• hello,world!


    Markdown learning title Tertiary title Four level title typeface hello,world! hello,world! hello,world! hello,world! quote Choose crazy God to say Java and go to the peak of life Split line picture Hyperlinks [Click to jump to mad God blog](Tianjin Binhai Vocational College (tjbpi. Com. CN)) list A B C A B C form name Gender birthday […]

  • How is the expansion of the universe detected?


    Walking on the road, when a car with a horn is gradually approaching you, you will find that the sound of the horn becomes high and thin, but when it leaves, the sound becomes low and heavy. This is the Doppler effect. The Doppler effect can only explain the expansion of the universe. 01 What […]

  • Springboot integrates mybatis (starter)


    Spring boot integrates mybatis essential information Technology stack Spring Boot 2.4.5、Mybatis Learning purpose Spring boot integrates mybatis Project details Create a new spring initializr project Create the file structure of the project and select the version of the JDK Select the dependencies required by the project Modify the project name and click Finish to finish […]

  • Extremenet: target detection by poles, more detailed target area | CVPR 2019


    Extremenet detects the four poles of the target, and then combines them in a geometric way to detect the target. The performance of extremenet is equivalent to other traditional detection algorithms. Extreme net detection method is very unique, but it contains more post-processing methods, so there is a lot of room for improvement. If you […]

  • You don’t know that typeof string is equal to object


    Write at the beginning The more advanced the position is and the lower the level of work is, the more you need to be solid in basic knowledge. I will not do more than a dozen handwritten source code tutorials like before in the future, and will focus more on basic knowledge Tomorrow is1024, I […]

  • Exploration and visualization of shared bicycle data set


    Analysis background Analysis purpose This paper analyzes the impact of the relevant data of mobike order on the riding time, which is used as the reference and basis for business operation optimization (because there is no order amount data in the original data set, and because mobike takes the riding time as the charging standard, […]

  • HTTP’s operating room


    Visitor Time is set in the morning6Click, with the “dada” sound, the browser address bar appearshttps://blog.acohome.cnBrowser knows, it’s another morning rush. “All departments are ready!” Browser boss, at one command, all departments began to prepare. “GoHTTPService, remember the way you requestedGETAnd these request headers are taken together. ” Accompanied byEnterThe browser leader’s input to the […]

  • Application of convolution in image processing


    There is such an image, you can see that there are many noise points on the image: High frequency signal is like a mountain on the ground: It looks conspicuous. One of the ways to smooth the mountain is to cut off some soil and fill it around. In mathematical terms, it is to average […]