Fan Builds GeoGuessr-Style Browser Game for Super Mario Odyssey

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A developer has created OdysseyGuessr, a browser-based game inspired by GeoGuessr that tests players' memory of Super Mario Odyssey's in-game worlds. Players are shown a screenshot from one of the game's Kingdoms and must pin the correct location on a map, with precision determining the score. The game supports both single-player modes with customizable rounds and real-time multiplayer featuring a 5,000 HP battle system. Community members can submit locations, which are reviewed through built-in admin moderation tools. OdysseyGuessr is an unofficial fan project with no affiliation to Nintendo and is currently available to play in the browser.

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Cisco EEM: The On-Box Automation Engine Most Network Engineers Ignore

Embedded Event Manager (EEM) is an event-driven automation framework built into Cisco IOS, IOS-XE, and NX-OS that allows network devices to monitor and respond to events without any external server or orchestration platform. The framework operates on a simple model: when a defined event occurs, the device automatically executes one or more configured actions, packaged together as an 'applet.' EEM can respond to a wide range of triggers including syslog patterns, SNMP threshold breaches, CLI commands, timers, and interface counter changes. Its key advantage over external automation tools is independence — it continues to function even when the WAN is down, the network management system is offline, or remote access is unavailable. This article is the first in a five-part series aimed at helping network engineers move beyond basic port-recovery use cases and unlock the broader capabilities of on-box automation.

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Developer Builds Real-Time Solana-Snowflake Pipeline to Score World Cup Fan Conviction

A developer created FERVOR, a real-time conviction oracle that tracks World Cup fandom by analyzing on-chain wallet behavior across 16 country tokens on Solana. The system ingests live swap and transfer data via Helius, processes it through a six-stage pipeline using Snowflake Dynamic Tables and Cortex ML, and writes computed scores back to a Solana devnet oracle account every five minutes. Conviction is measured by metrics such as how long wallets hold a team's token, with Argentina currently leading at an average hold time of 109 days. The project was built as a Weekend Hackathon submission targeting best use of both Snowflake and Solana, demonstrating a bidirectional data loop between the two platforms. A live Streamlit-in-Snowflake dashboard surfaces analytics including anomaly detection, forecasts, and AI-generated briefs without requiring external hosting.

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ProgrammingDEV Community ·

BroncoCTF 'Lovely Login' Challenge Solved via robots.txt Leak, Not Injection

A Capture The Flag web challenge called 'Lovely Login' featured a login form backed by an Express API that appeared vulnerable to NoSQL operator injection, but server-side type-checking blocked all such attempts. The real vulnerability was discovered through standard web reconnaissance: the site's robots.txt file contained a disallowed path pointing to an internal documentation page at /security, along with a base64-encoded string that decoded to a list of valid usernames. The /security page revealed that user passwords were simply the reverse of their usernames — a predictable, non-random derivation scheme. Combining the decoded username list with this logic immediately produced valid credentials for the admin account. The root cause was twofold: sensitive internal notes were left publicly accessible in production, and robots.txt was mistakenly relied upon as an access control mechanism rather than a mere crawler directive.

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ProgrammingDEV Community ·

C++ STL Explained: Containers, Algorithms, and Iterators for DSA Learners

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