Programming VIP

1, Introduction Dealing with the boundary of components: knowledge points about componentsRapid prototyping provided in Vue cli: it is convenient for us to develop components and run single file components separatelyComponent development: step bar, form componentThe best way to develop components Storybook: isolate the development componen ...

Chapter IV basis of pandas statistical analysis 4.1 read / write data from different data sources 4.1.1 read / write database data 1. Database data reading from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker engine = create_engine("mysql+pymysql://root:123456@127.0.0.1/testdb?charset=utf8mb4") session = sessionmake ...

Introduction To verify the PXE function of the network card, you need to build a PXE server. PXE is that the network card starts from the server and then downloads the system image to realize remote system startup or system installation locally. PXE Server components DHCP Server Assign the network IP address to the PXE network card and p ...

Classification of film reviews using naive Bayes 1. Data set explanation: The data set is a subset of IMDB movie data set, which has been divided into test set and training set. The training set includes 25000 movie reviews, and there are 25000 test sets. The data set has been preprocessed to convert the specific word sequence of each rev ...

Let's start with an example: With grammar: E -> TE' E'->+E|ε T->FT' T'->T|ε F->PF' F'->F'|ε P->(E)|a|b|^ On the solution of First,Follow set and prediction analysis table First of all, I read books and online materials. At first glance, I couldn't understand them. Next, let me share them in vernacular First and Fol ...

Basic instruction of vue - 1 v-for The v-for instruction renders a list based on an array, which is similar to the traversal syntax of JavaScript v-for="item in list" list is an array, and item is the array element currently traversed v-for="(item,index) in list" where index is the index of the current cycle, and the subscript start ...

This paper is a collection of notes after learning the basic sorting algorithm, which is not entirely original. Personal learning ability is limited. The pictures are made by myself. There may be errors in words and pictures. If found, I hope to point out. Since some leaders have conducted in-depth analysis of various algorithms, this blog is o ...

Cross domain interpretation What is cross domain When any of the protocol, domain name and port of a request url is different from the url of the current page, it is cross domain Why do cross domain problems occur Homology policy is an important security policy, which is used to restrict how an origin document or its loaded script can i ...

Architecture diagram Install Redis service wget http://download.redis.io/releases/redis-2.8.6.tar.gz tar -xvf redis-2.8.6.tar.gz cd redis-2.8.6 make mkdir /usr/local/redis/etc cp redis.conf /usr/local/redis/etc/ ps: make error resolvent: Execute the command make MALLOC=libc Modify the profile to start the service vim /usr/local/re ...

Deploy a complete set of enterprise K8s clusters 1, Prepare the environment Server requirements: • recommended minimum hardware configuration: 4-core CPU, 4G memory, 50G hard disk • it is better for the server to access the external network. There will be a need to pull the image from the Internet. If the server cannot access the ...