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16,958 bookmarks · page 298 of 340
2019-12-13 · hbr.org

Why Crowdsourcing Often Leads to Bad Ideas

Most crowdsourcing initiatives end up with an overwhelming amount of useless ideas. Dealing with a full submission box is not only extremely time consuming and costly, it also biases how ideas are selected: When firms receive too many ideas, they tend to focus on ideas that are…

2019-12-11 · explained.ai

The matrix calculus you need for deep learning

Most of us last saw calculus in school, but derivatives are a critical part of machine learning, particularly deep neural networks, which are trained by optimizing a loss function. This article is an attempt to explain all the matrix calculus you need in order to understand the…

2019-12-11 · museuminabox.org

Museum in a Box

A small, friendly device you put museum objects on to hear their stories... It's history that speaks for itself!

2019-12-11 · practicalecommerce.com

23 Free Web Design Tools from Fall 2019

Free resources from the design community can add value to your ecommerce site. Here is a list of new web tools and design elements from fall 2019. There are designer and developer apps, coding resources, color tools, fonts, and more. All of these tools are free, though some also…

2019-12-10 · longreads.com

Anyone’s Son

Cody Dalton Eyre, a 20-year-old Alaskan Native, was having a mental health crisis on Christmas Eve, 2017 when his mother called 911 for help. So why did police officers end up shooting and killing him?

2019-12-09 · altaonline.com

The Hummingbird Whisperer

They’re tiny and they hover, and they’re one of only three groups of birds that are vocal learners. They sing with their mouths andtheir feathers. No wonder UC Riverside researcher Chris Clark is obsessed with hummingbirds.

2019-12-08 · getpocket.com

Alone at the Top of Texas

With the state’s four highest peaks, Guadalupe Mountains National Park offers incredible vistas and rewarding trails, which you just might have mostly to yourself.

2019-12-05 · neatorama.com

The Story of the Game Operation

When you were a kid, it was always fun to play Operation, a game in which you fished parts out of a patient named Cavity Sam, and you had be precise or you'd complete an electric circuit and a buzzer would sound. It was not the first game based on an electric circuit- Ben…

2019-12-05 · neatorama.com

The Depths of the Sea

What creatures live in the depths of the sea? Manatees go about 6 meters into the depths of the water. Polar bears will dive down as far as 24 meters. A thick-billed murre, which is a bird, will search for food as deep as 210 meters.It's a long, long way down past that. Neal…

2019-11-29 · notesonliberty.com

Paradoxical Geniuses: “Let us burn the ships”

In 1519, Hernán Cortés landed 500 men in 11 ships on the coast of the Yucatan, knowing that he was openly disobeying the governor of Cuba and that he was facing unknown numbers of potential enemies…

2019-11-29 · rubyweekly.com

UUID Primary Key in Rails 6 with PostgreSQL and ActiveRecord

UUID also known as GUID is an alternative primary key type for SQL databases. It offers some non-obvious advantages compared to standard integer-based keys. Rails 6 release fresh out of beta introduces a new feature in ActiveRecord that makes working with UUID primary keys more…

2019-11-28 · getpocket.com

Crossed Stitches

Beverly Pennington was a Pinterest-perfect entrepreneur whose patchwork quilts—made from people’s most treasured T-shirts—found thousands of devotees all over the country. But when the quilts stopped coming, leaving the shirts in limbo, her customers pieced together a plan to…

2019-11-27 · getpocket.com

The First Family of Counterfeit Hunting

Robert Holmes taught his sons everything he knew about exposing black-market knockoffs. Now they take down the world’s biggest scammers while dodging threats from the mob.

2019-11-27 · getpocket.com

Snow’s Queen

On Saturdays Tootsie Tomanetz cooks barbecue the old-fashioned way for legions of loyal fans. That doesn’t mean she’ll ever give up her day job.