1. The small things
Augusto Pascutti
Monday, August 22, 2011

2. “Na teoria, teoria e prática são a
mesma coisa. Na prática, não!
Yoggi Berra
Monday, August 22, 2011

3. Existem 10 tipos de pessoas ...
Piada (infame) nerd
Monday, August 22, 2011

4. 1 <?php
2 echo (int) ( (0.1+0.7) * 10 );
3
Monday, August 22, 2011

5. 1 <?php
2 echo (int) ( (0.1+0.7) * 10 );
3 // Output: 7
Monday, August 22, 2011

6. 1 <?php
2 $foo = 5 + "10 patos";
3 var_dump($foo);
4
Monday, August 22, 2011

7. 1 <?php
2 $foo = 5 + "10 patos";
3 var_dump($foo);
4 // Output: int(15)
Monday, August 22, 2011

8. 1 <?php
2 $foo = "5 galinhas" + "10 patos";
3 var_dump($foo);
4 // Output: int(15)
Monday, August 22, 2011

9. 1 <?php
2 $foo = "5 galinhas" + 10;
3 var_dump($foo);
4 // Output: int(15)
Monday, August 22, 2011

10. 1 <?php
2 $s = 'barra';
3 $s[0] = 'f';
4 echo $s;
5 // output: farra
Monday, August 22, 2011

11. 1 <?php
2 $a = 010;
3 $b = 1;
4 $x = $a + $b;
5 var_dump($x);
6
Monday, August 22, 2011

12. 1 <?php
2 $a = 010;
3 $b = 1;
4 $x = $a + $b;
5 var_dump($x);
6 // Output: int(9)
Monday, August 22, 2011

13. 1 <?php
2 $a = 010;
3 $b = 1;
4 $x = $a + $b;
5 var_dump($a, $b);
6 /**
7 * Output:
8 * int(8)
9 * int(1)
10 */
Monday, August 22, 2011

14. 1 <?php
2 $a = array('1', '2');
3 $a[] = 3;
4 $a[0.1] = 4;
5 print_r($a);
6 // Array
7 // (
8 // [0] => 4
9 // [1] => 2
10 // [2] => 3
11 // )
Monday, August 22, 2011

15. 1 <?php
2 $a = array('1', '2');
3 $a[] = 3;
4 $a[0.1] = 4;
5 $a['0.1'] = 5;
6 print_r($a);
7 // Array
8 // (
9 // [0] => 4
10 // [1] => 2
11 // [2] => 3
12 // [0.1] => 5
13 // )
Monday, August 22, 2011

16. 1 <?php
2 echo round(-0.4); // -0
3 echo round(-0.5); // -1
4 echo round(0.4); // 0
5 echo round(0.5); // 1
Monday, August 22, 2011

17. 1 <?php
2 echo number_format(-0.4, 0); // -0
3 echo number_format(-0.5, 0); // -1
4 echo number_format(0.4, 0); // 0
5 echo number_format(0.5, 0); // 1
Monday, August 22, 2011

18. 1 <?php
2 $s = "é";
3 echo strlen($s);
4
Monday, August 22, 2011

19. 1 <?php
2 $s = "é";
3 echo strlen($s);
4 // Output: 2
Monday, August 22, 2011

20. 1 <?php
2 echo HELLO;
3 // Output HELLO
Monday, August 22, 2011

21. 1 <?php
2 error_reporting(E_ALL & E_STRICT);
Monday, August 22, 2011

22. 1 $z = 'America/Sao_Paulo';
2 date_default_timezone_set($z);
3 $s = date('c');
4 // $s='2011-07-08T23:29:56-03:00'
5 $t = strtotime($s);
6 // $t=1310178596;
7 $d = strtotime('+8 HOUR', $t);
8 // $d=1310207396;
9 echo date('d/m/Y', $d);
10 // Output: 09/07/2011
Monday, August 22, 2011

23. 1 <?php
2 $s = 'Rails -> Fails';
3 echo htmlentities($s);
4 // Output: Rails -&gt; Fails
Monday, August 22, 2011

24. 1 <?php
2 // PHP >= 5
3 $a = new StdClass();
4 $a->name = 'Cleo';
5 $b = $a;
6 $b->name = 'Patra';
7 echo $a->name;
8 // Output: Patra
Monday, August 22, 2011

25. 1 <?php
2 function up($o) {
3 $n = strtoupper($o->name);
4 $o->name = $n;
5 }
6
7 $a = new StdClass();
8 $a->name = 'Cleo';
9 up($a);
10 echo $a->name;
11 // Output: CLEO
Monday, August 22, 2011

26. “Cursos de computação produzem
bons programadores tanto quanto
estudar pincéis e pigmentação
produzem bons pintores”
Eric Raymond
Monday, August 22, 2011

27. Leia
(Tire suas próprias conclusões)
Monday, August 22, 2011

28. Pratique
(Open Source)
Monday, August 22, 2011

29. “Você nunca vai saber que um
programador está fazendo merda
até ser tarde demais.”
Seymour Cray
Monday, August 22, 2011

30. Métodos ágeis
(Entregue pouco, muitas vezes)
Monday, August 22, 2011

31. Dúvidas?
Slides, comentários e brinders: http://joind.in/3650
Monday, August 22, 2011