1411
Creating a React App
The library for web and native user interfaces
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 4,918 posts.
1412
Data Race Detector
Data races are among the most common and hardest to debug types of bugs in concurrent systems. A data race occurs when two goroutines access the same variable concurrently and at least one of the accesses is a write. See the The Go Memory Model for details.
1413
Congress and the Public
Do you approve or disapprove of the way [ROTATED -- The Republicans in Congress. The Democrats in Congress.] are handling their job? Do you approve or disapprove of the way Congress is handling its job?
1414
Narcissistic personality disorder
This mental disorder includes an unreasonably high sense of importance, a need for excessive admiration, fragile self-esteem, and troubled relationships.
1415
What the data says about crime in the U.S.
Federal statistics show dramatic declines in U.S. violent and property crime rates since the early 1990s.
1416
PEP 263 – Defining Python Source Code Encodings
This PEP proposes to introduce a syntax to declare the encoding of a Python source file. The encoding information is then used by the Python parser to interpret the file using the given encoding. Most notably this enhances the interpretation of Unicode ...
1417
Internet
More than half of the world is online, but the Internet is still young.
1418
Global Desktop Browser Market Share
Web browsers are an important part of everyday life. In this article, learn about browser market share, and which browser is most popular!
1419
Long Now Years: Five-digit Dates and Y10K-compliance at Home
The Long Now Foundation fosters long-term thinking. Our work encourages imagination at the timescale of civilization — the next and last 10,000 years — a timespan we call the long now.
1420
U.S. Health Care from a Global Perspective, 2019: Higher Spending, Worse Outcomes?
Americans are living shorter, unhealthier lives. Yet, the United States outspends other wealthy nations when it comes to health care, according to a new Commonwealth Fund report. This analysis compares the U.S. to 10 other high-income nations on spending, outcomes, risk factors, and quality.
1421
Storing medical information below the skin’s surface
MIT researchers have developed a novel way to record a patient’s vaccination history: storing the data in a pattern of quantum-dot dye, invisible to the naked eye, that is delivered under the skin at the same time as the vaccine.
1422
PEP 635 – Structural Pattern Matching: Motivation and Rationale
This PEP provides the motivation and rationale for PEP 634 (“Structural Pattern Matching: Specification”). First-time readers are encouraged to start with PEP 636, which provides a gentler introduction to the concepts, syntax and semantics of patterns.
1423
Crop Yields
Increasing crop yields is crucial to improve food security, living standards, and reduce human impacts on the environment.
1424
Study of 72,000 COVID-19 patients finds 2.3% death rate
Researchers from China's Center for Disease Control and Prevention today describe the clinical findings on more than 72,000 COVID-19 cases reported in mainland China, which reveal a case-fatality rate (CFR) of 2.3% and suggest most cases are mild, but the disease hits the elderly the hardest.
1425
The Last Lecture
Randy Pausch's famous Last Lecture, titled "Really Achieving Your Childhood Dreams," was delivered in 2007 after a terminal cancer diagnosis and has since become a global phenomenon. A co-founder of the Entertainment Technology Center, Pausch was known for his interdisciplinary work and for creating the ALICE…
1426
Code of Conduct ⚡ Zig Programming Language
The Zig community is decentralized. Anyone is free to start and maintain their own community , which is not subject to these rules.
1427
What Is Censorship?
RECENT CENSORSHIP NEWS > Prosecution of TV Provider Raises Free Speech Questions (8/24/2006) > Massachusetts Education Department Liable for Unconstitutional Censorship (8/1/2006) > Library Association Supports Lawsuit Against School Board Over Censorship (7/7/2006) > ACLU of Florida Sues to Stop Book Censorship by…
1428
Tutorial: Writing an Interpreter with PyPy, Part 1
This is a guest blog post written by Andrew Brown , with help from the PyPy developers on the pypy-dev mailing list. This tutorial's master...
1429
Diagnosing a Double-Free Concurrency Bug in Rust's Unbounded Channels
Explore how Materialize engineers diagnosed and resolved a rare concurrency bug in Rust's unbounded channels that led to undefined behavior through double-free memory errors.
1430
Claude Code Historical Performance
Historical Claude Code performance tracker across model generations on SWE-Bench-Pro.
1431
YouTube-dl's repository has been restored
Today we reinstated youtube-dl, a popular project on GitHub, after we received additional information about the project that enabled us to reverse a Digital Millennium Copyright Act (DMCA) takedown.
1432
1433
RethinkDB is shutting down
Today I have sad news to share. After more than seven years of development, the company behind RethinkDB is shutting down. We worked very hard to make RethinkDB successful, but in spite of all our efforts we were ultimately unable to build a sustainable business. There is a lot of information to unpack – over the next…
1434
Apple previews Lockdown Mode
Apple today detailed two initiatives to help protect users who may be personally targeted by sophisticated digital threats.
1435
Small models also found the vulnerabilities that Mythos found
When AISLE tested Mythos's showcase vulnerabilities on small, cheap, open-weights models, most found the same bugs. Here's what that means for cyber.
1436
A Message to Our Customers about iPhone Batteries and Performance
Understand iPhone performance and its relation to your battery.
1437
MIT-designed project achieves major advance toward fusion energy
For the first time, a large high-temperature superconducting electromagnet was ramped to a field strength of 20 tesla, the most powerful magnetic field of its kind ever created. The demonstration helps resolve the greatest uncertainty in the quest to build the first fusion power plant that can produce more energy than…
1438
Big data is dead
Big data is dead. Long live easy data. | Reading time: 18 min read
1439
Apple Announces App Store Small Business Program
New developer program accelerates innovation and helps small businesses and independent developers propel their businesses forward on the App Store.
1440
Building Effective "Agents"
Practical guidance from Anthropic on building reliable AI agents, from simple composable patterns to fully autonomous systems.