transfer encoding base64

Python uses the base64 module for binary data encoding. Preface Yesterday, my team asked me about the POP3 protocol. So today I have studied the POP3 protocol format and the poplib in Python. Some of the data transmitted back by the POP server needs

Base64 Module Preface Yesterday the team's sister came to ask questions about the POP3 protocol, so today a little bit about the format of the POP3 protocol and the poplib in Python. And the POP server back to the data in a part of the need to use

Base64 encoding and decoding for node. js learning, and node. jsbase64 Encoding I. Base64 encoding Origin Why is Base64 encoded? Because some network transmission channels do not support all bytes, for example, traditional mail only supports

Base64 encoding. First, we should clarify why there is a 64 character in it? In fact, because the encoding uses 64 plain text to encode arbitrary binary files, it only uses the A-Z, A-Z, 0-9, +,/This 64 characters, some people who have "a little

Tian haili @ csdn 2012-07-31   The mime (multipurposeinternet Mail Extensions) is used when an email is uploaded or transmitted over the network ). Mail transmission can only deliver US-ASCII characters, and other characters in the mail must be

I bet when you see the word base64, you will think where you have seen it, because you can see this article online. Article You have already used it in the background. If you know something about the binary number, you can start to read it.

I. ORIGIN of BASE64 coding Why would there be Base64 code? Because some network transport channels do not support all bytes, for example, traditional messages only support the transfer of visible characters, such as ASCII code control characters

What is base64? According to rfc2045, base64 is defined as base64 content Transfer Encoding. It is designed to describe the 8-bit bytes of any sequence as a form that is not easily recognized by people. (The base64 content-transfer-encoding is

: This article mainly introduces how base64 works and uses PHP to implement it. if you are interested in the PHP Tutorial, refer to it. Developers must be familiar with Base64 encoding, and it is not necessary to have a clear understanding of it.

PackageCom.education.util;ImportSun.misc.BASE64Decoder;ImportSun.misc.BASE64Encoder;ImportJava.io.*;/*** Created by Jn-dinggao on 2016/2/4.*/ Public classBase64util {//Converts a picture file into a byte array string and Base64 it for encoding