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HAProxy stands for High Availability Proxy, is an open-source TCP/HTTP load balancer. In case you are new to the idea of a load balancer, the work of a load balancer is to distribute incoming requests to an array of upstream servers so as no single upstream server is overworked/overloaded by...
By pradeep
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SPF or Sender Policy Framework is a system created to prevent e-mail spam & e-mail spoofing. It does so by verifying the sender's IP address is a authorized one for the domain the mail is originating from. SPF requires domain admins to add DNS TXT or SPF records specifying hosts/IPs allowed to...
By pradeep
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Analytics and its tools have been very well received by bigger corporations in the recent past. This technical term has gained a lot of importance in the technology world. Corporations such as Google, Facebook are investing heavily to create a unique platform to do big data analysis. This analysis...
By coderzone
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I have tried introducing people to Git VCS, both personally and through by articles at G4E, I have written 2 articles, Introduction to Git VCS & Git VCS - Cloning & Workflow, in this article
Get A List Of Files Modified Between Two Commits
At times working on a feature or an enhancement of an...
By pradeep
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Instead of defining what is design pattern lets define what we mean by design and what we mean by pattern. According to me design is blue print or sketch of something so it can be defined as creation of something in mind. Moving to pattern, we can define it as guideline, or something that repeats....
By shabbir
Last Message By xpertprogrammer
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Git is popular distributed version control system, it was developed by inventor of Linux, Linus Torvalds. Git has been gaining huge popularity in the ope-source community as well as in the corporate world due to it's distributed nature and efficiency.
I had a written a few articles on Git to...
By pradeep
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Introduction
The Transmission Control Protocol / Internet Protocol (TCP/IP) is a nonproprietary, routable network protocol suite that enables computers to communicate over all types of networks. TCP/IP is the native protocol of the Internet and is required for Internet Connectivity. The...
By techgeek.in
Last Message By jipsi01
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DKIM stands for DomainKeys Identified Mail, it helps associate a domain with an email message to help prove the authenticity of the message. DKIM is a successor of DomainKeys developed by Yahoo!, it was deprecated in 2007 but some providers still use it. DKIM was created by an informal group and...
By pradeep
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A Server is a computer or device on a network that manages network resources. For example, a file server is a computer and storage device dedicated to storing files Any user on the network can store files on the server. A print server is a computer that manages one or more printers and a network...
By pradeep
Last Message By av3lard
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OOP
OOP is the abbreviation for Object orientated programming. OOP is a paradigm which defines the way a developer structures software into objects. Because such objects often correlate to real existing articles or procedures, it is often easier to read and less complicated to manage
A type...
By Sanskruti
Last Message By Ajay12
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Introduction and background
Computer viruses tend to grab our attention. On the one hand, viruses show us how vulnerable we are. A properly engineered virus can have an amazing effect on the worldwide Internet. On the other hand, they show how sophisticated and interconnected human beings have...
By pradeep
Last Message By Harika
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Lossless Encoding is a method of encoding that allows no loss of data while converting to and from encoded data to normal data.
Lossless Audio Encoding
Q: Why special encoding methods for audio?
A : Lossless encoding is not only done in audio, video etc. We actually have a ton of genric...
By lionaneesh
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It might happen that your hard disk died on you, or the DVD backup you had does not read correctly. Generally, CD & DVD media retain data correctly for a few years (or more, depending on the quality of the media), after which data loss starts slowly with read errors increasing from the outer tracks...
By pradeep
Last Message By jasbir712
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Introduction
The way we make phone calls is changing. In fact in many circumstances things have already changed. Take long distance calls for instance, many service providers are already using a technology called Voice Over IP or VOIP for short. If you have never heard of VOIP before, then the...
By pradeep
Last Message By mike_12
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Memcached is a free & open-source, robust, fast & distributed memory object caching system. Memcached was originally developed by Brad Fitzpatrick for LiveJournal in 2003. Since then it has gone a long way and today top websites like Youtube, Facebook & Twitter use memcached.
Memcached works on...
By pradeep
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After Introduction to Git VCS, this is the second installment in the series, here we'll be see how to setup a workflow, copying repositories & maintaining a central repository to help developers/contributors collaborate.
Cloning
In most of the other version control systems, checking out is a...
By pradeep
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Amazon SQS (Simple Queue Service) is yet another amazing product from Amazon, which provides a reliable, easy & highly scalable hosted queue service for storing messages, which can be accessed by any computer on any network. This provides a way to simply move around messages between computers or...
By pradeep
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All software developers must have used some VCS (Version Control System) at a point of their career, most would say SVN, which is currently the widely used VCS in the software industry. Enter Git, created by Linus Torvalds in response to missing features & performance issues in the other VCSs,...
By pradeep
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Are You Invisible Online?
It's true that your IP address is no secret. It's a basic part of internet communication protocols to send your IP address whenever you connect to another site, request a web page, chat, play an online game, etc. Without your IP address, the computer on the other...
By pradeep
Last Message By Trimegisto
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In the early days of computers, memories were small & expensive. In those days the programmer spent a lot of time trying to squeeze programs into the tiny memory. Often it was necessary to use an algorithm that ran a great deal slower than another, better algorithm simply because the better...
By pankaj.sea
Last Message By Trimegisto
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