Asp.Net upload images and generate high-definition thumbnails

In asp.net, the function of uploading pictures or commonly used, generating thumbnails is also commonly used. There are many ways to use baidu or google, c ා, but when I use it, I find that the thumbnail is not clear, the thumbnail picture is too large, and so on. Here is the code I'm dealing with on the picture. The effect is good, so I'll sha ...

Posted by dxdolar on Fri, 10 Jan 2020 00:58:27 -0800

The differences between Python's assignment, slicing, shallow copy and deep copy

Preface As a high-level language, Python is quite different from C/C + +. As for assignment, slice, shallow copy and deep copy, many people don't know them very well, which makes it easy to have unexpected results in some codes, and it's also hard to find the reasons. This article will talk about the difference and use of these kinds of situati ...

Posted by amargharat on Fri, 10 Jan 2020 00:53:21 -0800

Programmers use Python to pick out UP owners who are "amazed by nature" in Station B!

​ Preface   ! Recently, the New Year's Eve in Station B has swept over all video websites with its unique ideas, which has had a great positive impact on the company. Stock prices have also risen sharply. We must all regret not buying stocks in Station B earlier: ​ Today, however, we are not talking about the New Year's Party in Station B, but ...

Posted by genericnumber1 on Thu, 09 Jan 2020 22:12:42 -0800

Algorithmic Fibonacci Number-Reverse String

00509 Fibonacci Number Title Description The number of Fibonacci, usually expressed in F(n), forms a sequence called the Fibonacci series.The column starts with 0 and 1, and each subsequent number is the sum of the first two numbers.That is: F(0) = 0,   F(1) = 1 F(N) = F(N - 1) + F(N - 2), among N > 1. Given N, calculate F(N). Example 1: ...

Posted by Arnold_26 on Thu, 09 Jan 2020 16:00:56 -0800

Talk about carrera's rocket MQ procedure offset fetcher

order This paper mainly studies carrera's rocket MQ procedure offset fetcher RocketMQProduceOffsetFetcher DDMQ/carrera-monitor/src/main/java/com/xiaojukeji/carrera/monitor/lag/offset/RocketMQProduceOffsetFetcher.java public class RocketMQProduceOffsetFetcher { private static final Logger LOGGER = LoggerFactory.getLogger(RocketMQProduceOffse ...

Posted by pit on Thu, 09 Jan 2020 11:38:51 -0800

Using Notification in Android to display notifications on the status bar

scene Show notification effect on status bar     Note: Blog: https://blog.csdn.net/badao_liumang_qizhiPay attention to the public address Domineering procedural ape Get programming related ebooks, tutorials and free downloads. Realization Create a new NotificationActivity and get the notification manager through the getSystemService method. T ...

Posted by tested_123 on Thu, 09 Jan 2020 10:47:41 -0800

Group control of several common window functions in Hive

brief introduction Of course, there is nothing to say about regular window functions. It's very simple. Here's an introduction to grouping, focusing on the usage of rows between after grouping and sorting. The key is to understand the meaning of keywords in rows between: Keyword Meaning preceding Forward following In the future current ...

Posted by skyxmen on Thu, 09 Jan 2020 07:26:16 -0800

word multiple document substitutions

Replace the contents of all documents in the folder. Documents that need to be replaced cannot be opened. Use macro to replace them in batches. The test is word2016 Adapted from the author of the short book https://www.jianshu.com/p/9d348b8015b6? UTM ﹣ campaign = maleskin & UTM ﹣ content = note & UTM ﹣ medium = SEO ﹣ notes & UTM ...

Posted by escabiz on Thu, 09 Jan 2020 06:08:34 -0800

STM32H7 CAN1 and CAN2 simultaneous use configuration instructions

STM32H7 is a relatively new MCU. Many routines only give an example of a can port. There is no clear explanation for using two can ports at the same time. This paper mainly aims at the simultaneous use of CAN1 CAN2 for a teaching. 1. The configuration of CAN port is divided into the following points: 1. Baud rate configuration, not to elabora ...

Posted by lewisstevens1 on Thu, 09 Jan 2020 05:29:08 -0800

fmt.Printf of Golang Foundation

background When printing in go language, we often see different printing methods, such as println, fmt.Println and fmt.Printf Differences and usage Source code of fmt.Println // Println formats using the default formats for its operands and writes to standard output. // Spaces are always added between operands and a newline is appended. ...

Posted by Byron on Wed, 08 Jan 2020 07:18:43 -0800