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ProgrammingDEV Community ·

How Presque Built a Real-Time Spatial-Temporal Index for Memory Matching

Developers behind Presque, an iOS app that connects people who shared the same location at the same time, have detailed the engineering challenges behind its core matching system. Each user memory stores coordinates, a timestamp, a radius, and a personal time window, requiring matches to satisfy both spatial and temporal conditions simultaneously. While geospatial indexing handles location queries efficiently, time matching is complex because each memory carries its own variable window rather than a global fixed interval. A consent layer adds further complexity, requiring that visibility changes — including deletions and privacy toggles — propagate to the index instantly rather than through batch updates. The system also routes near-miss candidates, those just outside the spatial or time bounds, to a separate inbox rather than discarding them outright.

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IndiaNDTV ·

US Launches New Sanctions Campaign Against Iran in Economic Pressure Push

The United States has announced a fresh sanctions campaign targeting Iran, with Treasury Secretary Scott Bessent describing the move as an 'economic D-Day' against the country. The initiative has been framed as a major economic pressure offensive aimed at isolating Iran financially. However, the announcement did not name any specific third-party countries that would be affected by the measures. No timelines were provided for the implementation or escalation of the sanctions. The move signals a renewed push by Washington to tighten economic constraints on Tehran.

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IndiaTimes of India ·

49ers Owner Jed York Files for Divorce from Wife Danielle Belluomini in 2026

Danielle Belluomini, a former sixth-grade science teacher, married San Francisco 49ers owner Jed York in 2011 and together they have two sons, Jaxon and Brixton. Despite her husband's prominent role in the NFL, Belluomini has largely stayed out of the public eye, making only occasional appearances at league events. The couple's marriage came under renewed scrutiny after York filed for divorce in May 2026. The split gained further attention in the months that followed, coinciding with York's arrest in Ohio.

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ProgrammingDEV Community ·

NET 10 Package Pruning Warning NU1510 Can Break CI Builds on SDK Upgrade

Starting with .NET 10, NuGet's package pruning feature is enabled by default for projects targeting .NET 10 or later, raising a NU1510 warning when a direct package reference is redundant because the SDK already supplies the same assembly. In repositories that treat warnings as errors, this causes restore to fail with a non-zero exit code, effectively breaking CI pipelines after an SDK upgrade. For single-target net10.0 applications, the fix is straightforward — removing the redundant PackageReference entirely — since the framework itself provides the assembly. However, multi-target libraries that still support older targets like netstandard2.0 must conditionally retain the reference for those frameworks to avoid breaking the dependency contract for package consumers. Microsoft recommends evaluating each target individually rather than deleting the reference globally, and verifying the packaged output to ensure downstream consumers receive correct dependency metadata.

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IndiaTimes of India ·

Travis Kelce signs 8-year-old fan's jersey and photos on last day of training camp

Kansas City Chiefs tight end Travis Kelce fulfilled a young fan's heartfelt request during the team's training camp. Eight-year-old Grey St. Louis had left Kelce a handwritten note requesting his autograph, along with a jersey and photographs. After waiting several weeks, Grey received all his items signed by Kelce on the final day of camp. The gesture left Grey and his family overjoyed and deeply moved. As a token of gratitude, the family plans to send Kelce friendship bracelets in return.

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ProgrammingDEV Community ·

Six Prompt Techniques to Stop AI Chatbots From Cutting Off Long Outputs

AI language models have built-in token limits and output restrictions that cause them to stop generating text mid-response, frustrating users working on lengthy code, essays, or emails. A guide published on DEV Community outlines six practical prompting strategies to work around these limitations. Key advice includes specifying exact output length and structure upfront, breaking large tasks into clearly numbered parts, and requesting all sections explicitly in a single prompt. Using words like 'comprehensive,' 'exhaustive,' or 'complete' can signal the model to allocate more of its output budget to the response. The guide emphasizes that these stopping points are predictable and can be managed by giving the AI precise, detailed instructions before generation begins.

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ProgrammingDEV Community ·

Tailscale vs WireGuard: How to choose the right VPN tool for your setup

Tailscale and WireGuard are not competing equals — Tailscale is built on top of WireGuard and adds automation layers including NAT traversal, key management, and access-control policies. WireGuard, by design, handles only the tunnel protocol and leaves key distribution, endpoint configuration, and access control to the operator. Tailscale is better suited for dynamic environments with multiple users or devices, where automating key lifecycle and connection management reduces ongoing administrative work. WireGuard is the stronger choice when the network topology is small and stable, or when existing infrastructure already handles configuration and access control. The practical decision comes down to how much surrounding networking machinery a team wants to manage themselves versus delegate to a coordination layer.

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ProgrammingDEV Community ·

WooCommerce Catalog Mode Can Expose Prices Through APIs and Structured Data

Hiding prices in WooCommerce by removing visible HTML elements does not prevent exposure through other channels such as REST APIs, GraphQL endpoints, JSON-LD structured data, and product feed plugins. Variable products, for instance, often send full variation data including price fields directly to the browser, regardless of what is displayed on screen. Developers are advised to treat price hiding as a server-side data-access control problem rather than a CSS or JavaScript presentation issue. A comprehensive test matrix should cover single-product pages, cart and checkout flows, Store API responses, SEO plugin schema output, and third-party integrations. The recommended approach is to enforce audience-based access decisions on the server and sanitize price data before serialization, ensuring sensitive values are never transmitted to unauthorized clients.

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ProgrammingHacker News ·

Apple Confirms iCloud+ Hide My Email Addresses Will Stay Active on iCloud.com

Apple has announced that email addresses created through its iCloud+ Hide My Email feature will continue to function via icloud.com. The Hide My Email service allows users to generate random, anonymous email addresses that forward messages to their real inbox. Apple's confirmation addresses concerns among iCloud+ subscribers about the potential discontinuation or migration of these addresses. The update was shared through Apple's official developer news channel, reassuring users that their privacy-focused email aliases remain intact.

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WorldBBC World ·

Lockerbie Bombing Trial Delayed for Third Time After New Evidence Emerges

The trial of a Libyan suspect in connection with the 1988 Lockerbie bombing has been postponed for the third time. The delay was announced just days before proceedings were scheduled to begin. New evidence related to the decades-old case came to light only three days prior to the postponement. The Lockerbie bombing, which occurred 37 years ago, remains one of the deadliest terrorist attacks in aviation history.

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WorldBBC World ·

China's Factory Robot Count Surpasses Two Million as Automation Scales Up

China currently has over two million robots deployed across its manufacturing facilities. The country is rapidly expanding its industrial automation capabilities beyond the widely publicized humanoid robot developments. This quieter, less glamorous wave of factory robotics represents a significant shift in how Chinese industry operates. The scale and pace of this machine-driven transformation signals a broader revolution in China's manufacturing sector.

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IndiaNDTV ·

Indian Undergraduate Applicants to US Universities Drop 15%: Report

A recent report has recorded a 15 percent decline in Indian students applying for undergraduate courses in the United States. India remains the top source country for international students in the US despite the drop. The fall highlights a shifting trend in study-abroad preferences among Indian students. The report did not specify the exact time period but suggests a notable change in application patterns.

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ProgrammingDEV Community ·

PAGI::Server 0.002007 unifies HTTP/1.1 and HTTP/2 under a single contract

PAGI::Server 0.002007 is the most significant release of the Perl async web server framework to date, centered on normalizing behavior across HTTP/1.1 and HTTP/2 transports. The release makes event validation mandatory and always-on, deprecating the previous opt-in validate_events flag, so malformed or out-of-sequence events now consistently fail rather than being silently ignored. Error reporting has been standardized, with socket errors now distinguished by type — such as read_error, write_error, or idle_timeout — instead of all appearing as generic client disconnections. WebSocket and response lifecycle handling has been unified across both transports, ensuring incomplete responses trigger proper abnormal closure and disconnect events fire exactly once. The release ships with 920 tests across 133 files, and benchmarking showed no performance regression from unconditional validation, with a dedicated performance-focused update already in progress.

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ProgrammingDEV Community ·

PUC Minas grad student says software architecture course stays surface-level

A postgraduate student at PUC Minas recently completed a 2025 Software Architecture with Java Frameworks course, part of a Distributed Software Architecture specialisation. While praising the course's clarity and pedagogy, the student argues the content remained introductory rather than genuinely architectural in depth. Topics such as Spring Boot, JPA, and design patterns like Singleton and Factory were covered, but the student felt critical trade-off analysis, system-level thinking, and distributed-systems concerns were largely absent. The critique centres on the course answering 'how' to implement patterns without sufficiently addressing 'why', 'when not to', or the broader impact on coupling, testability, and scalability. The student also noted that several subjects were allocated very short lesson times, limiting meaningful exploration of complex concepts.

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