Java Socket: Network Socket for Pigeon Biography

In ancient times, due to the inconvenience of communication, some smart people made use of the advantages of pigeons flying faster and recognizing directions to domesticate them for the transmission of messages - also known as "pigeon biography".In Java, a network Socket plays the same role. A Socket is an abstraction layer through ...

Posted on Mon, 19 Aug 2019 18:42:11 -0700 by CrazeD

LVM, Network Protocol and Management

1. Create Logical Volume Create physical volume pvcreate /dev/sd{b1,c} Create Volume Group Name vgcreate vg0 /dev/sd{b1,c} -s 4G Create Logical Volume lvcreate -n mysql -L 8G vg0 Create File System mkfs.xfs /dev/vg0/mysql mount mount /dev/vg0/mysql /mnt/mysql/ Extended File System lvextend -l +1534 /dev/vg0/mysql Synchronize XFS File Syst ...

Posted on Sat, 17 Aug 2019 11:11:16 -0700 by deepermethod

Provinces of WPF Inquiry Telephone

Author: Sun Yingpeng Writing Time: 17 August 2019 Today I'm going to talk about the boring thing that happened to me when I was working on a project. That is to enter the telephone number and then show the province where the telephone number belong ...

Posted on Sat, 17 Aug 2019 00:37:31 -0700 by unidox

LEETCODE (21-30) OF JS ALGORITHM PROBLEMS

Topics come from leetcode Merge two ordered lists Topic Description Merge the two ordered lists into a new ordered list and return. The new linked list is composed of all the nodes of a given two linked list. Example Input: 1 - > 2 - > 4, 1 - > 3 - > 4 Output: 1 - > 1 - > 2 - > 3 - > 4 - > 4 Answer This problem is no ...

Posted on Sat, 17 Aug 2019 00:29:21 -0700 by vboctor

MySQL Database Advanced-Stored Procedures

Links to the original text: https://blog.51cto.com/9291927/2094915 Advanced MySQL Database (4) - Stored Procedures This article is reproduced from: https://blog.51cto.com/9291927/2094915 Introduction to Stored Procedu ...

Posted on Fri, 16 Aug 2019 06:35:31 -0700 by duankr

Introduction of Nodejs Core Module

github article link: https://github.com/Vibing/blo... Learning nodejs requires mastering its core, just as learning JavaScript requires mastering functions, objects, data types, BOM, DOM, etc. Noejs has many cores. Here we introduce several cores: Events module, fs module, stream usage, http module. Events Events-driven, non-blocking, asynchron ...

Posted on Fri, 16 Aug 2019 01:12:25 -0700 by BLINDGUY

IPVS-supported protocols

The IPVS protocol initialization function ip_vs_protocol_init is completed by the function register_ip_vs_protocol. At present, there are five registered protocol architectures: ip_vs_protocol_tcp/ip_vs_protocol_udp/ip_vs_protocol_sctp/ip_vs_protocol ...

Posted on Thu, 15 Aug 2019 07:32:18 -0700 by lanmonkey

JavaScript Data Structure--Implementation of Diagram

In computer science, a graph is an abstract model of a network structure composed of a set of vertices connected by edges.A graph G = (V, E) consists of the following elements: V: A set of vertices E: A set of edges that connect the vertices in V The following diagram shows the structure of a graph: Before describing how to implement di ...

Posted on Wed, 14 Aug 2019 22:02:42 -0700 by RobNewYork

Android encapsulates Retrofit2+OkHttp3+RxJava network requests

Now, Retrofit+RxJava+OkHttp is the most popular option in Android market. It is powerful and easy to use, so this solution is chosen to transform the network library. Introduction: Retrofit: Retrofit is a framework developed by Square Corporation that is requesting Android networks.The underlying implementation is based on OkHttp, which has bee ...

Posted on Wed, 14 Aug 2019 19:09:25 -0700 by AncientSage

Viewing Linux System Resources--Learning Notes

Catalog 1. vmstat command Virtual Meomory Statistics 2. dmesg command III. free Order IV. Viewing CPU Information V. uptime 6. Viewing System and Kernel Related Information List file information that process calls or opens 1. vmstat comm ...

Posted on Wed, 14 Aug 2019 03:01:36 -0700 by pixelsoul