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Spring JdbcTemplate是spring对jdbc的封装,省去了自己管理数据库资源的麻烦,使得Jdbc更容易使用。Srping JdbcTemplate配置druid多数据源时,主要需要在创建JdbcTemplate时为其分配不同的数据源,在访问不同数据库的时候,使用不用的JdbcTemplate即可。
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记录下查询MySQL本周,上周,本月,最近N天的日期
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常见的框架日志有:log4j,log4j2,logback,common-logging(JCL),java-util-logging(JUL)和slf4j等。 而日志框架主要分两类: 日志门面(抽象)如:jboss-logging,slf4j,JCL 日志实现(实现)如:log4j,log4j2,logback,JUL 对于日志实现,JUL实现简陋,很多地方被开发者吐槽,所以排除;log4j
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Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any pr,
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前两天拍的清晨的大雾,能见度很低,给人一种窒息感。但是站在高处看有种仙境的感觉,而且,大雾之后,是万里无云的蓝天,也算是给阴雨许多天的合肥一个不错的交代了。
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Spring Boot 使用一个全局的配置文件,文件名是固定的:application.properties或application.yml。配置文件要是想被Spring Boot自动加载,需要放置到指定的位置:src/main/resource目录下,一般自定义的配置文件也位于此目录之下。
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.