Programmer Group

1, JSON overview JSON refers to JavaScript Object NotationJSON is a lightweight text data exchange formatJSON is language independent: JSON uses Javascript syntax to describe data objects, but JSON is still language and platform independent. The JSON parser and JSON library support many different programming languages. At present, many dynamic ...

preface Bayesian classifier is a probability model, which uses Bayesian formula to solve the classification problem. Assuming that the feature vector of the sample obeys a certain probability distribution, we can calculate the conditional probability that the feature vector belongs to each class. The classification result is the one with the l ...

Data types in Go language Foundation type Aggregation type reference type Interface type Foundation type number integer Signed integer -- int8 int16 int32 int64 int Unsigned integer -- uint8 uint16 uint32 uint64 uint The number of int uint bits depends on the compiler 32-bit or 64 bit byte type is the same as unit8 ty ...

On the day of the bright moon, I don't know if you miss anyone preface I've actually written it before Spring boot sends mail asynchronously However, today, when I need to send e-mail in a small project, I suddenly feel that there is only one sender of e-mail, and it is very inappropriate to write it in the yml file, so I think about how to ...

Quoted from: https://www.cnblogs.com/chenyucong/p/6264739.html , for reference only. Recently, I made a software to execute tasks regularly. When executing a task, log4net will be used to record the log. If there are exceptions in the execution of the task, an email will be sent to the specified object. What I do is to perform a task at 9:00 a ...

1. Stack Simple calculator, C + + code is as follows: #include<cstdio> #include<iostream> #include<string> #include<stack> #include<queue> #include<map> using namespace std; struct node { bool flag; double num; char op; }; stack<node>s; map<char,int>op; string str; queue<node>q; void Cha ...

1, Statements about Javascript preface: Our js code is executed sequentially (from top to bottom)Logical branching is to decide whether to execute some code according to the conditions we set 1. Program statement: Program = statement + data structure + algorithm 2. Conditional statements: Definition: determines which statements need to be ...

Zero, example First, give a complete demo of deployment + HPA + poddisruption budget, and then introduce each part in detail: apiVersion: apps/v1 kind: Deployment metadata: name: my-app-v3 namespace: prod labels: app: my-app spec: replicas: 3 strategy: type: RollingUpdate rollingUpdate: maxSurge: 10% # When rolling ...

preface Recently, a video of Python automated office was suddenly popular on Xiaopo station. The address is as follows: 5 minutes, I'll teach you to make an automation software to work, brush copies and return to wechat. The source code is open and can be used out of the box But although the source code is open, it is not completely out of ...

Official Python column article 36, students stop, don't miss this article starting from 0! Previously, I wrote other functions such as file reading and file processing, which used the os library. Originally, I wanted to share the os library. I found that this library may be difficult for beginners, so I'll talk about it later at an appropri ...