Engineering, made legible
Understand the
systems behind
the software.
Notes from the work of learning, building, and making sense of complex engineering—one clear idea at a time.
SYSTEMS / 001
API
01
02
03
04
GATEWAY
CLOUD
K8S
CODE
CONNECTED IDEAS
FIG. 01 — A WORKING MAP
An engineer’s notebook for the curious
01 — Explore by subject
Pick a thread.
Follow a topic through the ideas, tools, and practical lessons that make it click.
02 — From the notebook
Latest writing.
ALL NOTES
Recently published
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Android Firebase Phone Number Authentication Tutorial
Introduction Android firebase phone number authentication tutorial. Learn to implement Phone OTP (One Time Password) based authentication using Firebase and Firebase AuthUI. You can use the Firebase Authentication feature…
388 lovesRead the article: Android Firebase Phone Number Authentication Tutorial
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Android Cardview tutorial with example
Introduction In previous tutorials we learnt horizontal list and vertical list using recyclerview. This Android tutorial is to add cardview in apps with recyclerview. An example app has…
363 loves2 commentsRead the article: Android Cardview tutorial with example
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OAuth tutorial: Understand OAuth2.0 in simple step by step lesson
Introduction OAuth is an immensely popular open authorization framework available in the industry. In this oAuth tutorial, we will look into the detail concept. In this oauth tutorial understand…
263 lovesRead the article: OAuth tutorial: Understand OAuth2.0 in simple step by step lesson
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ACID Properties in Transactions, DBMS
Introduction When dealing with databases or talking about transactions, system design etc; the term ACID property is very commonly used. In the lite blog, we will learn about…
189 loves3 commentsRead the article: ACID Properties in Transactions, DBMS -
android location service tutorial fetch users last known location
Introduction This android tutorial is about adding Location module in the app. You have already seen that almost all the android app out there detects your current location.…
290 lovesRead the article: android location service tutorial fetch users last known location
THE ARCHIVE, AS IT STANDS
One ongoing education.
57
03 — THE PRACTICE
A note on this publication
Learning is better
when it’s shared.
Iteritory is Sadruddin Md’s personal technical publication: a place to unpack the engineering ideas he is learning, from API management and integration to Kubernetes, cloud, and security.
Not a definitive manual. A growing collection of explanations, experiments, and useful details gathered along the way.