Tag:case
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Python support vector regression SVR fitting, prediction of regression data and visual accuracy check examples
Original link:http://tecdat.cn/?p=24875 Support vector regression (SVR) is a kind of regression algorithm, which uses the similar technology of support vector machine (SVM) for regression analysis. As we know, regression data contain continuous real numbers. In order to fit this type of data, SVR model uses a method called ε Epsilon tube, ε Represents the width […]
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CSS selector details
Tools and Resource CenterHelp developers work more efficiently and provide tools and resources around the whole life cycle of developershttps://developer.aliyun.com/… 1、 CSS selector introduction brief introduction CSS selectors are a pattern used to match elements in HTML documents. The associated style rule is applied to elements that match the selector pattern.Selectors are one of the […]
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N common mistakes when using @ transactional
@TransactionalIt is an annotation that we can hardly escape when using spring. This annotation is mainly used to declare transactions. Its implementation principle is to weave the implementation statements of transaction management before and after the annotation modification method through spring AOP, so developers only need one annotation to replace a series of cumbersome coding […]
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Everyone can use C language to write a small game of push box! Today you can write your own project~
C language, as the first programming language of most people, is of self-evident importance. Many programming habits and logical methods have been formed at this time. This is a twitter game I wrote after learning C language in my freshman year. My logic ability has been improved. I share this twitter game with you here. […]
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MySQL update case updates operations where field values are not fixed
When processing batch updating of some data, if the values of the fields you update are the same, for example, a state is updated to a fixed value, Simply use update table set XXX = XXX where XXX = XXX If the value of the field to be updated is not fixed, it is more […]
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Interface automatic test, one key quick verification of all fields of interface return value
Hello, I’m crazy teacher. When we carry out automated testing on a daily basis, in order toEnsure the effectiveness of interface test, the response field returned by the interface must becheck、AssertAnd so on. When the number of fields returned by the interface itself is small, the interface assertion operation is generally easy to implement. However, […]
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Improve the ES search module, query es like query database, with complete small cases
Some time ago, the writing requirements were written into the search module. With more and more conditions, the combination of various conditions became more and more complex, and it was difficult to maintain in the later stage. Therefore, the previous search writing method was improved. I wrote a small case in my spare time to […]
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Hello World 2022 ^_^ In the new year, showmebug wishes your technical Recruitment “like a tiger with wings”
*Previous case sharingCase | under the epidemic situation, showmebug helped kangbojia complete large-scale contactless technology recruitmentCase | accelerating the pace of technical recruitment, Xiaopeng chose to use showmebugCase | eliminate cumbersome resume screening, and “micro partner assistant” selects showmebug online written test to improve talent accuracyCase: under the autumn recruitment, how can Leyan technology achieve […]
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Power Bi official customer case 2021
Microsoft business application summit power Bi customer cases. Compared with the previous two years, this year’s customer cases are mainly large customers, basically top companies in the industry. Select retail, pharmaceutical manufacturing, education, medical it and other industry leaders. The sharing content of Wal Mart, Bayer and the University of Waterloo is very good and […]
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R language group variable selection, group punishment, group lasso lasso model prediction and analysis of neonatal birth weight risk factor data, cross validation and visualization
Original link: http://tecdat.cn/?p=25158 In this paper, the regularization paths of linear regression, GLM and Cox regression models with grouping penalty are fitted. This includes group selection methods such as group lasso Lasso, group MCP and group SCAD, as well as two-level selection methods such as group index lasso and group MCP. It also provides utilities […]
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Push box games — C / C + + implementation
Push box must be a classic game of many people’s childhood. We can still remember the scene of holding an old man’s machine for entertainment. Today, let’s implement a simple push box game with Xiaobai blogger in C / C + +. Before formally writing the code, we must consider the overall idea of writing […]