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ProgrammingHacker News ·
Introducing Muse Spark 1.3
Article URL: https://research.meta.ai/blog/introducing-muse-spark-1-3 Comments URL: https://news.ycombinator.com/item?id=49541149 Points: 15 # Comments: 0
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ProgrammingDEV Community ·
Team CR7 Builds Python Dependency Audit Tool Using Only Standard Library in 72 Hours
A three-person team called CR7 — comprising Anant, Ahil, and Dhanvin — built DepZero, a static code analysis tool, during the Zero Dependency 2026 hackathon organised by Hackathon Raptors. The challenge required participants to use only Python's standard library, with no third-party packages or pip installations permitted. DepZero uses Python's built-in AST module to scan source files, map where imported packages are actually used, and identify cases where standard-library modules could replace external dependencies. The tool can parse both pyproject.toml and setup.py manifests without executing them, flagging any dynamic declarations it cannot safely resolve. It targets Python 3.11 and above, leveraging newer standard-library features to keep the implementation clean and fully self-contained.
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TechnologyTechCrunch ·
Uber Bids $15B for Delivery Hero With Board Support
Uber has made a $15 billion takeover bid for food delivery giant Delivery Hero. The company's board of directors has backed the proposed acquisition. If the deal receives full regulatory and shareholder approval, it would create one of the largest food delivery platforms globally. The merger would significantly expand Uber's footprint in international food delivery markets.
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IndiaTimes of India ·
Smart Forecast Models Could Unlock $200M Worth of Water Annually in California
Advanced weather forecasting models could significantly boost water availability across California, according to new findings. A strategy known as Forecast-Informed Reservoir Operations (FIRO) could generate an additional 315,000 acre-feet of usable water each year. This approach benefits both agricultural and urban water users, offering substantial economic value estimated at up to $200 million annually. Beyond water supply, FIRO also improves flood management and supports environmental water flow. The method is seen as a key tool for conservation efforts and future water infrastructure planning in the state.
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ProgrammingDEV Community ·
Shared ERP credentials between dev and prod silently broke user authentication
A production application began returning authentication errors for real users even though all infrastructure health checks showed normal status. The root cause was traced to a development activity that generated a new login against an external ERP, which shared the same credentials as the production environment. Because the ERP vendor did not isolate sessions per environment, creating a new session likely invalidated the cached token that production was actively using. In one instance the outage went undetected for days, as background jobs kept running but returned zero records with no alert triggered. The incident highlighted a critical distinction: technical health — processes running and endpoints responding — does not guarantee operational health, meaning the system is actually delivering its expected business output.
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ProgrammingDEV Community ·
Too Many Alerts Kills Alerting: The Case for Cutting Monitoring Noise
A software team was receiving 47 overnight alerts, yet only 2 required immediate action — causing engineers to start ignoring their phones altogether. The author spent months deleting alerts rather than adding them, reversing the common instinct to create new rules after every missed incident. A key guiding principle emerged: if an alert does not warrant waking someone from sleep, it should be a dashboard metric to review the next day, not a live notification. Shifting dozens of rules from the wake-up category to the inform category led to fewer nightly alerts and, paradoxically, faster response times to genuine incidents. The author also advocates alerting on user-facing symptoms rather than technical causes, arguing that discernment and deliberate silence are the true marks of effective system observability.
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ProgrammingDEV Community ·
Excel Data Cleaning Guide Covers Filters, Sorting, Validation, and Key Functions
A tutorial published on DEV Community outlines how Microsoft Excel can be used to clean and analyze raw data for business insights. The guide covers core tools including filtering, which temporarily hides irrelevant rows, and sorting, which physically reorders data based on chosen criteria. It also explains conditional formatting for visually flagging trends or duplicates, and data validation for restricting cell inputs to maintain accuracy. Aggregation functions such as COUNTIF, SUMIFS, and statistical measures like mean and median are highlighted for data analysis. Additional Excel features covered include text functions like CONCAT, TRIM, and PROPER, as well as date and time functions for working with time-based data.
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WorldBBC World ·
Canadian Officials Slam Hegseth Over Mockery of Canada's Cadet Programme
US Defence Secretary Pete Hegseth has drawn sharp criticism from Canadian officials over an apparent online post mocking members of Canada's cadet programme. Senior Canadian figures described the behaviour as unbecoming of someone holding such a high-ranking government position. The incident has added fresh tension to the already strained relationship between Canada and the United States. Officials suggested the conduct fell well below the standards expected of a serving defence secretary.
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ProgrammingDEV Community ·
Kubernetes amplifies code quality issues rather than fixing them, engineer warns
Software engineer Sergey Shinder argues that Kubernetes does not make fragile applications robust — it only makes already-robust applications easier to operate at scale. He notes that poor practices such as improper process shutdown handling or storing state in local memory are exposed and amplified by the platform's ephemeral nature. Shinder cautions that small teams running a handful of services with modest traffic often face unnecessary operational complexity by adopting Kubernetes prematurely. The overhead of managing clusters, certificates, networking, and resource tuning carries a real human cost that a well-configured single machine can avoid. His personal rule is to introduce Kubernetes only when the pain of operating without it becomes concrete and measurable, not as a trend-driven choice.
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ProgrammingDEV Community ·
Developer Builds Scored Decision-Making Assessment Tool for Wealth Platform RichifyNow
A developer created an interactive decision-making assessment tool for RichifyNow, a platform covering wealth building, online business, and risk management. Rather than building a standard calculator, the goal was to convert user answers into weighted scores across multiple categories such as revenue, marketing, and operations. The tool classifies overall scores into priority levels and generates targeted recommendations based on weak category results. Input validation was built in to prevent unreliable outputs from incomplete responses. The developer also separated the scoring logic from the user interface to make the codebase easier to test and maintain.
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ProgrammingDEV Community ·
Developer Spent 5 Months Building AI Coding Assistant Memory After It Failed Basic Recall
A developer discovered that coding assistants cannot recall past project decisions, such as architectural choices or error-handling strategies, when opened in a fresh chat session. After his own assistant failed a simple memory test, he spent five months building a dedicated memory engine for AI coding tools. His key finding was that simple conversation storage and similarity search are insufficient, as they cannot resolve contradictions or match semantically related but differently worded discussions. Instead, he found success by extracting discrete facts from conversations, connecting them to establish which claims supersede others, and constructing answers from those relationships at query time. He also warned that swapping embedding models on an existing database silently corrupts recall without throwing any errors.
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ProgrammingDEV Community ·
Apache Airflow 3.3 Adds Task State Store, Pluggable Retries, and Multi-Language Support
Apache Airflow released version 3.3.0 on 6 July 2026, followed by 3.3.1 approximately five weeks later, as a focused incremental update rather than a major architectural overhaul. The release introduces five key improvements, including a first-class key-value state store for tasks and assets (AIP-103) that persists across retries and reruns, addressing long-standing workarounds involving XComs and global Variables. Pluggable retry policies (AIP-105) allow engineers to handle specific failure scenarios such as repeated 401 errors more gracefully, while per-run bundle version control prevents reruns from silently picking up code from newer deployments. Experimental support for Java and Go task implementations via a new Coordinator layer (AIP-108) broadens the language options available to data engineers. The release also expands asset partitioning capabilities and introduces a scheduler-managed state for human-in-the-loop approval steps, reducing unnecessary resource consumption during manual review periods.
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ProgrammingDEV Community ·
How to Clean and Prepare Data in Excel Before Analysis
Excel is a widely used tool for data analysis, but raw datasets often contain blank cells, duplicates, inconsistent entries, and formatting issues that must be resolved before any meaningful analysis can begin. Data cleaning involves standardizing inconsistent values, handling missing information appropriately, and removing or investigating duplicate and illogical records. Analysts are advised to work on a duplicate sheet to preserve the original dataset as a reference. Once cleaned, Excel features such as filters, sorting, Pivot Tables, and text functions can be applied to explore and interpret the data more effectively. Multilevel sorting and conditional filters further help users focus on specific subsets within large datasets.
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ProgrammingDEV Community ·
Developer revisits two-year-old code, finds silent failures and misleading comments
A software developer recently returned to an old side project to retrieve a utility function and ended up spending two hours dissecting code that felt almost unrecognizable. Among the issues discovered were an overloaded function that hit the database, sent emails, and mutated objects — all under a misleading name — and a 12-argument function with undocumented boolean flags. A stale comment falsely described a recurring interval as running only once, while an empty catch block had silently swallowed database errors with no trace left behind. Poor variable naming, such as data, data2, and finalData, forced the developer to trace logic line by line to understand basic data flow. The reflection highlights how individually reasonable shortcuts — taken under deadline pressure or mid-problem focus — can compound into code that obscures its own behavior and erases evidence of its own failures.
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ProgrammingDEV Community ·
Flutter Packages Bring Apple On-Device AI Features to iOS and macOS 26 Apps
A developer has released three Flutter packages that tap into Apple's on-device AI frameworks available on iOS 26 and macOS 26, requiring no API keys or server infrastructure. The packages cover on-device language model sessions with schema-constrained output, Apple's Image Playground for streaming image generation, and RoomPlan-based LiDAR room scanning that returns structured geometry and USDZ models. The language model supports tool calling and structured JSON output natively, eliminating the need for error-prone prompt engineering around hosted APIs. Image generation streams progressive previews to the user rather than showing a static spinner, improving perceived performance despite taking roughly 7–10 seconds per image. All three packages include capability checks, as the features are strictly limited to Apple hardware running iOS 26 or macOS 26 and newer with no fallback polyfill provided.
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ProgrammingDEV Community ·
How Engineering Teams Can Build Reproducible Audio-Extraction Pipelines
Engineering teams that regularly extract audio from recorded video often struggle with disorganized assets, inconsistent outputs, and no clear provenance trail. A structured approach treats audio like a software build artifact, with versioned inputs, explicit extraction parameters, and SHA-256 hashes stored in a per-deliverable manifest. Teams are advised to maintain a single canonical input directory per recording session using sortable naming conventions, alongside a version-controlled extraction job. Key technical decisions — such as codec type, channel layout, and sample rate — must be made explicitly rather than left to tool defaults to avoid silent quality loss. This workflow ensures that any future question about a clip's origin, reproducibility, or compliance can be answered from the recorded metadata.
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ProgrammingDEV Community ·
Two Timing Rules That Eliminate Loading Spinner Flicker in Flutter Apps
A common Flutter pattern uses a boolean flag to show a loading spinner during API calls, but this causes a flickering effect when responses arrive in under 100 milliseconds. Research by Jakob Nielsen established that actions completing below 100ms feel instantaneous, meaning a briefly flashed spinner creates visual noise rather than useful feedback. Developers can fix this by introducing a reveal delay — typically around 140 milliseconds — so that spinners only appear if an operation actually takes long enough to be noticeable. A second rule requires that once a spinner does appear, it stays visible for a minimum duration, around half a second, to prevent an equally jarring instant disappearance. Together, these two timing rules — a delayed reveal and a minimum display duration — address the root cause of spinner flicker without changing error-handling logic.
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IndiaNDTV ·
Trump Says He Is Glad Prince Harry and Meghan Have Left the US
US President Donald Trump on Wednesday publicly welcomed the reported departure of Prince Harry and Meghan Markle from the United States. Trump stated he was happy about the development, adding that he had never been a supporter of the couple. The comments mark one of Trump's most direct personal remarks about the Duke and Duchess of Sussex. Harry and Meghan had been living in the US since stepping back from senior royal duties in 2020.
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IndiaTimes of India ·
SpaceX Launches NASA's $4.3B Roman Space Telescope to Probe Dark Energy and Planets
SpaceX has successfully launched NASA's Nancy Grace Roman Space Telescope into orbit. The $4.3 billion observatory is built to study distant planets, rare stars, and the poorly understood phenomenon of dark energy. One of its most notable features is a field of view 100 times wider than that of the Hubble Space Telescope. This capability allows it to work alongside other instruments to support a broad range of cosmic research. The mission marks a significant step forward in humanity's effort to explore deep-space mysteries.