Basics 4 min read
Object-Oriented Analysis And Design — Conceptual Model (Part 2)
Conceptual Model Once we’ve some use cases or user stories, the next thing we can do is create a conceptual…
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Basics 6 min read
Object-Oriented Analysis And Design — Introduction (Part 1)
The Concept Of Object-Orientation Object-orientation is what’s referred to as a programming paradigm. It’s not a language itself but a…
Basics 4 min read
Designing Real-World Systems
This last section is all about examples of real world problems, and what solutions we can use. But, before diving…
Basics 4 min read
Spark Streaming
With Spark core, we can analyze batch of data (say, daily). With Spark Streaming, we analyze data in real time…
Basics 3 min read
Streaming Data
So far we assumed data is sitting on the cluster, but, we didn’t say how to get the data as…
Basics 4 min read
Query Engines
There are handful of solution to query the data in the whole cluster, or from a certain database. Hive and…
Basics 3 min read
External Data Storage
We can use and integrate external data storage, relational and non-relational databases to expose the data to transactional platform (like…
Basics 6 min read
Optimizing Our Puppeteer Script
The general idea is to not let the headless browser do any extra work. This might include loading images, applying…
