Programmer Think

1, Deploying kubernetes with kubedm kubernetes node architecture diagram: kubernetes component architecture diagram: 1. Prepare the basic environment We will use kubeadm to deploy the Kubernetes Cluster with three nodes. The node information is as follows: host name IP address role OS assembly Minimum configuration master 192.1 ...

1, Overview of wavelet threshold denoising The noise of power quality disturbance signal mostly exists in the form of Gaussian white noise. Wavelet transform is used for multi-resolution decomposition of the signal. Because wavelet transform has the characteristics of removing data correlation, it can separate the energy of useful signal and n ...

JVM learning This article is based on JVM [produced by dark horse programmer] Notes made during instructional video learning 1, What is a JVM definition Java Virtual Machine, the running environment of JAVA program (the running environment of JAVA binary bytecode) benefit Write once and run everywhereAutomatic memory management, garbage c ...

1, Introduction to speech processing (with course assignment report) 1 Characteristics of voice signal Through the observation and analysis of a large number of voice signals, it is found that voice signals mainly have the following two characteristics: ① In the frequency domain, the spectral components of speech signals are mainly concentrate ...

Crazy God said spring cloud learning notes - KuangStudy - article 1.1 learning premise Proficient in using SpringBoot microservice rapid development frameworkLearned about Dubbo + Zookeeper distributed Foundation The configured memory of the computer is no less than 8g (my own is 16G) Let's see the memory overhead diagram of multiple serv ...

The core of double pointer: transfer the information expressed by the previous state pointer to the next state, so as to reduce unnecessary search Template: while(i < n && j < m){     if(checked(i, j)) i ++;     j ++; } Topic 1: Given a sequence of integers a1,a2,..., an with a length of nn and a sequence of integers b1 ...

https://codeforces.com/contest/1637 A Select a length len, sort the number of the first len and the number of the next len respectively, and ask whether the array can always be arranged well Obviously, only the array has been ordered before #include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ios::syn ...

signal Introduction to signal and interrupt flow Signal refers to software interrupt signal, referred to as soft interrupt for short Interrupt source (interrupt signal generation position): Terminal device driver The interrupt signals ctrl+c, ctrl+z, ctrl generated by pressing the key on the terminal equipment+\Hardware excepti ...

Qos (Quality of Service) concept: When the network is congested, all data streams may be discarded; In order to meet the requirements of users for different applications and different service quality, the network needs to be able to allocate and schedule resources according to the requirements of users, and provide different service quality ...

Address: Force bucklehttps://leetcode-cn.com/problems/score-after-flipping-matrix/ Title: There is A two-dimensional matrix ， A, where the value of each element is ， 0 ， or ， 1. Move refers to selecting any row or column and converting each value in the row or column: change all 0 to 1 and all 1 to 0. After making any number of moves, ...