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The RAFT Consensus Algorithm
How RAFT solves the consensus problem in distributed systems: a step-by-step breakdown that every engineer can understand.
2 hrs ago
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Franco Fernando
6
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The RAFT Consensus Algorithm
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Hashing in Coding Interviews
How to effectively use sets and hash tables to solve coding interview problems.
May 2
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Franco Fernando
27
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Hashing in Coding Interviews
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April 2025
Database categories
A taxonomy of the most used types of database available on the market: relational, NoSQL, time-series and NewSQL.
Apr 25
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Franco Fernando
15
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Database categories
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Communication
How to boost your career as a software engineer communicating better with your peers, manager, and partners.
Apr 18
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Franco Fernando
21
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Communication
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Backtracking
How to master backtracking algorithms: a step by step guide to solve any problem.
Apr 11
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Franco Fernando
24
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Backtracking
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How (not to) fail a system design interview
Common mistakes software engineers make during system design interviews and how to avoid them.
Apr 4
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Franco Fernando
59
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How (not to) fail a system design interview
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March 2025
Back of the envelope
How to measure a system capacity or performance requirements and choose the best design.
Mar 28
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Franco Fernando
25
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Back of the envelope
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Data Structures for Image Processing
Five data structures you should know to write great image processing algorithms.
Mar 21
•
Franco Fernando
30
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Data Structures for Image Processing
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The Definitive Guide to Load Balancers
All what you need to know to use load balancers in distributes systems.
Mar 14
•
Franco Fernando
20
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The Definitive Guide to Load Balancers
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The Shopify Checkout Architecture
How Shopify uses sandboxing to build secure checkout pages.
Mar 7
•
Franco Fernando
36
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The Shopify Checkout Architecture
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2
February 2025
The 12 Factor App: an updated guide
A review of the 12 Factor App methodology for building SaaS apps. Their original formulation, and how they have evolved.
Feb 28
•
Franco Fernando
18
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The Polymathic Engineer
The 12 Factor App: an updated guide
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How (not to) fail a coding interview
Common mistakes developers makes during coding interviews and how to avoid them.
Feb 21
•
Franco Fernando
38
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How (not to) fail a coding interview
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