#Programming

Articles about Programming — exploring patterns, best practices, and real-world implementations in production systems.

10 posts tagged with programming. ← All posts

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Pratik Dhanave · ·11 min read

Functions: Arguments, *args, **kwargs, and Defaults

A working guide to Python's function signatures — positional and keyword arguments, default values and the mutable-default trap, arbitrary-argument packing and call-site unpacking, keyword-only and positional-only parameters, and treating functions as first-class values.

A working guide to Python's function signatures — positional and keyword arguments, default values and the mutable-default trap, packing with *args/**kwargs, unpacking at call sites, keyword-only and...

#Python#Functions#Programming#Software Engineering
Pratik Dhanave · ·11 min read

Control Flow: if, for, while, and match

How Python decides what runs next — conditionals and the ternary, for-each iteration done idiomatically, while loops, break/continue and the surprising loop-else, structural pattern matching with match/case, and where truthiness and comprehensions fit in.

How Python decides what runs next — conditionals and the ternary, for-each iteration done idiomatically, while loops, break/continue and the surprising loop-else, structural pattern matching with...

#Python#Control Flow#Programming#Software Engineering
Pratik Dhanave · ·12 min read

Functions, Closures, and Variadics

How Go treats functions as ordinary values — and what that buys you: the (result, error) idiom, variadic APIs, closures over shared state, and the decorator/middleware/option patterns that fall out of passing functions around.

How Go treats functions as ordinary values — and what that buys you: the (result, error) idiom, variadic APIs, closures over shared state, and the decorator/middleware/option patterns that fall out of...

#Go#Functions#Programming#Backend Engineering#Software Engineering
Pratik Dhanave · ·12 min read

Control Flow and defer

Go's control flow is deliberately small — one loop keyword, a switch that doesn't fall through, an `if` that can scope its own variable — and then there's `defer`, the one construct that repays close reading. A tour of the whole surface, with the sharp edges labelled.

Go's control flow is deliberately small — one loop keyword, a switch that doesn't fall through, an `if` that can scope its own variable — and then there's `defer`, the one construct that repays close...

#Go#Control Flow#Programming#Backend Engineering#Software Engineering
Pratik Dhanave · ·13 min read

Numbers, Booleans, and None

A working guide to Python's scalar types — arbitrary-precision integers, IEEE-754 floats and the 0.1 + 0.2 trap, when to reach for Decimal and Fraction, the operators that surprise you with negatives, why a boolean is secretly an integer, and how truthiness and None actually work.

A working guide to Python's scalar types — arbitrary-precision integers, IEEE-754 floats and the 0.1 + 0.2 trap, when to reach for Decimal and Fraction, the operators that surprise you with negatives, why a...

#Python#Numbers#Programming#Software Engineering
Pratik Dhanave · ·12 min read

Variables, Constants, and iota

How Go's declaration forms, scope rules, and its unusual constant system fit together — including the untyped-constant model that makes numeric literals feel effortless, and the `iota` patterns that turn enums and bit-flags into a few tidy lines.

How Go's declaration forms, scope rules, and its unusual constant system fit together — including the untyped-constant model that makes numeric literals feel effortless, and the `iota` patterns that turn...

#Go#Programming#Language Features#Backend Engineering#Software Engineering
Pratik Dhanave · ·12 min read

The Data Model: Objects, Names, and Binding

The single mental model that explains most of Python's surprises — everything is an object with an identity, a type, and a value; a name is a reference bound to an object, not a box that holds one; and assignment binds, it never copies.

The single mental model that explains most of Python's surprises — everything is an object with an identity, a type, and a value; a name is a reference bound to an object, not a box that holds one; and...

#Python#Data Model#Programming#Software Engineering
Pratik Dhanave · ·10 min read

Types, Values, and Zero Values

How Go's type system actually behaves — predeclared types, the zero-value guarantee that removes a whole class of null bugs, the "no implicit conversions" rule and why it exists, and the difference between a named type and a mere alias.

How Go's type system actually behaves — predeclared types, the zero-value guarantee that removes a whole class of null bugs, the "no implicit conversions" rule and why it exists, and the difference between...

#Go#Type System#Programming#Backend Engineering#Type Systems#Software Engineering
Pratik Dhanave · ·11 min read

Python's Philosophy and Toolchain

What actually makes Python distinctive — the design values that shape the language, how it runs, and the everyday tools you'll live in. The first post in a series that treats readability and correctness as features, not afterthoughts.

What actually makes Python *Python* — the design values that shape the language, how it runs, and the everyday tools you'll live in. The first post in a series that treats readability and correctness as...

#Python#Programming#Software Engineering

All posts on this site are written by Pratik Dhanave, an Agentic AI Architect with 7+ years building production distributed systems, multi-agent AI platforms, and cloud-native infrastructure. About the author → Each article includes working code, architecture diagrams, and references to the specific frameworks and standards discussed. Browse all posts or explore related topics using the tag cloud above.