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Engineering News

What’s New with Dimensional Weight?

by Rich Lindgren, CPPChainalytics We are about half way into 2015 and the new Dimensional Weight pricing model issued by UPS and FedEx earlier this year. Fortunately, many shippers and 3PLs have been able to avoid the price increases taking immediate effect thanks to negotiation or multi-year contracts that haven’t yet expired.  (If dimension weight charge is news to you, check back on this previous blog entry.) Rumblings and rumors from the packaging and supply chain industries suggest that the carriers are…

Testable IO in Haskell | IMVU Engineering Blog

By Andy Friesen At IMVU, we write a lot of tests. Ideally, we write tests for every feature and bugfix we write. The problem we run into is one of scale: if each of IMVU’s tests were 99.9% reliable, 1 out of every 5 runs would result in an intermittent failure. Tests erroneously fail for lots of reasons: the test could be running in the midst of the “extra” daylight-savings hour or a leap day (or a leap second!). The…

Simplifying Map Production

When news happens in locations that our audience may not know very well, a map seems like a natural thing to include as part of our coverage. But good maps take time.* In ArcMap, I’ll assemble the skeleton of my map with shapefiles from Natural Earth and other sources and find an appropriate projection. Then I’ll export it to .AI format and bring it into Adobe Illustrator for styling. (In the example below, I also separately exported a raster layer…

Edge Crush Test vs. Box Compression Test

Edge Crush Test vs. Box Compression Test (aka ECT vs. BCT): New Performance Metrics for Corrugated Square Off by Rob Kaszubowski, CPP As packaging consultants we are constantly faced with the challenge of learning a client’s vernacular and acronyms – as well as common acronyms within the packaging industry. For years the standard for corrugated packaging has been the ECT or Edge Crush Test. Edge crush slowly surpassed Mullen burst as the standard metric for corrugated strength. (Read more about…

Let’s Tesselate: Hexagons For Tile Grid Maps

A hexagon tile grid, square tile grid and geographic choropleth map. Maps by Danny DeBelius and Alyson Hurt. As the saying goes, nothing is certain in this life but death, taxes and requests for geographic data to be represented on a map. For area data, the choropleth map is a tried and true visualization technique, but not without significant dangers depending on the nature of the data and map areas represented. Clarity of mapped state-level data, for instance, is frequently…

Tech note: Connecting to an Amazon RDS database from a legacy EC2 server

By David Eads | May 08, 2015 Amazon’s Relational Database Service (RDS) is an excellent way to host databases. The service is affordable, low-maintenance, and self-contained. If you use the Amazon cloud, there are precious few reasons to maintain your own database server. At some point, Amazon started requiring RDS instances to use Virtual Private Cloud (VPC) networking. However, if you’re like the NPR Visuals team, you might have older Amazon Elastic Cloud Compute (EC2) server instances that…

Product Packaging Strategies to Maximize Profitability

Kuerig used Pulp Packaging for three great reasons , cost ,the environment, and as far as i am concerned the best is it can be stomped on and deposited flat in my recycling bin. As a low volume ,low setup cost manufacturer of custom molded pulp we hope more companies give it a chanceRobin TremblayPulpPackaging.com ReplyDelete Source link…

Audio in the Browser: Horrors and Joys – Learning

At NPR, we create some of the finest audio storytelling in the world every day. When our radio reporters go into the field to gather stories, they often have a team of audio producers gathering interview clips and natural, found sounds of the highest quality. On the web, audio has never enjoyed the wide browser support and investment that other forms of media, such as images and videos, have received. This means working with audio as a web developer can be…

OneEleven – Post Tensioned Transfer Deck

  The high-rise building located at 111 W. Wacker Drive in downtown Chicago was formerly known as the ‘Waterview.’  The structure was originally designed as an 89-story luxury hotel located along the Chicago River.  The construction of the conventionally-reinforced building progressed until the 27th floor when the 2007 economic recession hit the U.S.  Ultimately, the original project was shelved due to financing issues.  The unfinished building became a visible eye-sore in the heart of Chicago for several years.  Fortunately, a…

Better, faster, more: recent improvements to our dailygraphics rig

In the past couple weeks the Visuals team has consciously shifted resources to focus on the parts of our work that have the highest impact. As part of this reorganization the graphics team has grown from one (Graphics Editor Alyson Hurt) to two—the second being me! Having a dedicated engineer working on daily graphics means we are doubling down both the amount of content we can create and on the tools we use to create it. For the last week…