Andrew Walsh's Website

Interviews are the Worst

18 minute read

If you have experience in the software engineering field, an interview process can test the experience you have; projects, production scenarios, designs. Unf...

Doxygen Themes

1 minute read

Customizable and modernized Doxygen themes.

Compiler Basics

9 minute read

Introduction of compiler basics using a toy example.

Automated Testing for GitHub Actions

3 minute read

Create a testing harness for your created GitHub Actions.

Code Analysis for GitHub Projects

1 minute read

Integrate your GitHub projects with a code analysis tool.

Fluent C++ v0.1 Release

2 minute read

Fluent style querying for C++.

CMake Simple Library Example

2 minute read

An example of a simple library using CMake.

GitHub Actions - Cache APT Packages v1 Released

less than 1 minute read

A GitHub action to cache APT packages for future workflow runs..

C++ validate and throw with a dynamic message in a single line.

2 minute read

Assert a condition and throw with a dynamic message in a single line in C++.

C++ Memory Semantics for C# and Java Devs

15 minute read

Understanding how memory semantics works in C++ from the perspective of a C# or Java dev.

Streaming UUEncoder in .NET.

2 minute read

Flashback

Get Windows Service name from executable in PowerShell.

less than 1 minute read

I was recently putting some PowerShell scripts together for deployment and maintenance of software to our machine instances. One of the requirements was to b...

Log per class pattern.

2 minute read

Rookie Moves

Creating XML based templates in log4net.

3 minute read

Motivation

Using type converters for JSON.NET.

3 minute read

Motivation

Using CC.NET & Gallio for priority based smoke testing.

4 minute read

Pitfalls in Production

State behavioral pattern to the rescue.

12 minute read

The Creeping Problem

Understanding type theory (Part one: Lambda Calculus).

7 minute read

Series Introduction

PCAP-NG reader for .NET.

1 minute read

Introduction & Scope

Automated combinatorial and spot testing of web service operations.

1 minute read

Introduction & Scope

Text generation using Markov chains.

3 minute read

Introduction

Reading and writing large binary data in T-SQL and ADO.NET.

3 minute read

Introduction

Understanding compression and Huffman Coding.

5 minute read

Definitions

IMAPI version 2 managed wrapper.

2 minute read

Introduction

Implementing a bit reader/writer in C.

3 minute read

Introduction

Licensing using XML digital signing.

6 minute read

Motivation

Automate IIS enable on Windows 7.

2 minute read

Background

Converting thermocouple voltages to temperature.

3 minute read

Background

Bit specific builds in Visual Studio 2010.

1 minute read

Using Conditioned Tags

WPF and data multithreading deadlocks.

2 minute read

WPF & Multithreading

Tips for Java performance on Android.

4 minute read

While Java may be a higher level language that makes code writeability easier, conventions must be broken when developing on Android to reap performance gain...

POCO not transforming into a POCO proxy.

less than 1 minute read

A POCO (Plain Old CLR Object) must be transformed into a POCO proxy [MyNamespace.MyClass ->{System.Data.Entity.DynamicProxies.MyClass_0A943C2FC37D33304CEB...

Detecting cycles in decimal digits and lists.

less than 1 minute read

I was recently working on solving problem 64 for project Euler and one of the needed algorithms was a detection of cycles in a list. This routine works for d...

Entity Framework June 2011 CTP Bug

less than 1 minute read

I recently installed the Entity Framework June 2011 CTP to preview the enum support but ran into a bug along the way that reported an error while processing ...

EF 4.1 Code First: Many one-to-one properties for same class type on an object.

1 minute read

I just started using the Entity Framework recently to employ persistence for an already established code base. Initially I was using the "Model & Databas...

Pseudo random proportional scheduling in games.

less than 1 minute read

I have been working on a game where enemy characters must select a target seemingly at random but such that the distribution of selected targets is balanced....

Writing a TEDS (IEEE 1451.4) parser.

2 minute read

I was tasked recently with writing a parser for TEDS bit stream data. There is an IEEE published paper with an overview of the standard but it doesn't give a...

Reentrant lock acquires in CLR.

less than 1 minute read

I always like when a post gets to the point (especially after searching in Google). In short, if you perform an operation that waits to acquire a lock, the t...

Namespaces for classes.

1 minute read

When designing classes for outside use (eg. API) or as a library component for multiple applications, readability and easy element (field/function) selection...

Delete long file path names.

less than 1 minute read

I made the stupid mistake of importing an Eclipse project into my workspace when the import location was from the workspace itself. I went to delete the recu...

Representing scientific units in code.

less than 1 minute read

I have been working on implementing a stream reader for IEEE 1451.4 TEDS and came across this interesting paper regarding representation of scientific units ...

Using Ubuntu 10.04 with SVN+HTTP.

less than 1 minute read

I setup a server recently using Ubuntu 10.04. LAMP was easy to configure, as was Subversion. Although making Subversion and Apache2 play nice together with D...

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