Ruby On Rails

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Ruby Concepts - Singleton Classes

Ruby Concepts - Singleton Classes Have you ever wondered what a "singleton class" is? Have you ever been talking to someone or reading a blog post and "singleton class" or "singleton method" got used, and you just smile and nod, making a mental note to look it up later? Now is you...

Better passwords in Ruby applications with the Pwned Passwords API

Better passwords in Ruby applications with the Pwned Passwords API At Twilio we're fans of using a second factor to protect user accounts, but that doesn't mean we've forgotten the first factor. Encouraging users to pick strong passwords is still the first line of defence for their accounts.After spending years c...

Idiomatic Ruby: writing beautiful code

Idiomatic Ruby: writing beautiful code I feel the same way about Ruby. It is a complex but very natural programming language, with a beautiful and intuitive syntax.With more intuitive and faster code, we are able to build better software. In this post, I will show you how I express my ...

Benchmarking RedisGraph 1.0

Benchmarking RedisGraph 1.0 Today we are happy to announce the general availability of RedisGraph v1.0. RedisGraph is a Redis module developed by Redis Labs to add graph database functionality to Redis. We released RedisGraph in preview/beta mode over six months ago, and app...

"We don't have time to write tests"

"We don't have time to write tests" I wish I had a dollar for every time I heard some variation of “we would have written tests for this but we didn’t have time.” Let’s unpack the meaning of this statement.The hidden (fallacious) beliefs behind “no time for tests”If I say I didn’t w...

Dup vs Clone in Ruby: Understanding The Differences

Dup vs Clone in Ruby: Understanding The Differences Did you know that you can copy an object in Ruby? Not only that, but there are two different methods to do this!These methods are:dupcloneWe will explore the differences in a moment, but first…Why would you want to clone an object?Many objects in ...

Four things about Pry

Four things about Pry I love REPLs. It’s a great development tool. Any decent language has a REPL. Lisp has it. Python has it. So does Haskell. And Ruby, obviously, has it!REPL stands for Read Eval Print Loop. It’s a command line interface to interact with a programmin...

Rails Scaffolding and TDD Are Incompatible - Code with Jason

Rails Scaffolding and TDD Are Incompatible - Code with Jason Learning Rails testing is pretty hard. There are a lot of principles and tools to learn. Getting comfortable with testing in Rails (or any framework) often takes developers years.Compounding the difficulty is TDD. If I’m just starting out with tes...

How To Use Heredoc in Ruby

How To Use Heredoc in Ruby You use this syntax to define a heredoc in Ruby.You start with the symbol <<-, then a word that represents the name for this heredoc, then the heredoc contents, then you close the heredoc with that some word on its own line.

Stopping slow client DoS attacks with Puma on Passenger 6

Stopping slow client DoS attacks with Puma on Passenger 6 Imagine you're the proud owner of a guitar shop. One day, you wake up expecting to enjoy happy customers browsing the shop.But something is amiss today... there is a crowd of robots, idling around in your shop and not buying anything. Your custome...

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