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docker builds a massive real-time log analysis system

Main technology Architecture diagram Detailed construction Server directory Create docker network Build start es Start ...
14:58 13 February 2020

Open source virtual machine Bochs installation and stepping on the pit

Because you want to write a simple operating system, you need to install a virtual machine to simulate the hardware. VMw...
4:26 11 February 2020

1python how to find all permutations of a string

Title Description: Design a program that requires all pe...
22:30 2 February 2020

Tian Xiaohua Speech Robot is based on Python and implemented through Baidu API voice control stm32 single-chip computer light system

All code for this project has been uploaded to CSDN. Overview of system functions and features: Hardware: 1. Run speech recognition on your computer ...
23:31 31 January 2020

Mysql multi instance configuration

Multi instance configuration of MySQL In a physical machine, multiple test environments are needed, so multiple instances of building database are nee...
14:54 31 January 2020

[Python 3 reptile] short comment on Douban's I'm not the God of Medicine

Tools: Python3+Pycharm+Chrome Modules used: (1) Requests: for simple data requests. (2) lxml: faster and stronger parsing library than BeautiSoup. (3)...
11:06 31 January 2020

[Python] Python game--Airplane battle

1. Preface Today is the fourth day of the lunar new year. The Spring Festival when we are comfortable lying down at home is over. We are also startin...
22:00 28 January 2020

Project 4 product purchase

1: Merchant background - commodity management [commodity list] (in the merchant background, display the commodity list information of the merchant) T...
4:35 19 January 2020

Spark.ml -- Naive Bayes

Preface Naive Bayes classifier is a classifier with low variance and high deviation. It assumes that there is conditional independence between each f...
10:05 16 January 2020

Teach Application Module 3 of Fishing-Operations and Maintenance Platform (Vmware Customization Specification Paper)

###A K8S-like orchestration function enables Vmware to be automatically scaled up and resilient (by triggering resilient expansion through monitoring...
20:32 15 January 2020

The third day of micro HR: SpringBoot integrates Freemarker

Let's talk about how SpringBoot integrates Freemarker: You need to check web and Freemarker when creating a springboot project After the project...
4:43 13 January 2020

Use SignalR to actively push alert logs from the server to various terminals (desktop, mobile, web)

WeChat public address: Dotnet9 Website: Dotnet9 , questions or suggestions: Please leave a message on the website, If it helps you: Welcome appreciat...
8:17 10 January 2020

api request function based on axios encapsulation

After vue resource is not recommended in vue 2.0, most people choose axios. axios can be used not only in vue, but also in angular and react. So lear...
3:08 3 January 2020

Angular4 learning (IV) Product component and Stars component linkage

1, The first Angular technology used 1. Template data binding is generated repeatedly according to the number of data *ngFor="let XXX of YYY&quo...
12:46 2 January 2020

GDB debugging Mysql source compilation and installation

Download source code git clone https://github.com/mysql/mysql-server.git cd mysql-server git checkout 5.7 Compilation and installation Installation de...
11:32 4 December 2019

fdisk and parted partition

There are two types of linux partitions I contact: one is using fdisk partition, and the other is parted partition. The former is for MBR mode partiti...
21:12 3 December 2019

Troubleshooting for abnormal downtime of nodes in Galera Cluster

background Before Group Replication was released, MySQL official replication had asynchronous and semi synchronous. At that time, most companies would...
20:42 3 December 2019

7 Laravel programming habits help you reduce bugs in your code

The article was forwarded from the professional Laravel developer community. Original link: https://learnku.com/laravel/t... Every line of code we ad...
12:21 3 December 2019

MLlib basic data type

MLlib uses vectors as its localized storage type, which are mainly composed of two types: sparse and dense Code: import org.apache.spark.mllib.linalg...
4:44 3 December 2019

Natural language processing: preprocessing of PTB data set

Reference books TensorFlow: a practical Google deep learning framework (version 2) First, assign a number to each word according to the word frequency...
23:16 2 December 2019

nginx deploy thinkphp and laravel

Recently, bloggers deployed a TP5 project they practiced under Centos+Nginx environment. Some problems were encountered in the process, but the probl...
16:16 2 December 2019

Scala: tuples, arrays, maps

Tuple: tuple, aggregation of values of different types.Combine a fixed number of items so that they can be passed as a whole. Unlike arrays or lists, ...
15:31 2 December 2019

Laravel uses JWT to implement API user authorization

Part I installation of JWT Step 1. Use Composer to install tymon / JWT auth:`composer require tymon/jwt-auth 1.0.0-rc.3 Step 2. Add a service provider...
13:30 2 December 2019

Some problems in Ubuntu 18.04 PostgreSQL 11 apt default installation

First, install the software by default (this article takes PostgreSQL 11.1 as an example, and other versions are similar). sudo apt install postgresql...
9:33 2 December 2019

Summary of Handlebars, a front-end template engine

I. escape of Handlebars template 1. template Escape, output HTML string when {}} is used When {{}}} is used, html is output without escaping (identif...
5:30 2 December 2019

update and updateByQuery methods for elasticsearch in PHP

When using ES, we often encounter the situation of updating data, Here is a brief introduction: First, the most common and efficient method is to upd...
5:19 2 December 2019

cv2 window resizable and scaleable

import cv2 videoCapture = cv2.VideoCapture('test.mp4') cv2.namedWindow('name', cv2.WINDOW_NORMAL | cv2.WINDOW_KEEPRATIO) while Tr...
3:54 2 December 2019

Mysql- high availability cluster [master-slave single mode -binlog]

Operation process: Install mysql service respectively in master and slave nodes Set common mysql configurations in master and slave nodes1. Add admin...
1:29 2 December 2019

[Angular] component communication in Angula6

Angula6? Component communication This paper mainly introduces component communication in Angular6 I. parent child component communication 1.1 parent c...
0:55 2 December 2019

[Express learning notes-1] quick start

I. Basic Concepts Express is a simple and flexible node.js Web application framework, which provides a series of powerful features to help you create ...
2:45 12 November 2019