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ProgrammingDEV Community ·
Hobbyist Developer Builds Multilayer Perceptron From Scratch Using Julia
A self-taught machine learning enthusiast has documented their journey learning ML concepts and implementing a Multilayer Perceptron (MLP) from scratch without professional guidance. After completing two Udacity Nanodegree programs in AI and Deep Learning, the author felt unsatisfied with their understanding of the underlying mathematics and decided to derive it independently. They manually worked out the calculus for both the feed-forward and back-propagation phases, then implemented the algorithms in Julia — a high-level programming language — on both CPU and GPU. The author chose to build an MLP rather than a more complex neural network because they limited themselves to implementing only what they could first prove mathematically. A follow-up post is planned covering data augmentation techniques and image processing functions such as rotations and distortions.
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ProgrammingDEV Community ·
Claude Code Config Keys Can Silently Fail If Placed in the Wrong Settings File
A developer discovered that certain Claude Code configuration keys, including autoMode, have no effect when placed in a project-level .claude/settings.json file, producing no errors or warnings. Claude Code's settings reference defines 223 configuration keys, of which 71 are scope-restricted, meaning they only work from specific files such as the user-level ~/.claude/settings.json or managed settings. The silent failure made debugging difficult, as valid JSON and startup logs gave no indication that the keys were being ignored. The developer found their own manually maintained list of scoped keys was missing an entire category — 23 'user or managed' keys, including autoMode. In response, they built an open-source CLI checker, ccheck, that warns users when a config key is placed in a file where it has no effect.
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IndiaTimes of India ·
Masked UK protesters target Pakistan U-19 cricket team in asylum seeker mix-up
A group of masked protesters gathered outside a Portsmouth hotel, mistakenly believing it housed asylum seekers. The hotel was in fact accommodating members of Pakistan's Under-19 cricket team, who were in the city for a tour. A local councillor intervened to clarify the misunderstanding, after which the protesters dispersed. The incident unfolded against a backdrop of growing tensions in Portsmouth over asylum seeker arrivals. The England and Wales Cricket Board has since launched a security review for the visiting Pakistani squad.
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IndiaTimes of India ·
NIA Chargesheet Reveals Red Fort Bomber Had Initially Targeted Lal Mandir
The National Investigation Agency has filed a chargesheet detailing the vehicle-borne IED attack near Red Fort in New Delhi. According to the chargesheet, the bomber had originally planned to strike Lal Mandir but changed course due to heavy traffic and a police presence in the area. He ultimately detonated the explosive device near Gate No. 4 of Red Fort, killing eleven people. The bomb was triggered remotely through a mechanism concealed in the attacker's shoe. The incident is noted as the first vehicle-borne IED attack ever recorded in the national capital.
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ProgrammingDEV Community ·
AI Conversation Management Is Becoming a Hidden Productivity Drain
Many regular AI users are finding that preserving useful outputs from tools like ChatGPT and Claude creates a secondary workflow of copying, titling, tagging, and filing information into apps like Notion or Obsidian. The core problem is that valuable insights often emerge unexpectedly mid-conversation, making it awkward to save entire chats while also impractical to manually sift for the few worthwhile exchanges. Saving everything leads to cluttered knowledge bases that are rarely revisited, while saving nothing risks losing important reasoning or decisions. The challenge is less about storage and more about retrieval — knowing how to quickly return to a specific, useful moment across hundreds or thousands of past conversations. As AI becomes embedded in more daily workflows, this knowledge-management overhead is growing into a significant and largely unsolved burden.
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ProgrammingDEV Community ·
Developer ships a zero-impact bug fix — and explains why it still belonged in the codebase
A developer building CauterRule, an open-source tool that converts repeated AI agent failures into reusable rules, shipped a code fix that ultimately dropped zero trajectories in testing. The fix, dubbed Fix 6, was designed to filter out 'near-miss recovery' trajectories — cases where an agent initially failed but later self-corrected — before they could be misclassified as real failures. However, the near-miss test corpus contained only success=False trajectories, meaning the fix's trigger condition was never met. The actual problem was later resolved through a separate mechanism, Fix 8, which reclassified recovery trajectories at the simulator level. The developer chose to keep Fix 6 in the codebase regardless, citing the soundness of its logic and the value of documenting the hypothesis it was built on.
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IndiaNDTV ·
Indore Razes 50+ Illegal Shops and Factories in Riverbank Crackdown
Authorities in Indore launched a major anti-encroachment drive targeting illegal structures along river banks in the South Toda area. The operation resulted in the demolition of more than 50 unauthorised shops and over 45 illegal factories. Several individuals were arrested in connection with the encroachments. Officials stated the drive was aimed at clearing commercial zones that had been illegally occupied along the riverbanks.
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WorldBBC World ·
Republicans Gather in Texas as Oil Prices Hit $100 a Barrel
The Republican Party held its first midterm elections convention in Texas amid rising global oil prices. Crude oil prices reached $100 per barrel at the time of the event. BBC correspondent Sarah Smith was present at the convention to gauge Republican sentiment. The gathering came at a politically sensitive moment, with energy costs emerging as a key issue heading into the midterms.
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ProgrammingDEV Community ·
Anthropic's claude.md requirement raises fragmentation fears among AI developers
Anthropic's CEO announced that its development systems will only support a proprietary markdown file called claude.md for AI skill instructions, diverging from the AGENTS.md convention used by other AI agents. Critics argue this forces developers and companies to maintain duplicate configuration files that serve identical purposes, depending on which AI agent they use. Large enterprises with hundreds or thousands of such files have already voiced objections, as they would need to replicate them solely for Anthropic compatibility. The situation draws comparisons to Microsoft's early browser-era decision to bypass W3C standards, which led to fragmented, patch-heavy web development. The author uses this episode to revisit the broader case for digital sovereignty, arguing that dependence on a handful of dominant AI providers leaves businesses vulnerable to unilateral commercial decisions.
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IndiaTimes of India ·
Tabu's three-decade career built on diverse roles, luxury assets, and upcoming Drishyam finale
Veteran actress Tabu, who began her film career in 1985, has appeared in approximately ninety films over three decades. She owns a luxurious bungalow in Hyderabad, equipped with a personal gym and fish pond, as well as an apartment in Mumbai. Her assets also include a notable car collection featuring luxury vehicles and a classic Ford Mustang. Tabu is set to reprise her role as Meera Deshmukh in 'Drishyam: The Conclusion', scheduled for release on October 2, 2026.
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ProgrammingDEV Community ·
Why a Green CI from an AI Agent Is Not Enough to Approve a Merge
When an AI agent reports that tests pass, developers should treat it as a claim to verify rather than a signal to merge. Experts recommend a structured review sequence: first check which files changed and whether they match the original intent, then scrutinize test assertions to ensure they would actually fail if the original bug returned. Common pitfalls include vague assertions, snapshot tests that absorb any behavior, and coverage that skips edge cases like invalid input, missing auth, or timeouts. Developers are also advised to reproduce the test run locally using the same command and environment the agent claimed to use, since an unverifiable green result is not a true pass. The core principle is that agents optimize for appearing covered, while human reviewers must ensure the suite genuinely breaks when something is broken.
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SportsESPNcricinfo ·
Santner skips BBL to focus on New Zealand Test and white-ball duties
New Zealand allrounder Mitchell Santner has turned down an opportunity to play in the Big Bash League in order to prioritize his international commitments. The spinner is keen to feature more regularly in Test cricket for New Zealand, having established himself as a key figure in the format. Santner also expressed his desire to continue leading New Zealand's white-ball sides. His decision reflects a deliberate choice to put national duty ahead of lucrative franchise cricket opportunities.
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ProgrammingDEV Community ·
JavaScript and TypeScript Core Concepts Explained With Real Production Code Examples
A developer-focused article series aims to go beyond textbook definitions of JavaScript and TypeScript concepts by grounding them in real production scenarios. The first installment covers variable declarations, closures, and related patterns using practical examples such as pagination state and API client factories. The author argues that standard interview-prep explanations — like toy counter functions for closures or simple diagrams for the event loop — are insufficient for recognizing these patterns in actual codebases. Using a pagination example, the piece illustrates why choosing between var, let, and const carries semantic meaning beyond style, signaling to readers which values are fixed and which change. A closure-based API client factory is then used to show how functions can retain configuration across multiple independent instances without shared state or classes.
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ProgrammingDEV Community ·
Developer Advocates Stress-Testing Assumptions Before Writing Any Code
A software developer argues that AI tools make it dangerously easy to build extensively on unvalidated ideas, since code can be generated faster than the underlying assumptions are ever tested. His approach involves identifying the core claim hidden inside each decision and designing the cheapest possible experiment to disprove it before committing to a full build. He shares examples from two personal projects where early testing either exposed an incompatible system environment or revealed that a promising retrieval technique failed to outperform an existing one, saving significant rework in both cases. He also stresses defining clear, written success criteria before running any experiment, arguing this prevents developers from reinterpreting weak results as encouraging. The broader point is that as AI lowers the cost of implementation, it equally lowers the cost of building the wrong thing — making disciplined idea-killing more valuable, not less.