BestHub
Sign in
Tagged articles
602 articles
Page 5 of 7
Architect
Architect
Aug 21, 2020 · Backend Development

Message Queue Interview Guide: Benefits, Drawbacks, Choosing the Right MQ, and Ensuring High Availability

This article explains why and when to use message queues, outlines their advantages and disadvantages, compares popular MQ products such as Kafka, RabbitMQ, RocketMQ and ActiveMQ, and provides practical advice on high‑availability, duplicate‑consumption prevention, and idempotent design for interview preparation.

InterviewKafkaMQ
0 likes · 19 min read
Message Queue Interview Guide: Benefits, Drawbacks, Choosing the Right MQ, and Ensuring High Availability
Wukong Talks Architecture
Wukong Talks Architecture
Aug 7, 2020 · Fundamentals

JVM Interview Questions and Java Mind Map Resources

This article presents a comprehensive collection of JVM interview questions covering memory areas, garbage collection, class loading, and performance tuning, along with eleven detailed Java mind‑map images that visually summarize core concepts such as the JVM architecture, GC algorithms, and thread management.

Garbage CollectionInterviewJVM
0 likes · 8 min read
JVM Interview Questions and Java Mind Map Resources
Selected Java Interview Questions
Selected Java Interview Questions
Jul 14, 2020 · Backend Development

Deep Dive into Java HashMap: Implementation Details, Internals, and Interview Questions

This article explains the internal design of Java's HashMap—including its default capacity, load factor, underlying array‑list‑tree structure, hash calculation, resizing algorithm, treeification, and common interview questions—while providing complete source code snippets and practical usage tips for developers.

CollectionsConcurrencyData Structures
0 likes · 22 min read
Deep Dive into Java HashMap: Implementation Details, Internals, and Interview Questions
Selected Java Interview Questions
Selected Java Interview Questions
Jul 10, 2020 · Backend Development

Message Queue Interview Questions and Technical Guide

This article provides a comprehensive overview of message queue concepts, covering usage scenarios, advantages, drawbacks, technology selection, high‑availability architectures, duplicate handling, data loss prevention, ordering guarantees, latency management, and design principles, supplemented with interview‑style questions and code examples.

InterviewKafkaMQ
0 likes · 20 min read
Message Queue Interview Questions and Technical Guide
ITPUB
ITPUB
Jul 8, 2020 · Fundamentals

Top 10 Linux Shell Interview Questions with Ready‑to‑Use Answers

This article presents ten common Linux shell interview questions, each followed by clear explanations and exact command‑line solutions—including script termination, file header removal, line length checking, non‑printable character display, directory permissions, process states, cut usage, cmp vs diff, echo vs ls, and a brief overview of inodes.

InterviewScriptingcommand-line
0 likes · 8 min read
Top 10 Linux Shell Interview Questions with Ready‑to‑Use Answers
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Jul 3, 2020 · Fundamentals

Understanding LRU Cache: Interview Thought Process and Implementation

This article explains why technical interviews focus on problem‑solving skills, outlines a four‑step interview approach, introduces the LRU cache eviction policy, analyzes required operations, selects HashMap plus a doubly linked list as the optimal data structures, and provides a complete Java implementation with detailed commentary.

Cache EvictionDoubly Linked ListHashMap
0 likes · 15 min read
Understanding LRU Cache: Interview Thought Process and Implementation
Liangxu Linux
Liangxu Linux
Jun 25, 2020 · Operations

Top 10 Linux Shell Interview Questions and How to Solve Them

This article presents ten common Linux shell interview questions, providing clear explanations and step‑by‑step command examples—including script termination, file header removal, line length checking, non‑printable character display, directory permissions, process states, and differences between utilities—so readers can master essential command‑line techniques.

InterviewLinuxUnix
0 likes · 8 min read
Top 10 Linux Shell Interview Questions and How to Solve Them
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Jun 23, 2020 · Backend Development

Common Kafka Interview Questions and Answers

This article reviews common Kafka interview questions, covering delay queues, idempotence, replica states, offsets, message ordering, and handling duplicate consumption, and includes example code for enabling idempotent producers along with explanations of time‑wheel mechanisms and practical solutions to consumer rebalance issues.

ConsumerIdempotenceInterview
0 likes · 9 min read
Common Kafka Interview Questions and Answers
FunTester
FunTester
Jun 22, 2020 · Interview Experience

What Does “Proficient in Java or Python” Really Mean for Developers?

Job listings often demand “proficient in Java or Python,” but the term’s true meaning varies by role; it simply indicates the ability to solve the problems you’ll face, with the required depth depending on the specific technical demands of the position.

InterviewJavaPython
0 likes · 2 min read
What Does “Proficient in Java or Python” Really Mean for Developers?
Python Programming Learning Circle
Python Programming Learning Circle
Jun 17, 2020 · Fundamentals

53 Python Interview Questions and Answers

This article compiles 53 common Python interview questions covering fundamentals, data structures, functions, OOP, and standard library features, providing concise explanations and code examples to help data scientists and developers prepare for technical interviews.

Interviewanswersdata-science
0 likes · 21 min read
53 Python Interview Questions and Answers
Big Data Technology Architecture
Big Data Technology Architecture
Jun 3, 2020 · Big Data

Comprehensive Kafka Interview Questions and Answers

This article compiles essential Kafka interview topics, covering cluster sizing, partition and replica configuration, offset management, topic creation, log structure, election mechanisms, partition assignment strategies, handling data backlog, exactly‑once semantics, idempotence, transactions, and performance tuning with practical command examples.

InterviewKafkamessaging
0 likes · 15 min read
Comprehensive Kafka Interview Questions and Answers
MaGe Linux Operations
MaGe Linux Operations
May 27, 2020 · Operations

Key DevOps Interview Q&A: Git, MySQL Replication, Kafka, Kubernetes

This article compiles essential DevOps interview questions covering version control differences between Git and SVN, MySQL master‑slave replication mechanics, Kafka versus traditional MQ, Kubernetes service types, pod communication, health checks, resource limits, link types, and permanent mounting techniques.

DevOpsInterviewKafka
0 likes · 17 min read
Key DevOps Interview Q&A: Git, MySQL Replication, Kafka, Kubernetes
Sohu Tech Products
Sohu Tech Products
May 13, 2020 · Fundamentals

Deep Dive into Java HashMap: Implementation, hashCode/equals, Collision Handling, and Interview Questions

This article provides a comprehensive overview of Java's HashMap, covering its place in the Set and Map families, internal implementation details, the relationship between hashCode() and equals(), collision resolution strategies, basic operations, differences from Hashtable, and several classic interview problems such as Top‑K frequency and LRU cache design.

CollisionData StructuresHashMap
0 likes · 14 min read
Deep Dive into Java HashMap: Implementation, hashCode/equals, Collision Handling, and Interview Questions
21CTO
21CTO
May 13, 2020 · Backend Development

Boost Your PHP Workflow: Expert Tips for Optimizing PHPStorm

In this interview, PHPStorm technical lead Christopher Stock shares essential global settings, navigation shortcuts, and recent feature updates that help developers edit PHP code more efficiently, compare it with other IDEs, and outline future improvements for the IDE.

DevelopmentInterviewPhpStorm
0 likes · 4 min read
Boost Your PHP Workflow: Expert Tips for Optimizing PHPStorm
21CTO
21CTO
May 6, 2020 · Fundamentals

Why Google’s Top Quantum Scientist Walked Away: An Inside Interview

In this detailed interview, former Google quantum hardware lead John Martinis explains his unexpected resignation, recounts his role in achieving quantum supremacy, discusses team dynamics, leadership challenges, future quantum‑computing plans, and offers insight into the broader implications for the field.

GoogleInterviewJohn Martinis
0 likes · 14 min read
Why Google’s Top Quantum Scientist Walked Away: An Inside Interview
Selected Java Interview Questions
Selected Java Interview Questions
Apr 30, 2020 · Fundamentals

Java Collections Framework Interview Questions and Answers

This article compiles a comprehensive set of Java Collections Framework interview questions, explaining its purpose, advantages, generic benefits, core interfaces, iterator behavior, fail‑fast vs fail‑safe, map views, differences among implementations, thread‑safety, and sorting mechanisms.

CollectionsData StructuresGenerics
0 likes · 18 min read
Java Collections Framework Interview Questions and Answers
macrozheng
macrozheng
Apr 29, 2020 · Fundamentals

Mastering Java HashMap: From Basics to Interview Mastery

This article explains the fundamentals of Java's HashMap, covering its relationship to Set and Map families, internal implementation details, hashCode/equals contracts, collision resolution strategies, basic operations with code examples, and common interview questions such as Top‑K and LRU cache design.

Data StructuresHash CollisionHashMap
0 likes · 18 min read
Mastering Java HashMap: From Basics to Interview Mastery
21CTO
21CTO
Apr 28, 2020 · Fundamentals

What Junio Hamano Reveals About 15 Years of Git Evolution

In this interview, Git’s long‑time maintainer Junio Hamano reflects on the project’s 15‑year history, its community, design philosophy, favorite features, and the changes he would still make to improve version control for developers worldwide.

InterviewJunio HamanoOpen Source
0 likes · 8 min read
What Junio Hamano Reveals About 15 Years of Git Evolution
Laravel Tech Community
Laravel Tech Community
Apr 24, 2020 · Backend Development

PHP Basic Interview Questions

This article presents a collection of ten PHP basic interview questions covering CSS properties, HTML link targets, CSS centering techniques, color and opacity concepts, JavaScript object references, parsing functions, type coercion, prototype inheritance, DOM selection methods, and AJAX versus form submission nuances.

InterviewPHPQuiz
0 likes · 5 min read
PHP Basic Interview Questions
Python Programming Learning Circle
Python Programming Learning Circle
Apr 23, 2020 · Fundamentals

53 Python Interview Questions and Answers

This article compiles 53 common Python interview questions covering fundamentals such as data structures, functions, OOP, modules, and standard library features, each accompanied by concise explanations and code examples to help candidates and developers prepare effectively.

Interviewpreparationprogramming
0 likes · 24 min read
53 Python Interview Questions and Answers
Python Programming Learning Circle
Python Programming Learning Circle
Apr 21, 2020 · Fundamentals

9 Common Python Interview Questions and Answers

This article presents nine frequently asked Python interview questions covering lists, tuples, dictionaries, string reversal, memory management, session/cookie/token concepts, HTTP methods, decorators, concurrency, comprehensions, and generators, each explained with clear descriptions and code examples for developers preparing for technical interviews.

Data StructuresGeneratorsInterview
0 likes · 11 min read
9 Common Python Interview Questions and Answers
Top Architect
Top Architect
Apr 1, 2020 · Backend Development

How to Prepare for Java Junior and Senior Technical Interviews

Preparing thoroughly for Java junior and senior technical interviews requires covering core Java concepts, Spring and Spring Boot frameworks, database fundamentals, multithreading, JVM internals, and architectural knowledge, while practicing problem‑solving and understanding interviewers' expectations to increase success chances.

InterviewJVMJava
0 likes · 10 min read
How to Prepare for Java Junior and Senior Technical Interviews
Selected Java Interview Questions
Selected Java Interview Questions
Mar 25, 2020 · Backend Development

Comprehensive Guide to Java HashMap: Structure, Operations, Concurrency Issues, and Interview Insights

This article provides an in‑depth explanation of Java's HashMap, covering its array‑plus‑linked‑list (and tree) structure, default capacity and load factor, constructors, put/get workflows, concurrency pitfalls, differences between Java 7 and 8, and key points to ace interview questions.

ConcurrencyData StructureHashMap
0 likes · 8 min read
Comprehensive Guide to Java HashMap: Structure, Operations, Concurrency Issues, and Interview Insights
Taobao Frontend Technology
Taobao Frontend Technology
Mar 21, 2020 · Frontend Development

Top Front-End Interview Answers: HTTP, Virtual DOM, Modules, and More

This article compiles detailed front‑end interview answers covering HTTP request limits, Virtual DOM benefits, CommonJS vs ES6 modules, cookie/session/token differences, image format selection, first‑paint and white‑screen metrics, mini‑program vs H5 distinctions, floating‑point precision, and V8 engine execution.

HTTPInterviewVirtual DOM
0 likes · 14 min read
Top Front-End Interview Answers: HTTP, Virtual DOM, Modules, and More
Open Source Linux
Open Source Linux
Mar 20, 2020 · Fundamentals

Master Linux Interview Questions: From Boot Process to Advanced Server Commands

This comprehensive guide covers essential Linux fundamentals, common interview questions, and practical server administration techniques, including boot sequences, runlevels, file system differences, process management, packaging tools, Nginx optimization, MySQL replication, Docker usage, and useful shell scripts for real‑world operations.

DockerInterviewLinux
0 likes · 35 min read
Master Linux Interview Questions: From Boot Process to Advanced Server Commands
Java Backend Technology
Java Backend Technology
Mar 17, 2020 · Frontend Development

Inside Pornhub’s Front‑End: Engineering Video, Performance, and Web APIs

An interview with a front‑end engineer at Pornhub reveals how the site handles massive video content, performance monitoring, modern Web APIs, and its evolving tech stack, offering practical insights into large‑scale web development and the unique challenges of the adult‑industry platform.

Frontend DevelopmentInterviewVideo Streaming
0 likes · 13 min read
Inside Pornhub’s Front‑End: Engineering Video, Performance, and Web APIs
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Mar 16, 2020 · Backend Development

Mastering Java Backend Interview Questions: Concurrency, JVM, Spring, and Distributed Systems

This article compiles typical Java backend interview questions and detailed answers covering self‑introduction, personal growth, concurrency primitives, JVM memory management, GC tuning, cache design, large‑scale data storage, Spring IoC, AOP, distributed session handling, and common design patterns.

Backend DevelopmentInterviewJVM
0 likes · 18 min read
Mastering Java Backend Interview Questions: Concurrency, JVM, Spring, and Distributed Systems
ITPUB
ITPUB
Mar 9, 2020 · Frontend Development

How Pornhub’s Front‑End Engineers Video, Ads, and Cutting‑Edge Web APIs

In this interview, a senior front‑end engineer from Pornhub reveals how the platform tackles video playback, ad integration, performance monitoring, and emerging Web APIs such as IntersectionObserver, WebXR, and WebRTC, while sharing insights on their tech stack, tooling, and the unique challenges of scaling adult‑content sites.

FrontendInterviewWeb APIs
0 likes · 10 min read
How Pornhub’s Front‑End Engineers Video, Ads, and Cutting‑Edge Web APIs
Selected Java Interview Questions
Selected Java Interview Questions
Mar 4, 2020 · Backend Development

Classification and Explanation of Java Locks for Interview Preparation

This article summarizes the main types of Java locks—including fair/unfair, reentrant, exclusive/shared, mutex/read‑write, optimistic/pessimistic, segment, biased/lightweight/heavyweight, and spin locks—provides brief definitions, usage notes, and a code example to help interview candidates answer concurrency questions effectively.

ConcurrencyInterviewJava
0 likes · 8 min read
Classification and Explanation of Java Locks for Interview Preparation
Big Data Technology & Architecture
Big Data Technology & Architecture
Mar 3, 2020 · Fundamentals

Interview and Resume Advice: Master Fundamentals, Write Honest Resumes, and Leverage Soft Skills

This article shares practical interview and résumé guidance, emphasizing the critical role of solid fundamentals, honest skill representation, iterative résumé polishing, clear project storytelling, and the importance of emotional intelligence over confrontational attitudes during technical hiring processes.

Interviewcareer advicefundamentals
0 likes · 6 min read
Interview and Resume Advice: Master Fundamentals, Write Honest Resumes, and Leverage Soft Skills
Python Programming Learning Circle
Python Programming Learning Circle
Mar 3, 2020 · Fundamentals

Python Interview Questions and Answers: Singleton, Lambda, Type Conversion, Functions, Memory Management, and More

This article presents a collection of common Python interview questions covering topics such as implementing the singleton pattern, using lambda functions, type conversion, function definition, memory management, reverse iteration, list‑tuple conversion, duplicate removal, file operations, random numbers, email sending, object copying, static analysis tools, global variables, regex matching, and exception handling.

Interviewprogramming
0 likes · 9 min read
Python Interview Questions and Answers: Singleton, Lambda, Type Conversion, Functions, Memory Management, and More
Architecture Digest
Architecture Digest
Mar 1, 2020 · Backend Development

How to Effectively Present Your Project Experience in Technical Interviews

This article provides comprehensive strategies for preparing and presenting project experience during software engineering interviews, emphasizing confidence, detailed preparation, highlighting technical strengths such as Java, Spring MVC, database optimization, and big‑data handling, while avoiding common pitfalls and ensuring effective communication with interviewers.

Interviewcareer adviceproject presentation
0 likes · 11 min read
How to Effectively Present Your Project Experience in Technical Interviews
Python Programming Learning Circle
Python Programming Learning Circle
Feb 12, 2020 · Fundamentals

9 Common Python Interview Questions and Answers

This article reviews nine frequently asked Python interview questions, covering lists, tuples, dictionaries, string reversal, memory management, sessions, cookies, tokens, GET vs POST, decorators, concurrency concepts, comprehensions, and generators, providing concise explanations and code examples.

Data StructuresGeneratorsInterview
0 likes · 11 min read
9 Common Python Interview Questions and Answers
Java Captain
Java Captain
Feb 2, 2020 · Fundamentals

How to Effectively Present Your Project Experience in Interviews

This article provides a comprehensive guide on preparing and delivering concise, confident project introductions during technical interviews, highlighting common pitfalls, effective storytelling techniques, and ways to subtly showcase technical strengths to impress interviewers.

InterviewJavacareer advice
0 likes · 18 min read
How to Effectively Present Your Project Experience in Interviews
Big Data Technology & Architecture
Big Data Technology & Architecture
Jan 16, 2020 · Big Data

Kafka Interview Guide: Core Concepts, Architecture, and Practical Tips

This article compiles essential Kafka interview material, covering its role as a message queue, usage scenarios, architectural components, storage mechanisms, consumer group rebalancing, high‑availability features, replication details, ordering guarantees, producer/consumer client design, topic management, log retention, performance optimizations, and key monitoring metrics.

Big DataDistributed SystemsInterview
0 likes · 16 min read
Kafka Interview Guide: Core Concepts, Architecture, and Practical Tips
MaGe Linux Operations
MaGe Linux Operations
Jan 8, 2020 · Operations

Essential Linux Ops Interview Guide: From RAID to Load Balancing

This article compiles a comprehensive set of Linux operations interview questions and answers covering fundamentals such as the definition of ops, RAID levels, load‑balancing tools, middleware, MySQL troubleshooting, scripting, network diagnostics, and best‑practice optimization techniques for system administrators.

InterviewMySQLnetworking
0 likes · 38 min read
Essential Linux Ops Interview Guide: From RAID to Load Balancing
Selected Java Interview Questions
Selected Java Interview Questions
Jan 8, 2020 · Backend Development

Compilation of Java Interview Articles (Issues 1‑40)

This article aggregates over forty WeChat posts that cover Java interview topics ranging from Redis and hash structures to Spring lifecycle, multithreading, serialization, and database sharding, providing a valuable reference for developers preparing for technical interviews.

InterviewJavaRedis
0 likes · 4 min read
Compilation of Java Interview Articles (Issues 1‑40)
Python Programming Learning Circle
Python Programming Learning Circle
Dec 25, 2019 · R&D Management

Turn the Tables: Must‑Ask Questions for Your Technical Interview

This guide presents a comprehensive set of strategic questions candidates can ask during technical interviews to gain insight into responsibilities, technology stacks, team dynamics, company policies, compensation, and remote‑work arrangements, helping them take control of the conversation and showcase their curiosity.

InterviewR&D Managementcareer advice
0 likes · 9 min read
Turn the Tables: Must‑Ask Questions for Your Technical Interview
Architect's Tech Stack
Architect's Tech Stack
Dec 13, 2019 · Backend Development

Comprehensive Java Interview Guide and Preparation Checklist

This article provides a detailed Java interview preparation guide, covering personal experience, overall interview process, essential knowledge areas such as core Java, data structures, algorithms, JVM, multithreading, databases, networking, design patterns, distributed systems, caching, frameworks, emerging technologies, and practical tips for success.

Design PatternsInterviewJVM
0 likes · 9 min read
Comprehensive Java Interview Guide and Preparation Checklist
Selected Java Interview Questions
Selected Java Interview Questions
Dec 4, 2019 · Fundamentals

Understanding Java HashMap: Implementation Principles, JDK7 Source Walkthrough, and Interview Insights

This article explains the fundamentals of hash tables, dives deep into Java's HashMap implementation—including JDK7 source code analysis of its internal structures, resizing logic, and key methods—while also covering common interview questions such as why the array size must be a power of two and the necessity of overriding both equals and hashCode.

Data StructuresHashMapInterview
0 likes · 19 min read
Understanding Java HashMap: Implementation Principles, JDK7 Source Walkthrough, and Interview Insights
Big Data Technology & Architecture
Big Data Technology & Architecture
Dec 4, 2019 · Big Data

Comprehensive Flink Interview Guide: Core Concepts, Advanced Topics, and Source‑Code Insights

This article provides an in‑depth Flink interview guide covering the framework’s core concepts, advanced features such as fault‑tolerance, state management, and checkpointing, as well as detailed explanations of its architecture, APIs, partitioning strategies, and source‑code flow, complete with code examples.

Big DataDistributed SystemsFlink
0 likes · 29 min read
Comprehensive Flink Interview Guide: Core Concepts, Advanced Topics, and Source‑Code Insights
Selected Java Interview Questions
Selected Java Interview Questions
Dec 3, 2019 · Fundamentals

Key Java Collection Framework Interview Questions and Answers

This article provides concise English explanations for common Java collection interview questions, covering differences between HashMap and Hashtable, internal structures, thread‑safety, ArrayList vs LinkedList vs Vector, Array vs ArrayList, HashSet implementation, and the distinctions among List, Set, and Map.

ArrayListCollectionsHashMap
0 likes · 11 min read
Key Java Collection Framework Interview Questions and Answers
21CTO
21CTO
Nov 7, 2019 · Backend Development

Key Takeaways from Meituan’s Java Interview: Backend Questions & Learning Roadmap

This article compiles detailed notes from three rounds of Meituan’s Java interviews, covering SOA, micro‑services, load balancing, concurrency, JVM internals, Spring, database optimization, and algorithm challenges, while also outlining a learning roadmap for seasoned Java developers.

InterviewJavaspring
0 likes · 8 min read
Key Takeaways from Meituan’s Java Interview: Backend Questions & Learning Roadmap
Programmer DD
Programmer DD
Oct 22, 2019 · Fundamentals

What I Learned from a 4‑Hour Meituan Tech Interview: Insights & Strategies

After spending over four hours in three rounds of Meituan's technical interview, I reflect on the limited usefulness of prepared questions, the power of the Feynman learning method, and how interviewing both reveals and sharpens one's knowledge, mindset, and career perspective.

InterviewMeituanTech Interview
0 likes · 10 min read
What I Learned from a 4‑Hour Meituan Tech Interview: Insights & Strategies
Programmer DD
Programmer DD
Oct 21, 2019 · R&D Management

Master the Reverse Interview: The One Question That Trips Up 90% of Candidates

This guide introduces the reverse‑interview concept, shares a curated GitHub repository of essential questions covering responsibilities, technology, team dynamics, company policies, and compensation, and explains how to use them effectively to impress interviewers and assess fit.

Interviewcareer advicecompany assessment
0 likes · 10 min read
Master the Reverse Interview: The One Question That Trips Up 90% of Candidates
Big Data Technology & Architecture
Big Data Technology & Architecture
Oct 3, 2019 · Big Data

Data Development Interview Tips and Career Guidance

This article offers practical advice for data development job interviews, explaining why Java is essential, comparing Java and Python, outlining required backend framework knowledge, discussing the role of SQL and data warehousing, and addressing work‑life concerns such as overtime and company size choices.

Big DataData EngineeringInterview
0 likes · 4 min read
Data Development Interview Tips and Career Guidance
21CTO
21CTO
Sep 28, 2019 · Backend Development

What I Learned From a Tough ByteDance Backend Interview: Nginx, Redis, and More

A candid recount of a ByteDance backend interview reveals how superficial preparation, gaps in Nginx, uWSGI, Redis, and data‑structure knowledge, and nervousness can derail even experienced developers, while offering concrete advice on early preparation, resume framing, and tackling tough technical questions.

InterviewRedisalgorithm
0 likes · 12 min read
What I Learned From a Tough ByteDance Backend Interview: Nginx, Redis, and More
21CTO
21CTO
Sep 19, 2019 · Backend Development

Why COBOL Still Powers Modern Banking After 60 Years

This article traces COBOL's 60‑year history, its enduring role in finance and government systems, and includes an interview with Micro Focus expert Rolf Becking who demonstrates a simple Hello World program and explains how the language remains relevant in cloud and modern architectures.

COBOLInterviewSoftware Modernization
0 likes · 10 min read
Why COBOL Still Powers Modern Banking After 60 Years
Java Captain
Java Captain
Aug 10, 2019 · Fundamentals

Top 10 Tricky Java Interview Questions and Answers

This article compiles ten of the most challenging Java interview questions, covering topics such as wait/notify placement, lack of multiple inheritance, operator overloading, string immutability, password storage, double‑checked locking singleton, deadlock creation and resolution, serialization pitfalls, and static method overriding, with detailed explanations and code examples.

ConcurrencyInterviewOOP
0 likes · 39 min read
Top 10 Tricky Java Interview Questions and Answers
Programmer DD
Programmer DD
Aug 2, 2019 · Backend Development

Top 10 Spring Boot Interview Questions Every Backend Developer Must Know

This article presents the ten most frequently asked Spring Boot interview questions, covering annotations, package exclusion, auto‑configuration control, Actuator features, initializer usage, embedded Tomcat customization, and how to disable the default web server, providing concise answers and code examples for each.

ActuatorEmbedded TomcatInterview
0 likes · 8 min read
Top 10 Spring Boot Interview Questions Every Backend Developer Must Know
ITPUB
ITPUB
Jul 26, 2019 · Databases

Why KEYS Can Crash Redis and How SCAN Keeps It Responsive

The article explains how using the KEYS command on millions of Redis keys blocks the single‑threaded server, causing outages, and demonstrates how the incremental SCAN command with cursor, MATCH, and COUNT options provides a safe, non‑blocking way to iterate large keyspaces.

DatabaseInterviewKEYS
0 likes · 5 min read
Why KEYS Can Crash Redis and How SCAN Keeps It Responsive
Architecture Digest
Architecture Digest
Jul 23, 2019 · Fundamentals

Java Fundamentals: OOP Concepts, JVM/JDK/JRE, and Common Interview Topics

This article provides a comprehensive overview of core Java concepts for interview preparation, covering object‑oriented programming fundamentals, differences between OOP and procedural programming, detailed explanations of JVM, JDK, JRE, comparisons with C++, string handling, constructors, inheritance, polymorphism, threading, garbage collection, and related code examples.

Garbage CollectionInterviewJDK
0 likes · 36 min read
Java Fundamentals: OOP Concepts, JVM/JDK/JRE, and Common Interview Topics
Java Backend Technology
Java Backend Technology
Jun 24, 2019 · Backend Development

What I Learned from 2 Months of Java Backend Interviews: Tips & Insights

Over two months, I interviewed with multiple companies for Java backend roles, sharing detailed experiences from technical rounds—covering JVM, concurrency, distributed locks, databases, and system design—to highlight key questions, effective answers, and practical advice for succeeding in similar backend development interviews.

ConcurrencyDatabaseDistributed Systems
0 likes · 17 min read
What I Learned from 2 Months of Java Backend Interviews: Tips & Insights
Architect's Tech Stack
Architect's Tech Stack
Jun 23, 2019 · Big Data

Elasticsearch Interview Questions: Architecture, Indexing, Optimization, and Operations

This article compiles common Elasticsearch interview questions and detailed answers covering cluster architecture, inverted index fundamentals, index design, write/query optimizations, master election, document indexing flow, search process, Linux tuning, and Lucene internals, providing practical guidance for candidates.

ClusterElasticsearchInterview
0 likes · 10 min read
Elasticsearch Interview Questions: Architecture, Indexing, Optimization, and Operations
Liangxu Linux
Liangxu Linux
Jun 11, 2019 · Operations

Top 23 Shell Script Interview Questions and Answers Every Engineer Should Know

This article compiles the most common shell script interview questions, providing clear explanations of script basics, variable types, redirection, control structures, special variables, file testing, arithmetic, functions, and debugging techniques to help candidates master Linux automation.

BashInterviewShell scripting
0 likes · 11 min read
Top 23 Shell Script Interview Questions and Answers Every Engineer Should Know
Architect's Tech Stack
Architect's Tech Stack
May 21, 2019 · Backend Development

RabbitMQ Overview: Core Concepts, Usage Scenarios, Message Delivery Guarantees, and Common Interview Questions

This article explains what RabbitMQ is, why it is used, typical application scenarios, how to ensure reliable message publishing and consumption, the roles of sender and receiver acknowledgments, routing mechanisms, clustering options, advantages, drawbacks, and provides interview‑style Q&A with a keyword to obtain full answers.

InterviewMessage QueueRabbitMQ
0 likes · 4 min read
RabbitMQ Overview: Core Concepts, Usage Scenarios, Message Delivery Guarantees, and Common Interview Questions
MaGe Linux Operations
MaGe Linux Operations
Apr 10, 2019 · Backend Development

Top 17 Python Interview Questions Every Backend Engineer Should Master

This article compiles 17 essential Python interview questions covering basic syntax, type conversion, memory management, dictionary methods, lambda functions, os and sys modules, object copying, path handling, regex, generators, WSGI vs FastCGI, Django vs Tornado, debugging tools, Redis caching, unit testing, HTTP protocol fundamentals, request headers, and common status codes.

HTTPInterview
0 likes · 14 min read
Top 17 Python Interview Questions Every Backend Engineer Should Master
Big Data Technology & Architecture
Big Data Technology & Architecture
Mar 31, 2019 · Fundamentals

Interview Is Not Just Q&A: Practical Insights for Interviewers and Candidates

The article shares practical interview advice from a seasoned interviewer, covering self‑introduction timing, answering technical questions with personal experience, articulating thought processes for unknown problems, expanding on answers, and emphasizing the need for both breadth and depth in technology skills to stay competitive.

Interviewcareer adviceprofessional development
0 likes · 7 min read
Interview Is Not Just Q&A: Practical Insights for Interviewers and Candidates
Architect's Tech Stack
Architect's Tech Stack
Mar 14, 2019 · Fundamentals

Comprehensive Java Interview Questions and Answers Overview

This article compiles a comprehensive set of Java interview questions covering core fundamentals, concurrency, thread management, locking mechanisms, database concepts, and JVM internals, providing concise prompts for candidates to prepare effectively for technical interviews.

ConcurrencyInterviewJVM
0 likes · 6 min read
Comprehensive Java Interview Questions and Answers Overview
Java Captain
Java Captain
Mar 12, 2019 · Fundamentals

Java Basics Interview Questions and Answers – Part 1

This article presents a curated set of 208 Java interview questions, focusing on the Java Basics module, and provides detailed explanations, code examples, and analyses of concepts such as JDK vs JRE, == vs equals, hashCode, final, abstract classes, and common String operations.

InterviewJDKJRE
0 likes · 14 min read
Java Basics Interview Questions and Answers – Part 1
Java Captain
Java Captain
Mar 11, 2019 · Backend Development

Comprehensive Java Interview Question List (208 Questions)

This article presents a curated collection of over 200 Java interview questions covering fundamentals, collections, concurrency, reflection, web technologies, Spring ecosystem, databases, messaging, and JVM internals, aimed at developers preparing for junior to senior-level interviews and seeking to identify and fill knowledge gaps.

InterviewJVMJava
0 likes · 12 min read
Comprehensive Java Interview Question List (208 Questions)
Programmer DD
Programmer DD
Mar 7, 2019 · Backend Development

Master Java Thread Pools: Key Interview Questions & Parameter Tuning

This article explains why Java concurrency is essential, presents common interview questions about thread pools and locking, walks through concrete parameter‑setting scenarios such as coreSize=5, maxSize=10 with six tasks, and offers guidance on choosing pool sizes for high‑traffic payment services.

InterviewJavaThreadPool
0 likes · 6 min read
Master Java Thread Pools: Key Interview Questions & Parameter Tuning
ITPUB
ITPUB
Mar 5, 2019 · Backend Development

What Do Top Tech Companies Really Test in Linux Server Engineer Interviews?

The article shares a developer’s experience interviewing at over 30 Chinese tech firms, breaking down three main interview focuses—data structures and algorithms, operating‑system and core‑technology knowledge, and project experience—while also offering practical advice on networking questions, open‑source tools, and how to evaluate a company's interview process.

CData StructuresInterview
0 likes · 16 min read
What Do Top Tech Companies Really Test in Linux Server Engineer Interviews?
Java Backend Technology
Java Backend Technology
Feb 24, 2019 · Backend Development

Top Java Backend Interview Questions: Microservices, Redis, MySQL & More

This article compiles a comprehensive set of interview questions encountered across four technical rounds and an HR session for a major Chinese tech company, covering Java backend architecture, microservices design, RocketMQ, Redis internals, database consistency, networking, algorithms, and practical troubleshooting tips.

InterviewJavaMySQL
0 likes · 7 min read
Top Java Backend Interview Questions: Microservices, Redis, MySQL & More
Java Backend Technology
Java Backend Technology
Feb 22, 2019 · Databases

Mastering Redis Cluster: Evolution, Architecture, and Interview Secrets

This article walks through the evolution of Redis clustering—from early Replication+Sentinel setups, through Proxy‑based solutions, to modern Redis Cluster—detailing their architectures, advantages, drawbacks, and provides practical interview tips and high‑impact answers for candidates.

Backend DevelopmentClusterDatabase
0 likes · 11 min read
Mastering Redis Cluster: Evolution, Architecture, and Interview Secrets
UC Tech Team
UC Tech Team
Feb 14, 2019 · Frontend Development

Updated Front‑End Engineer Interview Guidance from Dan Abramov

Dan Abramov announced revised interview expectations for front‑end engineers, emphasizing practical JavaScript skills, performance awareness, core data structures, and a solid grasp of language fundamentals without requiring specific library knowledge, to help candidates better prepare for Facebook‑style interviews.

Data StructuresInterviewUI engineering
0 likes · 4 min read
Updated Front‑End Engineer Interview Guidance from Dan Abramov
Java Captain
Java Captain
Feb 9, 2019 · Databases

Evolution of Redis Cluster Architecture and Interview Tips

This article reviews the progression of Redis high‑availability solutions—from simple replication with Sentinel, through proxy‑based setups, to native Redis Cluster—explains their advantages and drawbacks, and provides practical interview Q&A tips for candidates.

ClusterDatabaseInterview
0 likes · 9 min read
Evolution of Redis Cluster Architecture and Interview Tips
21CTO
21CTO
Feb 6, 2019 · R&D Management

How to Evaluate Candidates: Practical Interview Strategies for Tech Teams

This article shares a range of interview and recruitment techniques—including stable hiring, challenge‑based hiring, template assessments, preparation tips, code‑quality checks, and the balance between attitude and technical skill—to help tech leaders select candidates who fit both the role and the organization’s growth stage.

Interviewcandidate assessmentrecruitment
0 likes · 12 min read
How to Evaluate Candidates: Practical Interview Strategies for Tech Teams
Java Captain
Java Captain
Jan 28, 2019 · Fundamentals

Understanding ArrayList and LinkedList Internals During a Java Interview

The article recounts a Java interview where the interviewer explains the memory layout, random‑access capability, and time‑complexity differences between ArrayList (array‑based) and LinkedList (node‑based), using clear examples and code snippets to illustrate fundamental data‑structure concepts.

ArrayListInterviewJava
0 likes · 8 min read
Understanding ArrayList and LinkedList Internals During a Java Interview
Architect's Tech Stack
Architect's Tech Stack
Jan 17, 2019 · Backend Development

Comprehensive Java Interview Questions and Topics

This article compiles an extensive list of Java interview questions covering fundamentals, concurrency, collections, JVM internals, I/O, design patterns, testing, and best practices, providing candidates with a comprehensive study guide for modern backend development roles.

ConcurrencyDesign PatternsInterview
0 likes · 12 min read
Comprehensive Java Interview Questions and Topics
Java Captain
Java Captain
Jan 14, 2019 · Fundamentals

Understanding Java HashMap: Principles, Operations, and Interview Insights

This article explains the fundamentals of Java's HashMap, covering its internal structure, hash computation, insertion and retrieval processes, collision handling, resizing, thread‑safety concerns, differences with Hashtable, and practical interview questions with code examples.

CollectionsHashMapInterview
0 likes · 17 min read
Understanding Java HashMap: Principles, Operations, and Interview Insights