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By Klaus Wuestefeld | |
1) Torne-se excelente. | |
Seja realmente bom em alguma coisa. Não fique só choramingando ou | |
querendo progredir às custas dos outros. Não pense q pq vc sentou 4 | |
anos numa faculdade ouvindo um professor falar sobre software q vc | |
sabe alguma coisa. Jogador de futebol não aprende a jogar bola tendo | |
aula. Ele pratica. Instrumentistas geniais nao aprendem a tocar tendo | |
aula. Eles praticam. Pratique. Chegue em casa depois do trabalho e da |
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charset_table: "0..9, a..z, _, A..Z->a..z, U+2E->., U+00C0->a, U+00C1->a,U+00C2->a, U+00C3->a, U+00C4->a, U+00C5->a, U+00C7->c, U+00C8->e,U+00C9->e, U+00CA->e, U+00CB->e, U+00CC->i, U+00CD->i, U+00CE->i,U+00CF->i, U+00D1->n, U+00D2->o, U+00D3->o, U+00D4->o, U+00D5->o,U+00D6->o, U+00D9->u, U+00DA->u, U+00DB->u, U+00DC->u, U+00DD->y,U+00E0->a, U+00E1->a, U+00E2->a, U+00E3->a, U+00E4->a, U+00E5->a,U+00E7->c, U+00E8->e, U+00E9->e, U+00EA->e, U+00EB->e, U+00EC->i,U+00ED->i, U+00EE->i, U+00EF->i, U+00F1->n, U+00F2->o, U+00F3->o,U+00F4->o, U+00F5->o, U+00F6->o, U+00F9->u, U+00FA->u, U+00FB->u,U+00FC->u, U+00FD->y, U+00FF->y, U+0100->a, U+0101->a, U+0102->a,U+0103->a, U+0104->a, U+0105->a, U+0106->c, U+0107->c, U+0108->c,U+0109->c, U+010A->c, U+010B->c, U+010C->c, U+010D->c, U+010E->d,U+010F->d, U+0112->e, U+0113->e, U+0114->e, U+0115->e, U+0116->e,U+0117->e, U+0118->e, U+0119->e, U+011A->e, U+011B->e, U+011C->g,U+011D->g, U+011E->g, U+011F->g, U+0120->g, U+0121->g, U+0122->g,U+0123->g, U+0124->h, U+0125->h, U+0128 |
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def tip(msg); puts; puts msg; puts "-"*100; end | |
# | |
# 30 Ruby 1.9 Tips, Tricks & Features: | |
# http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/ | |
# | |
tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2" | |
tip "Ruby 1.9 supports named captures in regular expressions!" |
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Ext.XTemplate.from = function(el){ | |
el = Ext.getDom(el); | |
var string = el.value || el.innerHTML; | |
string = string.replace(/%7B/g, "{").replace(/%7D/g, "}").replace(/%21/g, "!"); | |
return new Ext.XTemplate(string); | |
}; | |
if(!Array.prototype.add) { | |
Array.prototype.add = function(item) { | |
this[this.length] = item; |
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var instrutor = function(json, record) { | |
var nome = ""; | |
record.instrutores.forEach(function(inst){ nome += (inst.nome + ", ") }); | |
return nome; | |
} | |
var CursoFactory = Ext.data.Record.create(["id", "nome", "descricao", | |
{name:"instrutores", convert: instrutor}]); | |
var store = new Ext.data.Store({ |
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var FactoryForm = function() { | |
var form = new Ext.form.FormPanel({ | |
width: 400, height: 150, frame: true | |
, defaults : { | |
margins: {top:15, right:0, bottom:0, left:5} | |
} | |
, defaultType: "textfield" | |
, items: [ |
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require 'yaml' | |
require 'logger' | |
require 'active_record' | |
namespace :db do | |
def create_database config | |
options = {:charset => 'utf8', :collation => 'utf8_unicode_ci'} | |
create_db = lambda do |config| | |
ActiveRecord::Base.establish_connection config.merge('database' => nil) |
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require 'open-uri' | |
tries = 0 | |
begin | |
tries += 1 | |
open("http://norbaoliveira.com") { |f| puts f.readlines } | |
rescue OpenURI::HTTPError => e | |
puts e.message | |
if tries < 4 |
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def explode # Este método levanta um RuntimeError 10% das vezes | |
raise "bam!" if rand(10) == 0 | |
end | |
def risky | |
begin # Este bloco | |
10.times do # contém outro bloco | |
explode # que pode levantar uma exceção. | |
end # Nenhuma cláusula rescue está aqui, então propague para fora. | |
rescue TypeError # Esta cláusula rescue não pode manipular um RunTimeError... |