Author

Ajay kumar

@yourhome.ecommerce

articles: 60
total claps: 87
top claps: 32
avg read: 5.7 min
paywalled: 12
active: 2018-12-26 → 2026-08-17

Wiki topics

ECO · Economy · General · 14 🔮 · Astrology & Mysticism · 10 INV · Investing & Markets · 10 💑 · Relationships · 7 📷 · Photography · 5 AGT · AI Agents · 4 🔭 · Astronomy & Space · 4 AI · AI · General · 3

Top tags

#large-scale-capital ·6 #rust ·5 #collateral-support ·5 #gopro-camera ·5 #gopro ·4 #vedic-astrology ·4 #stock-market ·3 #predictive-analytics ·3 #collateral-partnerships ·3 #ai ·3

MDA

AJ Ajay Kumar

I Read a Gzip Decompressor Written in 250 Lines of Rust — and Compression Finally Made Sense

Most developers use gzip all the time.

Mar 28, 2026 · 5 min read · 32 claps paywalled #rust #decompression

I Read a Gzip Decompressor Written in 250 Lines of Rust — and Compression Finally Made Sense

TCH

AJ Ajay Kumar

Building a Production-Grade API in Rust with Axum, PostgreSQL, SQLx, and JWT

The stack I would seriously consider if I were starting a modern Rust backend today.

May 14, 2026 · 11 min read · 17 claps paywalled #rust #axum

Building a Production-Grade API in Rust with Axum, PostgreSQL, SQLx, and JWT

ECO TCH

AJ Ajay Kumar

Memory Management in C

Static, Automatic and Dynamic Memory Allocation

Dec 26, 2018 · 3 min read · 10 claps #c-programming #memory-leak #malloc

ECO

AJ ajay kumar

Unlocking Large-Scale Capital with Collateral Support for Enterprises

Accessing large-scale capital is a critical step for enterprises looking to expand, invest in new projects, or achieve sustainable growth…

Feb 02, 2026 · 3 min read · 8 claps #large-scale-capital #collateral-support #third-party-collateral

Unlocking Large-Scale Capital with Collateral Support for Enterprises

HUM

AJ Ajay Kumar

The Day Rust’s Time Utilities Started Stealing Secrets

A storytelling case study on malicious crates, typosquatting, and developer-secret exfiltration

Jun 07, 2026 · 11 min read · 6 claps paywalled #rust #cve

The Day Rust’s Time Utilities Started Stealing Secrets

ART SPT

AJ Ajay Kumar

Why is processing a sorted array faster than processing an unsorted array?

Summary: It’s not the cache. It’s your CPU’s branch predictor. Sorting turns a coin-flip branch into one long, predictable run, slashing…

Nov 02, 2025 · 5 min read · 5 claps paywalled #java #c-language #performance

TCH

AJ Ajay Kumar

Resources, Scopes, Permissions & Policies in Keycloak — A Practical Guide for Mapping Legacy RBAC

You’ve got ~250 “capabilities” today (e.g., viewAccount, viewTransaction) granted via user–group membership and the occasional direct…

Oct 18, 2025 · 6 min read · 4 claps paywalled #keycloak #permission #custom-policies

Resources, Scopes, Permissions & Policies in Keycloak — A Practical Guide for Mapping Legacy RBAC

ART HUM ECO TCH

AJ Ajay Kumar

Learning Rust Is Not the Hard Part. Building Production Rust Systems Is.

Syntax is only the entry point. The real challenge is learning how ownership, async, collections, testing, backend architecture, and…

Apr 10, 2026 · 7 min read · 3 claps paywalled #rust #system-programming #cli

Learning Rust Is Not the Hard Part. Building Production Rust Systems Is.

AI TCH

AJ Ajay Kumar

Most FDE/SWE Candidates Prepare for the Wrong Interview

LeetCode alone is not enough. Real FDE/SWE interviews test whether you can connect algorithms to customer-facing systems, integrations…

May 29, 2026 · 8 min read · 1 claps paywalled #forward-deployed-engineer #fde #ai

AJ Ajay Kumar

Beyond the Inverted Index: The Real Engineering Behind Modern Search Engines

When most developers first learn how search engines work, they discover the inverted index and think they’ve uncovered the entire secret.

Jun 13, 2026 · 5 min read · 1 claps #software-development #search-engines #scalable-systems

Beyond the Inverted Index: The Real Engineering Behind Modern Search Engines

SPR ECO

AJ AJAY KUMAR

How to Build an Optimal Portfolio with the Efficient Frontier Calculator (Plus Examples)

The efficient frontier is the simplest honest answer to the question every investor asks How much return can I reasonably pursue for the…

Feb 17, 2026 · 16 min read · 0 claps #efficient-frontier #prediction-markets #financial-planning

How to Build an Optimal Portfolio with the Efficient Frontier Calculator (Plus Examples)

AI ART

AJ Ajay kumar

MCP Architecture Deep Dive

The Players, The Primitives, and The Protocol

Jan 17, 2026 · 14 min read · 0 claps #mcp-architecture #json-rpc #model-context-protocol

SPR

AJ AJAY KUMAR

Personal Year Cycle: How Each Year Changes Your Life Energy

Life does not move in a straight line. Some years feel full of momentum, new beginnings, and bold action. Other years feel slow…

Apr 08, 2026 · 12 min read · 0 claps #personal-year-cycle #life-energy-changes #yearly-life-patterns

Personal Year Cycle: How Each Year Changes Your Life Energy

ECO SOC

AJ Ajay Kumar

Case Study: TARmageddon — CVE-2025–62518 and the Supply Chain Nightmare in Rust’s Async TAR…

Rust is memory-safe. Your supply chain may not be.

Jun 06, 2026 · 11 min read · 0 claps paywalled #rust #cve

Case Study: TARmageddon — CVE-2025–62518 and the Supply Chain Nightmare in Rust’s Async TAR…

SPR

AJ AJAY KUMAR

How to Balance Your Lo Shu Grid for Better Life Energy

The Lo Shu Grid is one of the most interesting tools in numerology because it shows your life energy in a simple 3x3 number chart. Each…

May 04, 2026 · 11 min read · 0 claps #numerology #lo-shu-calculator #missing-number

How to Balance Your Lo Shu Grid for Better Life Energy

AJ Ajay Kumar

GenAI Forward Deployed Engineer Interview Questions: How Strong Candidates Answer MCP, A2A, RAG…

Most candidates prepare for GenAI Forward Deployed Engineer interviews like they are preparing for a vocabulary test.

Jul 04, 2026 · 11 min read · 0 claps paywalled #forward-deployed-engineer #ai #llmops

GenAI Forward Deployed Engineer Interview Questions: How Strong Candidates Answer MCP, A2A, RAG…

MKT ECO

AJ AJAY KUMAR

Risk Reward Calculator Excel for Stock Market Beginners

Trading in the stock market becomes safer and more structured when you know how much money you may lose before thinking about how much you…

Jul 22, 2026 · 10 min read · 0 claps #stock-price #financial-planning #financial-independence

Risk Reward Calculator Excel for Stock Market Beginners

MDA ECO

AJ AJAY KUMAR

Country-Wise Market Heatmap: Which Markets Are Leading in 2026?

A country-wise market heatmap is one of the fastest ways to understand which stock markets are truly leading in 2026. Instead of reading…

Apr 17, 2026 · 10 min read · 0 claps #stock-market #go-to-market-strategy #charts

Country-Wise Market Heatmap: Which Markets Are Leading in 2026?

ECO

AJ AJAY KUMAR

Daily Market Heatmap Strategy: How Traders Use It for Entry & Exit

A daily market heatmap is one of the fastest tools traders use to understand what is happening beneath the headline index move. Instead of…

Apr 17, 2026 · 10 min read · 0 claps #trading-strategy #stock-market-heatmap #market-breadth

Daily Market Heatmap Strategy: How Traders Use It for Entry & Exit

SPR SCI

AJ AJAY KUMAR

Role of Planetary Dasha and Transits in Life and Death Predictions

In Vedic astrology, timing is not a minor detail. It is the living force that turns a birth chart from a static design into a moving life…

Apr 13, 2026 · 9 min read · 0 claps #planetary-dasha #life-timing #karmic-cycle

Role of Planetary Dasha and Transits in Life and Death Predictions

MKT SPR LIF

AJ AJAY KUMAR

Love Calculator Name Match: Check Your Love Score Instantly

Love has always been one of the most powerful emotions in human life. People may meet by chance, connect through friendship, or feel an…

May 20, 2026 · 9 min read · 0 claps #love-calculator #predictive-analytics #zodiac-love-match

Love Calculator Name Match: Check Your Love Score Instantly

SPR MDA BIO LIF

AJ AJAY KUMAR

Funny and Surprising Love Calculator Results Explained

Love calculators have become one of the most entertaining corners of the internet. They are simple, playful, and highly addictive. All a…

Apr 16, 2026 · 8 min read · 0 claps #love-trends #astrology-love-match #love-match-result

Funny and Surprising Love Calculator Results Explained

AJ Ajay Kumar

How do I use valgrind to find memory leaks?

Valgrind is a tool that runs your program in a special sandbox and tracks every heap allocation and memory access. It can then tell you:

Nov 09, 2025 · 8 min read · 0 claps paywalled #valgrind

SPR SCI

AJ AJAY KUMAR

Sun in Astrology: Surya Graha Meaning, Personality, Career, Health, and Spiritual Power

Sun in astrology is one of the most important subjects in both Vedic and Western astrology. In Vedic astrology, the Sun is known as Surya…

Mar 23, 2026 · 8 min read · 0 claps #sun-in-astrology #vedic-astrology-planets #astrology-career-success

Sun in Astrology: Surya Graha Meaning, Personality, Career, Health, and Spiritual Power

MKT SCI ECO HUM

AJ AJAY KUMAR

Emotional Depth and Psychological Strength During Mars in Scorpio

When Mars moves into Scorpio, the collective atmosphere transforms in a way that is immediately palpable. This is not a passive transit. It…

Dec 03, 2025 · 7 min read · 0 claps #strength-training #in-depth #project-scorpio