only...
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Ubercool HTML5 Forms
The latest version of HTML, viz. HTML5 brings in a lot of improvements & new feautres, and amongst those is the important one - form elements. HTML5 help you provide a rich user experience and layout with these new form elements.
Although HTML5 is far from being useful to the mass and only the...
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Access Mails Through POP3 in Python
Post Office Protocal version 3 (POP3) is protocol of the TCP/IP stack's application layer, used to fetch email from remote mail servers. POP is one of the most used protocols for email retrieval, other one being IMAP. Virtually every email application, be it in the desktop or mobile supports the...
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Accessing EMail Using IMAP In Python
Internet Message Access Protocol better known as IMAP is one of the most popular & widely used protocols for accessing emails from remote servers, the other one being POP (Post Office Protocol), and almost all modern email clients support both these protocols.
IMAP works on TCP/IP stack, and...
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Client Side Sorting With JavaScript
JavaScript, the most popular & most used client-side scripting language on the internet is really powerful in creating rich user experience by itself. One of the best example of JavaScript excellence is the jQuery library which has helped developers all over the world to build the business...
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