time.Time is the perfect choice for most cases, it even comes in the standard library! The problem is that the time.Time{} struct uses more than 24 bytes of memory under …
Golang Conversions – Ints To Strings And Strong Typing
Go is a strongly typed language, which means at any point a developer should know exactly what type of value they are dealing with. For example, if we have a …
How To Separate Library Packages in Go
I’ve often seen, and have been responsible for, throwing code into packages without much thought. I’ve quickly drawn a line in the sand and started putting code into different folders …
I Wrote Go-TinyDate, The Missing Golang Date Package
time.Time makes dealing with dates and times in Go a breeze, and it even comes bundled in the standard library! However, a time.Time{} struct uses more than 24 bytes of …
Golang Mutexes – What Is RWMutex For?
Golang is King when it comes to concurrency. No other language has so many tools right out-of-the-box, and one of those tools is the standard library’s sync.Mutex{}. What Problem Do …
Best Practices For Writing Clean Interfaces in Go
Interfaces allow us to treat different types as the same type when it comes to specific behaviors. They are central to a Go programmers toolbelt and are often used improperly …
Wrapping Errors in Go – How to Handle Nested Errors
By Lane Wagner @wagslane on Twitter The paradigm of errors as a type, rather than something to be thrown and cause panics, allows for more control of how to handle …
Base64 vs Base58 Encoding
By Lane Wagner – @wagslane on Twitter Base64 is one of the most popular encoding formats for representing data. Have some binary data? Base64 encodes it for convenient readability and parsing. Base58 …
How To Build JWT’s in Go (Golang)
By Lane Wagner – @wagslane on Twitter Go is becoming very popular for backend web development, and JWT’s are one of the most popular ways to handle authentication on API requests. In …
What Is Entropy In Cryptography?
In cryptography, entropy refers to the randomness collected by a system for use in algorithms that require random data. A lack of good entropy can leave a cryptosystem vulnerable and unable to encrypt data securely.