Programmer Think

1. Introduction Definition OpenVPN is a software package for creating virtual private network encryption channels, originally written by James Yonan.OpenVPN allows created VPNs to authenticate using public keys, electronic certificates, or user names/passwords. It makes extensive use of the SSLv3/TLSv1 protocol function library in the Ope ...

The data stored in etcd is divided into flanned network data and k8s container data.      1. Directly backup the data directory of etcd (generally used for single node) The data of etcd will be stored in our command working directory by default. We find that the directory where the data is located will be divided into two folders: snap: store ...

1. NIO completes network programming 1.1 Selector boss Selector Selector, network programming using NIO's big brother!!! The server can execute a thread, run the Selector program, and listen. New connection, connected, read data, write data Common methods of Selector: public static Selector Ope ...

a. WeChat official account 1. It is divided into service number, subscription number, applet and enterprise wechat; 2. when users send messages to WeChat official account, they send the message to WeChat server. The administrator of the official account saves the specified rules on the management pl ...

Previous tutorial Main contents of this issue 1, Perfect what you didn't notice before. Set the mouse movement event before, and forget to modify the mouse click event Add the code in the original place 2, Understand the configuration file of this model file and configure it according to your own need ...

Deploy centos7 container applications Mirror download: [root@yixuan ~]# docker pull daocloud.io/library/centos:7 systemd Integration: Because SYSTEMd requires CAPSYSADMIN permission, which gives it the ability to read to the host cgroup, SYSTEMd has been replaced with fakesystemd in CentOS7.However, ...

1. What is string built-in function As long as a string is created, built-in functions (some functions prepared by the system) can be called by default. 2. Case related The main functions are capitalization(), title(), upper(), lower(), etc. capitalize(): capitalize the first letter of the string ...

The data set we use is the movie review data set imdb provided by testnflow2 When loading data sets for the first time, it may be necessary to download data from the Internet, which is relatively slow. I put it on the network disk, and the download link is https://pan.baidu.com/s/1tq kw3tldmwn-cmtcb ...

Article directory statement Preface 1, Convolutional neural network 1.1 import library 1.2 boundary filling 1.3 single step convolution 1.4 forward propagation of convolution layer 1.5 forward propagation of pool layer 1.6 back propagation of convolution layer 1.6.1 calculation of dA 1.6.2 calculat ...

The first two articles sorted out the creation mode and structure mode in the three categories of design mode respectively: Design pattern Overview - creation pattern  Design pattern Overview - structural pattern Today, let's take a look at the last part, behavioral model. First of all, what is b ...