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The big interview with Martin Kleppmann: “Figuring out the future of distributed data systems”

JUG Ru Group corporate blog Programming *Conferences Distributed systems *Interview


Dr. Martin Kleppmann is a researcher in distributed systems at the University of Cambridge, and the author of the highly acclaimed «Designing Data-Intensive Applications» (O'Reilly Media, 2017). 

Kevin Scott, CTO at Microsoft once said: «This book should be required reading for software engineers. Designing Data-Intensive Applications is a rare resource that connects theory and practice to help developers make smart decisions as they design and implement data infrastructure and systems.»

Martin’s main research interests include collaboration software, CRDTs, and formal verification of distributed algorithms. Previously he was a software engineer and an entrepreneur at several Internet companies including LinkedIn and Rapportive, where he worked on large-scale data infrastructure.

Vadim Tsesko (@incubos) is a lead software engineer at Odnoklassniki who works in Core Platform team. Vadim’s scientific and engineering interests include distributed systems, data warehouses and verification of software systems.

Contents:


  • Moving from business to academic research;
  • Discussion of «Designing Data-Intensive Applications»;
  • Common sense against artificial hype and aggressive marketing;
  • Pitfalls of CAP theorem and other industry mistakes;
  • Benefits of decentralization;
  • Blockchains, Dat, IPFS, Filecoin, WebRTC;
  • New CRDTs. Formal verification with Isabelle;
  • Event sourcing. Low level approach. XA transactions; 
  • Apache Kafka, PostgreSQL, Memcached, Redis, Elasticsearch;
  • How to apply all that tools to real life;
  • Expected target audience of Martin’s talks and the Hydra conference.

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Total votes 13: ↑12 and ↓1 +11
Views 2.3K
Comments 0

Grow Your Revenue Using In-app Purchases

Development of mobile applications *Mobile applications monetization *Mobile App Analytics *
In 2019, things are going to shake up particularly with regards to in-app purchases and the best approach. In the event that you are eyeing to procure great income from these administrations, at that point you should look at the tips underneath.

Introduce Timely Discounts

Given the relentless challenge in the Mobile app world, it is significant that you venture up your game. One of the techniques that you can actualize is having constrained time offers. In doing this, you get the chance to publicity the item or administrations among versatile app clients. The time factor is likewise vital as you don't wish to overstretch the markdown offers.

Besides, you have to bring on board mastery to enable you to think in transit forward with regards to the limits. Keep in mind, you should be strategic in request to gain more income and clients.

Adventure into Partnerships

It is anything but difficult to fly solo with regards to Mobile apps however you can't neglect the need accomplices. As you advance your items and administrations, it is significant that liaise with substances that can support your incomes.

In any case, picking the best corporate to connect with is no stroll in the recreation center. You will be required to investigate how their items/administrations can enable you to manufacture your image. Under this, you may have joint effort between an application for wearable emergency clinic gadgets and social insurance association. The outcome will be an increase in the number of clients accessing the in-app purchases.

Besides this, you may pick to package together at least two items under your image when pushing the in-app purchases.
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Total votes 12: ↑10 and ↓2 +8
Views 648
Comments 0

Essential on-site SEO factors

Internet marketing *Search engine optimization *
With this post, I start a series of SEO related articles where I'm going to share my 11+ years experience in SEO to help you understand better how it works. The top-rated comment on Reddit in the post I saw last week What do you wish developers knew about SEO? was: «The most dangerous thing in SEO is a developer that thinks he understands SEO. They so rarely do». So this article is for developers who want to deliver a better SEO for clients and SEO beginners, as well as for the entrepreneurs, who are about to hire an SEO agency. You need to understand, why some sites are on top in search results and some will never be there.

on-site SEO factors
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Rating 0
Views 755
Comments 4

Open source tool for intent-based search quality validation

IT systems testing *Development for e-commerce *Search engine optimization *
No matter how cool your search solution is, without a reliable way of testing it you will not be able to do any improvement without breaking something valuable.

Even a tiny increase in overall search result quality might have a noticeable effect on conversion rate. Naturally, you can use exit-rate to judge if your search needs improvements and do required adjustments, but will you be able to make sure those changes are safe? What if improved relevancy for a specific category breaks search for several other categories?

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Moreover, high exit-rate means no matter what you are going to do, the problem has taken place, so dozens of customers already didn’t manage to find what they were up to. Basically, the only way to proceed is to have a reliable search quality validation approach.
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Total votes 7: ↑6 and ↓1 +5
Views 753
Comments 0

Top 10 Chat, Audio & Video Calling API & SDK Providers for Enterprise Business

Instant Messaging *Conferences Social networks and communities
The Worlds Leading Real-time Messaging, Audio & Video Chat Solutions That Made Biggest Impact In 2019

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With the growing trend of digitalization, most enterprises have transformed their communication methodology from mainstream to digital. In order to keep up with competitors, companies regularly upgrade their services, specially the way they relay information to their customers as well as their employees. Today, seamless real-time networking plays a critical role in engaging with individuals and enterprises, and the best way to implement such a feat is onboarding a Real-Time Chat, Voice & Video Calling SDK/API providers.
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Total votes 5: ↑5 and ↓0 +5
Views 43K
Comments 4

Setting up network sales channels for DO-RA gadgets

Amazon Web Services *Internet marketing *Gadgets IOT Medical gadgets
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Introduction


In early March 2019, Intersoft Eurasia team completed work on a test batch of DO-RA gadgets — personal, cross-platform dosimeters-radiometers to monitor the radiation situation at the measurement site, compatible with iOS and Android smartphones and tablets.

By buying such a device, the user receives the following: reliable electronics which have undergone radiation testing in the factory laboratory, stylish colored case in the spirit of Malevich ;) for every taste, gift packaging, color insert instructions in Russian and English, special USB charging cable, a free updateable DO-RA.Pro application from the App Store and Google Play.

The next step in our project implementation is to find the best sales channels for Made in Russia products in the challenging environment of stagnant purchasing power.
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Total votes 13: ↑11 and ↓2 +9
Views 725
Comments 6

How Many Developers Need to Create Service Like Airbnb

Development of mobile applications *Server Administration *Mobile App Analytics *
Back in 2007, Brian Chesky and Joe Gebbia shared a room in San Francisco and were unable to pay rent on time. As a way out, they decided to turn their living space into a simple bed-and-breakfast hotel to get some money from travelers. If you love traveling i can advice you Travel news site. A year later, the venturers launched a website which evolved into the most famous peer-to-peer renting technology service called Airbnb.

 Now, the company has 3,100 employees and generates insane revenues for its founders. The statistics say that Airbnb has 150 million registered users, 3 million hosts, and 4 million listed offers. The service covers 80,000 cities in 190 countries, and, interestingly, 50% of traffic comes from mobile applications.

  These figures are so impressive that you may also want to create your own Airbnb clone and become successful. But slow down. This story is already written; do you really need to create a marketplace similar to Airbnb?
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Total votes 14: ↑13 and ↓1 +12
Views 2.7K
Comments 0

How to build a brand?

Branding
Let's see what we mean when we talk about a brand. A brand is, first of all, associations that people immediately have when they hear the name of your company, mobile application, website, etc.

Brand building is a long process. Be prepared that it will take not one, not two, or even 6 months — you must be ready to work on it all the time.
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Total votes 11: ↑10 and ↓1 +9
Views 873
Comments 0

Top game development companies in the world

Game development *Games monetization *Game design *Games promotion *

The game industry is growing, especially among small, independent development companies. If you're looking for a game development company, let's take a glimpse at some top game development companies ranked, basing the list on games, as well as the number of existing players and uniqueness.


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Total votes 12: ↑10 and ↓2 +8
Views 8.9K
Comments 3

The effectiveness of the marketing funnel AARRR

Display advertising *Contextual advertising *
Sandbox
AARRR stand for:

• Acquisition.
• Activation.
• Retention.
• Revenue.
• Referral.

AARRR (also called the Pirate Metrics) describes the sales funnel. At the top of the funnel are visitors who only saw your application, or just downloaded it and still do not know how they will interact with it. Next, visitors are registered — of course, if it is provided by the functionality of the application.

Now they (you can start calling them users) reach the moment when they have to understand the value of the product and decide to remain its user, i.e. start buying some services, recommend the application to your friends and, in general, constantly return to the application for any purpose, or delete it from mobile device.

You will not have another chance to impress the user!

The AARRR framework forces developers to measure their sales funnel numerically. At every stage.
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Total votes 12: ↑11 and ↓1 +10
Views 1.9K
Comments 2

Top mobile app development companies

Development for iOS *Development of mobile applications *Development for Android *Mobile applications design *Mobile applications monetization *
Looking for an app development company? I’ve searched for information about it and made this list. It might help to find an app development company to hire. The list contains basic information about each company included in it like company size, hourly rate, min. project size, etc. And I recently decided to upgrade the list to 100 app development companies.
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Total votes 23: ↑18 and ↓5 +13
Views 7K
Comments 2

Congratulations Imagine Cup EMEA Regional Final Champions: Team Finderr from the United Kingdom! Russian team is third

Microsoft corporate blog Start-up development Conferences

Imagine EMEA group photo blog.jpg


The Imagine Cup 2019 competition is well underway with our second Regional Final wrapping up in Amsterdam, the Netherlands this week. Team Finderr from the United Kingdom took home the first-place title and a spot in the World Championship for their app solution to find lost objects with a smartphone. Congratulations!

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Total votes 7: ↑6 and ↓1 +5
Views 399
Comments 0

The History of SXSW: How It All Started

vscextv corporate blog Community management *Start-up development Conferences History of IT
SXSW is a festival of culture and technology held every spring in Austin, Texas. It’s a global phenomenon, with hundreds of thousands attending the event every year and millions more following the media coverage. Even if you’ve never heard of it, you’ve certainly felt its influence on our culture.

But it wasn’t always that way.

Total votes 10: ↑9 and ↓1 +8
Views 1.2K
Comments 0

How Protonmail is getting censored by FSB in Russia

Habr corporate blog Information Security *Habr Server Administration *Legislation in IT
Translation

A completely routine tech support ticket has uncovered unexpected bans of IP addresses of Protonmail — a very useful service for people valuing their Internet freedoms — in several regions of Russia. I seriously didn’t want to sensationalize the headline, but the story is so strange and inexplicable I couldn’t resist.


TL;DR


Disclaimer: the situation is still developing. There might not be anything malicious, but most likely there is. I will update the post once new information comes through.


MTS and Rostelecom — two of the biggest Russian ISPs — started to block traffic to SMTP servers of the encrypted email service Protonmail according to an FSB request, with no regard for the official government registry of restricted websites. It seems like it’s been happening for a while, but no one paid special attention to it. Until now.


All involved parties have received relevant requests for information which they’re obligated to reply.


UPD: MTS has provided a scan of the FSB letter, which is the basis for restricting the access. Justification: the ongoing Universiade in Krasnoyarsk and “phone terrorism”. It’s supposed to prevent ProtonMail emails from going to emergency addresses of security services and schools.


UPD: Protonmail was surprised by “these strange Russians” and their methods for battling fraud abuse, as well as suggested a more effective way to do it — via abuse mailbox.


UPD: FSB’s justification doesn’t appear to be true: the bans broke ProtonMail’s incoming mail, rather than outgoing.


UPD: Protonmail shrugged and changed the IP addresses of their MXs taking them out of the blocking after that particular FSB letter. What will happen next is open ended question.


UPD: Apparently, such letter was not the only one and there is still a set of IP addresses of VOIP-services which are blocked without appropriate records in the official registry of restricted websites.

Total votes 66: ↑64 and ↓2 +62
Views 7.3K
Comments 4

How to promote an incremental game? Free of charge, fast and effective*

Game development *Game testing *Game design *Games promotion *
Tutorial
If you ever created a game, you probably ran into the same problem as a lot of game developers before you: nobody knows about your game. In the article, I will tell you how to promote an incremental** game for free, fast and somehow effective.
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Total votes 11: ↑10 and ↓1 +9
Views 1.4K
Comments 0

10 Things About Technical SEO Every WordPress Site Owner Needs to Know

Search engine optimization *
Any blogger who was brave enough to create his WordPress blog sooner or later faces a question of how to get more visitors. One of the most reasonable ways to attract them is to promote a website in organic search results. This process usually starts from technical optimization that scares most beginners. To overcome your fear of SEO, we've prepared a list of 10 key technical SEO aspects you need to handle.
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Total votes 16: ↑15 and ↓1 +14
Views 986
Comments 2

Top 10 Mobile App Development Companies for Enterprise & Startups

Development for iOS *Development of mobile applications *Development for Android *Mobile applications design *Mobile applications monetization *

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The mobile app developers are exceptionally intrigued by conveying 100% fulfillment outcome for the entrepreneurs. By having top 10 mobile app development companies, it is crucial for working with an effective outcome and does the worldwide system. In this way, get assistance from the professional mobile app developers and grow the business in like manner.

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Total votes 11: ↑10 and ↓1 +9
Views 4.2K
Comments 3

Meet A Content Strategist: An Interview with Dmitry Kabanov, Techstars Startup Digest curator and SXSW Advisor

vscextv corporate blog Content-marketing *Media management *Biography of geeks Interview
Dmitry learned the language of business but I think about the world as an engineer. He works with tech brands to create content and promote corporate culture at scale. Apart from it, he is one of the veterans at Techstars Startup Digest, and he is acting as an advisor for the SXSW tech festival.

Here is his interview with the LAMA app platform.

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Total votes 19: ↑19 and ↓0 +19
Views 669
Comments 0

The Game of Archetypes: How Storytelling Works for Tech Brands

vscextv corporate blog Project management *Content-marketing *Media management *Branding
How’s your work week going? I took some time off publishing new articles and consulting clients to look at «The Hero and the Outlaw» by Carol Pearson and Margaret Mark. It’s a guide to leveraging the power of archetypes for your brand, and I think there’s much to learn from it.

Archetypes are properly defined as «universal constructs of the human psyche». In layman’s terms, these are images we all recognise because they’re built into our subconscious mind. One such example is the archetype of the hero  —  a good guy who triumphs over evil and saves the day.

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Total votes 22: ↑21 and ↓1 +20
Views 1K
Comments 1