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Category: Computer Engineering

Putting smart weapons to the test

University of Delaware Professor Fouad Kiamilev (electrical and computer engineering) holds the heart of an early infrared projector prototype built by members of his CVORG lab team in 2009. Their newest prototype has 1,000 times more pixels and offers the US Air Force far better testing technology. Credit: Kathy F. Atkinson/ University of Delaware In the old days, a slingshot, BB gun, rifle or cannon was only as smart as the marksman taking aim. Now, many weapons are guided to…

3-D printing materials for wound care and decorative elements

Cellulose nanofibrils have properties that can improve the characteristics of bio-based 3-D-printing pastes. VTT Technical Research Centre of Finland is developing a 3-D wound care product for monitoring wound condition in hospital care. However, the first commercial nanocellulose applications will be seen in indoor decoration elements, textiles and the production of mock-ups. 3-D printing has proven to be an efficient manufacturing method for complex, customised and light structures. In addition to thermoplastics, 3-D printing materials include metals, ceramics and foodstuffs.…

Adsterra : Smart Advertising and Monetization for Advertisers & Publishers

Do you own a website and looking for options to make it more profitable? Well, there are platforms and better alternatives to Google Adsense for publishers and advertisers who are in continuous search of affordable medium for targeted exposure. We were doing our own research in this domain and stumbled upon Adsterra Ad Network. Started in 2013, Adsterra network is a now a premium advertising network serving over 10 billion targeted impressions per month. This exponential growth had expanded its…

Query Analyzer: A Tool for Analyzing MySQL Queries Without Overhead

Benchmarking CPU utilization with various tools   Metrics Collection For the initial version of Query Analyzer, we have used MySQL to handle the metrics (basically a time-series data). There are two tables: query_history and query_info. The query_history is where we save information from the query hashmap. It has these columns: hostname, checksum, timestamp, count, query time, user, and db. The primary key is (hostname, checksum, timestamp), and the range partitions are by timestamp, with subpartitioning by key on hostname. It…

Stepping Up the Cloud Security Game

TL;DR: securing our Cloud infrastructure is incredibly important. We are now taking another step forward by leveraging open source tools we developed in partnership with Google. Spotify engineering teams are fully embracing the devops culture: to increase development speed every dev team is responsible for their operational pipelines. From a security perspective we are continuously striving to bake security into those pipelines by leveraging security automation and self serve security tooling. The industry lingo for this is “SecDevOps”. The friction…

As Seen on TV

Chris Cantwell, Co-Creator and Show Runner, Halt & Catch Fire Moderator: John Graham-Cumming, CTO, Cloudflare Photo by Cloudflare Staff CC: first off, we have very low ratings! The story came from my father who worked in computers in the early 80s in dallas; later in california. The dynamic between those characters was influenced by my dad. This was largely a story about reverse engineering. The underdog story was interesting: not Bill Gates, not Silicon Valley, but a different story about…