摘要:
https://www.jianshu.com/p/1e1c7e7cec50 var example = this.service.gettest().pipe( map((val) => { console.log(val.toString()) if (parseInt(val.toString
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posted @ 2020-03-26 00:16
connie313
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1. JMM, java内存管理,指的是线程管理,保证线程安全 2. volatle and synchorozed volatile is lightwweight, only variable while synchonzied is heavy. for variable and method
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posted @ 2020-03-22 12:03
connie313
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1.TImer 2. Quartz 3. Sprint with config 4. spring boot+enableScheduling ** iin spring boot, spring boot schedule has be tobe used. if use quartz, will
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posted @ 2020-03-16 00:11
connie313
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Recently when I work on ETL task: Consume data from Kafka to DB. Frequent a row a connect->insert->close to DB is not a good option. First setParalism
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posted @ 2020-02-22 17:30
connie313
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routing: Route can loadChildren:loadChildrenCallback; path; pathMatcher; NgModuleFactory { path: 'list', loadChildren: () => import("./list/list.modul
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posted @ 2020-01-24 21:30
connie313
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许多大厂使用flin + storm.spart/storm是批处理大数据,flink是流处理大数据。也就是说支持增量的更新,不用牵一发而动全身,实施更改。 安装和部署。 可以用kubernates管理cluster,把程序部署到集群中。也可以部署到本地虚拟机。 nc -l -p 9000,然后输入
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posted @ 2020-01-24 16:35
connie313
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https://blog.csdn.net/wopelo/article/details/80632692 browsersync:http://www.browsersync.cn/#install http://rsk.book.jasperxu.com/Fluximplementation.h
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posted @ 2020-01-16 21:59
connie313
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yarn is similar to npm. how to install yarn: npm install yarn -g or choco install yarn npm vs yarn: yarnnpm说明 yarn init npm init 初始化项目,生成package.json文
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posted @ 2020-01-16 20:41
connie313
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Flink和大数据有关, 分streaming和batch Kagka是数据的解耦
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posted @ 2020-01-13 21:02
connie313
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https://nginx.org/en/docs/beginners_guide.html#static https://www.jianshu.com/p/0118f7b3344d https://unit.nginx.org/contribution/
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posted @ 2020-01-06 09:02
connie313
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