Implementation of mac osx mosaic
Realization principle Reference resources The implementation of mosaic with variable position of iOS finger Implement mac osx version Image mosaic im...
JavaScript essence advanced OOP object oriented programming
Reprint please indicate the source Original connection http://blog.huanghanlian.com/article/5b698f22b8ea642ea9213f51 How do we simulate overloading? ...
Detailed Aspects Framework for iOS
We must ask ourselves such tasks: first, to learn, second to learn, and third to learn.- Lenin Today I watched a live Aspects sharing, so I want to wr...
[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...
python learning notes -- Liao Xuefeng (17, list generation)
The generated form used to create the list. To generate list [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], you can use list(range(1, 11)): note 11 >>> li...
Convert from BitArray to Byte
I have an eight BitArray , I need a function to convert it to a byte. How do you do it? Specifically, I need a correct ConvertToByte function: BitArr...
X264 application engineering
In the next few blogs, learn the implementation process of X264. The analysis of source code refers to Raytheon's blog, thank you Raytheon! Blog ...
H 3C simulator DHCP Snooping, relay instance configuration
1.DHCP instance configuration ## Configuration steps (configure on router) ### (1) # Configure the IP address of the interface. <H3C> system-vi...
024. Master Pod-Deployment MongoDB
1. Pre-preparation 1.1 Preconditions Cluster deployment: Kubernetes cluster deployment reference 003-019. glusterfs-Kubernetes Deployment: Refer to Gl...
SpringBoot configures HTTPS and implements automatic HTTPS access to HTTPS
nginx is recommended for configuring https No further replies will be given to any questions raised in this article. Here's why I wrote this art...
java instance understands the concept of blockchain
The core of blockchain is decentralized storage. Traditional database solutions, including relational database and non relational database, belong to...
Spring Boot 2.x Actual StateMachine
This article was first published on a personal website: Spring Boot 2.x Actual StateMachine Spring StateMachine is a state machine framework. In the S...
Using sentry in hyperf
sentry document: https://docs.sentry.io/ After being familiar with the exception catching mechanism of the hyperf architecture, I think sentry can be ...
I. Basic Introduction to scala
[TOC] I. overview of scala 1.1 INTRODUCTION Scala is a multi paradigm programming language. The original intention of its design is to integrate vari...
Use Preference in Androidx - to record an official document error
Use Preference the Androidx way cause Possibly because of targetApi=29, AS reminded me that some of the methods in PreferenceActivity had been abandon...
Comparison of java replication methods
1. Background In the actual programming process, we often encounter this situation: there is an object A, at A certain time A already contains some va...
Mybaits Source Parsing - The most detailed network, none: ResultSet automatically maps to entity class objects (last)
In the previous article, we sent SQL to the database and returned a ResultSet. Next, we automatically mapped the ResultSet to an entity class object.T...
Programming job 20191104082520 (branch and jump) to blog
1 Write a program to read the input, stop reading the #character, and report the number of spaces, line breaks, and all other characters read. #includ...
Front-end technology: how to execute methods in the UI after vuex state management action asynchronous call ends
1. Origin of the problem Recently, when working on the vue.js project, we encountered the problem of communication and interoperability between vuex s...
Hints for You have new mail in/var/spool/mail/root on Linux
1. Sometimes we operate under the root user and often prompt you after login: You have new mail in/var/spool/mail/root. This prompt is due to reminde...
js object-oriented design pattern inheritance
//Class inheritance // function Father(){ // this.fartherValue = true; // } // Father.prototype.getFartherValue = function () { // return this.farthe...
Centos Docker Configuration Overview
Coordinates a school in Nanjing. Campus Network Configuration Docker needs to configure a proxy server. From 2 p.m. to 19.38 p.m., make a note to mak...
Signal + slot test case for pyqt5
When writing code with pycharm, it was found that the signal set a slot for connection, but the test found that it did not work. In addition, without...
Forged form data part of form builder random vehicle license plate
A few days ago, I recorded the mongodb part of the form data storage structure of the form builder, and then I wanted to forge some data. Why forge da...
Are you still copying object properties with BeanUtils?
When doing business, in order to isolate changes, we will separate DO queried by DAO from DTO provided by front end. About 90% of the time, their stru...
Apache Web page and security optimization in Linux system
Apache Web page optimization Apache Web page optimization overview In an enterprise, only the default configuration parameters are used after Apache ...
DPDK user tool CPU layout.py
It is located in the directory usertools, which is used to display the structure layout of the CPU in the current system. First read the maximum numb...
Those js that are often used but are not easy to write in the background -- multiple box event
jquery implementation Import jquery file // Online introduction <script src="http://ajax.aspnetcdn.com/ajax/jquery/jquery-2.1.4.min.js" t...
Using local storage as timing cache
background When the page uses ajax to get the data, it will send a request to the server to get the data every time it visits, however Some data updat...
List content auto scroll up (native JS)
Effect display (mouse in, roll stop; mouse out, roll continue) Realization principle 1. html structure: the core is ul > Li, and the outer layer of...