Claude 3 Opus - First impressions
7 months ago
Anthropic just released its most powerful model to date. I have been working with it and wanted to share some initial thoughts on the model.
Programming, Technology and the Art of Hacking
7 months ago
Anthropic just released its most powerful model to date. I have been working with it and wanted to share some initial thoughts on the model.
almost 5 years ago
This article covers some advanced techniques you can use to debug memory leaks in Ruby.
over 5 years ago
Over the years one of the most complex issues we have had to deal with at Discourse was flaky tests, in this post I would like talk a bit about the various patterns we have come across and ways we tackle this issue.
over 5 years ago
It has been about 3.5 weeks since I moved from Windows to Linux, during the switch I also moved to using the tiling i3 window manager. I would like to tell you a bit about it.
over 5 years ago
I stuck with Windows 10 as my primary OS for 6 years, despite being a Ruby developer. In this blog post I would like to cover why this happened.
almost 6 years ago
Effectively dealing with logs is a critical skill you should hone. In this blog post I will cover how we handle web application error logs at Discourse, both in production and in development.
about 6 years ago
Often in development we have an annoying message in our console that we simply can not find the source of, here is a little trick you can use to hunt messages like this down.
over 6 years ago
In this post I would like to cover a severe, extremely hard to debug vector for memory bloat in Ruby which can be triggered by the PG gem.
over 6 years ago
Current patterns in Active Record lead to enormous amounts of resource usage. Here is an analysis of Rails 5.2
over 6 years ago
How we manage schema changes at Discourse minimizing downtime
over 6 years ago
It is very likely your Rails application is full of duplicate strings, here are some tricks you can use to get rid of them.
over 6 years ago
How we instrument Rails at Discourse and how you can, too.
over 6 years ago
How do you go about debugging high CPU usage in a production Rails system?
almost 7 years ago
What is the fastest and most elegant way to instrument a method in Ruby?
over 8 years ago
Chrome recently pushed out support for Brotli, in this post I will cover what this means to you.
almost 9 years ago
WebSockets seem to be gaining a resurgence, suddenly they are sexy again. I think this is the wrong message.
about 9 years ago
Recently, I discovered a performance regression on a very common page on Discourse. This post documents my approach and specific fixes I applied.
over 9 years ago
Tools, tips and techniques for diagnosing and fixing Ruby memory leaks
almost 10 years ago
Announcing rubybench.org
almost 10 years ago
Optimising Rails 4.2 using Flame Graphs and Memory Profiler
over 10 years ago
over 10 years ago
One major issue all “one page” JavaScript apps have is updating clients, this is how I solved this for Discourse.
almost 11 years ago
Wishing for a long running ruby benchmark.
almost 11 years ago
Lessons learned moving commenting to Discourse
almost 11 years ago
The Ruby GC may seem exceedingly complex to some, in this article I try to shed some light on it.
almost 11 years ago
I just added some helpers that allow you to easily perform live restarts of unicorn processes with zero downtime.
almost 11 years ago
Recently I spent some time working on a Docker container for Discourse to ease our deployment story.
about 11 years ago
This Blog is now 100% powered by Discourse
over 11 years ago
The number #1 productivity killer for me is the trivial inconvenience, it does not stop me from working… just make my job very frustrating.
over 11 years ago
Analysis of performance issues in Ruby can often be fairly complex, in this post I cover a new technique you can use with MiniProfiler.
over 11 years ago
I just introduced the first smoke test for Discourse. Reasoning, techniques and lessons learned.
about 12 years ago
iOS6 is out, and with it an essentially broken maps app, here are my thoughts on this matter.
over 12 years ago
For the last few months we have been working on a version of MiniProfiler for Rails, here is the low-down
over 12 years ago
I am leaving Stack Exchange, why this happened and what is next?
over 12 years ago
Recently I embarked on a mission to find and and build tools for dealing with broken links on the Stack Exchange network, here are some things I learned.
over 12 years ago
While preparing for my talk at Codemania I started filling my slides with links, clearly not something that scales. So, instead, here is a big list of interesting tools and resources that can help you journey through the murky waters of web performance.
over 12 years ago
Learn about a change introduced in the 2.6.39 kernel that has huge impact on your users perceived web performance.
over 12 years ago
We are pushing a 2.0 public release of MiniProfiler, the following post describes most of the awesome changes.
over 12 years ago
The last script holding in your header is usually jQuery, learn how to move it to your footer and why you should.
over 12 years ago
A common issue many users have with Dapper is the ability to insert records into a database, in this post I cover some options and a solution I developed.
almost 13 years ago
In this post I cover the history, diagnosis and eventual repair of some erratic performance we were experiencing at Stack Overflow.
about 13 years ago
In this post I outline the process and method we used to optimize routing at Stack Overflow
about 13 years ago
Using rather simple techniques I practically eliminated all of the spam on this blog, here is a technical explanation
about 13 years ago
In this post I demonstrate how to extend the ASP.NET error page with additional information about the SQL that failed.
about 13 years ago
In this post I explain how I ported a rather tricky page to dapper, it highlights usage of a new helper called SqlBuilder, that lives in Dapper.Contrib
about 13 years ago
Finding views in ASP.NET MVC3 is an often overlooked performance concern.
about 13 years ago
In this post I work through one method you can use to get controller, view and partial render times in an MVC3 app.
over 13 years ago
I am very happy to re-announce the MVC mini profiler, used in production at Stack Overflow.
over 13 years ago
I have been spending a fair amount of time tuning Stack Overflow, in this post I will walk through the process of tuning a single page.
over 13 years ago
Does the world even need another ORM?
Why we took a step back at Stack Overflow and wrote our on mini ORM
about 14 years ago
At my new job I have been looking at better ways of highlighting recent interesting answers.
Here is a list of answers I came across in July that I found interesting.
almost 15 years ago
Diagnosing runaway/high CPU in production .Net apps has always been a dark art reserved for the true master debuggers.
No longer.
about 15 years ago
A little bit about my new bug tracker. Can tracking bugs be fun?
about 15 years ago
I love rspec, and wanted to see what happens if you bring it to .Net, here is a tiny step by step guide to writing your own rspec tests for a C# project.
over 15 years ago
After a lot of thought and research I have decided to see if we can make a business out of Media Browser.
over 15 years ago
Media Browser / Video Browser has always been free "as-in-beer":http://c2.com/cgi/wiki?FreeAsInBeer and free as-in-speech.
Will it remain free?
over 15 years ago
About some upcoming feature for Media Browser.
over 15 years ago
We just changed the way our source code is licensed, this post covers the reasons and details of the changes.
over 15 years ago
I am going to try to post a little bit about my adventures refactoring Media Browser. In this post I am covering a some aspects of entity resolution.
over 15 years ago
In this post I offer a streamlined mechanism for debugging Vista Media Center plugins in Visual Studio.
over 15 years ago
For the last few weeks I have been forced to use a very slow website. This has left me feeling very demoralized. This is why.
almost 16 years ago
Earlier this week I lost my old trusty server which hosts www.samsaffron.com and www.mediabrowser.tv died.
I decided to migrate all the data to a new VPS (virtual private server), here is a sketchy account of how this all happened.
about 16 years ago
In SQL Server a SELECT statement can deadlock against an UPDATE statement without being in a transaction. Why does this happens? What is a good approach to SQL Server deadlocks?
over 16 years ago
Recently, I had to support a rails server which is deep behind a firewall. Here I offer a somewhat sketchy account of how I am able to support it.
over 16 years ago
Why I started off Video Browser, where it is today, and what are the future plans.
over 16 years ago
In general when generating rss feed in Rails you will be using the builder library, it can be fairly slow unless you take special care.
over 16 years ago
Watch out when you use ActiveRecord eager loading, it has the potential to wreak havoc if you are not careful.
over 16 years ago
A new release of Video Browser contains a few bug fixes
over 16 years ago
I just posted a new version of Video Browser that support “by genre” and “by runtime” sort options for movies.
over 16 years ago
Yet another way to enumerate through Enumerables if you are using the prototype javascript library.
over 16 years ago
On Rails, I find myself quite often fixing up an old migration early in my projects, at this point I already have a bunch of data in my database and I would like to keep it.
So I created a Rake task that takes care of this.
over 16 years ago
I just posted a new version of video browser in my download section!
over 16 years ago
In this post I would like to give you all the information you need to get started with Ruby On Rails, on Windows. I will cover the tools you need, the resources you need and some tips.
almost 17 years ago
Writing your own blog software is an ideal first exercise when faced with learning a new web platform.
almost 17 years ago
almost 17 years ago
Video browser, is a little plugin for Vista MCE that let's you browse your videos the way they were meant to be browsed.
about 17 years ago
Well, it’s that time to change jobs. Goodbye Altiris.
about 17 years ago
This is a post about my first attempts with Video Browser.
about 17 years ago
An example implementation of the IDisposable pattern in the Ruby language.
It looks much nicer in Ruby.
over 17 years ago
Implementing the UPSERT (insert or update) pattern in MS SQL Server can be tricky. In this post I explore the various advantages and disadvantages of various implementations.
over 17 years ago
over 17 years ago
over 17 years ago
4 different embedded databases offer 4 different APIs to create a database.
over 17 years ago
Testing .NET embedded DBs