7 Core Go Concepts Developers Should Master Beyond Basic Syntax

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A guide aimed at Go developers in 2026 outlines seven concepts essential for writing production-quality software beyond basic syntax. The topics covered include goroutines and concurrency, explicit error handling, and implicit interface satisfaction, each of which shapes Go's distinct design philosophy. The article also emphasizes the importance of project structure, package management, and building real HTTP APIs to understand Go's backend capabilities. Built-in testing support is highlighted as an underrated strength, allowing developers to write reliable tests without third-party frameworks. The guide concludes by noting Go's strong presence in cloud-native and DevOps tooling, making these deeper concepts especially valuable for engineers working in those domains.

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How to Build Variable-Duration Appointment Slot Scheduling in Laravel

A Laravel developer has outlined a gap-based approach to appointment scheduling that handles services of varying durations, such as 15-minute consultations and 60-minute procedures. Rather than generating fixed time slots, the method treats a doctor's availability as a continuous timeline and identifies open gaps between existing bookings. The algorithm retrieves all booked appointments within a working window, calculates the free intervals between them, and checks whether each gap is long enough to fit the requested service. Overlap detection logic ensures that only genuinely available start times are returned, with configurable increment intervals of 5, 10, or 15 minutes. The approach is implemented using Laravel's Eloquent queries and Carbon date handling to iterate through the schedule and build a list of valid slots.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

AWS Community Builder Launches Free Event Management Platform Eventinary

A developer who received AWS credits through the AWS Community Builder program used them to build Eventinary, a free event management platform aimed at technical communities. The platform supports the full event lifecycle, including registrations, speaker management, scheduling, digital invitations, and attendee tracking. It is designed to serve meetups, workshops, conferences, and hackathons without charging organizers a subscription fee. Built on AWS cloud infrastructure with scalability and reliability in mind, the platform is intended as a way for the developer to give back to the community that supported him. The core idea is that resources received as a community builder are reinvested to help other community builders run their events more easily.

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ProgrammingDEV Community ·

JavaScript Variables Explained: Differences Between let, const, and var

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