DZone
Thanks for visiting DZone today,
Edit Profile
  • Manage Email Subscriptions
  • How to Post to DZone
  • Article Submission Guidelines
Sign Out View Profile
  • Post an Article
  • Manage My Drafts
Over 2 million developers have joined DZone.
Log In / Join
Refcards Trend Reports
Events Video Library
Refcards
Trend Reports

Events

View Events Video Library

Zones

Culture and Methodologies Agile Career Development Methodologies Team Management
Data Engineering AI/ML Big Data Data Databases IoT
Software Design and Architecture Cloud Architecture Containers Integration Microservices Performance Security
Coding Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks
Culture and Methodologies
Agile Career Development Methodologies Team Management
Data Engineering
AI/ML Big Data Data Databases IoT
Software Design and Architecture
Cloud Architecture Containers Integration Microservices Performance Security
Coding
Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance
Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks

Curious about the future of data-driven systems? Join our Data Engineering roundtable and learn how to build scalable data platforms.

Data Engineering: The industry has come a long way from organizing unstructured data to adopting today's modern data pipelines. See how.

Threat Detection: Learn core practices for managing security risks and vulnerabilities in your organization — don't regret those threats!

Managing API integrations: Assess your use case and needs — plus learn patterns for the design, build, and maintenance of your integrations.

Core Badge
Avatar

Alexander Eleseev

DZone Core CORE

Full Stack Developer at First Line Software

Praha, CZ

Joined Jul 2020

https://www.linkedin.com/in/alexander-eliseev-705448146/

Stats

Reputation: 320
Pageviews: 75.8K
Articles: 11
Comments: 0

Expertise

Big Data Expertise Icon

Big Data
  • Articles

Articles

article thumbnail
On Some Aspects of Big Data Processing in Apache Spark, Part 4: Versatile JSON and YAML Parsers
In this post, I present versatile JSON and YAML parsers for a Spark application.
August 23, 2022
· 5,690 Views · 1 Like
article thumbnail
On Some Aspects of Big Data Processing in Apache Spark, Part 3: How To Deal With Malformed Data?
In this post I present some solutions on how to deal with malformed date/time data, and on how to set a default value for malformed data.
August 23, 2022
· 4,991 Views · 1 Like
article thumbnail
On Some Aspects of Big Data Processing in Apache Spark, Part 2: Useful Design Patterns
In this post, learn to construct Spark applications in a maintainable and upgradable way, where at the same time "task not serializable" exceptions are avoided.
August 16, 2022
· 8,368 Views · 4 Likes
article thumbnail
On Some Aspects of Big Data Processing in Apache Spark, Part 1: Serialization
In this post, review the basics of how Apache Spark runs its jobs and discover how to avoid serialization errors.
August 11, 2022
· 6,068 Views · 1 Like
article thumbnail
A Robust Distributed Payment Network With Enchanted Audit Functionality - Part 2: Spring Boot, Axon, and Implementation
In this post, I demonstrate how to build a distributed payment network system with enchanted audit functionality by means of Spring Boot, Spring Cloud, Axon, Neo4j.
February 8, 2022
· 3,827 Views · 2 Likes
article thumbnail
A Robust Distributed Payment Network With Enchanted Audit Functionality - Part 1: Concepts
In this post, I'll review CQRS, event sourcing, graph database concepts necessary to build a distributed robust payment network system with enchanted audit functionality.
February 7, 2022
· 2,668 Views · 3 Likes
article thumbnail
How to Implement Two-Factor Authentication in A Spring Boot OAuth Server? Part 2: Under the Hood
This post continues Part 1 and demonstrates how the Spring Boot OAuth authentication server processes a token request internally.
September 14, 2021
· 6,134 Views · 2 Likes
article thumbnail
How to Implement Two-Factor Authentication in a Spring Boot OAuth Server? Part 1: Configuration
In this post, I demonstrate how to configure a two-factor authentication functionality for a Spring Boot 2.5 OAuth JWT server, that is a part of a larger Spring Cloud system.
September 14, 2021
· 8,946 Views · 1 Like
article thumbnail
CRUD Operations on Deeply Nested Comments: Scalable Spring Boot and Spring Data approach
In this post, I present CRUD operations on deeply nested comments, stored in a relational database via Spring Boot and Spring Data. The approach is scalable but uses only JPQL and very few pessimistic locks.
October 6, 2020
· 5,931 Views · 1 Like
article thumbnail
Data Structures and Indexing for Operations on Deeply Nested Comments
In this post I demonstrate a schema, an entity, a DTO, and a continuous fraction index, for JPQL-only CRUD operations on deeply nested comments in relational databases.
October 6, 2020
· 3,798 Views · 1 Like
article thumbnail
Recursive Angular Rendering of a Deeply Nested Travel Gallery
I present 3 approaches to recursively render a deeply nested travel gallery in Angular. The last shows how Angular change detection differs from React's.
August 31, 2020
· 12,581 Views · 1 Like

User has been successfully modified

Failed to modify user

ABOUT US

  • About DZone
  • Support and feedback
  • Community research
  • Sitemap

ADVERTISE

  • Advertise with DZone

CONTRIBUTE ON DZONE

  • Article Submission Guidelines
  • Become a Contributor
  • Core Program
  • Visit the Writers' Zone

LEGAL

  • Terms of Service
  • Privacy Policy

CONTACT US

  • 3343 Perimeter Hill Drive
  • Suite 100
  • Nashville, TN 37211
  • support@dzone.com

Let's be friends: