Build an internal Ansible automated management platform from scratch - Chapter 1 (Api)

Build an internal Ansible automated management platform from scratch - Chapter 1 1. Background; With the rapid technological iteration of lower and middle-level enterprise technologies and the popularity of micro-service distributed architecture, it is difficult for traditional operation and maintenance systems to initialize systems, deploy e ...

Posted by s0me0ne on Sun, 05 Apr 2020 23:14:12 +0200

Recommend 4 MySQL tuning tools, which are used by Daniel!

Author: Lao Wang Tan operation and maintenancehttps://www.toutiao.com/a6691523026984370699/ What is the performance of mysql running? Is the parameter setting reasonable? Is there any hidden danger in the account setting? As the saying goes, if you want to be good at something, you must first make use of the device. Regular physical examinati ...

Posted by rachel2004 on Sun, 05 Apr 2020 11:34:14 +0200

k8s cluster deployment 3: master node component deployment

All of the following are executed on the master Get master node binary package Download binary packages and deploy components The binary package of the master node can be obtained from this website: kubernetes github wget https://dl.k8s.io/v1.9.0/kubernetes-server-linux-amd64.tar.gz Extract the Kube apiserver Kube Cont ...

Posted by TechXpert on Sun, 05 Apr 2020 01:34:59 +0200

Specify the number, sum, and minimum of arrays to get a set of random numbers

Specify the number, sum, and minimum of arrays to get a set of random numbers The original requirements are as follows: Given sum SUM(A), given minimum number M, given length S of sequence, and precision P of each number in sequence, It is required that each number in the sequence must meet the requirements of a > = m, accur ...

Posted by Kev on Sat, 04 Apr 2020 11:43:31 +0200

Step by step Android general framework (5)

At present, RecyclerView is used in more and more projects. In such a high-frequency use scenario, we should try to carry out secondary encapsulation, which will reduce our large amount of code. Demonstration: new anonymous internal method: rl_list.setAdapter(new BaseAdapter<String>(mContext, list, R ...

Posted by pyro3k on Sat, 04 Apr 2020 06:55:02 +0200

LeetCode 912. Sort array

My LeetCode: https://leetcode-cn.com/u/ituring/ My LeetCode source code [GitHub]: https://github.com/izhoujie/Algorithmcii LeetCode 912. Sort array subject Give you an array of integers, nums, in ascending order. Example 1: Input: nums = [5,2,3,1] Output: [1,2,3,5] Example 2: Input: nums = [5,1,1,2,0,0] Output: [0,0,1,1,2,5] Tips: 1 <= ...

Posted by ted_chou12 on Fri, 03 Apr 2020 15:07:07 +0200

Xamarin.Forms read and display Android and iOS address book - TerminalMACS client

This article updates the address synchronously: https://dotnet9.com/11520.html https://terminalmacs.com/861.html Read navigation: 1, Function description 2, Code implementation 3, Source code acquisition 4, References 5, Later plans 1, Function description Complete Mind Map: https://github.com/dotnet9/TerminalMACS/blob/master/docs/TerminalM ...

Posted by Aaron111 on Wed, 01 Apr 2020 18:48:23 +0200

java generates complex nested json

In the past, I didn't touch the complicated nested json data, but I returned some simple json data. Recently, I learned some knowledge about JSONObject and JSONArray. Transformation relationship between json object and array of json objects var jsonStr = "{\"userId\":\"001\"}"; // json object string var jsonArrySt ...

Posted by Modernvox on Wed, 01 Apr 2020 13:23:40 +0200

Gitee and Github simultaneously configure ssh key

1, Create ssh key of gitee and github cd ~/.ssh ssh-keygen -t rsa -C "xxxxx@xxxxx.com" Replace the correct mailbox, press enter Generating public/private rsa key pair. Enter file in which to save the key (/c/Users/FlyingHorse/.ssh/id_rsa): id_rsa.gitee Enter id_rsa.gitee when creating the ssh key of gitee and id_rsa.github when creating th ...

Posted by Bubbagump on Wed, 01 Apr 2020 07:38:47 +0200

Use Gsof.Native to dynamically call the C dynamic library

Use Gsof.Native to dynamically call the C dynamic library Background When using C ා to develop clients, we often call some standard dynamic libraries or C class libraries.Although the PInvoke method provided by C ා, due to the variety of scenarios used, sometimes it may not be possible to call at a fixed location, or to call different librarie ...

Posted by hagman on Wed, 01 Apr 2020 05:38:17 +0200