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Python Junior Plus, or the beginner's Roadmap to becoming a Python programmer

Python *Programming *IT career

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Hello! My name is Mikhail Emelyanov, I am embedded software engineer, and I was inspired to write this little roadmap on the capabilities of Python language by a certain commonality among the existing Python tutorials found on the web.


The usual suggestions to study, say, “Algorithms and Data Structures” or “Databases” are especially jarring. You can spend years studying these topics, and even after decades you'd still be able to find something you didn't know yet even without ever venturing outside the scope of Algorithms!


Using video game analogies, we can say that novice programmers often stand on the shore of the lake of boiling lava with an island with the ever-coveted jobs in the center, while the islands in between, which you have to jump on, gradually increasing your skills in successive mini-quests, are either missing, or arranged haphazardly, or their fairly smooth sequence breaks off, never having managed to get you any farther from the shore. Let's try to build a path of hint islands, a number of which, although not without effort, will finally allow us to reach our goal.

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Views 430
Comments 2

Startup story — how we pivoted mobile apps and business from «beauty Uber» to «beauty coworking»

Development of mobile applications *Mobile applications design *Mobile applications monetization *Start-up development Business Models *
Sandbox

Hi everyone! My name is Dmitrii Konstantinov and this is a personal story of experience and growth in a cozy startup. How we made a business pivot and adapted the server and mobile apps for it. What challenges did we face and how did we solve them.

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Total votes 3: ↑3 and ↓0 +3
Views 374
Comments 2

Methodology for calculating results of a task set: taking into account its level of difficulty

IT Infrastructure *Mathematics *Statistics in IT IT-companies

In the world of academic knowledge evaluation, objective calculation of large data presents a serious problem. Can a student studying in an Advanced Maths class and getting B-marks be evaluated equally with another student, getting B-marks in a General Maths class? Can we create a system that would take into account the level of difficulty those students face?

This article will describe a system of independent evaluation we have been using for school olympics in five subjects (Mathematics, English Language, Russian Language, Tatar Language, Social Science) for students grades 1 to 11. In each academic year we organise six qualification tournaments, with about 15,000 students from different regions of Russia. Then we select the top ten participants in each subject and each grade for their future participation in the final (seventh) tournament, where only the best of the best are chosen. It means that 550 participants compete in the final tournament, which is about 5.5% of all participants in the academic year. 

It is obvious that those multiple tournaments cannot be absolutely homogenous, and inevitably the levels of difficulty for each set of tasks vary. Therefore, it is critical for us to take into consideration those variations of difficulty and calculate the results in the most objective manner.

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MUST HAVE FEATURES IN YOUR CRM

ИНТЕРВОЛГА corporate blog CRM systems *Business Models *

One of the major challenges facing companies that transitioned online is how to deliver quality and personal customer service to their clients without face-to-face interaction. It’s true that technology can cause exponential growth to companies. However, business owners and leaders must also guard this important aspect of running a business. Fortunately, there are now a lot of CRM systems or customer relationship management systems available online.

What are the features and objectives of CRM tools? Its most basic definition is any technology in the form of a system or an app that aims to manage all your relationships and interactions with clients and potential customers. 

Today, over 87% of businesses use a cloud-based CRM. That’s because it enhances business relationships and operations by giving organizations a more streamlined way to interact with their leads and customers. A CRM system enables companies to engage their customers, simplify processes, and increase income generation.

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Ten “Soft Skill” Job Interview Mistakes

Иннотех corporate blog Personnel Management *IT career Reading room IT-companies
Translation
Tutorial

A job interview is one of the most stressful life events. According to research IT specialists change their jobs every 2-3 years, and every tame they are faced with interviews with HR, tech leads and future managers. Artem Golovachev, Director of IT architecture at Innotech, shares his insights on how to successfully pass an interview.

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Views 1.5K
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How to be an effective engineer?

Programming *Product Management *

This question comes up for a lot of us as we trying to advance our career and reach new heights. At the moment when I was challenged by it, I came across a wonderful book by Edmond Lau "Effective Engineer".

As always going through the book, I write new thoughts down. And today I want to share the compilation of things that I have found useful from the book. This is by no means an ad for the book, but I think it has some really interesting approaches for us to explore together.

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Total votes 3: ↑3 and ↓0 +3
Views 1.9K
Comments 3

What causes testers and developers to feud and how to avoid it

Иннотех corporate blog Personnel Management *IT career Reading room IT-companies
Translation

Testers and developers are the driving force of any IT enterprise. Their work directly influences the quality of the final product. Pavel Petrov, our Lead tester-engineer of the risk detection monitoring service for corporate clients, shares his insights on building a productive relationship between two different IT camps.

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Total votes 3: ↑3 and ↓0 +3
Views 475
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It's alive

IT Standards *IT career Reading room The future is here IT-companies

I wonder why IT developer interviews are so strange most of the time. It feels as if the people are looking for computer science teachers, not engineers. All those theoretical questions that have no relation to the working reality. It is strange to be looking for eloquent teachers, who can perfectly explain any term or pattern, and then ask them to do the actual work. Maybe it is the imprint from the years spent in university when the teachers looked like all-knowing gods and seemed to solve any issue in your life. May be, may not. Anyway, these teachers stay in unis and don't do the work.

You know, what would be my universal answer to all interview questions? “I have no idea how and why it works, but I can use it, and I can use it for good”. This is the reality. Actually, no one knows exactly these hows and whys. What is a computer? What is electricity? What is an electron? No one knows for sure. But it works and we use it.

Imagine a famous author, like Stephen King, asked a question about the difference between deus ex machina and Mary Sue. Would his answer change the quality of his books? He may or he may not know all those scientific literature terms, but he can use the language and use it for good.

Every time I turn on my computer it is a wonder. I have no idea what is going on, but it awakes, it becomes alive, and I can communicate with it in its own sublime and subtle language.

Have you ever realised that all these electronic devices are monsters, Frankenstein's monsters? Some pieces of dead matter were put together, and then, with some electricity involved, it suddenly awoke. “It's alive!”. Had Frankenstein any idea why it turned alive? Of course not, or why he was so surprised? Every developer experiences this feeling almost every day. “It's working!”

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Total votes 7: ↑4 and ↓3 +1
Views 763
Comments 1

Four UX failings that e-commerce can fix with design

E-commerce management *Design
Sandbox

On average, online store users make 64 clicks before adding a product to the cart. Some clicks are useful - so-called discovery clicks that help lead to users finding a product they wish to buy, and some are useless that come as the result of poor UX. With great competition for convenience and increasingly reducing attention spans of users, each useless click reduces the number of visitors that will reach checkout.

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Conceptogram as a method to create more effective technical documentation

Иннотех corporate blog Popular science Technical Writing *
Translation

Konstantin Kotelnik, an analyst at Innotech, ponders over making technical documentation easier to understand for developers and helping the clip-thought generation work effectively with large quantities of data. Read the article to find out about the potential emergence of a graphical IT-Esperanto and the standardisation of technical language.

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Total votes 2: ↑2 and ↓0 +2
Views 729
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The Systems Engineering Methodology for Startups

Start-up development Product Management *Systems engineering *

Creating a product startup can be an exciting experience, but it can be a daunting one as well. On average, only 1 out of 10 startups is successful, according to the Global Startup Ecosystem Report. Therefore, to raise your prospects, there are quite a number of important considerations to make in advance. 

Bearing in mind everything you need when launching a startup is a challenging task, so it’d be a sound idea to rely on some well-established methodology. That's why we were inspired by the Systems Engineering methodology, presented in such industry standards as ISO 15288 and CFR21. In this article, we’ll make a brief overview of this methodology and highlight how it can help entrepreneurs to encompass and structure the process of creating and developing a startup.

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How Analyst Days/14 went for us

Иннотех corporate blog System Analysis and Design *Conferences IT-companies
Translation

Conference participation is one of the most important practices for professional development. Hence, Innotech is actively sending out both its speakers and listeners for the biggest events. Senior Analyst Anastasia Kochetova shares her impressions from the Analyst Days/14 conference.

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«If I had a heart...» Artificial Intelligence

Reading room Artificial Intelligence Science fiction

Most people fear of artificial intelligence (AI) for the unpredictability of its possible actions and impact [1], [2]. In regard to this technology concerns are voiced also by AI experts themselves - scientists, engineers, among whom are the foremost faces of their professions [3], [4], [5]. And you possibly share these concerns because it's like leaving a child alone at home with a loaded gun on the table - in 2021, AI was first used on the battlefield in completely autonomous way: with an independent determination of a target and a decision to defeat it without operator participation [6]. But let’s be honest, since humanity has taken in the opportunities this new tool could give us, there is already no way back – this is how the law of gengle works [7].

Imagine the feeling of a caveman observing our modern routine world: electricity, Internet, smartphones, robots... etc. In the next two hundred years in large part thankfully to AI humankind will undergo the number of transformations it has since the moment we have learned to control the fire [8]. The effect of this technology will surpass all our previous changes as a civilization. And even as a species, because our destiny is not to create AI, but to literally become it.

... more, give me more, give me more ...
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Views 2.8K
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Utilitarian blockchain. 1. Assets

Decentralized networks *Research and forecasts in IT *Finance in IT Cryptocurrencies
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In the modern world, the term " **blockchain** " is steadily associated with cryptocurrencies, NFTs, mining, trading and financial pyramids. However, even among programmers and IT people there is not always a clear understanding of what it is and what it is for.

This article attempts to look at this still relatively new element of the information and human space in practical and slightly philosophical aspects.

> **Disclaimer**: The article will use simple language to explain non-trivial concepts, so non-critical distortion of technical details is possible.
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How to mimic Agile correctly?

Agile *

A similar article should have appeared earlier, about ten or fifthteen years ago, when Agile was just starting to be implemented in companies. How many mistakes, problems, conflicts could be avoided if managers immediately approached the issue correctly ...

But during this time, the experience of "implementing" Agile in different conditions, in different companies has accumulated, which should be generalized and widely disseminated.

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Simple rest based kogito microservice with several embedded pmml models

Java *Business Models *Kubernetes *
Tutorial

In previous post I've described an example of kogito-based microservice on quarkus in native mode, containing one embedded pmml model with decision tree. While it can be successfully used for prototyping purposes, in the real life microservice might contain several prediction models. From the first view I've got an impression, that inclusion of several models should be a trivial extension of the prototype with one model. We were completely wrong in our assumption, that's the reason, why I've decided to write this post. Another reason, is absence of guides, in which 2 (or more models) are put inside DMN diagrams in kogito framework.

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Total votes 1: ↑1 and ↓0 +1
Views 1.2K
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Enterprise Identity Management Processes. Part I: Employee on-boarding

ERP-systems *

This is the first in series of articles dedicated to detailed overview of processes and components of enterprise identity and access management (IAM). These articles are designed to help technical architects and system designers to better understand what is involved in complex business processes which drive identity management and provide detailed review of all critical components.

Solid understanding of identity management business processes before implementation of a new IAM system very often makes a difference between success and failure and it must be worked out and agreed to by all key participant before implementation can start.

This review does not address specific software configurations and settings required to support these processes and workflow, but any modern identity management software will be able to support them.

Diagram below documents workflow for an employee on-boarding which is one of the core identity management processes to support new employee who is joining the company. The flow is designed to be integrated into existing hiring process and provide logical and physical access to an employee by day one of the employment.

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

How PVS-Studio prevents rash code changes, example N4

PVS-Studio corporate blog C++ *Development Management *

Blender, PVS-Studio, std::clamp
If you regularly use a static code analyzer, you can save time on guessing why the new code doesn't work as planned. Let's look at another interesting error — the function broke during refactoring, and no one noticed that. No one — except for PVS-Studio that can automatically scan the project and email the report to us.

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Total votes 2: ↑1 and ↓1 0
Views 731
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