Programmer Help

Recently, I am working on cmos industrial camera. For some cmos chips, such as linear array cameras, pixel data of multiple channels will be output at the same time. However, in our actual use, these data are often written into the cpu memory in a serial way, and then processed in the next step. In this way, the pixel signals output by cmos nee ...

title: "01 backpack and dichotomy" author: Sun-Wind date: October 21, 2021 Background of this post: Recently, the blogger was practicing the problem of 01 knapsack and found that a problem combined 01 knapsack and bisection algorithm, which greatly inspired Ben konjak. I hereby come to water to share #Knowledge reserve ##01 Bac ...

preface Hello, I'm Milo. Name desensitization was used in the project a few days ago. Keep the head and tail, and fill an indefinite number of '*' in the middle. Because I'm not familiar with related functions, I've spent a lot of trouble. Today, I'd like to summarize what I feel useful and collect it What is data desensitization? Mobile ...

Configuration files in mybatis 1. Global profile 1.1 properties: read external resources properties file, read in the form of key value, with = For example: Create the db.properties file under resources:   Load in global configuration file:    <properties  resource="db.properties">        <property name="userName" val ...

There are two APIs for process creation, createprocessa and CreateProcessW. These two functions only have different character codes of parameters, and will eventually call the same function. 1, Introduction to function parameters First, let's look at the parameters of the process creation function Take CreateProcessW as an example: WINBASEAP ...

1, General idea of the topic Give you n points. Each point can and must be displaced once (move one unit horizontally to the right or move one unit vertically upward). Ask how many pairs of points can be matched after displacement (as long as two points are collinear with the origin, three points can be matched). Each point can only be matched ...

1. Time efficiency There are two kinds of algorithm efficiency analysis: the first is time efficiency and the second is space efficiency. Time efficiency is called time complexity, and space efficiency is called space complexity. Time complexity mainly measures the running speed of an algorithm, while space complexity mainly measures the a ...

loop target Three processes of procedureBasic use of while loopbreak and continuewhile loop nesting 01. Three processes of procedure There are three process modes in program development: Sequence - execute code sequentially from top to bottomBranch -- determine the branch to execute code according to condition judgmentLoop -- repeats sp ...

Spring Expression Language (SpEL) is a powerful expression language that supports runtime queries and manipulation of object diagrams. Expression languages generally do the most important work in the simplest form to reduce the workload. Java has many expression languages available, such as JSP EL, OGNL, MVEL, and JBoss EL. SpEL syntax is ...

Advantages of WeChat Login At present, there are a large number of WeChat users, who prefer to sign in faster and easier than the traditional account password. springboot Access WeChat Login Dead work Web site application WeChat login is a Microsoft OAuth2.0 authorized login system based on OAuth2.0 protocol standard. Before authorizing Wec ...