Tag：channel
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Time：2020-2-17
Introduction: when the number of users of the product keeps doubling, the demand will force you to optimize the HTTP protocol. So, in order to optimize HTTP performance to the limit, which dimensions should we start from? In this paper, TVP Tao Hui will share four new dimensions for you. “TVP” column, condense the thinking […]
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Time：2020-1-25
Connection pool Open SMF / connection pool is a general connection pool based on swoole, which is often used as a database connection pool. rely on rely on Edition PHP >=7.0.0 Swoole >=4.2.9 Recommend 4.2.13+ install Install through composer. composer require “open-smf/connection-pool:~1.0” Use More examples. Available connectors Connector Explain CoroutineMySQLConnector Swoole\Coroutine\MySQLExample CoroutinePostgreSQLConnector Swoole\Coroutine\PostgreSQLInstances of, compilingSwooleParameters […]
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Time：2020-1-11
Preface Recently, go is used to develop back-end services. When a service is shut down, it needs to ensure that all data in the channel is read. The reason is simple. After receiving the system’s interrupt signal, the system needs to finish the work to ensure that all data in the channel must be processed […]
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Time：2020-1-1
There is a concept in the go language called goroutine, which is similar to the familiar thread, but lighter.In the following program, we execute the loop function twice serially: package main import “fmt” func main() { loop() loop() } func loop() { for i := 0; i < 10; i++ { fmt.Printf(“%d “, i) } […]
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Time：2019-12-27
Demand:First, let’s take a list of system validation: (a channel system, B business system, C system of external manufacturers)(1) B business system calls channel a system to verify whether the three elements of incoming mobile phone, ID card and name are consistent.(2) A channel system calls external manufacturer C system.(3) Channel a system returns the […]
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Time：2019-12-1
Host level scanning: ╰─ nmap -p1-65535 -sV -A 10.10.202.135Starting Nmap 7.70 ( https://nmap.org ) at 2019-08-09 14:58 CSTNmap scan report for 10.10.202.135Host is up (0.0012s latency).Not shown: 65516 closed portsPORT STATE SERVICE VERSION21/tcp open ftp vsftpd 2.0.8 or later| ftp-anon: Anonymous FTP login allowed (FTP code 230)| -rw-r–r– 1 ftp ftp 112640 Dec 28 2018 […]
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Time：2019-10-21
Today’s story starts with ABAP games. ABAP practitioners in China have more or less collected some ABAP games, such as the following. Kill the stars: Mine clearance: From my friend Liu Meng, public account“SAP dry goods shop“Tetris in: Draw with ABAP: As well as the table tennis game developed with ABAP channel technology, which will […]
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Time：2019-10-20
Before I knew that the go team only used more than 700 lines of code to implement the channel, a big killer of inter process communication, so I went to the film to read it, but after the replay, I always felt that it was a little bit winding until I was lucky to find […]
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Time：2019-10-18
Preface Less than half a year after I first met the go language, I met the language by chance, saw its concise grammar style and powerful language characteristics, and became interested in learning it in an instant. Recently, I studied go, but I had no project practice, so I forced myself: if I think of […]
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Time：2019-10-14
1. What is multi-channel packaging?There may be different statistical needs in different application markets. You need to publish an installation package for each application market. This leads to Android’s multi-channel packaging. In order to distinguish different channels, different labels are added to the installation package to facilitate the statistics of apps in the market. 2. […]
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Time：2019-10-9
Android Gradle Multi-Channel Construction Basic Principles of Multi-channel Construction In Android Gradle, a concept called Build Variant is defined. Build Variant = Build TYpe + Product Flavor, Build Type is the type we build, such as release and debug; Product Flavor is the channel we build, such as Baidu, Google, etc. They add up to […]
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Time：2019-9-21
Preface For loops are the only looping structure in the Go language. Recently, an application based on RabbitMQ has been developed. Because the official QoS has no golang version, there is a problem. The problem code is as follows: _, ch, err := component.NewRabbitMQ() if err != nil { panic(err) } if err := ch.Qos(10, […]
