123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566-- create tableCREATE TABLE `test_partition` ( `name` varchar(2...

spring-boot-eurekaapplication.yml1234567891011121314151617181920212223242526272829303132333435363738394041424344server: port: 8541 #ssl ssl: enabled: true key-store: ff.jks ...

hadoop environment setupssh authorization. set use key login linux command123ssh-keygen -t rsa cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys chmod 0600 ~/.ssh/authorized_keys . ch...

flowchart12345678910111213141516171819202122232425262728st=>start: Improve yourl10n process!end=>end: Continue to have fun!op1=>operation: Go to locize.comsub1=>subroutine: Re...

spark learnrun shelllearn-address 12# pathon./bin/pyspark --master local[2]

javaiteratoriterablepythoniterable/可迭代的         当对象中存在iter方法时，该对象就是iterable对象，若一般对象实现iter方法时，它将成为iterable，其在python中iterable的有以下：[列表、字典、元组] 123...

java        自java更新到jdk8后，添加了lambda表达式及java.util.Stream,以下便是对此进行说明Stream对数据进行处理，但对原来的数据不进行更改 java创建stream的几种方法      &...

mongodb 基本语法操作mongodb的数据库切换操作1234show dbs; #查看mongodb数据库中存在的数据库use datebase_name; #使用指定的数据库show collections; #查看某个数据库下所有的collction 对collection操作json的数据格式1234567891011121314151617181...

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on ...

dart object copy        现在创建一个普通的实体类，并且该类带有main方法，如下代码 12345678910111213141516171819202122232425262728293031323334//copy class import 'dart:math';v...