Software livre e padrões abertos no desenvolvimento Web

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    Software livre e padrões abertos no desenvolvimento Web - Presentation Transcript

    1. Software livre e padrões abertos no desenvolvimento Web Felipe Ribeiro felipernb@php.net http://feliperibeiro.com @felipernb Saturday, September 19, 2009
    2. Felipe Ribeiro •Graduando (concluinte) em Ciência da Computação na UFCG •Zend Certified Engineer - PHP5 •Trabalha com desenvolvimento Web, atualmente na startup Shoprizer.com •Membro fundador do grupo PHP-PB •Contribuidor do PHP no Google Summer of Code 2009 •Ex-contribuidor do projeto Mozilla Camino Saturday, September 19, 2009
    3. A Web Saturday, September 19, 2009
    4. A Web Softwares distintos se comunicando, independente de plataforma, fornecedor e linguagem de programação Saturday, September 19, 2009
    5. Como é possível? Saturday, September 19, 2009
    6. Como é possível? TCP/IP HTTP HTML CSS Saturday, September 19, 2009
    7. Padrões abertos Padrões abertos são padrões disponíveis para livre acesso e implementação, que independem de royalties e outras taxas e sem discriminação de uso. Saturday, September 19, 2009
    8. Porque padrões abertos são importantes? Saturday, September 19, 2009
    9. Em alguns lugares do oriente médio, esse gesto... Saturday, September 19, 2009
    10. seria interpretado assim... Então é melhor usar algo que todos possam entender! Saturday, September 19, 2009
    11. W3C é um consórcio de empresa que regulamenta os padrões da Web, entre eles: • HTML • XML • XHTML • XPath • XQuery • XSLT • CSS • SVG • SOAP, WSDL (Web Services) • OWL (Web Semântica) Saturday, September 19, 2009
    12. Saturday, September 19, 2009
    13. HTML5 •Desenho vetorial em Canvas •Armazenamento de informação no cliente •Drag-and-drop •Tags para vídeo e áudio, evitando a necessidade de plugins •Polêmica na escolha do padrão de vídeo •Ogg Theora - Padrão aberto •H.264 - Padrão proprietário •Animações •Entre outras coisas Saturday, September 19, 2009
    14. A maioria dos servidores Web roda software livre Saturday, September 19, 2009
    15. LAMP Linux Apache MySQL PHP Saturday, September 19, 2009
    16. E isso presta? Na universidade eu aprendi que Java é a solução para todos os meus problemas. Quem usa PHP? Saturday, September 19, 2009
    17. Saturday, September 19, 2009
    18. Saturday, September 19, 2009
    19. Saturday, September 19, 2009
    20. Saturday, September 19, 2009
    21. delicious Saturday, September 19, 2009
    22. Saturday, September 19, 2009
    23. Saturday, September 19, 2009
    24. Saturday, September 19, 2009
    25. Saturday, September 19, 2009
    26. Saturday, September 19, 2009
    27. É... parece que vale a pena conhecer... Saturday, September 19, 2009
    28. "PHP is not about purity in CS principles or architecture; it is about solving the ugly web problem with an admittedly ugly, but extremely functional and convenient solution. If you are looking for purity, you are in the wrong boat. Get out now before you get hit by a wet cat!" - Rasmus Lerdorf Saturday, September 19, 2009
    29. 1993 Saturday, September 19, 2009
    30. 1993 <HTML> <HEAD> <TITLE>My Personal Home Page</ TITLE> </HEAD> <BODY> This is my cool page<P> And look at my counter<P> <IMG SRC="/cgi-bin/counter.pl"> </BODY> </HTML> Saturday, September 19, 2009
    31. 1994 <!--getenv HTTP_USER_AGENT--> <!--ifsubstr $exec_result Mozilla--> Hey, you are using Netscape!<p> <!--endif--> <!--sql database select * from table where user='$username'--> <!--ifless $numentries 1--> Sorry, that record does not exist<p> <!--endif exit--> Welcome <!--$user-->!<p> You have <!--$index:0--> credits left in your account.<p> <!--include /text/footer.html--> Saturday, September 19, 2009
    32. 1995 <? $name = "bob"; $db = "db"; $result = msql($db,"select * from table where firstname='$name'"); $num = msql_numrows($result); echo "$num records found!<p>"; $i=0; while($i<$num); echo msql_result($result,$i,"fullname"); echo "<br>"; echo msql_result($result,$i,"address"); echo "<br>"; $i++; endwhile; > Saturday, September 19, 2009
    33. 2005 <?php class db { protected static $dbh = false; function connect() { self::$dbh = new PDO('mysql:host=localhost;dbname=test','user','pass'); self::$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } } class items extends db { function load($name) { if(!self::$dbh) $this->connect(); try { if(!self::$dbh) $this->connect(); $stmt = self::$dbh->prepare("SELECT * FROM items WHERE firstname=:name ORDER by ctime desc"); $ret = $stmt->execute(array('name'=>$name)); } catch (PDOException $e) { die($e->getMessage()); } return $ret; } } ?> Saturday, September 19, 2009
    34. 2009 Closures <?php $getClosure = function($v) { return function() use($v) { echo "Hello World: $v!n"; }; }; $closure = $getClosure(2); $closure(); ?> Saturday, September 19, 2009
    35. 2009 Namespaces <?php namespace foo; class bar { function __construct() { echo get_called_class(); } } ?> Saturday, September 19, 2009
    36. Que ferramentas utilizar no desenvolvimanto? Saturday, September 19, 2009
    37. Saturday, September 19, 2009
    38. Saturday, September 19, 2009
    39. Saturday, September 19, 2009
    40. Saturday, September 19, 2009
    41. PHP é seguro? Saturday, September 19, 2009
    42. Free/Open/NetBSD são seguros? MS Windows® é seguro? Saturday, September 19, 2009
    43. São todos escritos principalmente em C! Saturday, September 19, 2009
    44. A linguagem de programação não é o fator determinante na segurança de um sistema Saturday, September 19, 2009
    45. PHP está pronto para aplicações “enterprise”? Saturday, September 19, 2009
    46. XML Saturday, September 19, 2009
    47. Saturday, September 19, 2009
    48. SOAP Saturday, September 19, 2009
    49. Saturday, September 19, 2009
    50. REST Saturday, September 19, 2009
    51. Saturday, September 19, 2009
    52. JSON Saturday, September 19, 2009
    53. JSON Saturday, September 19, 2009
    54. Existem pacotes reutilizáveis em PHP? Saturday, September 19, 2009
    55. PEAR Saturday, September 19, 2009
    56. PEAR PHP Extension and Application Repository Saturday, September 19, 2009
    57. Saturday, September 19, 2009
    58. • Pacotes escritos por membros ativos da comunidade PHP • Tudo testado por um time exigente de controle de qualidade. • Gerenciamento “a la apt-get”: Ex.: pear install Log pear upgrade PHPUnit pear uninstall Text_CAPTCHA Saturday, September 19, 2009
    59. Frameworks Para todos os gostos, dos mais “Java-like” aos mais “Rails-like” Saturday, September 19, 2009
    60. Frameworks Saturday, September 19, 2009
    61. E o mercado? Saturday, September 19, 2009
    62. PHP é a linguagem mais popular da Web O desenvolvimento de aplicações é rápido e menos custoso Startups surgem todos os dias Saturday, September 19, 2009
    63. Grandes players estão investindo no PHP IBM Yahoo! Microsoft Mercado amadurecido e certificações Saturday, September 19, 2009
    64. Quer saber mais sobre o PHP? Grupo de desenvolvedores PHP da Paraíba III Encontro será no dia 31/10/2009 no SEBRAE em João Pessoa Saturday, September 19, 2009
    65. <?php echo("Dúvidas?"); $contato = array( "nome" => "Felipe Ribeiro", "email" => "felipernb@php.net", "blog" => "http://feliperibeiro.com", "twitter" => "@felipernb"); var_dump($contato); ?> Saturday, September 19, 2009

    + Felipe RibeiroFelipe Ribeiro, 2 months ago

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