ou主题的文章列表，还有ou的技术要点_第313页

mysql5.7密码过期ERROR 1862 (HY000): Your password has expired. To log in you must change

环境：ubuntu14.04 mysql5.7 一、mysql5.7密码过期问题报错：ERROR1862(HY000):Yourpasswordhasexpired.Tologinyoumustchangeitusingaclientthatsupportsexpiredpasswords.翻译：错...

IT猿 ·2020-03-27

33、springboot整合springcloud

SpringCloud是一个分布式的整体解决方案。SpringCloud为开发者提供了在分布式系统（配置管理，服务发现，熔断，路由，微代理，控制总线，一次性token，全局琐，leader选举，分布式session，集群状态）中快速构建的工具，使用SpringCloud的开发者可以快速的启动服务或构建应用、同时能够快速...

IT猿 ·2020-03-27

xfs mount and repair

sudomount-txfs/dev/sdb1/storage 2017年12月03日10:14:19阅读数：2749首先尝试mount和umount文件系统，以便重放日志，修复文件系统，如果不行，再进行如下操作。做此步之前确保分区处于umount状态xfs_check/dev/sdd(盘符);e...

IT猿 ·2020-03-27

Out of memory: Kill process 内存不足

服务直接被killed，感觉特别奇怪。代码肯定是没有问题的，但为什么放到服务器上就出错了呢。部署时报错如下：Shell代码 Failed to add the deployment content to ...

IT猿 ·2020-03-27

ORDER BY，GROUP BY 和DI STI NCT 优化

2015年01月18日18:51:31 lihuayong 阅读数：2593 标签： ORDERBY优化GROUPBY优化DISTINCT优化更多个人分类：数据库在MySQL ...

IT猿 ·2020-03-27

Python实现MapReduce,wordcount实例，MapReduce实现两表的Join

Python实现MapReduce下面使用mapreduce模式实现了一个简单的统计日志中单词出现次数的程序: fromfunctoolsimportreducefrommultiprocessingimportPoolfromcollectionsimportCounterdefread_inputs(fi...

IT猿 ·2020-03-27

一篇文章带你了解Cloud Native

背景CloudNative表面看起来比较容易理解，但是细思好像又有些模糊不清：CloudNative和Cloud关系是啥？它用来解决什么问题？它是一个新技术还是一个新的方法？什么样的APP符合“云原生”的呢？等等。下面将会一一解读。 CloudNative介绍CloudNative是M...

IT猿 ·2020-03-27

Airbnb/Apache Superset – the open source dashboards and visualization tool – first impressions and link to a demo

https://assemblinganalytics.com/post/airbnbapache-superset-first-impressions-and-link-to-a-demo/TodayIspentsometimelookingintoSuperset,theanalyticsandBIopensour...

IT猿 ·2020-03-27

Open Source BI Platform List

awesome-business-intelligence https://github.com/thenaturalist/awesome-business-intelligencehttps://github.com/onurakpolat/awesome-bigdatahttps://www.oschi...

IT猿 ·2020-03-27

Sending forms through JavaScript

https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Sending_forms_through_JavaScriptAsinthe previousarticle, HTMLformscansendan HTTP r...

IT猿 ·2020-03-27

You have JVM property "https.proxyHost" set to “localhost”

Mac下Pycharm和AndroidStudio里面proxy配置页都提示这个,后来在~/.gradle/gradle.properties里面找到了proxy设置代码，删掉就好了。...

IT猿 ·2020-03-27

Taking A Fresh Look At What Open Source API Management Architecture Is Available

http://apievangelist.com/2014/10/05/taking-a-fresh-look-at-what-open-source-api-management-architecture-is-available/05Oct2014I’vebeena outspokenadvo...

IT猿 ·2020-03-27

Failed to complete obtain psql count Master gp_segment_configuration Script Exiti

问题：在初始化过程中，如到以下问题：gpadmin-[FATAL]:-FailedtocompleteobtainpsqlcountMastergp_segment_configuration ScriptExiting!ScripthasleftGreenplumDatabaseinanincomplete...

IT猿 ·2020-03-27

Multi-Cloud & Kubernetes: Cloud Academy November 2018 Data Report

https://cloudacademy.com/research/multi-cloud-kubernetes-devops-cloud-academy-data-report-nov-18/November2018| CloudAcademyDataReportNo.1IntheinauguralClou...

IT猿 ·2020-03-27

Multi-cloud Kubernetes with Triton

https://www.joyent.com/blog/triton-kubernetes-multicloudWhilerunninganexperimental Kubernetes clusterisfairlysimple,operationalizingK8senvironmentsfor...

IT猿 ·2020-03-27