Top Posts for December 28, 2017

A Message to Our Customers about iPhone Batteries and Performance

Summary: A chemically aged battery also becomes less capable of delivering peak energy loads, especially in a low state of charge, which may result in a device unexpectedly shutting itself down in some situations.

Keywords: iphone, battery, performance, batteries, customers

Full article on | 1154 Points and 811 Comments

Effective Engineer – Notes

Summary: doesn’t necessarily mean crashing your programs for users fail-fast to surface issues immediately Failing fast is high leverage as it saves devugging time.

Keywords: high, time, leverage, work, metric

Full article on | 684 Points and 217 Comments

Economics of Minecraft

Summary: I scouted out locations close to spawn (a difficult task given how overdeveloped the land was), eventually discovering a small mountain someone had built their home atop who probably wouldn’t notice or mind that overnight I’d hollowed it out and stuck a couple doors on the side.

Keywords: market, people, price, time, buy

Full article on | 601 Points and 109 Comments

High Sierra macOS freezing and stops

Summary: It does seem like perhaps its the window server, because there are other log entries after the time of the freeze (before forcing a reboot) which would tend to confirm that at least some processes are still alive and running.

Keywords: oct, response, sckeedoo, level, points

Full article on | 305 Points and 313 Comments

How I Find Consulting Clients

Summary: I make a good living, I’m rewarded by seeing companies succeed—I’ve seen clients go through two acquisition exits, multiple million-dollar funding rounds, 10x growth in revenue, and more—and I get enough inquiries through this blog and referrals that I don’t face pipeline droughts.

Keywords: clients, consulting, find, time, month

Full article on | 304 Points and 38 Comments

The lucrative business of America’s opioid crisis

Summary: Sorrowful tales of death at a young age and of families torn apart have become a defining feature of the early 21st century American experience.

Keywords: addiction, crisis, age, experience, treatment

Full article on | 259 Points and 187 Comments

Exmo Bitcoin exchange chief executive kidnapped in Kiev

Summary: According to Russian and Ukrainian media reports Pavel Lerner, 40, was kidnapped while leaving his office in Kiev’s Obolon district on 26 December.

Keywords: exmo, kidnapped, pavel, lerner, users

Full article on | 240 Points and 127 Comments

Many major websites are taking silent anti-ad-blocking measures

Summary: Earlier estimates, based largely on visible or obvious anti-ad-blocking means such as pop-ups or broken content, suggested that somewhere between 1 and 5 percent of popular sites were doing this — but the real number seems to be an order of magnitude higher.

Keywords: ad, sites, blocker, blocking, ads

Full article on | 231 Points and 358 Comments

The Most Expensive Mile of Subway Track

Summary: “We do fine.

Keywords: york, construction, costs, projects, times

Full article on | 217 Points and 207 Comments

A Pragmatic Introduction to Signal Processing

Summary: This site is a retirement project and international community service , maintained by Prof. Tom O’Haver , Professor Emeritus, Department of Chemistry and Biochemistry, The University of Maryland at College Park, currently residing in Naples, FL.

Keywords: signal, software, processing, website, work

Full article on | 215 Points and 19 Comments

Building a Distributed Log from Scratch: Data Replication

Summary: These have definite “state machines” affiliated with them, like creating and deleting subscriptions, positions in the log, clients joining or leaving queue groups, and message-redelivery information.

Keywords: log, leader, raft, replication, data

Full article on | 208 Points and 21 Comments

Concussion doctor says he found CTE in living NFL player

Summary: The paper’s lead author, Bennett Omalu, told an audience last month in San Francisco that physicians discovered CTE in Fred McNeill, a former Minnesota Vikings linebacker, during initial testing of a new method to identify chronic traumatic encephalopathy in the living.

Keywords: cte, disease, omalu, researchers, living

Full article on | 194 Points and 200 Comments

Crime in New York City Plunges to a Level Not Seen Since the 1950s

Summary: In some cases, the data annotates horrible crimes: an ISIS-inspired truck rampage on a Manhattan bike lane on Halloween that left eight people dead; the ambush killing of a police officer, Miosotis Familia, 48, who was shot in the head on July 4 while sitting in her R.V.-style command post in the Bronx; the death of Timothy Caughman , 66, a black man, at the hands of a sword-wielding white supremacist on March 20.

Keywords: police, crime, year, people, york

Full article on | 192 Points and 218 Comments

An introduction to reverse-engineering x86 microcode and writing it

Summary: We then demonstrate, also with live demos, this knowledge with multiple microcode programs that implement both defensive measures as well as provide an attacker with hard to detect backdoors.

Keywords: microcode, cpu, hardware, update, programs

Full article on | 187 Points and 62 Comments

C++17 constexpr everything, or as much as the compiler can

Summary: In order to avoid recalculating the big array of coefficients, I used to keep them in a file and simply load the data in memory every time the code was executed.

Keywords: code, generated, time, compile, assembly

Full article on | 177 Points and 112 Comments

Discretion still matters – don’t hurt your career by sharing too much

Summary: The network can time out, the servers could jam up, the client might have a bad connection, their computer might have trouble running our front end code, I’m really scared about how many obstacles we face.

Keywords: work, people, lisa, don, business

Full article on | 161 Points and 144 Comments

The Digital Advertising Duopoly

Summary: I want to see the technology industry adopt new approaches to monetization, ideally not attention based models, to combat this.

Keywords: digital, advertising, duopoly, don, approaches

Full article on | 144 Points and 106 Comments

SoftBank Succeeds in Tender Offer for Large Stake in Uber

Summary: ET SoftBank Group Corp. won its bid to buy a major stake in Uber Technologies Inc. at a steep discount to the company’s previous valuation in a deal that gives the world’s biggest tech investor sway over the most valuable U.S. startup.

Keywords: uber, softbank, offer, stake, discount

Full article on | 144 Points and 135 Comments

What We Get Wrong About Dying

Summary: When might an intervention actually fall into a category that is beyond “everything?” Often in my experience at Hadassah, when parents witness their child dying, when they see that the final moments are truly at hand, if we have developed a trusting relationship with them and have been engaging in these discussions over time, they tell us that attempting resuscitative efforts that are likely to be futile is not consistent with their values.

Keywords: patient, death, family, time, body

Full article on | 140 Points and 69 Comments

Cracking Encrypted PDFs

Summary: Now I worked out a second method: I modified the source code of QPDF so that it will accept encryption keys too.

Keywords: key, pdf, password, qpdf, encryption

Full article on | 138 Points and 16 Comments

DeepZip: Lossless Compression Using Recurrent Networks [pdf]

Summary: ALN5 Dz6E ]$xAlo@#&zx=n@?Ӯk endstream endobj startxref 0 %%EOF 237 0 obj <>stream hb`" n Ā B,qr)?ah1lb MN/ohrj K2E,EDL0%0 1%0,X54'E130ϬKY0ibfyԁZbtV0 e H2pp΃} .

Keywords: obj, endobj, stream, endstream, hbbd

Full article on | 138 Points and 16 Comments

The Door Problem (2014)

Summary: There’s an impression that game design is flashy and cool and about crazy ideas and fun all the time.

Keywords: door, player, doors, open, designer

Full article on | 138 Points and 27 Comments

PostgreSQL Benchmark on FreeBSD, CentOS, Ubuntu Debian and OpenSUSE

Summary: For Linux distributions, PostgreSQL was installed on ext4 file system in RAID1 setup (software RAID using mdraid) on two SSDs, with atime disabled.

Keywords: postgresql, read, benchmark, freebsd, raid

Full article on | 131 Points and 56 Comments

Shenzhen Electrifies Entire Public Transit Bus Fleet

Summary: In order to achieve this goal, they invested hundreds of millions more than their usual fleet update to purchase a variety of different electric buses and charging stations.

Keywords: electric, fleet, buses, shenzhen, update

Full article on | 130 Points and 71 Comments

Show HN: Themer – a CLI for generating themes for all your tools

Summary: If you’d prefer to develop your themes visually (and with a tight feedback loop), check out themer ’s GUI .

Keywords: themer, color, set, create, file

Full article on | 130 Points and 25 Comments

Lack of sleep boosts levels of Alzheimer’s proteins

Summary: “This study is the clearest demonstration in humans that sleep disruption leads to an increased risk of Alzheimer’s disease through an amyloid beta mechanism,” said senior author Randall Bateman, MD, the Charles F. and Joanne Knight Distinguished Professor of Neurology.

Keywords: sleep, amyloid, beta, people, levels

Full article on | 127 Points and 50 Comments

Exercise is good for boosting memory and thinking skills, new guidelines say

Summary: The experts on brain health are out with new guidelines that say exercising twice a week may help preserve memory and thinking skills in people with mild cognitive impairment.

Keywords: mci, people, cognitive, exercise, guidelines

Full article on | 124 Points and 54 Comments

Neutrino experiment reveals inconsistency in how matter and antimatter behave

Summary: If so, it would violate an idea called charge-parity (CP) symmetry, which states that the laws of physics shouldn’t change if matter particles swap places with their antiparticles (charge) while viewed in a mirror (parity).

Keywords: matter, neutrinos, cp, antimatter, results

Full article on | 123 Points and 64 Comments

The scrypt parameters

Summary: We apply the same methodology of the paper to pick recommended 𝑁 values for interactive logins and file encryption: the biggest power of two that will run in less than 100ms and 5s respectively on “the CPU in the author’s laptop” (a 3.1 GHz Intel Core i5).

Keywords: memory, 𝑁, hash, scrypt, 𝑟

Full article on | 121 Points and 75 Comments

A visual ARM emulator

Summary: Headless Emulation Mode VisUAL allows assembly code to be executed via the command line and logs the program state to an XML file.

Keywords: code, visual, memory, assembly, visualisation

Full article on | 120 Points and 13 Comments

Apollo Guidance Computer Talk

Summary: This talk explains “everything about the AGC”, including its quirky but clever hardware design, its revolutionary OS, and how its software allowed humans to reach and explore the moon.

Keywords: apollo, computer, guidance, talk, agc

Full article on | 110 Points and 18 Comments

Nearing the Babel 7.0 Release

Summary: Either implement or have plan in place for versioning and handling polyfills independently from helpers, so we aren’t explicitly tied to core-js 2 or 3, since people may have things that depend on one or the other and won’t want to load both a lot of the time.

Keywords: packages, people, version, babel, package

Full article on | 110 Points and 38 Comments

Google retires the Pixel C tablet as it shifts focus to the Pixelbook

Summary: As noted earlier today by Android Police , Google has stopped selling the Pixel C through its online store.

Keywords: tablet, device, google, company, pixelbook

Full article on | 108 Points and 124 Comments

/bin/false is not security (2005)

Summary: So if some naughty person manages to guess a password of one of your 30000 users, he/she can happily perform resource starvation attacks ‘till the end of the day despite your wishes that I stay off your machine.

Keywords: ssh, shell, port, machines, access

Full article on | 108 Points and 62 Comments

New Zealand Study Provides More Support for Lead-Crime Hypothesis

Summary: In other words, five times as many American kids had extremely high BLLs as Dunedin kids.² Since most crime is committed by a fairly small number of people at the most antisocial end of the bell curve, this is a critical comparison.

Keywords: lead, study, crime, blls, levels

Full article on | 102 Points and 36 Comments

How to hand-write DNS messages

Summary: The first two bits are set to 1 , and then the next 14 contain an unsigned interger, which counts the byte offset from the beginning of the message to a prior occurance of the same name.

Keywords: dns, query, message, section, server

Full article on | 101 Points and 10 Comments

ThunderSVM: A Fast SVM Library on GPUs and CPUs

Summary: This project is hosted by NUS, collaborating with Prof. Jian Chen (South China University of Technology).

Keywords: nov, dec, svms, thundersvm, performance

Full article on | 97 Points and 20 Comments

Engineering Habitats for the Moon and Mars

Summary: Team: Valentina Sumini, Alpha Arsano, George Lordos, Meghan Maupin, Zoe N. Lallas, Sam Wald, Matthew Moraguez, John Stillman, Mark Tam, Alejandro Trujillo and Luis Fernando Herrera Arias.

Keywords: moon, mars, space, regolith, earth

Full article on | 93 Points and 49 Comments

Skyrocketing Bitcoin Fees Hit Carders in Wallet

Summary: Incredibly, the administrators of Carder’s Paradise apparently received so much pushback from crooks using their service that they decided to lower the price of stolen credit cards to make potential buyers feel better about higher transaction fees.

Keywords: bitcoin, fees, deposit, transaction, credit

Full article on | 90 Points and 95 Comments

The Growing Peril of Index Funds: Too Much Tech

Summary: Led by Apple Inc., Facebook Inc. and their peers, the weighing of technology stocks in the S&P 500 index has climbed to 23.8% as of Dec….

Keywords: index, funds, technology, growing, peril

Full article on | 90 Points and 68 Comments

ChromeOS: How VM and Containers will seem to run

Summary: You can see in the bottom image of the link that ChromeOS applications don’t need to leave userspace to interact with the VM.

Keywords: containers, vms, vm, commit, command

Full article on | 87 Points and 10 Comments

Musician Who Lost His Arm Plays Piano Again with AI Prosthesis

Summary: Using our GeForce GTX TITAN X GPU with the cuDNN -accelerated TensorFlow deep learning framework, the team created an algorithm that predicts what finger the musician is trying to use.

Keywords: barnes, weinberg, finger, arm, ai

Full article on | 87 Points and 23 Comments

Rails, Development, and More with David Heinemeier Hansson [audio]

Summary: Eric, David, and Dave speak about their daily routines as far as preparation, favorite task management tools, workflows, meetings, coding and testing, home life, working remote, commuting, health/mental healthy choices, an ……

Keywords: ruby, episode, dave, charles, rogues

Full article on | 87 Points and 21 Comments

Firefighter Math

Summary: The United States Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status.

Keywords: math, information, usda, content, calculator

Full article on | 85 Points and 28 Comments

Crystal 0.24.1 released

Summary: ( #5297 , thanks @MakeNowJust ) Documentation generator: Fix XSS vulnerability when syntax highlighting string array literals.

Keywords: fix, makenowjust, documentation, add, parsing

Full article on | 85 Points and 22 Comments

MoviePass Adds a Million Subscribers, Even If Theaters Aren’t Sold on It

Summary: Mr. Farnsworth said, “When you apply computer science and machine learning to an industry that we believe has lacked significant innovation, useful patterns start to emerge.” If MoviePass gets big enough, it could try to demand that chain theaters sell tickets at a discount or share a slice of their concession revenue.

Keywords: moviepass, movie, theaters, studio, month

Full article on | 77 Points and 123 Comments

Best of for AI, Machine Learning, and Deep Learning – November 2017

Summary: To maintain accuracy with this large minibatch size, the authors employed several techniques such as RMSprop warm-up, batch normalization without moving averages, and a slow-start learning rate schedule.

Keywords: learning, paper, deep, size, network

Full article on | 76 Points and 9 Comments

The great error: the Bolsheviks were not a party but an apocalyptic sect

Summary: Subscribe

Keywords: subscribe

Full article on | 76 Points and 96 Comments

The sorry state of OpenSSL usability

Summary: The modulus length is a good example of why: a wrong value results in a trivially breakable key, and you the user shouldn’t need to know what the right value is.

Keywords: openssl, key, documentation, pkcs, file

Full article on | 75 Points and 37 Comments

Uncovering British spies’ web of sockpuppet social media personas [video]

Full article on | 73 Points and 19 Comments

Engineers create plants that glow

Summary: The light is ultimately powered by the energy metabolism of the plant itself,” says Michael Strano, the Carbon P. Dubbs Professor of Chemical Engineering at MIT and the senior author of the study.

Keywords: plants, plant, light, researchers, luciferase

Full article on | 70 Points and 32 Comments

Who Are the Top 1 Percent in America?

Summary: Figure 1: A Picture of S-Corporations: Actively Held, Mid-Market Firms in Diverse Industries and Locations (Source: Smith et al. 2017)Having documented these basic facts—and while insisting they remain agnostic on the social optimality of the dynamics they document—Smith et al. take a stab at showing that the incomes of top 1 percent business owners are in fact returns to scarce human capital.

Keywords: percent, capital, top, income, owners

Full article on | 69 Points and 88 Comments

Try exercise to improve memory, thinking

Summary: Dr. Petersen was involved in the development of the first clinical trial for mild cognitive impairment and continues as a worldwide leader researching this stage of disease when symptoms possibly could be stopped or reversed.

Keywords: cognitive, impairment, mild, guideline, people

Full article on | 66 Points and 13 Comments

Home in a Can: When Trailers Offered a Compact Version of the American Dream

Summary: Co-habitues (and landlords) include Humphrey Bogart and Lauren Bacall, Jack Benny, Barbara Stanwyck, Danny Kaye, Greer Garson, George Burns and Gracie Allen, Jose Ferrer and Rosemary Clooney, Claudette Colbert, and many others.” (From Don’t Call Them Trailer Trash , courtesy of Schiffer Publishing)

Keywords: trailer, mobile, people, homes, trailers

Full article on | 64 Points and 44 Comments

Microsoft Considers Adding Python as an Official Scripting Language to Excel

Summary: Microsoft did not respond to a request for comment and additional information from Bleeping Computer in time for this article’s publication, mainly due to timezone differences.

Keywords: python, excel, microsoft, users, office

Full article on | 64 Points and 18 Comments

There Is Only One Cloud Icon (2011)

Summary: UPDATE: Hat tip to Ian Griffiths who points out that the BBC Weather Service beat all of us to the iCloud icon, kind of…over 30 years ago.

Keywords: icon, cloud, site, pictos, apple

Full article on | 63 Points and 19 Comments

A theoretical physics FAQ

Summary: Since different sections were written at different times (some date back to the last century), there is some overlap in the treatment of topics, and a few are a bit outdated.

Keywords: quantum, sections, january, topics, faq

Full article on | 56 Points and 20 Comments

FaCT: A Flexible, Constant-Time Programming Language [pdf]

Summary: %PDF-1.5 % 48 0 obj << /Length 5285 /Filter /FlateDecode >> stream x\Frd`oR)y-_|%uRk]H$N @!iSӿbJe9j{z]/7/]hI-n+‘“Үv[~R2]ڣ]})+]WeӦe]y2?e׷\d֑’Luu)/2

Keywords: obj, stream, urk, үv, ڣ

Full article on | 56 Points and 2 Comments

Researchers have learned to create custom versions of cellular proteins

Summary: William DeGrado, a molecular biologist at the University of California, San Francisco, said the recent studies by Dr. Baker and his colleagues represent a milestone in this line of scientific inquiry.

Keywords: proteins, protein, baker, scientists, amino

Full article on | 55 Points and 18 Comments

Everything That’s Wrong with Hackintosh

Summary: Price It’s correct that on paper the sum of all components do cost less than a comparable Macintosh, but this does not account for the hours you have to invest in building the thing.

Keywords: work, usb, hackintosh, lot, imac

Full article on | 55 Points and 79 Comments

Unstacking the deck

Summary: He instead believes we should ameliorate our inequality problem by equalizing “opportunities for developing merit.” Some of the policies he advocates are convincing, like improving access to birth control (which can allow young women to stay in school), but others are frustratingly parochial, like addressing legacy preferences at university.

Keywords: reeves, upper, top, middle, class

Full article on | 51 Points and 30 Comments

Eruda: Console for Mobile Browsers

Summary: Trigger Error Send Ajax Request Log Message

Keywords: click, bottom, button, inspect, page

Full article on | 50 Points and 8 Comments