Andrew Foster

@andrewfoster73

Rails developer for 10+ years

Scotland, UKJoined June 2022

About

I am a web developer who has been in the industry since 1995. My current tech stack preference is Ruby on Rails with JavaScript. Originally from Australia but now living in Scotland.

Available for

Part time work in the UK and AU

Andrew Foster's blogs

Andrew's Getting Back on the Railsandrewfoster.hashnode.dev36 posts

Articles Comments

Recently published

AFAndrew Fosterandrewfoster.hashnode.devDec 15, 2022 · 3 min read

Dashboard and Charting

A key part of a business application in my opinion is providing the users with a quick, easily understandable overview of what is happening in that application. In my case, I want to provide some statistics about the data and some gentle nudges about...

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AFAndrew Fosterandrewfoster.hashnode.devNov 18, 2022 · 3 min read

A technique for avoiding Callbacks in Rails

I have a requirement for my application where I need to make changes to one record if another record that is "shadowing" the original is updated. In this context I have a shadow product where users can make fixes such as spelling mistakes and so on, ...

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AFAndrew Fosterandrewfoster.hashnode.devNov 5, 2022 · 4 min read

Query Objects

For my application I have some data display requirements that will necessitate querying some statistics about products. In this particular case I want to know how "popular" a product is in comparison to all other products. One way I can do this is to...

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AFAndrew Fosterandrewfoster.hashnode.devOct 10, 2022 · 13 min read

N+1s and Performance

In 1974 Donald Knuth wrote: "Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and m...

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AFAndrew Fosterandrewfoster.hashnode.devOct 3, 2022 · 11 min read

Dropdown/Select component using ViewComponent and Hotwire

TailwindUI has something they call a Select Menu component which will be the basis for what I am calling a Dropdown component. Here is my Storybook entry for the finished component: And here is the component in action for two different types of drop...

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Andrew Foster

About

Available for

Andrew Foster's blogs

Recently published

Dashboard and Charting

A technique for avoiding Callbacks in Rails

Query Objects

N+1s and Performance

Dropdown/Select component using ViewComponent and Hotwire

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Andrew Foster

About

Available for

Andrew Foster's blogs

Recently published

Dashboard and Charting

A technique for avoiding Callbacks in Rails

Query Objects

N+1s and Performance

Dropdown/Select component using ViewComponent and Hotwire