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RECENT POSTS

 * Best mining software
 * TOP data science internships 2021
 * AWS Data Pipeline Reviews 2021
 * How to Fix an Audio Renderer Error


CATEGORIES

 * Data
 * Software


BEST MINING SOFTWARE

In this article, we will discuss the functions of mining software and define the
awesome miner.


THE PURPOSE OF USING MINING SERVICE

The modern virtual software market allows you to find software with which the
user will receive e-currency. This way of processing data is called mining.
Mining is the only way to issue a cryptocurrency. One of the translations of the
word mining is the extraction of minerals or the development of deposits. If we
are talking about bitcoin, then we are dealing with the extraction of “virtual
gold”.

The role of cryptocurrency mining is to verify the transactions that take place
on the cryptocurrency network. In order to maintain the proper level of security
on a network such as the Bitcoin network, computers must pick a certain number,
called a hash, which meets certain criteria (rules).


HOW DOES THE MINING PROCESS WORK?

The Mining process is to calculate the hash (source data) of the block header in
the blockchain. The block includes the header hash of the previous block, the
transaction hash, and a random number. When forming a new block, the miner
receives a reward – a certain amount of bitcoins. Many Miners are “fighting” for
the award at the same time. Typically, transactions included in a block are
considered confirmed after six blocks in a row have been calculated.

Mining software is downloaded onto a PC with the aim of doing work that results
in bitcoins or another cryptocurrency. All users of computers or systems from
several PCs are combined into pools for convenient joint mining. You can mine
cryptocurrency based on the use of:

 * Processor;
 * Video cards;
 * Cloud services.


WHY IT IS BETTER TO USE BOTS?

Such programs that allow you to automatically extract bitcoins have many
advantages:

 * Ease of use. You need to either register on the site or install the program
   on the device from which bitcoins will be extracted. Any user will cope with
   it.
 * Mining without stopping. Bots can work around the clock.
 * Automatic search for the most profitable projects. The user does not need to
   spend time searching.
 * Automatic transfer of obtained bitcoins to the owner’s wallet.
 * Automatic bypass of the captcha.
 * While it is running, the user can do other useful things.
 * Low cost.


THE LIST OF THE MOST POPULAR MINING SOFTWARE

Many programs have been developed for bitcoin mining that allows you to
automatically receive electronic currency. Mining software is needed so that the
computer can interact with the hardware in the most efficient way. They control
the various devices that you have. Mining programs can select a specific pool
for mining, control the speed of work, choose which cryptocurrency is more
profitable to mine – it’s all very cool!

The market for software for auto-mining is not standing still. Some programs
become obsolete, others replace them. Currently, there are several options that
are most popular:

 * * CGMiner
   * BFGMiner
   * Bitcoin miner
   * EasyMiner

Posted on May 27, 2021June 1, 2021Categories Software


TOP DATA SCIENCE INTERNSHIPS 2021

In this article, we will discuss the best alternatives for a Data Science
internship.


WHY DO WE USE DATA SCIENCE?

Today Data Science is one of the most promising and popular areas for a career
change and additional education. Data Science is the science of how to work with
big data, analyze it and find useful relationships that can then be used for a
variety of tasks.

This is especially true for the corporate world and all companies regardless of
their industries and the countries they work with. In the digital big data
environment, companies are receiving incredible amounts of information about
their users and customers. For example, data on user behavior, their social and
cultural background, different preferences in food, clothing, entertainment,
political views, as well as shopping history, and other personal information.

In Data Science, as in other areas, there are different areas and specialties.
Someone deals with recommendation systems for Netflix, someone – computer vision
for Google, and someone – work with text for online translators. Processes can
be automated almost everywhere, so a data scientist can work for a wide variety
of companies.


WHAT A DATA SCIENTIST SHOULD BE ABLE TO DO?

The skillset for a Data Scientist will depend on what tasks they face. If we
talk about the base, then he must have knowledge in IT, mathematics, statistics
and have a good understanding of the essence of the company’s business:

Applied Mathematics and Data Analysis:

 * Ability to conduct experiments;
 * Statistics and Modeling: from linear models to advanced machine learning
   methods;
 * Data preparation: cleaning, selection, and transformation of features.

Technologies:

 * Skills in programming DS-models (most often Python or R), knowledge of
   libraries;
 * Skills of working with distributed computing technologies (Spark, Hadoop,
   etc.);
 * Skills of writing productive code.

Business:

 * Ability to translate business hypotheses into a mathematical problem
   statement;
 * Ability to anticipate how the model can be used in business processes and
   what value it can bring;
 * Understanding which approaches, models, and methods are applicable in
   specific business cases.


WHERE TO LEARN?

Fast.ai is the best and most comprehensive introduction to deep learning is
given by the authors of Fast.ai – this resource is free, and there are
absolutely no ads on it. The course includes an introduction to machine
learning, the practicalities of deep learning, computational linear algebra, and
an introduction to natural language processing with a focus on programming. All
courses on this site are united by an applied approach, so I strongly advise you
not to pass by.

Kaggle. Machine learning contests are a great opportunity to practice building
models. There you have access to a variety of datasets designed for specific
tasks. According to the standings, you can compare your progress with other
participants. And the results will also show you in which topics you have gaps
and what needs to be tightened up.


TOP DATA SCIENCE INTERNSHIPS 2021

The list of the top vacancies for Interns in Data Science 2021 includes the
following:

 * * Search Engineer
   * Content Analysis
   * Machine Learning Engineering
   * Data scientist (Computer vision)
   * Data Analytics Internship
   * Senior Manager – Business Analytics
   * Associate Data Scientist

Posted on May 27, 2021June 1, 2021Categories Data


AWS DATA PIPELINE REVIEWS 2021

In this article, we will consider the use of AWS Data Pipeline and its main
characteristics.


THE PRINCIPLE OF PIPELINED DATA PROCESSING

The data processing pipeline itself is a set of transformations that must be
performed on the input data. It is complicated, for example, because information
always arrives at the input of the conveyor in an unverified and unstructured
form. And consumers want to see it in an easy-to-understand form.

This processing improves resource utilization for a given set of processes, each
of which uses those resources in a predetermined manner. A good example of a
pipeline organization is an assembly conveyor in production, when a product goes
through all stages in sequence, right up to the finished product. The advantage
of this method is that all products along their path use the same set of
resources, and as soon as some resource is released by a given product, it can
immediately be used by the next product, without waiting for the previous
product to reach the end of the assembly line. If the conveyor carries similar
but not identical products, then it is a sequential conveyor; if all products
are the same, then it is a vector conveyor.

The device for processing commands of the simplest processor includes four
stages:

 * fetching commands from memory;
 * decoding;
 * determination of the address and selection of the operand;
 * execution.


THE PURPOSE OF AWS DATA PIPELINE

Today, Amazon Web Services has released a new service that works with other
services, namely, it can help transfer data between:

 * S3
 * MySQL RDS / External MySQL servers
 * DynamoDB

AWS Data Pipeline allows the user to copy, migrate data from SQL and DynamoDB
tables to S3 and vice versa.

The staggered nature of image analysis tasks initially dictates the choice of a
data pipeline architecture for the underlying data processing infrastructure.
The data pipeline allows you to:

 * Combining filters: Image filters from a set can be combined with one another,
   forming a processing chain, within which a sequence of operations is
   performed on the original images.
 * Exploring the Effect of Changing Parameters: Once the filters are chained, it
   is easy to change the parameters of any filter in the chained and explore the
   effect of changing those parameters on the resulting image.
 * Memory streaming: Large images can be processed by modifying only the image
   blocks at any given time. Thus, it becomes possible to process large images
   that cannot be accommodated in RAM in any way.

By default, Data Pipeline provides several templates:

 * Export from DynamoDB to S3
 * Export from S3 to DynamoDB
 * Copy from S3 to RDS
 * RDS to S3 Rip
 * Analyzing files in S3
 * Migrating from non-RDS MySQL to S3

The process is easily customizable using a graphical interface. You drag and
drop elements, set parameters, and so on.

Posted on May 27, 2021June 1, 2021Categories Data


HOW TO FIX AN AUDIO RENDERER ERROR

Audio Renderer error is a long-standing issue affecting YouTube’s streaming
video platform. So, this article will consider the guide on how to fix an Audio
Renderer Error.


AUDIO RENDERER ERROR – WHY DOES IT OCCUR?

Today, every Internet user is familiar with the YouTube service. This is a
multi-million dollar platform where people can watch interesting videos and
share their best practices with the whole world. YouTube developers have managed
to create a convenient and easy-to-use video hosting and video player. But
sometimes users are faced with a problem when the video on YouTube does not
play. And more often than not, this is not a problem on YouTube, but on the
visitor’s local computer. Quite often many users face the problem that instead
of the requested video there is an “Audio Renderer Error”.

You may encounter the error message “Audio renderer error. Restart your
computer” while watching streaming content also in a browser. However, the
source of the problem with this particular error is usually not your browser,
but your audio drivers. Many users come across this issue after installing,
updating, or changing the audio device.

There are the following reasons:

 * Internet connection. Like any other online resource, YouTube requires a
   stable and fast internet connection.
 * If everything is fine with the Internet, the second on the list of suspects
   is the browser – Chrome, Firefox, Opera, or Edge. All modern browsers have
   functionality for watching videos on most Internet resources.
 * Graphics driver. Another reason why YouTube videos may not work is a problem
   with the video card driver. Sometimes drivers crash after updating the
   operating system, running viruses, or damaging system files. To fix the
   problem, you need to update or reinstall the video adapter driver


HOW TO SOLVE IT?

There is a script of actions that are recommended in such a situation:

 * Restart your PC

The most mundane advice may be the most effective, and the video playback error
will be corrected.

 * Update the driver for your PC components to resolve the error

It is important to have the latest drivers on your system. In particular, you
can download drivers for your video card from the card manufacturer’s website.

 * Clear the web browser cache and cookies

In each of the browsers, this operation is performed differently. In particular,
in Mozilla you need to go to “Settings”, then select the tab “Language and
translation support”. Next to the “History” option, select “Show cookies” –
“Delete all”. In the “cache web content” option, select “Clear now.”

Posted on May 27, 2021June 1, 2021Categories Software
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