Programmer Think

Through the deployment of elastic search (three nodes) + filebeat+kibana quick start EFK, and build the available demo environment test effect Author: "the wolf of hair", welcome to reprint and contribute Catalog Application Experiment architecture ▪ EFK software installation ▪ elastics ...

These days, the company needs to do text classification, read some articles, various machine learning, neural network, do not understand. I have done a simple text classification function with the combination of stuttering and segmentation, which is OK in general. Operation result: It's written by mysel ...

1. General query 1 SELECT the column field to be displayed FROM table name [WHERE condition]; Two cases: select userid, username from userinfo where user age < 30; 3. Query all fields: SELECT * FROM table name; 2. order by asc | desc 1 SELECT * FROM userinfo ORDER BY userage ASC; //Ascending order 2 SELECT * FROM useri ...

1. First, we set the Dialog layout file, Download Dialog.xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="16dp"> <TextV ...

Catalog 1. Use scenario 2. Principle of multi thread Download 3. How to download the request in sections 3.1. How to segment the requested data. 3.2. How to assemble the data downloaded in sections into a complete data file. 4. Key code implementation 3. Achievements 4, summary 5. Reference ...

Preface In response to the needs of agile development, a higher standard is proposed for ci (continuous integration) / CD (continuous delivery). Today, we will discuss how to use CI/CD based on open source components (gitlab/jenkins/harbor/kubernetes) to enable the development, operation and maintenance of the team. Core components Basic proce ...

|--Requirement description   |--Realization ideas 1. According to the inheritance logic, it is determined that all mobile phones have a mobile phone parent class, which is defined as an abstract class, in which two abstract methods are defined to realize calling and sending information. 2. According to the logic of.... has....a.. Interfac ...

Requirement description 1. It is necessary to configure static routes on three routers to realize interworking between network segments.2. To realize the whole network interworking, it must be clear that the following two problem packets are forwarded or discarded by the router, which depends on whether the entry corresponding to the destinati ...

Environmental Science Deployment and construction 192.168.255.250 [root@vt-manager 3010]# grep -vE "^#|^$" redis.conf bind 192.168.255.250 ##Be sure to write the local ip and use this ip to set up the cluster. port 3010 daemonize yes #Daemons mode (background start) pidfile /etc/redis-cluster/3010/redis_3010.pid #pid file logfile "/etc/re ...

Source: https://blog.csdn.net/Powerful_Fy What is reverse proxy? 1. Two servers A and B belong to the same internal network segment, but A is not connected to the external network, B is connected to the external network, and client C has only the external network. 2. If C wants to access A through B, it needs to do reverse proxy on server B. 3. ...