• WebRTC many to many video conference with Kurento and Scala Actors

    Today I would like to show you a WebRTC many to many video streaming demo with Kurento server and Scala Actors. Video broadcasting to wide audience from private rooms is the main feature. Let me specify the advantages of Scala Actors concept such as: –…
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  • How much does it cost to maintain TikTok servers?

    TikTok is a super popular social network that allows users to create short video clips and instantly share it with the world.  At this exact moment, while I’m writing, 700 million of active users spend on average 52 minutes on TikTok every single day! What…
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  • Introduction to Node-RED

    What is Node-RED   Node-RED advertises itself as “a visual tool for wiring the Internet of Things”. But actually, it can be easily used for other applications to quickly assemble flows of services and rapid project prototyping. The focus is on a “visual programming” approach…
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  • How much does it cost to maintain Twitch infrastructure?

    Almost every gamer loves to watch how others play, resulting in Twitch being a super popular video streaming platform as it is! According to TwitchTracker.com in August 2019 only, Twitch have shown 999 Million Hours of video content to viewers. Average concurrent viewers reached 1,342,559. What…
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  • Modern WebRTC video conferencing applications

    Raise your hand those of you, who knows, at least, one business that doesn’t use video conferencing in their daily work? Since proper communication is critical, businesses use various messengers like Skype, Google Hangout, etc. And at some point a company would find out that…
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  • HQ Trivia software architecture

    HQ Trivia attracts millions of players every day and a lot of our customers ask the question “What is the architecture behind HQ Trivia?” Let’s try to uncover the mystery in this blog post. I won’t go into very technical details, the goal is to…
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  • HQ Trivia in a nutshell, what are the monthly infrastructure costs?

    Last year saw the release of the highly popular trivia game: HQ Trivia. In fact, it now attracts over 1 million players per game. The company behind that game has recently raised $15 million in new funding raising their value to $100MM. What a great success! The…
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  • Predictive lazy loading in JavaScript

    In today’s world of web technologies, we all can witness a never-ending race for better performance. Developers are trying their best to reduce the size and the amount of downloadable resources and working hard to minimize download time. Imagine, there is a single-page application, and…
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  • HQ Trivia business model, how much $$$ do they get?

    Most obvious HQ Trivia’s business model consists of next: They sell “extra lives” to users for $3.99 one or $9.99 for three lives They show advertisements during the game, sponsors pay By increasing game user base they increase company valuation. Probably they have some other…
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  • Arc points calculation in spherical coordinates for DMX Moving Head

    From time to time in the process of developing software engineers come across various mathematical issues. Usually those issues are easy fixes and can be resolved applying elementary mathematics, but sometimes we are facing complex and intriguing task. Please, see below a case study, I…
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