Android EXCEL parses xls and xlsx in a simple way

Preface Excel parsing is generally done on the server side, but if the mobile side is to implement the function of parsing Excel, there is a way to do it. However, since Android is natively implemented in Java/Kotlin, you can also refer to how the server side parses Excel. First of all, jxl, which was a popular framework for parsing office docu ...

Posted on Tue, 05 May 2020 13:45:39 -0400 by rcoursey

Ten Linux commands you may not have used before!Great!

Cloud Habitat Information: [ Click to view more industry information]Here you can find the first-hand cloud information from different industries, what are you waiting for, come on! Perhaps you haven't used the last ten Linux commands.Quite useful. 1)pgrep There is a p before the P grep name, and we can guess that it's related to a process, a ...

Posted on Tue, 05 May 2020 12:23:23 -0400 by nielst

mybatis uses collection to implement nested queries

When writing the mybatis query statement, you need to write a query interface to find all employees of all departments of all branches of the group. Display the id and name of the branch, the id and name of each branch department, and the id and name of each department person. Finally, the data structure of json displayed on the web page is ...

Posted on Tue, 05 May 2020 06:11:37 -0400 by Slip

Welcome to ZK etcd config

https://github.com/houyijun/zk-etcd-config Welcome to ZK etcd config ZK etcd config is a lightweight dynamic attribute configuration interface, which supports both etcd v3 and zookeeper middleware github address With ZK etcd config, you can flexibly switch between etcd or zookeeper as the dynamic attribute configuration middleware, and use ...

Posted on Mon, 04 May 2020 17:14:42 -0400 by Popple3

27. Gateway zuul Getting Started

Spring-based microservice nodes have no inferior or inferior capabilities, but they are divided into edge services and internal services in their roles.Internal services are nodes that expose services internally for invocation within the architecture; Edge services are service nodes that expose external networks, that is, external API interfac ...

Posted on Mon, 04 May 2020 12:52:16 -0400 by areid

Getting started with mybatis

Getting started with mybatis Creating tables and inserting data in mysql SET FOREIGN_KEY_CHECKS = 0; -- ---------------------------- -- Table structure for `users` -- ---------------------------- DROP TABLE IF EXISTS `users`; CREATE TABLE `users` ( `username` varchar(45) NOT NULL, `password` varchar(45) NOT NULL, `enabled` tinyin ...

Posted on Mon, 04 May 2020 07:39:37 -0400 by tony_l

Spring Boot and Kotlin integrate MyBatis

Recently, there are many jpa users, and it's not good to see how to write sql in the xml mode of mybatis. Interface definitions and mappings are scattered in different files, which makes it not very convenient to read. So use Spring Boot to integrate MyBatis and write sql in the annotation Reference resources My first Kotlin application Create ...

Posted on Mon, 04 May 2020 02:07:20 -0400 by cordoprod

Configuring Apache(httpd) with php

The main Apache configuration file is: / usr/local/apache2/conf/httpd.conf Configure httpd and php steps Httpd main configuration file / usr/local/apache2.4/conf/httpd.conf vim /usr/local/apache2.4/conf/httpd.conf / / modify the following four places ServerName Require all denied AddType application/x-httpd- ...

Posted on Sun, 03 May 2020 20:33:57 -0400 by madhavanrakesh

Configure anti-theft chain and access control

11 once a week (December 25) 11.25 configure anti-theft chain 11.26 access control Directory 11.27 access control FilesMatch extend Several methods of limiting ip http://ask.apelearn.com/question/6519 apache custom header http://ask.apelearn.com/question/830 apache's keepalive and keepalivetimeout http://ask ...

Posted on Sun, 03 May 2020 02:57:07 -0400 by schoenung

Quick installation and simple application of mycat under linux

Go to mycat website first: http://dl.mycat.io/ Download the corresponding version of MYCAT server. I use MYCAT server-1.6.5-release-20180122220033-linux.tar.gz here Upload to linux server. Unzip: tar-zxvf Mycat-server-1.6.5-release-20180122220033-linux.tar.gz will generate a MYCAT folder. Here is a simple demonstration of mycat's single da ...

Posted on Sun, 03 May 2020 02:41:52 -0400 by phprooky