current location:Home > Technical Articles > Backend Development
- Direction:
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify:
-
- How can you use goroutine pools to limit the number of concurrent goroutines?
- The article discusses using goroutine pools in Go to manage concurrency by limiting the number of simultaneous goroutines, ensuring efficient resource use and predictable performance.
- Golang 346 2025-03-26 16:48:42
-
- How do you benchmark concurrent Go code?
- The article discusses benchmarking concurrent Go code, focusing on using Go's testing package, pprof, and other tools to measure performance accurately. It highlights common pitfalls and best practices for reliable results.
- Golang 506 2025-03-26 16:47:42
-
- What are the best practices for handling errors in concurrent Go code?
- The article discusses best practices for error handling in concurrent Go programming, focusing on using channels, error groups, and context for effective error management and avoiding common pitfalls.
- Golang 944 2025-03-26 16:45:44
-
- Explain how to use sync.Once to execute code only once.
- The article explains how to use Go's sync.Once to ensure a function runs only once in concurrent environments, preventing race conditions and simplifying code.
- Golang 896 2025-03-26 16:44:41
-
- What is a deadlock? How can you prevent deadlocks in Go?
- The article discusses deadlocks in Go programming, their causes, and prevention strategies. It emphasizes avoiding circular waits, using timeouts, and monitoring to detect and prevent deadlocks.
- Golang 398 2025-03-26 16:43:41
-
- What is a race condition? How can you detect and prevent race conditions in Go?
- The article discusses race conditions in Go, explaining detection using the built-in race detector and prevention through mutexes, channels, atomic operations, and immutable data structures.
- Golang 376 2025-03-26 16:41:46
-
- How can you optimize database queries in Python?
- The article discusses strategies for optimizing database queries in Python, focusing on efficient query structures, indexing, and using tools like SQLAlchemy and cProfile.
- Python Tutorial 721 2025-03-26 16:39:41
-
- Explain the concept of data warehousing. What are star schemas and snowflake schemas?
- Data warehousing centralizes data for BI, using star and snowflake schemas. Star schemas are simpler and faster, while snowflake schemas save space but are complex.
- Python Tutorial 655 2025-03-26 16:38:35
-
- What are the different types of joins in SQL? How can you perform joins using Pandas?
- Article discusses types of SQL joins (INNER, LEFT, RIGHT, FULL, CROSS) and their Pandas equivalents using merge function. Key differences between INNER and LEFT JOINs, optimization strategies for large datasets, and common pitfalls in SQL and Pandas
- Python Tutorial 201 2025-03-26 16:37:42
-
- Describe the process of ETL (Extract, Transform, Load). How can you implement an ETL pipeline in Python?
- Article discusses ETL process (Extract, Transform, Load) in data management, its implementation in Python, and challenges faced during ETL.Main issue: Ensuring data quality and integrity during ETL process.
- Python Tutorial 528 2025-03-26 16:36:43
-
- How can you use Pandas to clean, transform, and analyze data in Python?
- The article discusses using Pandas in Python for data manipulation, covering cleaning, transforming, and analyzing data. Key methods include handling missing data, reshaping datasets, and performing statistical analysis.
- Python Tutorial 286 2025-03-26 16:35:41
-
- How can you prevent SQL injection vulnerabilities in Python?
- Article discusses preventing SQL injection in Python using parameterized queries, ORMs, input validation, and security best practices.
- Python Tutorial 520 2025-03-26 16:32:45
-
- What are ORMs (Object-Relational Mappers)? What are the advantages and disadvantages of using them (e.g., SQLAlchemy, Django ORM)?
- ORMs like SQLAlchemy and Django ORM enable object-oriented database interactions, enhancing productivity and security but may reduce performance and control. SQLAlchemy suits high-performance projects.
- Python Tutorial 215 2025-03-26 16:30:40
-
- What are the benefits of using asynchronous queues (e.g., asyncio.Queue)?
- The article discusses the benefits and applications of asynchronous queues in Python, focusing on improved concurrency, resource efficiency, and scalability. It also provides best practices for managing and optimizing these queues.
- Python Tutorial 1006 2025-03-26 16:28:44
-
- What are race conditions and deadlocks? How can you prevent them in Python?
- Article discusses race conditions and deadlocks in Python, their impacts, and prevention methods like locks, semaphores, and best practices for reliable multi-threaded programming.
- Python Tutorial 447 2025-03-26 16:26:40