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C# 14's Null-Conditional Assignment Operator: A Farewell to Redundant `if` Statements

2025-09-18

C# 14's Null-Conditional Assignment Operator: A Farewell to Redundant `if` Statements

C# 14 introduces a game-changing feature: the null-conditional assignment operator. This elegantly solves the long-standing problem of NullReferenceExceptions in C#. Previously requiring multiple `if` statements to check for null values, assignments are now streamlined to a single line, dramatically improving code readability and reducing verbosity. For instance, `config?.Settings?.RetryPolicy = new ExponentialBackoffRetryPolicy();` replaces cumbersome `if` checks. While the operator doesn't support increment/decrement operators and overuse should be avoided, it's a valuable addition in C# 14, worth exploring once .NET 10 is released.

(blog.ivankahl.com)

Development Null-Conditional Assignment

ClickHouse Performance Optimization on Intel Xeon Ultra-High Core Count Processors

2025-09-17

ClickHouse Performance Optimization on Intel Xeon Ultra-High Core Count Processors

Intel's latest processors boast hundreds of cores, presenting both immense opportunities and challenges for analytical databases like ClickHouse. Intel Shanghai engineers systematically analyzed ClickHouse performance on ultra-high core count servers, identifying and optimizing five key bottlenecks: lock contention, memory optimization, insufficient parallelism, SIMD instruction utilization, and false sharing. By reducing lock hold times, improving the memory allocator, parallelizing serial phases, employing smarter SIMD algorithms, and optimizing memory layout, they significantly improved ClickHouse's scalability on ultra-high core count systems, achieving up to 10x speedups for individual queries and a 10% overall geometric mean improvement. This work highlights the need for multi-faceted database optimization in the ultra-high core count era, addressing both algorithmic and memory layout considerations.

(clickhouse.com)

Development Ultra-High Core Count Processors

Psychology's Replication Crisis: Debunked Cognitive Science Studies

2025-09-17

Psychology's Replication Crisis: Debunked Cognitive Science Studies

The 2010s saw a 'replication crisis' in psychology, where many widely accepted findings failed to reproduce. This post compiles a list of prominent cognitive science studies that haven't replicated, including the ego depletion effect, power posing effect, social priming (elderly words effect), and money priming effect. These once-popular findings have since been questioned or outright debunked. The goal is to help readers discern credible research from unreliable results, avoiding misinformation.

(buttondown.com)

Misc

Business Insider Lets Journalists Use AI for First Drafts, No Disclosure Needed

2025-09-17

Business Insider Lets Journalists Use AI for First Drafts, No Disclosure Needed

Business Insider has become one of the first major news outlets to formally allow journalists to use AI to create first drafts of stories, without requiring disclosure to readers. Internal memos reveal AI can be used as a tool for research and image editing, but journalists are responsible for ensuring the final product is their own work. While AI-generated or unvetted content will be flagged, articles using AI for drafting won't explicitly state so. This move reflects Business Insider's aggressive embrace of AI, despite previous controversies surrounding AI-generated content.

(www.theverge.com)

Tech AI journalism media industry

UUIDv47: Database-Friendly UUIDs with Sortable Ordering and API Compatibility

2025-09-17

UUIDv47: Database-Friendly UUIDs with Sortable Ordering and API Compatibility

UUIDv47 ingeniously stores sortable UUIDv7 in databases while presenting a UUIDv4 façade to APIs. It achieves this by XOR-masking the UUIDv7 timestamp with a keyed SipHash-2-4 stream linked to the UUID's random bits. This offers database efficiency and API compatibility. The C library is easy to integrate, featuring key-recovery resistance for enhanced security.

(github.com)

Development

The Streaming Golden Age is Over?

2025-09-17

The Streaming Golden Age is Over?

From Netflix's rise to the 2023 writer's strike, the streaming industry has undergone dramatic upheaval. Initially, high-budget "prestige TV" dominated, but Netflix's stock plunge and economic uncertainty led to industry contraction and slashed production budgets. Now, high-quality shows are scarcer, replaced by low-cost non-fiction programming. Viewers are turning to free platforms like YouTube, signaling an impending wave of streaming consolidation.

(www.statsignificant.com)

Tech writers strike

Waymo's Self-Driving Taxis Head to Nashville, Partnering with Lyft

2025-09-17

Waymo's Self-Driving Taxis Head to Nashville, Partnering with Lyft

Waymo, the autonomous driving technology company, is expanding its fully autonomous ride-hailing service to Nashville, Tennessee, in partnership with Lyft. Leveraging Waymo's driverless technology and Lyft's fleet management expertise, the collaboration will offer Nashville residents and visitors a convenient, safe, and reliable ride-hailing experience. Waymo plans to begin fully autonomous operations in Nashville in the coming months, with public access opening next year. This expansion marks another step in Waymo's mission to become the world's most trusted driver.

(waymo.com)

Tech

Prompt Rewrite Boosts Small LLM Performance by 20%+

2025-09-17

Prompt Rewrite Boosts Small LLM Performance by 20%+

Recent research demonstrates that a simple prompt rewrite can significantly boost the performance of smaller language models. Researchers used the Tau² benchmark framework to test the GPT-5-mini model, finding that rewriting prompts into clearer, more structured instructions increased the model's success rate by over 20%. This is primarily because smaller models struggle with verbose or ambiguous instructions, while clear, step-by-step instructions better guide the model's reasoning. This research shows that even smaller language models can achieve significant performance improvements through clever prompt engineering, offering new avenues for cost-effective and efficient AI applications.

(quesma.com)

AI

Firefox Brings Enhanced DoH to Android, Balancing Privacy and Speed

2025-09-17

Firefox Brings Enhanced DoH to Android, Balancing Privacy and Speed

Firefox is rolling out DNS over HTTPS (DoH) on Android, providing enhanced privacy protections. Previously launched on desktop and in Canada, Firefox's DoH, in partnership with CIRA and Akamai, achieved a remarkable 61% speed improvement in DNS lookups. The Android implementation lets users select an "Increased Protection" DoH configuration, mirroring the desktop experience. Firefox plans to enable DoH by default on Android in select regions, pending performance tests.

(blog.mozilla.org)

Tech

Procedural Generation of Realistic Terrain: Multi-scale Noise and Mountain Modeling

2025-09-17

Procedural Generation of Realistic Terrain: Multi-scale Noise and Mountain Modeling

This post, part III of a procedural terrain generation series, builds upon the paint map and mountain ridge system established in previous parts. It details the addition of multi-scale noise layers and distance-based mountain peaks, culminating in a final terrain elevation map through blending techniques. The author explains using Simplex noise to add detail at varying frequencies, and coastal noise enhancement to control coastline variation. A distance field is calculated using Delaunay triangulation and a breadth-first search (BFS) algorithm for more natural mountain shapes. Finally, the different terrain components are blended to create a realistic result.

(brashandplucky.com)

Game terrain

Xerox's 50 Series: A Comeback Story

2025-09-17

In 1988, Xerox launched its 50 series copiers to commemorate the 50th anniversary of Chester Carlson's invention of the first xerographic image. Xerox touted the 50 series as its most significant product line since the 10 series in 1982. Featuring enhanced capabilities and a higher price point, the 50 series (models 5018, 5028, 5046, 5052, and 5090) helped Xerox reclaim market share lost to Japanese competitors.

(xeroxnostalgia.com)

Tech Xerox Copiers

A Flawed Falsification: Re-examining the Real-Number Quantum Theory Experiment

2025-09-17

Renou et al.'s 2021 Nature paper claimed that quantum theory based on real numbers can be experimentally falsified. This post argues otherwise. The paper proposed a test to distinguish between a full quantum gateset using complex numbers and a real-only subset. However, the author demonstrates that a real-only quantum computer, leveraging entanglement, can pass the test. The crucial, hidden assumption is that participating quantum computers begin without entanglement—a detail buried in the supplementary materials, severely undermining the experiment's validity.

(algassert.com)

Tech experimental verification

PureVPN Vulnerabilities: IPv6 Leaks and Firewall Reset

2025-09-17

A security researcher discovered two critical vulnerabilities in PureVPN's client. First, an IPv6 leak allows users to access the internet via IPv6 even when connected to the VPN, exposing their real IP address. Second, the VPN client resets the user's firewall (iptables) rules upon connection and doesn't restore them upon disconnection, leaving the system more vulnerable. The researcher reported these issues to PureVPN but has yet to receive a response. Use PureVPN with caution.

(anagogistis.com)

Tech IPv6 leak

Interstellar Visitor 3I/ATLAS and the Paradox of Human Violence

2025-09-17

Interstellar Visitor 3I/ATLAS and the Paradox of Human Violence

Harvard professor Avi Loeb discusses the anomalous observations of interstellar object 3I/ATLAS and contrasts them with the reality of human political violence. 3I/ATLAS exhibits unusual features like a retrograde trajectory, an unusually large nucleus, an anomalous tail, and unique polarization properties, sparking discussion of extraterrestrial civilizations. The article juxtaposes the study of 3I/ATLAS with recent attacks on US political figures, highlighting the stark contrast between humanity's violence and the vast scale of cosmic exploration. It calls for humans to set aside differences and collaboratively explore the universe, seeking a path to coexistence.

(avi-loeb.medium.com)

Tech extraterrestrial civilization

Apple Photos App Corrupts Images: A Debugging Odyssey

2025-09-17

The author experienced significant image corruption (up to 30%) when importing photos from their OM System camera into Apple Photos. Initially suspecting hardware issues, they systematically replaced cables, SD cards, laptops, and even cameras, yet the problem persisted. The culprit turned out to be Apple Photos itself, specifically the simultaneous deletion and import of photos. To resolve this, the author switched to Darktable for photo management, culling and processing images before importing them into Apple Photos. This lengthy debugging process, while frustrating, resulted in a solution and the bonus of redundant hardware.

(tenderlovemaking.com)

Misc image corruption Apple Photos camera import

arXivLabs: Experimenting with Community Collaboration

2025-09-17

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea for a project that will benefit the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Tech

Alibaba's Pingtouge AI Chip Outperforms Nvidia's A800 in Key Metrics

2025-09-17

Alibaba's Pingtouge AI Chip Outperforms Nvidia's A800 in Key Metrics

CCTV News reported that Alibaba's Pingtouge's latest AI chip, PPU, surpasses Nvidia's A800 in key parameters, rivaling the H20. The PPU boasts 96GB HBM2e memory, 700GB/s inter-chip interconnect bandwidth, PCIe 5.0×15 interface, and a 400W power consumption. China Unicom's Sanjiangyuan Green Electricity Intelligent Computing Center project has signed agreements for 1747 devices, including 16,384 Pingtouge chips from Alibaba Cloud, delivering 1945P computing power, highlighting the rise of domestic AI chips and their adoption in large-scale projects.

(news.futunn.com)

Tech Pingtouge domestic chip

Algebraic Types Aren't Scary: A Simple Explanation Using Set Theory

2025-09-17

This article provides a clear and accessible explanation of algebraic types, using the perspective of set theory where types are viewed as sets of values. It delves into product types (similar to structs or classes) and sum types (like Option or Result types), comparing their implementation in an interpreter using algebraic types versus object-oriented approaches (inheritance or the Visitor pattern). The author argues that algebraic types offer superior conciseness, readability, and maintainability, avoiding unnecessary complexity. The conclusion emphasizes product and sum types as fundamental ways to combine types, sufficient for most programming tasks.

(blog.aiono.dev)

Development algebraic types product types sum types

Microsoft: A 'Bad Actor' in the Software Supply Chain?

2025-09-17

Microsoft: A 'Bad Actor' in the Software Supply Chain?

This article revisits software supply chain security issues, from Internet Explorer to npm, arguing that Microsoft's insufficient efforts to secure npm have led to rampant malware, threatening software development companies. The author points out critical security vulnerabilities in npm's postinstall scripts, easily exploited for attacks, while Microsoft, as the owner of npm, has taken little action. This makes software development less fun and more of a chore. The article calls for industry-wide efforts to build a secure software supply chain.

(tane.dev)

Development

DataTables.net Suffers Major Outage Due to Domain Hijacking

2025-09-17

The DataTables.net website experienced a significant outage due to a domain hijacking attack. The attacker, using a sophisticated phishing campaign and forged identification documents, successfully transferred the domain. While the server and code remained untouched, the disruption to the CDN severely impacted users. The author has since restored services and encourages users to adopt security measures like Subresource Integrity (SRI).

(datatables.net)

Development domain hijacking

Stategraph: Rethinking Terraform State Management as a Distributed Systems Problem

2025-09-17

Stategraph: Rethinking Terraform State Management as a Distributed Systems Problem

Terraform has long used filesystem semantics to solve a distributed systems problem, resulting in inefficient state management. Stategraph addresses this by treating Terraform state as a directed acyclic graph, leveraging graph database features for subgraph isolation, precise locking, and incremental refresh. This dramatically improves concurrent throughput, solving lock contention and slow refresh times, enabling large teams to collaborate effectively. Stategraph uses PostgreSQL as its backend and is compatible with existing Terraform workflows, requiring no configuration changes for migration.

(stategraph.dev)

Development

Long-Term Review: Samsung 870 QVO 4TB SATA SSDs

2025-09-17

Long-Term Review: Samsung 870 QVO 4TB SATA SSDs

This review shares the long-term experience of using four Samsung 870 QVO 4TB SATA SSDs in a home server and backup setup. Manufactured in 2021, these drives have shown excellent performance, maintaining write speeds of 140-170 MB/s even under heavy load. One drive reported 4 bad blocks, but overall, they've written over 170TB of data, far from their 1440TBW endurance limit. While prices have dropped, they remain slightly more expensive than competing drives, but offer consistently reliable performance.

(ounapuu.ee)

Hardware Samsung 870 QVO SSD Review

Tabby: A Powerful Terminal Emulator and SSH Client

2025-09-17

Tabby: A Powerful Terminal Emulator and SSH Client

Tabby (formerly Terminus) is a highly configurable terminal emulator, SSH, Telnet, and serial client for Windows, macOS, and Linux. It boasts features like theming, customizable shortcuts, split panes, tab persistence, and supports various shells including PowerShell, WSL, and Git-Bash. Furthermore, Tabby offers extensive plugin support, including Docker integration, quick command sending, output saving, and even AI assistant integration for enhanced productivity. A versatile alternative to existing terminal applications, Tabby is ideal for developers and system administrators.

(github.com)

Development SSH client

Noctua Quietly Optimizes the Framework Mini PC

2025-09-17

Noctua collaborated with Framework to improve the cooling and noise profile of the Framework mini-PC. Custom side panel and duct designs significantly reduced noise levels, especially at lower fan speeds (around 7dB(A) reduction). While not currently mass-produced, Noctua provides 3D printable files. Further testing with different fans and exhaust configurations revealed the custom side panel and duct as the optimal solution for noise reduction.

(noctua.at)

Hardware noise reduction

Waymo Gets Green Light to Test Robotaxis at SFO

2025-09-17

Waymo Gets Green Light to Test Robotaxis at SFO

Waymo has secured permission to test its robotaxi service at San Francisco International Airport (SFO), a significant victory in its expansion efforts. After lengthy negotiations, Waymo signed a “Testing and Operations Pilot Permit” with SFO, allowing a three-phase rollout: human-supervised testing, driverless testing, and finally, commercial operation. Testing will begin with employees before public access, initially using SFO's Kiss & Fly lot, accessible via AirTrain. While Waymo operates in five cities, SFO represents a major expansion, given its high-traffic environment and lucrative potential. Airport trips represent an estimated 20% of ride-hail trips, making airport access crucial for Waymo to compete with Uber and Lyft and achieve profitability.

(www.theverge.com)

Tech

MELP and MELPe Vocoders: The Evolution of Military Speech Communication

2025-09-17

MELP and MELPe Vocoders: The Evolution of Military Speech Communication

This article introduces Mixed-Excitation Linear Prediction (MELP) and its enhanced version, MELPe, vocoders. Originally invented by Alan McCree, MELP became a US DoD standard (MIL-STD-3005) in 1997 and saw widespread use in military applications and satellite communications. MELPe, an improvement on MELP, became the new MIL-STD-3005 in 2001 and was adopted by NATO as STANAG-4591 in 2002. MELPe significantly outperforms older military standards like CELP and LPC-10e in speech quality, intelligibility, and noise immunity, especially in noisy environments.

(melpe.org)

Tech speech coding

College's Importance Plummets: Only a Third of Americans Now Rate It as 'Very Important'

2025-09-17

College's Importance Plummets: Only a Third of Americans Now Rate It as 'Very Important'

A Gallup poll reveals a dramatic decline in the perceived value of a college education among Americans over the past 15 years. Only about a third now rate it as "very important," down from 75% in 2010. This shift is widespread across all demographic groups, with even traditionally pro-college segments showing less than half considering it "very important." While most still see some value, the perception of college as vital has significantly eroded. The high cost of college, the rise of vocational training, technological advancements like AI disrupting the job market, and the increased availability of online learning and microcredentials are potential contributing factors.

(news.gallup.com)

Misc

The Everglades: A History of Failed Drainage Attempts

2025-09-17

The Everglades: A History of Failed Drainage Attempts

Lake Okeechobee, Florida's largest lake, is only nine feet deep and home to 30,000 alligators. This article recounts the numerous failed attempts to drain the Florida Everglades, from 19th-century land reclamation schemes to a 20th-century plan for a massive airport. These efforts not only damaged the ecosystem but also caused devastating floods and societal losses. The shallowness of Lake Okeechobee and the Everglades' history of flooding highlight the folly of human attempts to control nature and underscore the importance of environmental protection.

(rabbitcavern.substack.com)

Misc human intervention

Apple Patches Critical iOS Zero-Day Exploit

2025-09-17

Apple released an emergency security update on September 15, 2025, addressing a critical memory corruption vulnerability (CVE-2025-43300) in iOS and iPadOS. This vulnerability could be exploited in targeted attacks, causing memory corruption through a malicious image file. Affected devices include iPhone 6s and later, select iPads, and iPod touch. Apple notes that they don't disclose security issues until investigation and patching are complete.

(support.apple.com)

Tech iOS security update

Beyond GPT: Evolutionary Algorithm Conquers ARC-AGI, Hints at AGI?

2025-09-17

Beyond GPT: Evolutionary Algorithm Conquers ARC-AGI, Hints at AGI?

A researcher recently achieved a significant breakthrough in the ARC-AGI benchmark using an evolutionary algorithm combined with the large language model Grok-4. The approach achieved 79.6% accuracy on ARC v1 and a state-of-the-art 29.4% on the harder ARC v2. The core innovation lies in using natural language instructions instead of Python code, iteratively evolving to generate more effective solutions. This research suggests that combining reinforcement learning and natural language instructions could address the limitations of current LLMs in abstract reasoning, paving the way for Artificial General Intelligence (AGI).

(jeremyberman.substack.com)

AI Evolutionary Algorithm

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