Programmer Think

This example uses the python 2.7 environment, and python 3 should operate similarly. Two packages, smtplib and email, are required. Send text type mail Here's an example of sending text messages (using SMTP from NetEase 163): # -*- coding: UTF-8 -*- import smtplib from email.mime.text import MIMEText from email.header import Header from email. ...

A pit about the client (consumer) opening the automatic response and restarting the "lost unprocessed messages". (Mainly lack of understanding of RabbitMQ) First of all, to state that the so-called "lost message" in this article does not refer to the loss of message in memory due to server downtime, restart and other reasons ...

What is generics? The most effective way to understand a technical point is to first look at the official document explanation, OK, the generic definition given by the official website:Generics are a new feature of Java SE 1.5. The essence of generics is parameterized type, that is to say, the data type being operated on is sp ...

Previously, we used to integrate sentinel dependencies directly, configure rules by encoding, and so on. Ali already has an open source framework spring-cloud-alibaba for integration into Spring Cloud, which is used to successfully integrate a series of frameworks into Spring Cloud. My version of Spring Cloud is Finchley.SR2, and Spring Boot is ...

Suddenly, I want to realize the sliding menu control in RecyclerView by myself. I've read several articles about the gods, including those from ViewGroup, RecyclerView, etc....................... But they don't quite meet my expectations. I hope it's a simple old project that can be used quickly. So after reading a few articles ...

These days, my friends say they want to read e-books, but they can only read them on the Internet, but they can't download them to the local area. What can I do? I looked at several novel websites. You can only read them directly on the Internet. To download txt, you have to buy members for money, and you can't copy and paste them directly on t ...

Source of the article: https://blog.csdn.net/cx1110162/article/details/78647164?locationNum=2&fps=1 I. Use scenarios If the project is a micro-service architecture, the probability of using this plug-in is relatively high. Normally, ordinary projects do not need such an implementation. If a part of the common functionality ...

Explain A previous translation of a tutorial (without backing up the original address, the ladder was sealed). Add the original address after finding it text Using the default recorder saves time, but if you decide to adjust the recorder, you need to explore ways to customize the recorder Using zap configuration structure to create recorders Yo ...

1. Description of the scene I don't know if you've ever encountered a situation where the previous project was GBK and now you need to replace it all with UTF-8. I've encountered it anyway. eclipse can change the encoding format of the project, but if the file is converted directly, the Chinese language inside will be completely scrambled. Yo ...

Xiaocai recently learned about ViewPager's animation, which I am ashamed to say has not been carefully understood for so long. Today, I intentionally learn about Android's basic animation. Android's basic animations include alpha (transparency) / scale (zooming) / translate (displacement) / rotate (rotation). Learn about scale gradient zooming ...