Software Development
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Big Data the ‘reactive’ way
A metatrend going on in the IT industry is a shift from query-based, batch oriented systems to (soft) realtime updated…
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Event Emitter in node.js
Event emitter from one class triggers an event to which other functions from other classes can listen. Libraries offer implementations…
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Big Data and R
This blog post is a presentation of tips on computing with Big Data in R, using Revolution R Enterprise 7.0…
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Node.js Buffer Operations
Pure javascript is not efficient in handling binary data. Node.js has native layer implementation for handling binary data, which is…
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MongoDB “Lightning Fast Aggregation” Challenged with Oracle
What does “Scale” even mean in the context of databases? When talking about scaling, people have jumped to the vendor-induced…
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Performance tuning – measure don’t guess
In my performance tuning career I have given the advice to measure and not guess more often than I can…
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MongoDB Facts: Lightning speed aggregation
In my previous post, I demonstrated how fast you can insert 50 millions time-event entries with MongoDB. This time we…
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Counting Distinct Records in SQL
The SQL language and its depths… Some of you readers might be aware of MySQL’s capability of counting distinct records…
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Transforming a server application to cloud application
On-premise products are architected and designed for server operating environment i.e., they are web-based applications. SaaS, on the other hand…
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