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This post walks through the fix for DLL locking errors when trying to deploy an Azure Function. The solution was to switch over to the new “deploy from package” option when deploying the functions. This fixes the file locking problem because instead of deploying the DLLs, the function will run from a package file added to its directory.


This is the fourth blog in a series which delves into how the Rx operators work under the covers. This series aims to provide a greater understanding of Rx and its operators. This post focuses on the WINDOW operator.


When he joined endjin, Technical Fellow Ian sat down with founder Howard for a Q&A session. This was originally published on LinkedIn in 5 parts, but is republished here, in full. Ian talks about his path into computing, some highlights of his career, the evolution of the .NET ecosystem, AI, and the software engineering life.


This is the first blog in a series which delves into how the Rx operators work under the covers. This series aims to provide a greater understanding of Rx and its operators. This post focuses on the WHERE operator.


Overflowing with dataflow part 2: TPL Dataflow

by Carmel Eve

This is the second blog in a series about data flow. This post delves into TPL dataflow.

The task parallel library is a .NET library which aims to make parallel processing and concurrency simpler to work with. The TPL dataflow library is specifically aimed at making parallel data processing more understandable via a pipeline-based model.


Overflowing with dataflow part 1: An overview

by Carmel Eve

This is the first blog in a series about dataflow. The series focuses on TPL dataflow, but this post gives an overview of dataflow as a whole.

The crucial thing to understand when using dataflow is that the data is in control. In most conventional programming languages, the programmer determines how and when the code will run. In dataflow, it is the data that drives how the program executes. The movement of data controls the flow of the program.


This is a post about the importance of reducing your dependencies as much as possible when designing solutions.

If as much as possible is under your own control, there is far less room for synchronization errors and update conflicts.


I’m very excited that Ian Griffiths has joined endjin as a “Technical Fellow”. This is a new career pathway branch we created especially for Ian, as he didn’t really fit into any of our existing roles; his skills and expertise exemplify a pathway that many software engineers desire, but few have the opportunity to achieve […]


Digital Transformation is the buzzword of the moment; organisations are trying to reconfigure themselves to operate in the digital age. One of the key enablement strategies involves putting APIs at the heart of the organisation to centralise access to data, logic and value, while removing those traditional barriers that prevent collaboration between organisational silos. APIs […]


How to plan your cloud transformation journey

by Howard van Rooijen

This week I received an email from someone who asked how they could use our free Thought Leadership content to help their organisation move to the cloud. I realised that although we’ve released a lot of content, we’d never talked publicly about the rationale behind them and how they are all interconnected. Our Thought Leadership […]


Azure Tech Selector – 2017 Edition

by Matthew Adams

A couple of years ago we put together the Azure Tech Selector – a handy poster which walks you through the technology choices you can make for common cloud workloads. Now, two years later, the number of services provided in the Azure ecosystem has multiplied (and the types of workload have become more sophisticated). Revisiting […]


Choosing the right cloud platform provider can be a daunting task. Take the big three, AWS, Azure, and Google Cloud Platform; each offer a huge number of products and services, but understanding how they enable your specific needs is not easy. Since most organisations plan to migrate existing applications it is important to understand how […]


Choosing the right cloud platform provider can be a daunting task. Take the big three, AWS, Azure, and Google Cloud Platform; each offer a huge number of products and services, but understanding how they enable your specific needs is not easy. Since most organisations plan to migrate existing applications it is important to understand how […]


Choosing the right cloud platform provider can be a daunting task. Take the big three, AWS, Azure, and Google Cloud Platform; each offer a huge number of products and services, but understanding how they enable your specific needs is not easy. Since most organisations plan to migrate existing applications it is important to understand how […]


In this series, we’re comparing cloud services from AWS, Azure and Google Cloud Platform. A full breakdown and comparison of cloud providers and their services are available in this handy poster. We have assessed services across three typical migration strategies: Lift and shift – the cloud service can support running legacy systems with minimal change […]


AWS vs Azure vs Google Cloud Platform

by Jess Panni

Choosing the right cloud platform provider can be a daunting task. Take the big three, AWS, Azure, and Google Cloud Platform; each offers a huge number of products and services, but understanding how they enable your specific needs is not easy. Since most organisations plan to migrate existing applications it is important to understand how […]


Hymans Robertson was set up in Glasgow in 1921 and is one of the longest established independent firms of consultants and actuaries in the UK. Hymans Robertson soon realised that the computational requirements of their models exceeded the capacity of their on-premise datacentres and that the most cost effective solution would be to use the cloud to perform their Big Compute. But before they could harness the cloud to help them solve their Big Data problems, the business needed to understand the ramifications of moving to the cloud; everything from regulatory, risk and compliance concerns,  to how their internal Ops team would need to evolve and adapt, and how to deal with moving data from on-prem into the cloud.


As I mentioned in a previous post (and also covered by Matthew) at the start of every year we clean up our core intellectual property (~100 projects), and re-evaluate our tool-chain. NuGet Packages are now the de facto standard (for better or worse) in the .NET ecosystem, and have become one of the biggest causes […]


Azure Batch – Time is Money in Big Compute

by James Broome

Earlier in the year, endjin worked with the Azure Batch Product Team to run a series of experiments against the Azure Batch service using a framework we developed for performing scale, soak and performance tests. We’ve had conversations with a number of organisations over the last 5 years who have scaled their compute intensive workloads (SAS, […]


This blog is an addendum to Richard’s recent post about using Azure Automation to run VMs during office hours only. As Richard explains, you can use Azure Automation to create runbooks which contain PowerShell Workflows with the functionality you want to implement (e.g. starting and stopping a virtual machine or cloud service), and link those […]