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How a Hash Map Works (and Why Your PHP Array Is Secretly One)
Blog Summary
Finding one item among millions without searching sounds like cheating. It's a hash map. Buckets, hash functions, collisions, why lookups are O(1) on average, a 2011 security scare, and what it means for PHP arrays.
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Six Mistakes With Laravel Eloquent Events and Observers (and the Fixes)
Blog Summary
Observers feel like magic until an import sends hundreds of emails and a bulk update skips your audit log. Six common Eloquent event mistakes, why each one happens, and the fix in Laravel 12.
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Concurrency vs Parallelism, Explained With a Kitchen
Blog Summary
One cook can serve dinner for six by never standing still while the water boils. That's concurrency. A kitchen in four scenes, with Node and Laravel examples, and how to tell which one your slow code needs.
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Laravel Queues in Depth: Chains, Batches and Unique Jobs
Blog Summary
One job is easy. Real work is steps in order, hundreds of jobs with one finish line, and users who click twice. Here's how chains, batches, unique jobs and rate limits fit together, gotchas included.
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Handling Money in Code: Integers, Decimals and Rounding Done Right
Blog Summary
In PHP, intval(19.99 * 100) gives you 1998. That missing unit is how money bugs start. Why floats and money don't mix, how to use minor units and DECIMAL columns, and the rounding rules that keep invoices adding up.
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Eloquent Relationships You Might Be Underusing (and the Queries They Replace)
Blog Summary
Most Laravel apps use hasMany and belongsTo, then hand-write everything else. hasManyThrough, latestOfMany, withSum, whereRelation and morphs can replace pluck-and-loop code with cleaner, faster queries.
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01. About Shiroz
Mohammed Shiroz
Hi, I'm Mohammed Shiroz, a software engineer and AI enthusiast from Sri Lanka who turns ideas into intelligent, real-world solutions. With over 9 years of hands-on experience, I currently lead real estate ERP development at Kate Group, a...
02. Last Posts
03.My Projects
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