1. 827. Maximum artificial island (depth first)
On a two-dimensional map, 0 represents the ocean and 1 represents the land. We can only change a grid of 0 oceans into a land at most.
What is the area of the largest island on the map after reclamation? (1 islands connected in the upper, lower, left and right directions)
Added by igorlopez on Sun, 19 May 2019 14:07:39 +0300
For reprinting, please indicate the source:http://blog.csdn.net/forezp/article/details/70545038
This article is from Fang Zhipeng's blog
The full name of JPA is Java Persistence API.JPA describes the mapping relationship of object-relational tables through JDK 5.0 annotations or XML, and persists the runtime entity objects to the database.
Added by Chef-Mars on Sun, 19 May 2019 12:17:31 +0300
-- Watch it today renren-security Source code, found that redis caches can be dynamically turned on/off in the configuration file:
open: false #Whether to turn on redis cache true Turn on false Close
If reren.redis.open=true, the data from the sys_config table will also be saved to redis
If reren.red ...
1.1 Benefits of Maven
Save space and manage jar packages in a unified way
One button construction
Application in large-scale projects can improve development efficiency
1.2 Maven Installation Deployment Configuration
1.3 Maven's warehouse
Remote Warehouse (Private Service)
Added by nick5449 on Sun, 19 May 2019 10:45:26 +0300
Druid Spring Boot Starter
Druid Spring Boot Starter is used to help you easily integrate Druid database connection pool and monitoring in Spring Boot project.
How to use
Add druid-spring-boot-starter dependencies to Spring Book projects
Distributed transaction is a problem that must be solved in distributed systems. At present, the final consistency scheme is used mostly.Since Ali opened Fescar at the beginning of this year (renamed Seata in early April), the project has received tremendous attention and is now approaching 8000 Star s. Seata Distributed transaction cha ...
Added by unkwntech on Sat, 18 May 2019 13:06:43 +0300
This article is followed by the last blog: Introduction to Spring boot (3): Spring boot integration combined with AdminLTE(Freemarker), using generation to automatically generate code, using DataTable and Page Helper for paging display . According to the previous blog, we can build a simple Spring Boot system. This blog continues to transfor ...
Added by XZer0cool on Sat, 18 May 2019 06:38:44 +0300
Refactoring - Improves the design of existing code so that software can be more easily understood and modified.
Book back Source Parsing for Token Pass-through within Spring Security OAuth Micro-Service In this article, there is no token call process, the code is constantly improving and its refactoring process.
The requirements are ...
Added by LaWr3nCe on Fri, 17 May 2019 10:57:55 +0300
Introduction to SpringII. Spring's IoC Actual WarfareIII. Summary of Common Annotations of IoCIV. Project Source Code and Reference Download5. Reference Articles
Introduction to Spring
1. What is Spring
Spring is a lightweight open source framework for layered Java SE/EE application full-stack. With IoC (Inverse Of Control) and AOP ...
Added by tanita on Thu, 16 May 2019 17:24:54 +0300
Usually, in the context of front-end and back-end separation, our back-end services are usually returned to the front-end formatted data, such as Json. At the beginning, we used JSON package to produce a JSON string, which is customized with some API s of http protocol.
spring has evolved to the present day and has packaged generic ...
Added by smiley_kool on Thu, 16 May 2019 16:08:42 +0300