Programmer Help

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 ...

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 ...

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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 ...

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 ...

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 ...

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 ...

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 ...

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, ...

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 ...