Which is better: code that is simple, or code that is short? Many would answer that they frequently occur together. The length of a program is often a good indicator of how simple to understand the code will be. But don’t make the mistake of confusing brevity with simplicity. Making a program shorter does not …
Ten seconds between receiving a message from a pricing engine, and delivering that price to the client. Admittedly it’s an exotic structured product (not HFT). Layered, stateless services + ORM-backed repository pattern + ambient database connections. If you cannot precisely predict the number of database round-trips that will occur from a single API call, then …
I’ve been learning Go this week, and on Tuesday I attended the London Go Gathering at Google’s London Campus. As a learning exercise, I decided to port the winning QuantCup competition entry — implementing a fast stock exchange matching engine for a high-frequency trading bot — from C to Go. You can check out my …
Here’s my quick review of a new book, .NET 4.5 Parallel Extensions Cookbook by Bryan Freeman.
The book launches straight in to fairly long code examples, so it would be best if you’ve already got some basic experience using Tasks.
The book’s chapters are divided into sections providing many examples of the following topics:
An SSL termination proxy is a service that sits in front of your web server and converts HTTPS requests to plain HTTP, by offloading the SSL decryption to a separate machine or process. They are commonly used for internet-facing websites, but usually with separate servers. Here’s a quick guide how you can set up your …
Just a quick tip — if you’re having problems with programmatically modifying your IIS sites configuration using the Microsoft.Web.Administration .NET API, and are currently banging your head against the desk because: ServerManager.Sites returns a completely different set of sites than what is visible in IIS Manager, or No matter how many times you call it, …
I’ve just posted up on GitHub a quick example WPF application that shows an MVVM-style progress meter dialog, using the .NET 4.5 Task Parallel Library (TPL). Specifically demonstrating: A progress meter using .NET 4 Tasks (not BackgroundWorkers). Async support. Cancelling of Tasks via CancellationTokens. Exception handling back to the original thread. Reporting background progress updates …