JSP/Servlet应用程序优化八法_MySQL
servlet
你的J2EE应用是不是运行的很慢？它们能不能承受住不断上升的访问量？本文讲述了开发高性能、高弹性的JSP页面和Servlet的性能优化技术。其意思是建立尽可能快的并能适应数量增长的用户及其请求。在本文中，我将带领你学习已经实践和得到证实的性能调整技术，它将大大地提高你的servlet和jsp页面的性能，进而提升J2EE的性能。这些技术的部分用于开发阶段，例如，设计和编码阶段。另一部分技术则与配置相关。
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Shazam app not working in iPhone: Fix
Jun 08, 2024 pm 12:36 PM
Having issues with the Shazam app on iPhone? Shazam helps you find songs by listening to them. However, if Shazam isn't working properly or doesn't recognize the song, you'll have to troubleshoot it manually. Repairing the Shazam app won't take long. So, without wasting any more time, follow the steps below to resolve issues with Shazam app. Fix 1 – Disable Bold Text Feature Bold text on iPhone may be the reason why Shazam is not working properly. Step 1 – You can only do this from your iPhone settings. So, open it. Step 2 – Next, open the “Display & Brightness” settings there. Step 3 – If you find that “Bold Text” is enabled
Performance comparison of different Java frameworks
Jun 05, 2024 pm 07:14 PM
Performance comparison of different Java frameworks: REST API request processing: Vert.x is the best, with a request rate of 2 times SpringBoot and 3 times Dropwizard. Database query: SpringBoot's HibernateORM is better than Vert.x and Dropwizard's ORM. Caching operations: Vert.x's Hazelcast client is superior to SpringBoot and Dropwizard's caching mechanisms. Suitable framework: Choose according to application requirements. Vert.x is suitable for high-performance web services, SpringBoot is suitable for data-intensive applications, and Dropwizard is suitable for microservice architecture.
PHP array key value flipping: Comparative performance analysis of different methods
May 03, 2024 pm 09:03 PM
The performance comparison of PHP array key value flipping methods shows that the array_flip() function performs better than the for loop in large arrays (more than 1 million elements) and takes less time. The for loop method of manually flipping key values takes a relatively long time.
C++ program optimization: time complexity reduction techniques
Jun 01, 2024 am 11:19 AM
Time complexity measures the execution time of an algorithm relative to the size of the input. Tips for reducing the time complexity of C++ programs include: choosing appropriate containers (such as vector, list) to optimize data storage and management. Utilize efficient algorithms such as quick sort to reduce computation time. Eliminate multiple operations to reduce double counting. Use conditional branches to avoid unnecessary calculations. Optimize linear search by using faster algorithms such as binary search.
More than just 3D Gaussian! Latest overview of state-of-the-art 3D reconstruction techniques
Jun 02, 2024 pm 06:57 PM
Written above & The author’s personal understanding is that image-based 3D reconstruction is a challenging task that involves inferring the 3D shape of an object or scene from a set of input images. Learning-based methods have attracted attention for their ability to directly estimate 3D shapes. This review paper focuses on state-of-the-art 3D reconstruction techniques, including generating novel, unseen views. An overview of recent developments in Gaussian splash methods is provided, including input types, model structures, output representations, and training strategies. Unresolved challenges and future directions are also discussed. Given the rapid progress in this field and the numerous opportunities to enhance 3D reconstruction methods, a thorough examination of the algorithm seems crucial. Therefore, this study provides a comprehensive overview of recent advances in Gaussian scattering. (Swipe your thumb up
How to optimize the performance of multi-threaded programs in C++?
Jun 05, 2024 pm 02:04 PM
Effective techniques for optimizing C++ multi-threaded performance include limiting the number of threads to avoid resource contention. Use lightweight mutex locks to reduce contention. Optimize the scope of the lock and minimize the waiting time. Use lock-free data structures to improve concurrency. Avoid busy waiting and notify threads of resource availability through events.
What is the performance impact of converting PHP arrays to objects?
Apr 30, 2024 am 08:39 AM
In PHP, the conversion of arrays to objects will have an impact on performance, mainly affected by factors such as array size, complexity, object class, etc. To optimize performance, consider using custom iterators, avoiding unnecessary conversions, batch converting arrays, and other techniques.
How do new features of PHP functions simplify the development process?
May 04, 2024 pm 09:45 PM
The new features of PHP functions greatly simplify the development process, including: Arrow function: Provides concise anonymous function syntax to reduce code redundancy. Property type declaration: Specify types for class properties, enhance code readability and reliability, and automatically perform type checking at runtime. null operator: concisely checks and handles null values, can be used to handle optional parameters.
