Leandro Daniel ldaniel

🏠

Working from home

Daddy, husband, systems architect, developer and amateur musician.

ldaniel / NadaDeIFs.cs

Created April 12, 2011 16:15

Usando IFs, o certo e o errado.

	using System;

	namespace NadaDeIfs
	{
	class Program
	{
	static void Main(string[] args)
	{
	IFuncionario funcionario = new Funcionario();
	AplicarBonus(funcionario);

ldaniel / ExceptionSample.vb

Created January 23, 2012 21:43

Tratando erros no Visual Basic 6

	Sub InitializeMatrix(Var1, Var2, Var3, Var4)

	On Error GoTo ErrorHandler

	' algum codigo aqui

	Exit Sub

	ErrorHandler:

ldaniel / ExceptionSample.pas

Created January 25, 2012 18:48

Tratando erros no Delphi

ldaniel / ExceptionSample.java

Created January 25, 2012 19:04

Tratando erros no Java

	public void openFile(){
	try {
	FileReader reader = new FileReader("arquivo.txt");
	int i=0;
	while(i != -1){
	i = reader.read();
	System.out.println((char) i );
	}
	reader.close();
	System.out.println("-> EOF");

ldaniel / exceptionsample.rb

Created January 30, 2012 15:28

Tratando erros no Ruby

	tarifacao = File.open(arquivo, "w")

	begin
	# excecoes serao capturadas apos o 'begin'
	while data = socket.read(512)
	tarifacao.write(data)
	end

	# Trata alguma excecao
	rescue SystemCallError

ldaniel / exceptionSample2.pas

Created January 30, 2012 18:28

Manipulando exceções em Delphi 4.0

	procedure TForm1.FormCreate(Sender: TObject);
	var
	Buffer : Pointer;
	begin
	Buffer := AllocMem(1024);
	try
	{ Codigo que pode gerar uma excecao }
	finally
	FreeMem(Buffer);
	end;

ldaniel / catchingExceptions.cs

Created January 31, 2012 12:12

Essa não! Catching Exception de novo!

	try
	{
	// codigo que pode gerar uma exception
	}
	catch(Exception ex)
	{
	Logger.Log(ex);
	}

ldaniel / MultipleCatchBlocks.java

Created February 1, 2012 12:32

Multiple catch blocks

	try {
	// codigo que pode gerar IOException
	}
	catch (FileNotFoundException e){
	// tratamento
	}
	catch (IOException e){
	// tratamento
	}

ldaniel / loadContent.htm

Created February 18, 2012 16:23

Load page response content

	<!DOCTYPE html>
	<html>
	<head>
	<title>Load</title>
	<script type="text/javascript" src="scripts/jquery-1.7.1.min.js"></script>
	</head>
	<body>
	<b>Response:</b>
	<div id="success"></div>
	<br />

ldaniel / monads.cs

Created February 22, 2012 14:53

Elegância e/ou deselegância

	// Menos elegante?!?
	private static void Main(string[] args)
	{
	Func<int, int> fiveTimes = v => v*5;
	Func<int, int> halfOf = v => v/2;
	Func<int, int> halfOfFiveTimes = v => halfOf(fiveTimes(v));

	Console.WriteLine(halfOfFiveTimes(6));
	}