Revise day 1 C circle

Today, a big guy told me that I don't have a solid foundation of algorithmic knowledge, even c language can't even know a little bit. I can't learn fast and forget faster, and I can't just learn for competition. So I decided to review the basic knowledge of c language and algorithm and data structure, n ...

Posted on Mon, 17 Feb 2020 05:34:29 -0500 by Xo_

Data structure - scan line

Fundamentals of scanline algorithm Scan line just finished, summarize and consolidate. If there is something wrong, please point out in time.1. knowledge points First of all, to learn scan lines, we need to have some knowledge of line tree and discretization2. role It can help us to solve some problem ...

Posted on Mon, 17 Feb 2020 05:30:33 -0500 by vasse

Front end analog terminal: text display and automatic line feed

                         .                    . But pre will not wrap automatically ...

Posted on Mon, 17 Feb 2020 04:52:59 -0500 by djanim8

FreeRTOSConfig.h analysis of FreeRTOS texts

Write before: The purpose of this article is to summarize the backup and facilitate future query. As it is a personal summary, if there is any mistake, please correct it. In addition, most of the content comes from the network, books, and various manuals. If there is any infringement, please inform a ...

Posted on Mon, 17 Feb 2020 03:13:29 -0500 by marketboy

The tree outside the school gate

The tree outside the school gate Title Description There is a row of trees on the road with a length of L outside the gate of a school. The interval between each two adjacent trees is 11 meters. We can regard the road as a number axis. One end of the road is at the position of the number axis 00 and ...

Posted on Mon, 17 Feb 2020 02:16:43 -0500 by exxx

Transaction strategy based on capital initiative flow

I. Abstracts The price is either up or down. In the long run, the probability of price rise and fall should be 50% respectively. To correctly predict the future price, it is necessary to obtain all factors affecting the price in real time, then give each factor a correct weight, and finally make an objective and rational analysis. To list all t ...

Posted on Mon, 17 Feb 2020 02:05:31 -0500 by execute

MACHINE LEARNING [Zhou Zhihua Edition - "watermelon book" - Notes] DAY13 semi supervised learning

13.1 unmarked samples Let's start with two concepts: 1) Labeled sample Training sample set Dl={(x1,y1), (x2,y2) , (xl,yl)}, the class marks of these samples are known. 2) unlabeled sample Training sample set Du = {x L + 1, XL + 2 , xl+u}, u is much larger than l, the class mark of these u samples is unk ...

Posted on Mon, 17 Feb 2020 01:12:26 -0500 by biggieuk

Design Mode Notes 03 Simple and Efficient Chat Example Mode

Design patterns are essential skills for good programmers and are often mentioned in interviews. Preface IT industry has a high job-hopping rate, which makes it less frequent to interview.As an interviewer, if all the other knowledge of the candidate is OK, I will end up referring to <b>design patterns</b>related content.If the ...

Posted on Sun, 16 Feb 2020 19:08:35 -0500 by akumakeenta

Java - Java13 Core Classes

Java13 Core Classes Without special instructions, all my study notes were taken from Mr. Liao and deleted. Introduction I went around to my senior year and learned C, C++, C_#, Java, Python, one thing at a time, and finally picked up Java.Therefore, I advise you to master one object-oriented, although Python is easy to write, but after all, ...

Posted on Sun, 16 Feb 2020 12:41:31 -0500 by Rhiknow

STM32F7 hardware IIC driver

At present, only the main device mode is implemented, and generally only the main device mode is used. If iic can't use the hardware mode, it is very efficient to read a large amount of data. Because there is only one byte buffer, it can't use the interrupt mode at all (in the actual use process, IIC ...

Posted on Sun, 16 Feb 2020 06:59:53 -0500 by Henks