Programmer Think

Concurrent programming Two methods of subprocess recycling join() allows the main process to wait for the end of the subprocess and reclaim the subprocess resources. The main process then ends and reclaims the resources from multiprocessing import Process import time def task(name): print(f'Child process{name}: starting......') time ...

In the Trafodion database, when we set a field type as character type (such as CHAR or VARCHAR), the character encoding will be subject to the default character encoding of the database. For example, in the following example, create a table with a character type field, and you can see that the encoding method of this field is ISO88591 through t ...

TCP is a protocol based on streaming. Request data is not bounded in its transmission, so when we read a request, we may not get a complete packet.If a packet is large, it may be sliced into multiple packets for multiple transmissions.At the same time, if there are multiple small packages, they may be integrated into one large package for tran ...

thinkphp about phpmailer's mailbox verification First, Log in to your email, for example: qq email. Log in qq email to open the smtp service in account settings: 　　   Then send back an authorization code, which will be saved first and used later.   Two. Download phpmailer using composer Open your tp framework path in cmd and enter composer re ...

First, the official website: http://www.rabbitmq.com/ Then. NET Client link: http://www.rabbitmq.com/dotnet.html GitHub warehouse: https://github.com/rabbitmq/rabbitmq-dotnet-client Next, I will go directly to the text. There are two themes: how to write for consumers? How to write for producers? Consumer In dotnet core mvc, consumers must not ...

I'm sure you've met the effect of galleries in projects. There are many ways on the Internet, such as viewPager, recyclerview and so on. Today, we recommend a three-party Gallery layoutmanager, which is easy to realize quickly and solve the urgent problem. rely on gradle dependence compile 'github.hellocsl:GalleryLayoutManager:1.0.6' Realiza ...

Go language has a strong momentum of development, but there are also many disadvantages. Fortunately, there are many fans who provide numerous libraries, which show their advantages too well. They can use whatever they do, basically ignore the pointer, and the performance is good. Recently, there is a problem in using Chinese under windows. Th ...

First, add the following dependency to the pom file (if not the Maven project, just import the jar package into the project) <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.23</version> </dependency> 1. Create a word document with ...

paramiko Paramiko is a module for remote control that allows command or file operations on remote servers. It is worth noting that remote management within fabric s and ansible is achieved using paramiko. install pip install paramiko Module usage Execute Command - User Name + Password #!/usr/bin/env python #coding:utf-8 import paramiko # Cre ...

Written in front As children's shoes that often use computers to organize files, they should have used to upload and download files from the ftp server. Today, we will learn how to operate files of ftp service through java programs First of all, you should know the ip, path, port, account and password with operation permission of ftp 1 import ...