bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

roberto

10 weird tricks that React developers near you are using to create reusable components

https://www.youtube.com/watch?v=nQo0EdHNjto

• reusable components
  • props over state
    • prop === state => problem!
  • stateless components
  • easy to unit test
• PropTypes are serious

danperrout

/*
* @return Retorna a cotação atual de um título específico do Tesouro Direto. 
* Fonte: https://www.tesourodireto.com.br/titulos/precos-e-taxas.htm
**/
function TESOURODIRETO(bondName, argumento="r") {
    let srcURL = "https://www.tesourodireto.com.br/json/br/com/b3/tesourodireto/service/api/treasurybondsinfo.json";
    let jsondata = UrlFetchApp.fetch(srcURL);
    let parsedData = JSON.parse(jsondata.getContentText()).response;

    for(let bond of parsedData.TrsrBdTradgList) {