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Développement Web
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Javascript Basique
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Framework JQuery
  1. Introduction au Framework jQuery
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  1. Introduction au langage PHP
  2. Premier programme php
  3. Variables et Fonctions php
  4. Opérateurs arithmétiques et logiques
  5. Les structures de contrôle en php
  6. Les tableaux en php
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  10. Colorisation syntaxique en php
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  16. La librairie php_gd2 des images
  17. Lecture d’un fichier xml en php
  18. Les expressions régulières en php
  19. Moteurs de template php : smarty et fast temp…
  1. Introduction au Framework PHP Laravel
  • Installation Laravel 8 & premier projet
    1. Langage MySql
    2. Introduction au langage MySql
    3. Installation du Serveur MySql
    4. Manipulation des bases de donnée MySql
    5. Manipulation desTables MySql
    6. Insértion de données MySql
    1. Installation Wordpress
    2. Modification du theme Wordpress
    3. Installation d'un plugin
    4. Gestion des catégories
    5. Gestion des articles
    6. Gestion des menus Wordpress
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    1. Introduction à Joomla
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    Computers Hardware



    By: Jim Edwards


    Everywhere you turn phone companies offer 3 or 5-cent long distance phone calls, or even unlimited long distance for a flat fee monthly.


    Now you can make reliable calls using the Internet for anywhere from 0 to 2.3-cents per minute.


    Welcome to Skype, the Internet telephony company that has set the traditional telephone world on its ear.


    Recently purchased by Ebay for 2.6 billion dollars, Skype stands ready to revolutionize worldwide voice communication simply because they enable you to carry on crystal clear voice communication with anyone else in the world with a either a phone or Internet connection.


    What's the catch you ask?

    Well, to make phone calls, you need a computer, a microphone, speakers, a modem, an Internet connection and the free Skype software you can download from www.skype.com


    To make a free phone call, you need someone on the receiving end with a computer, Internet connection, and the Skype software installed.


    To make a call from your computer to a land-based phone virtually anywhere in the world, you must pre-pay for calling minutes in blocks of 10 Euros (approximately $12 U.S.).


    One block of calling minutes gets you about 500 minutes of calling time, or a little over 8 hours of talking time.


    Skype uses a technology called IP telephony.


    IP telephony first appeared commercially back in the lat 1990's with services like Dialpad.com, which initially offered phone calls from computers to land-based phones in exchange for watching online advertising.


    This model soon failed, but the thought of making ultra-cheap phone calls through a computer did not.


    And, as the recent mega sale of Skype reveals, a market now exists that can put Internet telephony to work on a grand scale, or at least large enough to make eBay pony up with a lot of cash and stock to give it a try.


    Once you install the software, you log onto the service and can make phone calls to other Skype users through their computers at no charge.


    You can set up a call list, much like an instant messaging "buddy list" so with a couple clicks of the mouse you can ring your friends up for a chat.


    Or, if you pre-pay for calling minutes, you can enter in the country code and phone number of your pals, click a button, and their phone or cell phone will ring.


    Skype also allows you to hold conference calls with up to 4 other people at the same time, making it easy to hold group meetings.


    Skype includes a group chat feature which allows you to hold a group chat session with up to 48 other people at the same time... excellent for "webinars" or even planning that next family reunion.


    Skype also allows you to transfer files to and from other users, perfect for sharing photos, music and short video clips with your pals.


    Tip: Get a good headset microphone.


    It makes using the service more enjoyable and also eliminates the echo created by your own speakers feeding back into your PC's microphone.


    Author Bio

    Jim Edwards is a syndicated newspaper columnist and co-author of an amazing program that teaches you how to use free articles to quickly drive thousands of targeted visitors to your website, affiliate links, or blogs... without spending a dime on advertising! www.turnwordsintotraffic.com


    Article Source: http://www.ArticleGeek.com - Free Website Content


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    By: Donald Lee


    When you think trash, you surely don't think about your old, trusty personal computer. But that's exactly what will become of it when you make the inevitable move toward your next laptop or desktop. And, yes, buying a new computer is inevitable, considering the pace at which computer technology zips along. Just think-about a handful of years ago, a fast microprocessor for a laptop was at 233 MHz. Now you're looking at about at least 2 GHz! That's Giga, with a G.

    So eventually, you will want a computer that can handle the latest software, the latest games, and the latest interactive Web sites, and then you'll have to throw away your old computer, right? Wrong. Try selling your used computer instead. Throwing out your computer is one of the worst things you can do. For one, your computer may be useful for someone out there, even if just for scraps.

    Trashed computers and other digital equipment also make up one of the fastest growing, and most dangerous, new trash "categories" out there in your neighborhood landfill. On one hand, computers are generally bulky and made of plastic and other materials that won't be breaking down in a landfill for the next few million years. What's more, other materials in your old computer are highly toxic to the environment, like mercury, lead and cadmium. They're so toxic that their actually name in the waste-management field is "toxics."

    You don't have to be a techie or a scientist to understand the danger in that-nor the benefits of selling your computer. On the Internet, there are a vast number of auction and classifieds sites, some better than others, where you can "download" you computer to a worthy buyer.

    Before you boot up your replacement laptop or high-performance PC, however, be sure you read and compute the following tips. These tips will help you avoid the crashes and shutdowns that befall the computer seller who doesn't do his homework first.

    Hold onto all of the operating system and software manuals that came with your old computer. This will add value to your sale, not to mention it will make you a trusted seller for offering up these helpful books to the buyer.

    Erase all personal information from the hard drive. And we're not just talking about simply putting stuff in the "trash bin." It's extremely important to purge all data from your computer's memory repository, even from invisible backup files on the hard drive. If you're not sure how to do this, ask your IT expert at work or a techie friend for advice. You don't want the next user to have access to your bank accounts, old e-mails, and other private info, do you?

    Uninstall any application from the hard drive that you'd like to use on your next computer, keeping the installation disk and the software serial number for yourself. When it comes to software, the manufacturers made sure that you never really own software, you license it. So you don't get free reign to keep software on multiple computers. You only get one license, so you need to bring your licensed version with you to your new computer.

    Do your homework on your computer's worth. Just like you would for a car, check around at other classifieds and auction sites to see what other people are selling your make and model for.

    Be sure you want to truly get rid of old faithful. You may be able to repair your old laptop rather than buy a new $2,000 Centrino model. Or you may be able to add RAM memory and a new hard drive to your four-year-old desktop rather than invest in a new $3,000 multimedia masterpiece. In other words, do a thorough cost-analysis of what it would take to rebuild your old computer, versus what it would cost to sell it and buy a new one. And check your heart too. You might be surprised just how attached you are to your old faithful.

    Once you go through these steps, you are prepared to make your move and sell, sell, sell. And then, of course, you'll be ready to start on a whole new list of steps-for buying a new computer. But that's a topic for another article!


    Author Bio

    Donald Lee is the public relations manager for Buysellcommunity.com. Buysellcommunity provides free classified listing services. Buy, Sell and trade: auto, computers, household items, real estate, pets and much more. For global and localized classifieds, please visit
    http://www.buysellcommunity.com - Free Buy & Sell Classifieds


    Article Source: http://www.ArticleGeek.com


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    ©2006 ArticleGeek.com: Free Website Content - All Rights Reserved




    The single most important reason anyone buys a notebook is for portability. This is something that you can take anywhere. If you frequently travel in your work, you need a notebook. If you are a student going back and forth to the university, you need a notebook. If you are journalist traveling the world and submitting articles, you need a notebook. And today's notebooks can be as powerful as most desktops with dual processors, large capacity internal drives, and other attractive features. But which one is right for you? How do you determine what type of notebook will fit your current needs plus allow you to expand for the future?

    And the first part of the answer to the question of which one is right for you leads to a half-answer: "It depends." It depends on what you are going to do with the computer. Are you going to use it for work or recreation? Is it something needed for your profession or are you a hobbyist? Do you play a lot of games? What level of internet access do you need? It is also important to remember that unlike desktop models, notebook computers cannot be upgraded easily. In fact, they usually have no upgrade path so you should take the time to get exactly what you need in terms of features and performance.

    One characteristic of a notebook computer one should consider is the screen size. If you need to be able to have a lot of landscape for projects you are working on then consider a wider screen. Screen sizes usually can range from 10.4 inches to 17.1 inches. If you do a lot of work on an airliner in economy class, you are probably better off with a smaller screen size (because of the reclining seatbacks in front of you). Also a smaller notebook is just easier and lighter to carry around. Some who do presentations with their notebook computers will benefit from larger screen sizes such as those that use the newer WXGA technology. WXGA notebook screens can achieve resolutions up to 1366 by 768 pixels.

    Battery life in your notebook computer is very important too. If you move around quite a bit, you might want to consider buying a notebook with not only a long lasting battery (most go 2-3 hours), but also one where buying a spare battery is not very expensive. One very inexpensive solution for the battery problem is to buy an external universal battery that can last up to 3-4 hours.

    Another feature you need to consider when buying a notebook is internet connectivity. You will find that a popular way for people to work these days is with a wifi-enabled notebook at a wireless hotspot (such as in coffee shops, restaurants, libraries and airports). If you are buying an older used notebook, you may have to get an additional wifi-card if you want to have the mobile connectivity provided by this technology. Also, you will find that most hotels nowadays offer high-speed internet access but it is usually through a wifi connection.

    And lastly, you need to consider what other options you want for your notebook computer. Do you want a CD writer or will you need to record DVDs? Do you need premium sound? How large of a disk drive do you need? When it comes to disk space, CD/DVD writers, sound cards, memory, and processor speed, it's best to get it now as opposed to get it later. Here's why: The upgrade path for most laptops and notebooks is not very long. This is because notebooks are probably replaced every 2-3 years. They are quick becoming just as expendable as a set of tires for your car. And if you do not maximize on memory and processor speed, your notebook may not able run efficiently the new application and game software. The more your notebook is adaptable to software upgrades, the longer it will be an effective tool for you.


    Author Bio

    This article can also be accessed in portuguese language from the News Article section of page www.polomercantil.com.br/notebook.php - Roberto Sedycias works as IT consultant for PoloMercantil


    Article Source: http://www.ArticleGeek.com - Free Website Content


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    Free Website Content » Computers » Computer Hardware Articles




    By: Laura Rupert


    Security is an obvious concern when it comes to any sort of technology, but even more so with any technology that is run through the Internet. Because VoIP (www.tech-faq.com/voip.shtml) runs through the Internet any information can be intercepted by anyone at any time. Because many things go through phone line, private information can wind up in the hands of the wrong person. Obviously, nothing is a one hundred percent guarantee because as fast as technology is made to keep information from getting in the wrong hands, the wrong hands are working to figure out how to break through those systems. Luckily, VoIP security is becoming more and more well rounded all the time and soon it'll be so well done that even the best of the best won't be back to get their hands on personal information.

    One of the ways that most VoIP providers secure their customers personal information is through the tunneling and encryption process. These techniques keep hackers and those will ill intent from capturing information packets as they pass through the internet. Most VoIP providers use Layer 2 tunneling and an encryption method called Secure Sockets Layer or SSL to keep anyone from getting into the information they shouldn't have. The security of VoIP will undoubtedly change and become more sophisticated as technology allows and consumers demand more security and more privacy. For some time to come VoIP security will remain a huge concern, just because it's widely known that all information that passes over the internet could potentially fall into the hands of someone with ill intent.

    Don't let VoIP security issues keep you from getting VoIP services. The benefits of VoIP far outweigh the security risks. The bottom line is that you are more at risk every time you get online sending emails and paying bills than you will be every time you use your VoIP services. So, the features and convenience are well worth the small security risk associated with the internet access associated with it!


    Author Bio

    Laura Rupert is a freelance writer who contributes to The Tech FAQ


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    This is an mp3 / mp4 player that music lovers acknowledge the most in the modern time. US-based Apple, one among the largest producers of computers, notebooks and computer hardware and software, introduced iPod in 2001 with a single model for the international music market. Apple kept on introducing new iPods for each generation. The latest one is the iPod 5G. Apple also came up with two different variants: the iPod Shuffle (without digital display), the iPod Nano (the smaller version of iPod). Recently, Apple came up with the new-generation of iPod, the iPhone that integrates the conventional MP3 and video player with an internet ready mobile phone.

    This article compares each iPod by its special features. One of the most popular model is the iPod 5G that comes with 30 or 80 GB storage capacity. It is not just an mp3 / mp4 player, you can store, view and share complete music videos, movies, podcasts, play games, share photos, playback music and videos, connect to a video output device, and much more. It can play your favorite music for up to 20 hours as this iPod boasts of higher battery life.

    The iPod Nano has many of the same features as the full-size iPod, but with much lesser storage capacity. It comes in 2 GB, 4 GB and 8 GB models. It has up to 24 hours of battery life and is comparatively lighter and smaller. It also suffers from some limitations; the iPod Nano doesn't support voice recording and media storage via third-party peripherals. iPod Nano is a great mp3 player for people who would just like to listen to audio files.

    Apple's most-pocket friendly iPod is iPod Shuffle. It offers a host of advantages: it's affordable for everyone; its sound quality is as good as that of any other iPod; it has flash memory rather than a hard drive; and it's really portable. However, the disadvantage is that it doesn't include a screen for steering up to specific songs. It has a limited storage capacity, 512 MB to maximum 1 GB. So it's good for those who want to be in fashion, yet can compromise on memory space. But the size of this mp3 player is so small that you can easily clip it to your clothes.

    With digital music being in-vogue, many portable jukeboxes hit the market, since Apple kick-started the music revolution of our time. Other portable MP3 and MP4 players, besides iPod, are available in the entertainment world of mp3 / mp4 players. There are many Chinese, Korean and Japanese brands manufacturing low cost players in bulk. These are much cheaper, but have their own set of advantages and disadvantages. The fact remains that iPods are the most popular among all, and hold the biggest share of this market. There are enough iPod users in the market and a lot of new things are getting developed around iPods.

    Some people just can't do without their iPods, from jogging time to bed time. It sticks to their ears. Obviously, the battery drains out of the device. The latest buzz is that Andrew Schneider, a student from New York University, is exploring a solar-powered bikini that can charge iPods. Yes, it is true! The bikini will soak up the sun rays thru photovoltaic film strips. That means, while the iPod user is getting a sun tan, his mp3 / mp4 player is also getting a charge of 6.5 volts of solar power.

    iPod has become a very desired mp3 / mp4 player around the world. iPod player just seems to be ahead of its competitors. Not just by delivering good quality products, but also in providing new solutions for eager electronic consumers. Let's just wait what will be next in the iPod revolution.


    Author Bio

    This article can also be accessed in portuguese language from the News Article section of page www.polomercantil.com.br/mp3-mp4-audio-portatil.php - Roberto Sedycias works as IT consultant for PoloMercantil


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