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ProgrammingDEV Community ·

How to fix CJK font rendering and CSS gaps when using Satori for OG images

A developer building a Korean saju reading service encountered three key failures while generating share cards and Open Graph images using Satori via Next.js's ImageResponse. The first issue was missing hanja glyphs, solved by passing an ordered font fallback array — a Korean handwriting face for Hangul and Latin, followed by a hanja-specific font — mirroring CSS unicode-range logic. The second problem was Satori's lack of support for mask-image, filter, and backdrop-filter, requiring all styling to be written inline in JSX rather than pulled from an external stylesheet. To work around this, the developer created a small inline token mirror of the site's light-theme CSS variables and committed to light-only card output. A third practical constraint noted was that Satori requires TTF or OTF font files, not woff2, and font paths must be hardcoded literals so Vercel's file tracing can correctly bundle assets at build time.

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ProgrammingDEV Community ·

Why Developers Are Shifting to On-Device AI Models for Production Systems in 2026

A major architectural shift is underway in software development, with engineers moving away from cloud-based AI APIs toward running large language models locally on their own hardware. The primary drivers are compounding latency issues in multi-step AI agent loops, where each cloud round-trip adds hundreds of milliseconds, making user-facing applications feel sluggish. Rising API costs, which scale with usage and token complexity, have also made cloud inference financially unsustainable for high-frequency production tools. Advances in quantization techniques — particularly 4-bit formats like Q4_K_M — now allow large models to run efficiently on mid-range consumer GPUs with minimal accuracy loss. Local inference engines have also introduced grammar-constrained decoding, which forces models to produce valid structured outputs, improving the reliability of automated agent pipelines.

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ProgrammingDEV Community ·

Qt Remains a Top Choice for Cross-Platform Desktop Apps in 2026

Qt continues to be a leading framework in 2026 for building desktop applications that run natively on Windows, macOS, and Linux from a single C++ codebase. The framework offers two UI approaches: Qt Widgets for traditional, form-heavy desktop interfaces and Qt Quick/QML for modern, animated, and touch-friendly designs. Unlike web-based wrappers such as Electron, Qt compiles to native executables, resulting in better performance and a smaller memory footprint, though it requires C++ expertise. Beyond UI, Qt also covers networking, databases, concurrency, and file handling, reducing the need to integrate third-party libraries. Its maturity and long-term support make it particularly suitable for industrial, scientific, and enterprise software that demands years of maintenance.

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IndiaTimes of India ·

Gavaskar Opposes Free Hits in Tests, Backs Financial Penalties for No-Balls

Cricket legend Sunil Gavaskar has firmly rejected the idea of introducing free hits for no-balls in Test cricket. He argues that free hits give batters an unearned advantage and do not belong in the longest format of the game. As an alternative, Gavaskar proposes escalating financial penalties for bowlers who repeatedly overstep, potentially holding their coaches accountable as well. He also suggests that teams should be empowered to vote on additional punishments for on-field errors to foster greater accountability.

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IndiaTimes of India ·

UP Man Throws Acid on Ex-Fiancee and Her Sister After Engagement Called Off

A man named Harsh Bhati allegedly threw acid at his former fiancée and her sister in Uttar Pradesh after their engagement was broken off. The family of the victims overpowered and held him until police arrived. The engagement had been dissolved after the family reportedly discovered Bhati's alleged substance abuse. Both sisters sustained serious injuries and have been admitted to a hospital. Authorities are currently investigating the case.

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ProgrammingDEV Community ·

Developer Builds Code-Focused Typing Trainer to Fix Slow Speeds on Symbols

A developer frustrated by slow typing on programming symbols like `=>`, `{}`, and `!==` built Typre, a free, open-source typing practice tool that uses only real code snippets. Unlike conventional typing trainers that rely on prose, Typre offers language-specific pools of actual Go, SQL, React, and Rust code across short, medium, and long run lengths. The tool also includes a punctuation-only drill mode, a shortcut trainer covering 61 VS Code and Vim commands, and standard metrics like WPM, accuracy, and daily streaks. Real-time races, per-language leaderboards, and challenge links are also available, though the developer acknowledges that WPM scores are verified only client-side and the leaderboard should not be treated as authoritative. Built with React 19, TypeScript, and Supabase, the project is live at typre.dev under an MIT licence.

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IndiaTimes of India ·

Missing Picasso Etching Worth Up to $50,000 Found in Vacant Apartment After 8 Years

A Picasso etching that had been missing since 2018 was unexpectedly discovered by a landlord inside a vacant apartment. The artwork is estimated to be worth between $35,000 and $50,000. The landlord grew suspicious upon noticing the artist's signature and had an antique dealer verify its authenticity. Police commended the landlord for his honesty in returning the piece rather than keeping it. The gallery owner, who had long sought the etching, welcomed its recovery as an emotional moment.

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ProgrammingDEV Community ·

How to Detect and Fix Catastrophic Backtracking in JavaScript Regexes

A developer maintaining CodeSwap, a browser-based developer-tools site, documented a repeatable audit process for identifying JavaScript regular expressions vulnerable to ReDoS, or Regular Expression Denial of Service attacks. The core risk arises when nested or overlapping quantifiers allow the regex engine to explore an exponentially growing number of match paths before rejecting a crafted input. Testing the pattern /^(a+)+$/ with incrementally longer hostile strings revealed that every two additional characters roughly quadrupled processing time, reaching over six seconds for just 30 characters. OWASP identifies nested quantifiers and overlapping alternatives inside repetition as key warning signs of this vulnerability. The recommended fix is to eliminate ambiguous repetition — for example, replacing /^(a+)+$/ with /^a+$/ — and to always test suspicious patterns in an isolated environment using short, controlled inputs rather than on a live request thread.

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ProgrammingDEV Community ·

Five Common Casbin model.conf Mistakes That Silently Break Permissions

Casbin is a cross-language permission framework where model.conf defines access rules and a separate policy file stores the data, but beginners frequently misconfigure it with no error feedback. The five most reported mistakes include swapping the order of request or policy definition columns, failing to add the required role-assignment rows in the policy file alongside the role definition, and misunderstanding how policy effects like priority denial work. Developers using the cached synced enforcer often mistake stale cache results for model errors, delaying debugging. Because model.conf fails silently by returning false, the Casbin community is now gathering real user pain points to build a plain-language tool that auto-generates correct configurations.

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ProgrammingDEV Community ·

Developer shares input validation lessons from building 77 browser calculators

A developer building 77 free browser-based calculators for a platform called Efficienco found that handling user inputs correctly was far harder than writing the underlying formulas. Key lessons included distinguishing between empty fields and invalid entries, rather than treating all falsy values as missing. Domain-specific range checks, unit conversion to a single base unit before calculation, and preserving full numeric precision until the final display step were identified as critical patterns. The developer also noted that hidden assumptions — such as waste factors or efficiency rates — should be surfaced and made editable to avoid giving users a false sense of precision. The article focuses entirely on pre- and post-formula logic, offering reusable validation patterns applicable across varied calculator types.

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ProgrammingDEV Community ·

How to Show Gratitude to React Developers: Community Ways to Give Back

A developer who has successfully used React in a commercial Enterprise Content Management system is looking for ways to thank the framework's creators. The user praised React's component-based architecture and its state and props model for managing large codebases. They explored React's official site and GitHub repository but could not find clear channels for financial or non-financial contributions. Possible ways to give back include reporting bugs, contributing to the open-source codebase, creating learning materials, or promoting the framework within the developer community. The post invites advice from others on meaningful ways to express appreciation to the React team and its broader ecosystem.

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IndiaTimes of India ·

India becomes key petrol supplier to Russia amid Ukraine drone strikes on refineries

India has significantly ramped up gasoline exports to Russia following Ukrainian drone attacks that disrupted Russian refinery operations. Russian gasoline imports reached record levels in August, with India playing a central role in meeting that demand. A considerable portion of these shipments were carried out using sanctioned vessels and complex cargo transfer methods. Analysts suggest that India's growing imports of Russian crude oil are closely linked to the expansion of this reverse fuel export relationship.

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IndiaNDTV ·

Panjab University LLB Student Found Dead by Suicide in Campus Hostel

A law student named Chatanniya Singh was found dead by suicide in a hostel on the Panjab University campus, police confirmed on Saturday. Singh, a resident of Panipat, Haryana, was enrolled in the LLB program at the University Institute of Legal Studies (UILS). Authorities have identified the deceased and are investigating the circumstances surrounding his death. No further details regarding a possible motive have been officially disclosed so far.

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ProgrammingDEV Community ·

Developer Builds VSCode Plugin to Display Flat AI-Generated Files as Virtual Folder Trees

A developer found that an AI coding agent had created 340 flat files in a single directory within one week, making navigation difficult for humans. To solve this, they built a plugin called Logical Folders for VSCode and IntelliJ that parses underscore-separated filenames and renders them as a virtual directory tree. No files are moved on disk — the hierarchy exists purely as a visual layer within the IDE. The plugin works by splitting filenames on a configurable separator character and mapping the segments to tree nodes using TypeScript. It includes performance safeguards such as a default 10,000-file cap to prevent slowdowns in large monorepos.

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ProgrammingDEV Community ·

Three Open-Source AI Tools Aim to Strengthen Defensive Security Workflows

Developers have introduced three open-source AI-powered tools designed to support defensive cybersecurity operations. The tools focus on security findings reporting, AI-assisted alert triage, and log anomaly detection. Built with auditability in mind, the lightweight utilities target security teams seeking transparent, inspectable AI assistance. The tools — SentinelMesh, an AI Security Report generator, and an LLM-based Log Anomaly Detector — are documented via a hub called Ax0r. Their small footprint and open-source nature make them accessible for teams looking to integrate AI into security workflows without relying on black-box solutions.

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IndiaTimes of India ·

NASA Chief Backs Space-Based Data Centers Alongside Musk and Pichai

NASA Administrator Jared Isaacman has voiced support for relocating data centers to Earth's orbit, joining tech leaders Elon Musk and Sundar Pichai in backing the concept. The initiative would harness solar energy in space while reducing the environmental footprint of ground-based facilities. Growing public resistance to terrestrial data centers, driven by economic and environmental concerns, is adding momentum to the idea. Technology companies are increasingly exploring space-based infrastructure as a long-term solution for powering future AI development.

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IndiaNDTV ·

Netanyahu's Son Evacuated from US to Israel Amid Serious Iranian Threat

Israeli Prime Minister Benjamin Netanyahu's son has been flown back to Israel from the United States due to a significant security threat attributed to Iran. The evacuation follows Netanyahu's statement last week in which he claimed Iran had attempted to assassinate one of his sons. The move indicates that Israeli security officials assessed the threat as credible and serious enough to warrant immediate action. The incident reflects the ongoing and escalating tensions between Israel and Iran, which have extended beyond the battlefield to targeting individuals abroad.

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