Shield yourself this spring with a $17 insect-repellent wristband

TL;DR: As of March 18, the Super Shield Mosquito Repellent Electronic Watch Band is on sale for only $16.99 instead of $39.95 — that's 57% in savings just in time for mosquito season.Spring is coming, and insects will be irritating us in no time. Instead of relying solely on bug spray,

'Quordle' today: Here are the answers and hints for March 27

If Quordle is a little too challenging today, you've come to the right place for hints. There aren't just hints here, but the whole Quordle solution. Scroll to the bottom of this page, and there it is. But are you sure you need all four answers? Maybe you just need a strategy guide. Either way,

Get lifetime access to these stacked learning bundles for under £100

TL;DR: The Ultimate Lifetime Bundle of StackSkills, Infosec4TC, and Stone River is on sale for £98.87, saving you 99% on list price.You never have to be done learning if you don’t want to. With time and a little motivation, you could pick up exciting new hobbies, marketable new skills,

How to watch the Masters 2023 livestream online for free

SAVE 49%: ExpressVPN can access the Masters for free. A one-year subscription to ExpressVPN is on sale for £85.52 and includes an extra three months for free — 49% off. Subscribers also get a money-back guarantee that can be used to stream for free.Golf fans are a seriously dedicated bunch,

'Succession' Season 4, episode 1: The final season begins the same way the show started

It's our last first day at Succession school. The final season of HBO's remarkable hit on billionaire echelons who've become the internet's favorite fancam material is finally here, and things are kicking off with a familiar festivity. Like its Season 1 pilot episode,

'Succession' Season 4: What's the real meaning of the final scene with Logan in episode 1?

We've had a recent hit of apocalyptic heartbreak with The Last of Us, we're currently getting our fix of survival-based scares with Yellowjackets, and here to round off the holy trinity of misery with some good old fashioned psychological-trauma-mixed-with-familial-dread is the return of Succession.

Wordle today: Here's the answer, hints for March 27

Yikes, it's Monday again. Hopefully, a brand new Wordle can brighten your day. If you're struggling, don't worry — we're here with our daily hints and tips to help you figure out the solution.If you prefer to just be told the answer,

Microsoft threatens to cut-off rival AI chatbots from Bing data

The AI chatbot wars are heating up, apparently. Microsoft is reportedly considering barring other companies from using data from its search engine Bing.

'Shadow and Bone' showrunner Eric Heisserer breaks down Season 2's biggest changes from the books

Netflix's epic fantasy series Shadow and Bone is the most interesting adaptation on TV right now. It draws not just on Leigh Bardugo's Shadow and Bone trilogy, which kicked off her massively successful Grishaverse series,

Pay just once to access Microsoft Office programs on Mac or Windows forever — only $50

TL;DR: As of March 18, you can get a lifetime license to Microsoft Office Home and Business for Mac or Windows for just $49.99 instead of $349. That means no more monthly payments.If you've recently made changes to your tech arsenal,

Save 30% on this portable laser cutter and engraver for wood, stone, and metal

TL;DR: As of March 18, the Aufero Portable Mini Laser Cutter and Engraver is on sale for $279.99 — that's 30% off its usual cost of $399.Whether you’re trying to make waves at your next farmer’s market or just create some low-cost birthday presents,

Amazon Cloud Drive Photos For iOS Gets A New Look, Better Navigation & More

Amazon’s Cloud Drive suite of services – file storage and sync, streaming music, and online photos – have always felt like something of an also-ran compared with market leaders like Google, Dropbox, Yahoo, and others. But things are slowly changing.

Two Cities Ask the FCC To Preempt State Laws Banning Municipal Fiber Internet

Jason Koebler writes Two cities—Chattanooga, Tennessee, and Wilson, North Carolina—have officially asked the federal government to help them bypass state laws banning them from expanding their community owned, gigabit fiber internet connections. In states throughout the country,

node.js web开发:EXPRESS 4.x 以上使用session和cookie 的记录 - lgphp

关于session 和cookie 我搞了2-3天, 发现这个玩意也挺麻烦的. 很多教程都是把这种会话保存在nosql里面,比如mongo,或者redis等等.但是我还是想直接保存在计算机的内存中,比较符合传统的方式.网上也有很多这方面的文章,

A Sidecar That Lets Strollers Accommodate an Extra Passenger

So that first baby was a success, and you're thinking about adding a second to your family's roster, but that expensive stroller you bought only accommodates a single passenger who isn't ready to walk yet. You can either give up on the idea of having more kids,


前些年挺火的某相亲节目里,一位姑娘的话成为了大家津津乐道的焦点:“我宁愿坐在宝马里面哭,也不愿坐在自行车后面笑。”   昨天又有朋友开玩笑的时候提起这个,我却突然发现,这句话本身就是个BUG。   

7 advanced yoga poses you should not try at home (yet)

What do dogs, crows and trees have in common? They all have their own yoga poses, of course.See also: What $1,500 in Rent Gets You in 11 U.S. CitiesExperts have sung praises about the many health benefits of yoga over and over — increased blood flow, better posture,

CrunchWeek: Tech Makes Money, Reddit’s Implosion Continues, And Your Favorite Startup Is Doomed

Hello my friend, and welcome back to another episode of CrunchWeek. We’re glad that you are with us today. This time ’round Drew Olanoff, Sarah Lane, and your humble servant discussed three of the week’s largest stories: The massive spike in technology earnings,

苹果下滑众人唱衰?iPhone 7 将会轻松破解

不得不说苹果上一个财季的财报真是影响深远,毕竟那是 iPhone 史上第一次下滑。不仅如此,苹果公布的第二财季指导性预期也是令人失望。很自然的,在那之后苹果迎来了一波 8% 的股价下跌。分析师和坊间关于“苹果真要开始走下坡路了”的论调也是至今都十分热门。不过当我们回顾历史,会发现此情此景和 2014 年前后其实非常相似,而且苹果也将会像两年前那样,重新回到期望的高峰。  2014 年前后发生了什么事?让我们简单回顾一下:苹果在 2012 年的时候股价达到了史无前例的 90 美元,这一次从 2009 年开始的持续上升带来了 450% 的收益。

Researchers Just Made a Breakthrough in Growing Crops During a Drought

Drought is spreading across farmland worldwide—and it’s only going to get more intense. New research offers a clue on how we might be able to continue to grow the staples we’re used to but with much less water.Read more...


好问题,正好前不久我和芝大的一个教授闲聊的时候说过这个话题,因为平日里大家都adverse selection的叫来叫去,但是为什么adverse selection是adverse 的似乎还真不知道?他的理解是:在逆选择的情况下,一般至少有A, B 两种人,同时还有两个“套餐”分别为A和B设计,如果A选了为B设计的套餐或者B选了为A设计的套餐,所以选择反了,就是adverse selection。这种情况下,显然adverse selection是作为“反向”理解的。不过他是个做实证起家的,所以他的角度和我的理解稍有不同,我认为逆向也是反向,但是是从委托-代理的角度来逆的。

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