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Everything you need to know about HTTP security headers - Appcanary
This article explains what secure headers are and how to implement these headers in Rails, Django, Express.js, Go, Nginx, and Apache.
http  tutorial  security  framework  tip  boa_prática  header 
january 2017 by rtopitt
Making life easier with GIT SHAs in your HTTP Headers - Andrew Cholakian's Blog
Do you know what code is running on your servers? Perhaps someone deployed something in a weird way and circumvented your normal deploy-logging process. Maybe you suspect an application server didn't actually restart. Maybe you just want to know quickly because you're lazy.

My answer to this question has been adding the Git SHA of the currently running code to the HTTP headers of my app. By doing this, figuring out what's actually running is simple.
git  rails  http  header  how-to  sha  produção  deploy  tip  version 
april 2012 by rtopitt
Você já está usando ETAGs, certo? -
Essa dica é meio velha, mas como muita gente ainda desconhece vamos falar dela. Um recurso que surgiu no Rails 2.2 é o suporte a ETAG. Se você ainda não usa, deveria. Isso porque é super simples, vai melhorar a performance do seu site para seus usuário e sai praticamente de graça, sem efeitos colaterais.
rails  etag  cache  http  performance  how-to  cabeçalho  header  importante  tip 
may 2010 by rtopitt
What really happens when you navigate to a URL
As a software developer, you certainly have a high-level picture of how web apps work and what kinds of technologies are involved: the browser, HTTP, HTML, web server, request handlers, and so on. In this article, we will take a deeper look at the sequence of events that take place when you visit a URL.
html  http  internet  dns  url  ip  webapp  explicação  funcionamento  backend  importante  exemplo  navegador  header  reference  protocol 
february 2010 by rtopitt
IE6 Accept Header is Faulty and Makes format.any Suck « Gem Install That
Bug no Accept Header dos Internet Explorer (6 e 7) que impede o format.any? do Rails de funcionar, com correção
accept  bug  controller  fix  header  http  ie  microsoft  rails  tip 
may 2009 by rtopitt

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