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