Categories
Mastering Development Software

When bounded contexts and “microservices” collide. A distributed systems dilemma in diagram form

You can’t please everyone. Some people want a lot of context and background on sites like this. Others do not. If you don’t want the background, skip the first three paragraphs. I am a software architect with about 25 years experience, starting with Amiga Basic, then C, then C++, VB6, delphi, C#, SQL (server), and […]

Categories
Mastering Development Software

When bounded contexts and “microservices” collide. A distributed systems dilemma in diagram form

You can’t please everyone. Some people want a lot of context and background on sites like this. Others do not. If you don’t want the background, skip the first three paragraphs. I am a software architect with about 25 years experience, starting with Amiga Basic, then C, then C++, VB6, delphi, C#, SQL (server), and […]

Categories
Mastering Development Software

When bounded contexts and “microservices” collide. A distributed systems dilemma in diagram form

You can’t please everyone. Some people want a lot of context and background on sites like this. Others do not. If you don’t want the background, skip the first three paragraphs. I am a software architect with about 25 years experience, starting with Amiga Basic, then C, then C++, VB6, delphi, C#, SQL (server), and […]

Categories
Mastering Development Software

When bounded contexts and “microservices” collide. A distributed systems dilemma in diagram form

You can’t please everyone. Some people want a lot of context and background on sites like this. Others do not. If you don’t want the background, skip the first three paragraphs. I am a software architect with about 25 years experience, starting with Amiga Basic, then C, then C++, VB6, delphi, C#, SQL (server), and […]

Categories
Mastering Development Software

When bounded contexts and “microservices” collide. A distributed systems dilemma in diagram form

You can’t please everyone. Some people want a lot of context and background on sites like this. Others do not. If you don’t want the background, skip the first three paragraphs. I am a software architect with about 25 years experience, starting with Amiga Basic, then C, then C++, VB6, delphi, C#, SQL (server), and […]

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Ask Mathematics

Show for all positive integers, it is possible to paint all of the segments red.

Three counters, A, B, C are placed at the corners of an equilateral triangle of side n. The triangle is divided into triangles of side length 1. Initially all lines of the figure are painted blue. The counters move along the lines, painting their maths red , according to the following rules: First A moves, […]

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Development

How do I subscribe in sequence and return only the value from the last observable in RxJS?

I’m in an Angular route resolver and want to return an observable. I need to subscribe to multiple async processes in order: A => B(a) => C(b) C depends on B and B depends on A. A must complete, then B, then C, but I only want the value from C to be used to […]