
Lead Developer | Author @freeCodeCamp. C# | TS | Python | Passionate neurodiversity advocate. Let’s connect
England, United Kingdom
Joined July 2018
- Tweets4.9K
- Following515
- Followers393
- Likes3.1K
Grant | Dev retweeted
DynamoDB queries are shaped by your access patterns, not your schema.
In this in-depth guide, @grantdotdev teaches you how to query data in .NET using partition keys, GSIs, and filter expressions.
You’ll learn about efficient patterns for pagination, querying, and UI-driven data retrieval along the way.
freecodecamp.org/news/how-to…
‼️Do not npm install or deploy anything right now
Supply chain attack on axios 1.14.1 - even if you don’t use axios it may be a nested dep.
Pin versions or wait until this is resolved
Replying to @npmjs
@npmjs @GHSecurityLab there is an active supply chain attack on [email protected] which pulls in a malicious package published today - [email protected] - someone took over a maintainer account for Axios
Grant | Dev retweeted

Milan Jovanović@mjovanovictech11 Nov 2025
Serbia!
SerbiaConnected via Serbia Android AppLocation may be affected by a proxy or VPN.Account-level information, not a live location or per-post device.
93% less memory usage for Minimal APIs in .NET 10 🔥
Grant | Dev retweeted
When you're building a website, app, or API, you'll need a way to login and authenticate people.
And a common way to pass auth credentials from one system to another is using JSON Web Tokens.
In this tutorial, @grantdotdev explains what JWTs are, how they work, different signing techniques, and security best practices.
freecodecamp.org/news/what-a…
Grant | Dev retweeted
Less code doesn’t always mean better!
Expected LINQ to lag a little, but some significant difference (even in nanoseconds) - think ratio rather than value
To learn more about Benchmarking in C# , and why it's important - you can check out my tutorial👇
freecodecamp.org/news/how-to…
Grant | Dev retweeted
freeCodeCamp now has daily coding challenges for you to try! Here's today's: the Vowel Repeater challenge. See if you can solve it on the mobile app.
Grant | Dev retweeted
When you're building a website, app, or API, you'll need a way to login and authenticate people.
And a common way to pass auth credentials from one system to another is using JSON Web Tokens.
In this tutorial, @grantdotdev explains what JWTs are, how they work, different signing techniques, and security best practices.
freecodecamp.org/news/what-a…
Grant | Dev retweeted
realDevModel redd.it/1lhqao1
Grant | Dev retweeted
New zoo standards will ensure UK zoos remain global leaders.
Ambitious animal welfare reforms will build an even stronger, even more compassionate future for zoos, aquariums and the animals they protect.
See the standards in action at @chesterzoo
gov.uk/government/news/anima…
Grant | Dev retweeted
Struggling to remember Git commands? You're not alone. I've put together a cheat sheet of the most common Git commands, plus my favorite time-saving aliases.
🛠️ Work smarter. Save time. Type less.
👇 Check out the list below and let me know which one you’ll be adding!
Grant | Dev retweeted
itsNotWorkingJarvis redd.it/1ks7r13
Grant | Dev retweeted
When you're coding in C#, you'll need to learn how to manage and organize data efficiently.
And this involves choosing the right data structure for the task at hand.
To help you out, @grantdotdev wrote this tutorial where he walks you through lists, arrays, dictionaries, and more with example code.
freecodecamp.org/news/how-to…
Grant | Dev retweeted
dockerPullIsSuperior redd.it/1iwy88s
Grant | Dev retweeted
ASP .NET devs, do you use MediatR in your apps?
Why / why not? 🤔
#dotnet
45%Yes
55%No
1,755 votes • Final results Grant | Dev retweeted
It's incredible that AI systems built largely by young men are getting really good at drawing beautiful women. But struggling with basics like fire safety.

























