5 product lessons to learn before you write a line of code

To uncover some basic truths about building products, we spoke to three entrepreneurs who have each built more than one company.

How Tech Titans Know To Pull The Plug On Projects

Not every new idea is destined to be great. Sometimes even the most promising concepts end up in the scrap pile. You probably never heard about Google Here, but the project was so big that Alphabet CEO Larry Page himself made the final decision to abandon it. Aimed at smartphone users,

Y Combinator Demo Day Winter 2014, Batch 2 – The Dating Ring, Unbabel, Pushbullet, AirHelp, And More

Today's Y Combinator Demo Day started a little differently. Co-founder Jessica Livingston presented YC's former leader and her husband Paul Graham with a pair of his own shorts signed by all of this batch's companies to commemorate Graham passing the torch on to new YC president Sam Altman.

Why Breeding Pedigree Dogs Is Just Eugenics By Another Name

Eugenics is the now-defunct (and creepy!) practice of breeding supposedly superior humans to achieve genetic improvements while sterilizing undesirables. Sound familiar? It's the exact same thing we now do to dogs and it's responsible for a range of health and behavioral issues in them. — Ed.

86 Viral Images From 2014 That Were Totally Fake

We debunked a lot of fake viral photos this year. Eighty-six, to be exact. And that doesn't even include all those fake toilet photos from the Sochi Olympics , those fake Ebola cures , and all the lies that UberFacts helped spread . It was a busy year for fakes.Read more...

Maybe SPACs were a bad idea after all

Welcome back to The TechCrunch Exchange, a weekly startups-and-markets newsletter for your weekend enjoyment.

Leveling the playing field

There is an atmosphere of collaboration, not competition, around the creation of hardware for gamers within the assistive technology community. 

This Week in Apps: Apple talks App Store fraud, responds to antitrust complaints; Facebook growth is

Welcome back to This Week in Apps, the weekly TechCrunch series that recaps the latest in mobile OS news, mobile applications and the overall app economy. The app industry continues to grow, with a record 218 billion downloads and $143 billion in global consumer spend in 2020.

Rocket Lab’s 20th Electron launch ends in failure with the loss of its payload

Rocket Lab flew its 20th Electron mission on Saturday morning, but the launch ran into a significant issue just after its second stage engine ignited. The engine appeared to shut down just after the ignition, which is not what it’s supposed to do,

Amazon launches miniTV, a free video streaming service, in India

Amazon, which already charges some of the world’s lowest charges for Prime Video in India, is going a step further to win more users in the world’s second largest internet market. The e-commerce giant on Saturday launched miniTV,

European AI needs strategic leadership, not overregulation

Proposed EU regulations could cripple AI development in the EU while China and the U.S. leap forward and lead to complete chaos when regulations in various EU bodies start contradicting.

Solana, a blockchain platform followed by top crypto investors, says it’s a lot faster than Ethereum

Solana isn’t known yet outside of the crypto community. But insiders think the blockchain platform is interesting for a wide variety of reasons, beginning with its amiable founder, Anatoly Yakovenko,

CMU teaches its snake robot to swim

The snake robot has been something of an institution in the Carnegie Mellon robotics labs. Every time I visit the school, the biomimetic robot has seemingly learned a new trick. This week, the school announced it has added swimming to the list.

Facebook tests video speed dating events with ‘Sparked’

Facebook confirmed it’s testing a video speed-dating app called Sparked, after the app’s website was spotted by The Verge. Unlike dating app giants such as Tinder, Sparked users don’t swipe on people they like or direct message others. Instead,

What’s fueling hydrogen tech?

Hydrogen is capturing the attention of governments and private sector players, fueled by new tech, global green energy legislation, and post-pandemic “green recovery” schemes.



从零开始编写自己的C#框架(17)——Web层后端首页 - AllEmpty





北京和上海2015年7月3日电 /美通社/ -- 7月3日至5日,中国电信联合美国高通公司联合主办的“2015天翼终端交易博览会暨高峰论坛”在南京国际博览中心举办。



W3C中国区会员沙龙在京召开 W3C CEO Jeff分享W3C未来发展重点

W3C CEO Jeff Jaffe在W3C中国区会员沙龙上与中国区会员就W3C近期开展的工作及未来重要工作方向进行了分享,他表示,W3C会将HTML5延伸到更多技术领域,同时Web支付及Web Of Thing也是他们接下来重点关注的两大领域。

Shiba Inu pups are the best cosplayers you've ever seen

Japan-based Twitter user C_Suzuki has blessed the Internet with photos of the best cosplayers we've ever seenThe best part? The cosplayers are Shiba Inus.While the page is in Japanese, the photos speak for themselves.ワン達のコスプレ画像まとめ☆その412月6日にUpしたまとめ画像とはダブってない…はず(笑)pic.twitter.

Dramatic scenes as Storm Gertrude brings high winds and flood warnings to the UK

Winds of more than 100 miles per hour ripped through the UK Friday, causing destruction in Scotland, Northern Ireland and Wales.Storm Gertrude made landfall on Friday and is expected to bring heavy showers later this weekend. Parts of the UK are under flood and wind warnings and around 4,

野糖网团队新产品 Pick:想帮微商更好地靠品味和个性化服务做生意

“野糖网”是我们此前介绍过的一个以独立设计师资源为特色的快时尚电商平台。今天,“野糖网”团队的新产品“Pick 达人孵化器”正式上线。我们可以把 Pick 看成一款面向非专业微商群体的工具类产品,主要包含两大核心功能:一是向微商开放野糖网的商品库,提供从货源、物流运输到售后的一系列管理服务;二是一套基于算法的个性化商品推荐功能,帮助微商提高个性化服务效率。Pick 产品免费,微商用户推荐朋友下载成功将得到2元的奖励,另外可以提取成交单 10% 的佣金。野糖网与 Pick 之间的关系很好理解。目前 Pick 上的微商只能售卖野糖网平台上的商品,也就是成为了野糖网一条条新的销售渠道。

使用NumPy、SciPy和Matplotlib进行描述性统计 - jasonfreak

目录 1 描述性统计是什么?2 使用NumPy和SciPy进行数值分析 2.1 基本概念 2.2 中心位置(均值、中位数、众数) 2.3 发散程度(极差,方差、标准差、变异系数) 2.4 偏差程度(z-分数) 2.5 相关程度(协方差,相关系数) 2.6 回顾3 使用Matplotlib进行图分析

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