Programmer Think

In the last article( Java Mail Development (2): Send an email with graphics and text and attachments using JMail (below) ) In JavaMail, we learned how to send a complex email. There are two remaining problems: 1. The appendix name can only be in English and Chinese. 2. The display of friendly names. When we use 163 mailboxes to se ...

Python's coding problem is basically every novice will encounter the barrier, but as long as you fully grasp it, you can jump over the pit, never change from one of them, this is not the latest I have encountered this problem, let's take a look at it. The reason for this is an upload function done by review colleagues. Look at the followin ...

Assembly is more significant in LINUX system than in WINDOWS system. The code of LINUX kernel is compiled in assembly. Then, most Linux programmers have only been exposed to assembly language under DOS/Windows before, and these assembly codes are all Intel-style. But in Unix and Linux systems, AT&T format is more used. There are great diff ...

This is an early version of this article designed to help developers who have a basic understanding of the Ethereum Block Chain Platform if they want to learn how to program the Ethereum Platform using the Nethereum.NET library. I'll add more in this article later, but for now, I'm using it to publish a series of C# examples of.NET 10+, describ ...

Find the first character in a string that appears only once Input Description: Enter a non-empty string Output description: Output the first character that appears only once, if output-1 does not exist Example 1 input asdfasdfo output o In general, this kind of problem is solved by hashmap, and the whole ...

Below is a brief introduction of Xiaobian's latest project, involving the realization and debugging of serial communication. Principle of Serial Communication Serial communication refers to sending and receiving bytes by bit. Although it is slower than byte parallel communication, the serial port can receive data with another line while sen ...

# Direction of variables a = "abc" b = a a = "def" print(a) print(b) def abc print(10/3) # The result is a decimal print(10//3) #The result is an integer print(10%3) # Remainder 3.3333333333333335 3 1 #Summary #Python supports a variety of data types. Within a computer, any data can be viewed as an object, and variables are used in prog ...

Python A standard module library is attached and described in a separate document Python library reference (hereinafter referred to as "library reference"). Some modules are built into interpreters; they provide access to operations that are not part of the language core but are still built in to improve efficiency or provide access t ...