Rashindu Tharinda

@rash522

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Teaching the fundamentals that cloud engineers actually need.

Colombo, Sri LankaJoined August 2023

About

Cloud & DevSecOps engineer and community organizer from Sri Lanka.

Available for

Technical writing, Open source documentation

Rashindu Tharinda's blogs

Rash522rash522.hashnode.dev19 posts

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Recently published

RTRashindu Tharindarash522.hashnode.devJun 2 · 6 min read

Variables and Memory: What a Variable Actually Is

Every beginner thinks a variable is a box that holds a value. That model is comfortable, intuitive, and wrong in ways that will eventually cost you hours. The Name Is Not the Value Here is a better m

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RTRashindu Tharindarash522.hashnode.devMay 26 · 7 min read

From Code to Execution: How a Program Actually Runs

You have written thousands of lines of code. You have never once told a CPU what to do. What you have done is write instructions for a translator. Several translators, actually, stacked on top of each

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RTRashindu Tharindarash522.hashnode.devMay 19 · 6 min read

Your code never actually touches the hardware

Every line of Python, Go, or C you write runs inside a box. A carefully constructed, permission-enforced box. The hardware underneath, the disk, the network card, the RAM, none of it is yours to acces

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RTRashindu Tharindarash522.hashnode.devMay 12 · 7 min read

Storage: How Data Persists and Why Durability Is Not Free

Every time your database survives a power cut, someone made a deliberate engineering decision to pay for that survival. That payment is not always money. Sometimes it is latency. Sometimes it is compl

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RTRashindu Tharindarash522.hashnode.devMay 5 · 6 min read

How RAM Works: Volatile Memory and Why It Matters

Your program crashes, your machine survives. That is RAM doing exactly what it was designed to do. The Workbench, Not the Filing Cabinet Think of your computer's storage as a filing cabinet: everythin

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Rashindu Tharinda

About

Available for

Rashindu Tharinda's blogs

Recently published

Variables and Memory: What a Variable Actually Is

From Code to Execution: How a Program Actually Runs

Your code never actually touches the hardware

Storage: How Data Persists and Why Durability Is Not Free

How RAM Works: Volatile Memory and Why It Matters

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Rashindu Tharinda

About

Available for

Rashindu Tharinda's blogs

Recently published

Variables and Memory: What a Variable Actually Is

From Code to Execution: How a Program Actually Runs

Your code never actually touches the hardware

Storage: How Data Persists and Why Durability Is Not Free

How RAM Works: Volatile Memory and Why It Matters