Pode ajudar:

- https://pt.stackoverflow.com/q/332789/101
- https://pt.stackoverflow.com/q/216217/101
- https://pt.stackoverflow.com/q/458760/101
- https://pt.stackoverflow.com/q/165773/101
- https://pt.stackoverflow.com/q/351748/101
- https://pt.stackoverflow.com/q/77070/101
- https://pt.stackoverflow.com/q/28097/101
- https://pt.stackoverflow.com/q/385362/101
- https://pt.stackoverflow.com/q/365978/101
- https://pt.stackoverflow.com/q/395398/101
- https://pt.stackoverflow.com/q/68822/101
- https://pt.stackoverflow.com/q/366418/101
- https://pt.stackoverflow.com/q/354080/101

S2

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Farei algo que muitos pedem para aprender a programar corretamente, **gratuitamente** (não vendo nada, é retribuição na minha aposentadoria) ([links aqui](https://github.com/maniero/SOpt) no perfil também).

Pode ajudar: https://pt.stackoverflow.com/q/332789/101 https://pt.stackoverflow.com/q/216217/101 https://pt.stackoverflow.com/q/458760/101 https://pt.stackoverflow.com/q/165773/101 https:...