If you need the money, don't take the job

From My Horrible Career Your lovin’ gives me a thrill, but your lovin' don't pay my bills This is the fourth of a five-part series about my horrible career: how it started, how it’s going, and what I learned from making every mistake imaginable. My horrible career Not a real deve … | Continue reading


@bitfieldconsulting.com | 14 days ago

If you need the money, don't take the job

Money: how to get people to give it to you, how much to ask for, and how to be worth what you're asking. Some real talk about the challenges you’ll face as a newly independent worker. | Continue reading


@bitfieldconsulting.com | 14 days ago

Iota in Go: a quick introduction

iota is a neat feature of Go that lets us create “enums”: lists of constants with arbitrary values. Let’s find out how to use iota, with this quick tutorial. | Continue reading


@bitfieldconsulting.com | 1 month ago

What is 'iota' in Go?

iota is a neat feature of Go that lets us create “enums”: lists of constants with arbitrary values. Let’s find out how to use iota, with this quick tutorial. | Continue reading


@bitfieldconsulting.com | 1 month ago

Test names should be sentences

Tests communicate a lot of information, to readers, other developers, and even our future selves. Well-written tests focus on a single unit of behaviour that can be described in a brief sentence, and we can use that sentence as the name of the test. | Continue reading


@bitfieldconsulting.com | 1 month ago

Programming with confidence: TDD in Go

There’s an easy, pleasant, and reliable way to build software in Go, guided by tests. Let’s find out what it’s like to program with confidence, in the first part of this TDD tutorial series. | Continue reading


@bitfieldconsulting.com | 1 month ago

Programming with confidence: TDD in Go

There’s an easy, pleasant, and reliable way to build software in Go, guided by tests. Let’s find out what it’s like to program with confidence, in the first part of this TDD tutorial series. | Continue reading


@bitfieldconsulting.com | 1 month ago

Type parameters in Go

Now that generics have come to Go, let's take a look at the new syntax for type parameters. We’ll find out why we need type parameters, how we write them, and how we can use them to create generic functions in Go. | Continue reading


@bitfieldconsulting.com | 2 months ago

Generics in Go

Generics what now? This friendly, down-to-earth tutorial series explains how Go’s generic functions and types work, why we need them, and where we can use them. | Continue reading


@bitfieldconsulting.com | 2 months ago

Master of my domain

Let’s talk business—independent business, that is. What’s the cost of being the boss? Some more hard-learned lessons from my own horrible career. | Continue reading


@bitfieldconsulting.com | 2 months ago

Master of my domain

Let’s talk business—independent business, that is. What’s the cost of being the boss? Some more hard-learned lessons from my own horrible career. | Continue reading


@bitfieldconsulting.com | 2 months ago

Iterators in Go

The iterator proposal is a neat way to write “lazy loops”, where we never generate more results than we actually use. Let’s see what that would look like in Go programs. | Continue reading


@bitfieldconsulting.com | 3 months ago

Cryptography in Go: AES internals

AES is the modern standard encryption algorithm, but how does it work? Where does it come from? Let’s kick the tyres with a high-level overview of AES internals. | Continue reading


@bitfieldconsulting.com | 3 months ago

Cryptography in Go: AES explained

AES is the modern standard encryption algorithm, but how does it work? Where does it come from? Let’s kick the tyres with a high-level overview of AES internals. | Continue reading


@bitfieldconsulting.com | 3 months ago

Rust vs Go in 2024

Which is a better choice, Rust or Go? Which language should you choose for your next project, and why? How do the two compare in areas like performance, simplicity, safety, features, scale, and concurrency? | Continue reading


@bitfieldconsulting.com | 4 months ago

Best Go books for 2024

What are the best Go books for 2024? Read my (relatively) unbiased recommendations for the Go books you should absolutely buy and read right now, whether you’re a beginner or expert Gopher. | Continue reading


@bitfieldconsulting.com | 4 months ago

Being a good co-worker is your job now

In the final part of this series on the world of work, we’ll talk about how not to suck at meetings. | Continue reading


@bitfieldconsulting.com | 4 months ago

Being a good co-worker is your job now

In the final part of this series on the world of work, we’ll talk about how not to suck at meetings. | Continue reading


@bitfieldconsulting.com | 4 months ago

Not a real developer

In the second part of my tell-all memoir, we find out why I was constitutionally unsuited to employment in a structured environment, or indeed any environment. | Continue reading


@bitfieldconsulting.com | 5 months ago

Not a real developer

In the second part of my tell-all memoir, we find out why I was constitutionally unsuited to employment in a structured environment, or indeed any environment. | Continue reading


@bitfieldconsulting.com | 5 months ago

People skills for developers

In the second part of this series on career skills for software engineers, we’ll look at how to deal with that trickiest of species: human beings. | Continue reading


@bitfieldconsulting.com | 6 months ago

People skills for developers

In the second part of this series on career skills for software engineers, we’ll look at how to deal with that trickiest of species: human beings. | Continue reading


@bitfieldconsulting.com | 6 months ago

My horrible career

Dev advocate Zack Proser grilled me lightly about my career, and why I haven’t taken any of my own advice. Read the full interview, but pay no attention to the man behind the curtain. | Continue reading


@bitfieldconsulting.com | 7 months ago

My horrible career

Dev advocate Zack Proser grilled me lightly about my career, and why I haven’t taken any of my own advice. Read the full interview, but pay no attention to the man behind the curtain. | Continue reading


@bitfieldconsulting.com | 7 months ago

You can do this: surviving day one

It’s day one of your new job as a developer. What should you expect? How should you act? Will you survive “max Q“? | Continue reading


@bitfieldconsulting.com | 8 months ago

You can do this: surviving day one

It’s day one of your new job as a developer. What should you expect? How should you act? Will you survive “max Q“? | Continue reading


@bitfieldconsulting.com | 8 months ago

Iterators in Go

The iterator proposal is a neat way to write “lazy loops”, where we never generate more results than we actually use. Let’s see what that would look like in Go programs. | Continue reading


@bitfieldconsulting.com | 9 months ago

Finding bugs with fuzzing

In the thrilling conclusion to our fuzz testing series, we’ll use Go’s fuzzer to find a real bug in our code, and also to verify the fix. | Continue reading


@bitfieldconsulting.com | 10 months ago

Finding bugs with fuzzing

In the thrilling conclusion to our fuzz testing series, we’ll use Go’s fuzzer to find a real bug in our code, and also to verify the fix. | Continue reading


@bitfieldconsulting.com | 10 months ago

Writing a Go fuzz target

Let’s continue our exploration of fuzz testing in Go with a look at how to write a fuzz target for a (nearly) realistic function. This time we’ll try to detect a common kind of bug involving a confusion between runes and bytes. | Continue reading


@bitfieldconsulting.com | 11 months ago

Writing a Go fuzz target

Let’s continue our exploration of fuzz testing in Go with a look at how to write a fuzz target for a (nearly) realistic function. This time we’ll try to detect a common kind of bug involving a confusion between runes and bytes. | Continue reading


@bitfieldconsulting.com | 11 months ago

Fuzz tests in Go

Fuzz testing is Go’s clever way of generating new test inputs that you didn’t think of—and that may flush out some hidden bugs. Stand by for things to get a little fuzzy! | Continue reading


@bitfieldconsulting.com | 1 year ago

Fuzz tests in Go

Fuzz testing is Go’s clever way of generating new test inputs that you didn’t think of—and that may flush out some hidden bugs. Stand by for things to get a little fuzzy! | Continue reading


@bitfieldconsulting.com | 1 year ago

The Tao of Go

What is the Tao of Go, and how can we work with it, like a surfer going with the waves instead of struggling against them? By being kind, simple, humble, and not striving; here’s how. | Continue reading


@bitfieldconsulting.com | 1 year ago

Random testing in Go

Choosing good test cases for our Go programs can be a bit hit-and-miss. What if we could automate that process? Let’s talk about randomisation, property-based testing, and Go’s built-in fuzz testing feature. | Continue reading


@bitfieldconsulting.com | 1 year ago

The adapter pattern in Go

How do you test a database without a database? Don't worry, this isn't one of those Zen puzzles. I have something more practical, but equally enlightening, in mind. Let’s use the adapter pattern to solve the riddle. | Continue reading


@bitfieldconsulting.com | 1 year ago

A generic Set type in Go

To celebrate the first anniversary of generics in Go, let’s build something practical and useful: a generic Set type, and add some neat methods to it. Ready for fun? | Continue reading


@bitfieldconsulting.com | 1 year ago

From packages to commands

In Part 2 of a series about writing packages, not programs, we see how to test a package that prints to the terminal, and use the result to build our “hello, world” CLI tool. | Continue reading


@bitfieldconsulting.com | 1 year ago

Write packages, not programs

Go ships with a great standard library of packages, and that’s a clue to the power of re-usable software components. What would it mean, then, to think about our work not merely as building one-off programs, but as contributing to the universal Go library? | Continue reading


@bitfieldconsulting.com | 1 year ago

The gentle art of code review

Could we give and receive code reviews with kindness, gentleness, humility, and compassion? Can we make a point without making an enemy? Let’s go line by line. | Continue reading


@bitfieldconsulting.com | 1 year ago

Executable examples in Go

Did you know that Go lets us provide executable code examples as part of our documentation? It’s pretty neat. Let’s take a tour of this useful feature and see how it works. | Continue reading


@bitfieldconsulting.com | 1 year ago

Error wrapping in Go

Distinguishing between specific error values and types is easy in Go, thanks to the (relatively) new errors.Is and errors.As functions. Let’s talk about what they do, when and how to use them, and how to know which one is appropriate. | Continue reading


@bitfieldconsulting.com | 1 year ago

Standalone test scripts

Wouldn't it be nice if we could run test scripts directly from the command line? The standalone testscript tool does exactly that. Let’s see how to use it to create simple, self-contained issue repros. | Continue reading


@bitfieldconsulting.com | 1 year ago

Comparing Go error values

Usually what matters about an error is that it’s not nil, but what if we want to know whether it’s some specific error value? For example, in a test? Let’s look at some of the right and wrong ways to do that. | Continue reading


@bitfieldconsulting.com | 1 year ago

Conditions and concurrency in test scripts

Continuing our series on the testscript package, we look at some advanced techniques in test scripts such as conditions, concurrency, and managing environment variables. | Continue reading


@bitfieldconsulting.com | 1 year ago

Testing errors in Go

How should we test errors in Go? And how does the need for this testing influence the way we construct, handle, and pass around errors within our Golang programs? | Continue reading


@bitfieldconsulting.com | 1 year ago

Files in test scripts

The txtar format is an ingenious way to supply arbitrary files and folder structures to test scripts. We’ll also learn about file management, simulating standard input, and breaking up scripts into phases . | Continue reading


@bitfieldconsulting.com | 1 year ago

Functional programming in Go

Thanks to generics, there are some interesting new ways to program in Go. This article explains how we can use functional programming techniques like Map, Filter, and Reduce, and what kind of problems they might help us to solve. | Continue reading


@bitfieldconsulting.com | 1 year ago