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Article

Copy Trading: A Viable Earning Strategy or Just Another Broker Scam?

Reading time11 min
Views60

Hello everyone!

A year ago, I became curious about whether it was possible to earn money in crypto by copying the trades of other traders. Instead of investing money right away, I decided to thoroughly explore this by writing a parser that monitored about 2,000 portfolios in real-time over the course of a year.

Initially, I parsed the Traderwagon site, which unfortunately shut down. I then switched to Binance's copy trading, which was just starting out at the time.

The number of portfolios available for investment on Binance is continually growing; currently, there are over 10,000. My script only parsed a portion of these to maintain about 2,000 consistent portfolios. This was necessary to track changes in traders' positions at least every 20 minutes with the server resources I had allocated for the project.

There are several peculiarities in how my parser operates. For example, when a trader hides their positions, my script also closes them since it can't monitor hidden trades. When a trader significantly adjusts their position, such as a complete turnaround, the script exits the trade. I chose to save time on developing a more complex follow-algorithm and planned to refine it later if the testing stage proved successful. I also limited the time a trader could stay in a deal to a few days and forcibly closed positions if this period was exceeded. I observed that staying in a trade longer slightly increased the average profit/loss, whereas reducing the time allowed for reinvesting the same funds into a greater number of traders and their deals.

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Article

Structure of Linux driver for single-board computer

Level of difficultyEasy
Reading time5 min
Views222

Hello my name is Dmitry. Recently I wrote article "Building firmware for Orange PI i96 (Orange PI 2g-iot) from scratch" . If you haven't read it yat, I highly recommend. And there I noticed that in order to build firware on current kernel, I have to rewrite drivers wirh new archetecture "Device tree". In this article I have revelate how I do it.

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Article

7 tips to make video learning more effective

Level of difficultyEasy
Reading time5 min
Views6.5K

While video-based learning continues to rank high in the latest trends, there are a few points that are regularly overlooked in the production of learning videos, with a focus on user experience (UX) and user interaction 

People really enjoy watching videos. According to a survey conducted among consumers worldwide, respondents watched an average of 19 hours of online video content per week in 2022. And nearly half of all internet users watch online videos at least once a week.

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Total votes 27: ↑27 and ↓0+27
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Article

Designing for Success: Crafting Effective Learning Experiences

Level of difficultyMedium
Reading time7 min
Views6.2K

The Challenge of Mandatory Learning
Once we had several mandatory learning courses designed to be passed successfully by all employees. Still, many of them struggled to do so. Reminder emails to all participants could not solve the issue. And that is when my team was summoned to develop a thorough plan to reduce the number of overdue courses to a minimum. Of course, we were asked to develop something fun and engaging.

Uncovering the Root Problems
While working on the project, we managed to uncover several problems with course assignments, including the fact that they were not offered just in time, there were too many of them, and all of them had different due dates, which made it impossible to remember when to complete them. Additionally, we found that the content itself was often dry and unengaging, further contributing to the lack of motivation among employees. Finally, we came up with a system of notifications that included clear explanatory reminder emails, an escalation system, and a redesign of the course content to make it more interactive and relevant to employees' daily work. The result was almost no overdue courses after system integration.

The Myth of Mandatory Fun
So the case first seemed to be about motivation and engagement, but it is actually about smart course design that allows people to worry about work tasks instead of worrying about course assignments. It's also about creating content that resonates with the learners and helps them see the value in the training.

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Total votes 27: ↑27 and ↓0+27
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Article

The new code as the side effect

Level of difficultyMedium
Reading time4 min
Views476

The new code as the side effect

If we use the reducer function for form data handling It has an infinite list of returned values, which expands when the next development iteration updates the interface defining the form and implements a new field. So the reducer pattern is procedure code, not a functional

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Total votes 1: ↑2 and ↓-1+3
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Article

Unveiling the Technological Odyssey: Evolution of Weather Forecasting

Level of difficultyEasy
Reading time3 min
Views74

Weather forecasting has come a long way from the days of observing the sky and relying on folklore to predict upcoming conditions. Advancements in technology have revolutionized how we perceive, understand, and forecast weather patterns. From the early barometers to modern satellites and supercomputers, each innovation has significantly enhanced our ability to predict weather accurately. Let's take a journey through the evolution of weather forecasting technology and explore how it has transformed over the years.

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Total votes 1: ↑2 and ↓-1+3
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Article

Symphony of Clouds: Interpreting Nature's Weather Signals

Level of difficultyEasy
Reading time3 min
Views79

In the vast expanse of the sky, clouds weave an intricate tapestry that holds invaluable insights into the workings of our atmosphere. Far from being mere adornments adrift on the winds, clouds are dynamic entities that serve as indispensable harbingers of weather patterns. Their varied forms and movements offer a window into the ever-changing conditions of our atmosphere, allowing meteorologists to unravel the mysteries of weather forecasting with increasing precision.

Clouds, in their multitude of shapes and sizes, provide vital clues about atmospheric conditions, from temperature and humidity to air pressure and wind patterns. By understanding the different types of clouds and their characteristics, meteorologists can decipher the language of the skies, predicting everything from clear skies to impending storms.

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Total votes 1: ↑2 and ↓-1+3
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Article

How to speed up Trendwatching with AI

Level of difficultyMedium
Reading time4 min
Views324

Problem

Trendwatching is a powerful tool for driving strategic innovations. It helps to discover new teсhnologies, business models and products, that may be used for idea generation and technology transfer. It is a powerful tool for product managers, business stream managers, top managers and "strategists" and is mostly used on a regular basis.

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Total votes 1: ↑1 and ↓0+1
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Article

Gatsby and its Greatness

Level of difficultyEasy
Reading time6 min
Views325

In the internet’s early days, blogging was straightforward. A server with PHP and MySQL allowed you to share your thoughts globally. Even FTP access with an index.html file sufficed.

However, as the web evolved, so did blogging requirements. Non-programmers needed user-friendly web interfaces, faster loading times, and seamless daily publishing. Platforms like Reddit, WordPress, and Tumblr emerged, but they faced a common issue: website ownership.

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Total votes 2: ↑2 and ↓0+2
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Article

How to understand when proxies are lying

Level of difficultyEasy
Reading time3 min
Views378

How to understand when proxies are lying: verification of physical locations of network proxies using an active geolocation algorithm

People all over the world use commercial proxies to hide their true location or identity. This can be done to solve various tasks, including accessing blocked information or ensuring privacy.

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Total votes 7: ↑7 and ↓0+7
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Article

Could async/await magic create thread, or it is always: “There is no thread”?

Level of difficultyMedium
Reading time4 min
Views460

When we are told “There is no thread” we can easily come to an opinion that it is impossible at ALL that asynchronous operation could create thread, but it would be wrong opinion. Simple code example proves the opposite.

Those who are easy to treat the sentence as the universal rule are easy to understand. They would like to simplify the subject and to cut amount of theory they should study and remember. Besides to many it is new level of knowledge to discover there is other layer of classes to manage async-operations behavior beside the Tasks and and SynchronizationContext is only one among them.

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Total votes 5: ↑3 and ↓2+1
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Article

Unveiling the Power of Matplotlib: A Visual Odyssey

Level of difficultyEasy
Reading time3 min
Views320

In the realm of data visualization, where insight meets aesthetics, Matplotlib stands as a towering beacon of versatility and creativity. As one of the most popular plotting libraries in Python, Matplotlib empowers data scientists, analysts, and enthusiasts alike to transform raw data into captivating visual narratives. Let us embark on a journey through the vibrant landscapes of Matplotlib, exploring its features, capabilities, and the artistry it inspires.

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Total votes 4: ↑3 and ↓1+2
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Article

Stopwatch implementation on FPGA board

Reading time5 min
Views206

In this report we describe our implementation experience of a stopwatch system executing on an FPGA board. We programmed this device in the Quartus Prime II software environment by using Verilog hardware description language. The program is tailored to the Altera MAX 10 FPGA board, as well as uses a set of other peripheral devices for progress visualization purposes.

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Total votes 1: ↑2 and ↓-1+3
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Article

Becoming a UX designer: why is it worthy and what do you need to start

Level of difficultyEasy
Reading time6 min
Views224

If you are at the beginning of your educational path in IT, or contemplating about making changes in your career and starting learning UX design, you might have some doubts and uncertainties on whether UX design is something worth studying and working in right now. We can dispel your doubts: UX designers are very required in the majority of companies, since they help to make products appealing to users, thus raising the companies income and enhancing their reputation. Professionals in this sphere are in high demand right now, and

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Total votes 1: ↑1 and ↓0+1
Comments1
Article

Exploring Oslo A Fusion of Culture, Innovation, Nature, and Weather

Level of difficultyEasy
Reading time3 min
Views180

Nestled amongst the serene fjords and picturesque landscapes of Norway, Oslo stands as a testament to the harmonious blend of modernity and tradition. This vibrant capital city, with its rich history dating back over a thousand years, offers visitors an unparalleled experience that seamlessly integrates culture, innovation, and the breathtaking beauty of nature, all under the ever-changing skies of its varied weather.

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Total votes 1: ↑2 and ↓-1+3
Comments0
Article

User-defined aggregation functions in Spark

Level of difficultyMedium
Reading time6 min
Views179

Below, we will discuss user-defined aggregation functions (UDAF) using org.apache.spark.sql.expressions.Aggregator, which can be used for aggregating groups of elements in a DataSet into a single value in any user-defined way.

Let’s start by examining an example from the official documentation that implements a simple aggregation

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Total votes 1: ↑1 and ↓0+1
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Article

Use-Case Evolution Guide

Level of difficultyMedium
Reading time13 min
Views463

Modern product development demands more and more sophisticated designs. This in turn leads to the increased complexity of both demand and implementation. Business is flooding the architecture and development teams with the new and changed requirements. Development teams are struggling to understand what the business demand is and find the best product increment strategy. One of the widely adopted conversational methods is the Use-Cases. This guide is intended to shed light on the process of the requirements development and maturing.

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Total votes 5: ↑5 and ↓0+5
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Article

Building firmware for Orange PI i96 (Orange PI 2g-iot) from scratch

Level of difficultyEasy
Reading time14 min
Views479

Hellow my name is Dmitry. Once I bought "Orange PI i96", but unfortunately producer not update it firmvere very long. Last firmwere kernel version is 3.10.62 but kernel current at time this article writing (russian version) is 6.5.1. And so I decide build my own firmware from scratch, and do it from sourse completely.

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Total votes 8: ↑7 and ↓1+6
Comments6
Article

Unveiling Switzerland: A Must-Visit Travel List

Level of difficultyEasy
Reading time4 min
Views264

Switzerland: the very name conjures up images of pristine alpine landscapes, picturesque villages, and a sense of tranquility that seems to permeate the very air you breathe. It's a country that's often synonymous with beauty, precision, and adventure. Whether you're a nature enthusiast, a history buff, or simply seeking to indulge in some of the finest chocolates and cheeses the world has to offer, Switzerland has something for everyone. So, if you're planning a trip to this enchanting land, here's a curated list of must-visit destinations and experiences that will make your journey truly unforgettable. 

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Total votes 4: ↑3 and ↓1+2
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