Lambda Architecture Principles
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August 17, 2014
"Lambda Architecture" (introduced by Nathan Marz) has gained a lot of traction recently. Fundamentally, it is a set of design pat...
Showing posts with label Architecture Design. Show all posts
Showing posts with label Architecture Design. Show all posts
Sunday, August 17, 2014
Wednesday, October 7, 2009
Architecture Review Process
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October 07, 2009
If you are lucky enough to keep the engineers who are knowledgeable about the current system around, then conducting a formal "Architec...
Sunday, September 27, 2009
Reinforcement Learning
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September 27, 2009
Reinforcement Learning (RL) is a type of Machine Learning other than "supervised learning" (having a teaching phase that shows the...
Friday, May 8, 2009
Machine Learning: Linear Model
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May 08, 2009
Linear Model is a family of model-based learning approaches that assume the output y can be expressed as a linear algebraic relation with th...
Tuesday, May 5, 2009
Machine Learning: Nearest Neighbor
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May 05, 2009
This is the simplest technique for instance based learning. Basically, find a previous seen data that is "closest" to the query da...
Monday, May 4, 2009
Machine Learning: Probabilistic Model
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May 04, 2009
Probabilistic model is a very popular approach of “model-based learning” based on Bayesian theory. Under this approach, all input attribute...
Saturday, May 2, 2009
Machine Learning Intuition
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May 02, 2009
As more and more user data are gathered on different web sites (such as e-commerce, social network), data mining / machine learning techniqu...
Wednesday, October 31, 2007
How bad code is formed
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October 31, 2007
Ignore in some case consultants do this purposefully to keep their contract, in general no one intentionally create unmaintainable code. Ho...
Coding for maintainability
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October 31, 2007
One important criteria for judging the value of any serious software product is how maintainable it is over its life cycle. It is important...
Thursday, October 25, 2007
Understand Legacy Code
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October 25, 2007
The first step to support Legacy System is to understand the code. One approach is to read through all the lines of code. Quite often, thi...
Legacy System Phenomenen
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October 25, 2007
As mentioned in my earlier blog , the software engineering skills we've learned assumes a green-field project where we starts on a clean...
Monday, October 22, 2007
"Test" as the "Spec"
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October 22, 2007
One of a frequently encountered question in enterprise software development is where does the hand off happen from the architect (who design...
Open Source Phenomenon
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October 22, 2007
The Open Source Phenomenon has changed drastically the skills set requirement for our software development professionals today. Traditionall...
Reverse Engineering Tools
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October 22, 2007
There are a couple of tools that analyze existing code base to extract its design or external behavior. For example, Agitar can analyze your...
Unit Testing Async Calls
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October 22, 2007
Most Unit testing frameworks assumes a synchronous call model that the calling thread will block until the called method returns. So a typic...
