Tag：interview questions
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Chapter 7 of “Mybatis Manual Column”: Definition and Implementation of SQL Executor
Author: Brother FuBlog: https://bugstack.cn –”Handwritten Mybatis Series” I. Introduction Why, read the framework source code? Because the business engineering code in hand is too hip! Usually as business research and development, most of the code developed is a series of process-based processing, lacking decoupling of functional logic, and has the characteristics of frequent iterations but […]
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After typing tens of thousands of lines of source code, I drew a “full map” for Mybatis
Author: Brother XiaofuBlog: https://bugstack.cn Precipitate, share, grow, and let yourself and others gain something! 1. Talk about: Postpartum feelings Someone told me that handwriting Spring is difficult, but handwriting Mybatis is easy? a magical force, Let me start working on Mybatis after writing Spring. At first, I also thought that Spring has been written down […]
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What is MongoDB? What are the advantages of non-relational databases? Installation and use tutorial
hello! Hello everyone, I’m Xiao Qi, a programmer who loves to shareXiaoqi intends to share some techniques in a light and humorous dialogue. If you feel that you have learned something through Xiaoqi’s article, then give Xiaoqi a like.The article is continuously updated, you can search for [Xiaoqi JAVA Interview] on WeChat to read it […]
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Redis cache design and analysis of classic problems
1 The basic idea of caching 1. Different storage media have different access delays and different storage capacities at the same cost: SSD/DISK, Memory, L3 cache, L2 cache, L1 cache five storage media, the access delay is gradually reduced, but the capacity of the same cost is gradually increased. 2. The principle of time limitation […]
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One of Android’s advanced technologies – understand Android’s message mechanism in one article
foreword Why change old medicine for new soup As one of the crucial mechanisms in Android, for more than a decade, articles analyzing it have continued, and a large amount of content has been mined. so: Readers who are already familiar with this mechanism will not see anything new in this article. But for readers […]