Launch | four important functions of Clusterpedia 0.1.0

The first version of Clusterpedia , Clusterpedia , 0.1.0 , was officially released and will enter the version iteration stage from now on. Compared with the initial 0.0.8 and 0.0.9-alpha, 0.1.0 added many functions and made some incompatible updates. If you upgrade from 0.0.9-alpha, you can refer to 0.1.0 upgrade to clusterpedia https: ...

Added by soadlink on Tue, 01 Mar 2022 08:08:34 +0200

Custom annotation for business verification

Parameter verification Business rule verification Code practice Custom annotation Implement business verification rules use test Summary In daily interface development, in order to ensure the stability and security of the interface, we generally need to deal with two kinds of verification in the interface logic: Parameter verif ...

Added by Tylor_Famous on Tue, 01 Mar 2022 07:46:08 +0200

4, STL function object (understand)

4 STL function object 4.1 function object 4.1.1 function object concept Concept: A class that overloads the function call operator. Its object is often called a function objectWhen a function object uses overloaded (), its behavior is similar to that of a function call, which is also called an imitation function Essence: A function object ...

Added by CodeMama on Tue, 01 Mar 2022 07:30:32 +0200

Koa of source code analysis

1, Foreword The main audience of this article is 1-3 years of junior and intermediate front-end engineers. I hope to study with you. Why learn the source code? After learning the daily development and application of Vue, React and Node, I seem to have encountered some bottlenecks and don't know how to go further. There emerge in an endle ...

Added by unknown on Tue, 01 Mar 2022 07:24:26 +0200

Interviewer: jdk1 8 How is the HashMap capacity expansion rehash algorithm optimized?

This article talks about a common interview question, jdk1 8 How is the HashMap capacity expansion rehash algorithm optimized? As we all know, the bottom layer of HashMap is actually an array. Since it is an array, the inevitable length is fixed, so there must be a problem of capacity expansion. At jd.k1 7 is to double the capacity of the arra ...

Added by az_wraith on Tue, 01 Mar 2022 07:11:59 +0200

Machine learning notes - introductory case 4 of exploratory data analysis (EDA)

1, Data set description 1. Data set Tabular Playground Series - Feb 2022 | KagglePractice your ML skills on this approachable dataset!https://www.kaggle.com/c/tabular-playground-series-feb-2022/data For this challenge, you will predict bacterial species based on repeated lossy measurements of DNA fragments. The fragment with length of 10 is ...

Added by Gregadeath on Tue, 01 Mar 2022 06:46:03 +0200

Look and think for 15 minutes. Take the clue and store the binary tree

prefaceIf you think the article is helpful, please leave some praise and collection. Pay attention to xiaoleng and read more dry goods learning articles ★ this is Xiao Leng's blog ‡ see the column for good articles on high-quality technology The official account of the individual, sharing some technical articles, and the pit encountere ...

Added by Salkcin on Tue, 01 Mar 2022 06:43:06 +0200

Thread state transition and code proof (just look at this article, with diagram and code verification)

background Take you to understand the thread state in Java, with pictures and code display, all dry goods. summary Look at the State enumeration in the Thread class, which is the State of the Java Thread. There are many states on the Internet. You can see that this enumeration is more authoritative. All kinds of nouns, what can be run, ready ...

Added by dixondwayne on Tue, 01 Mar 2022 06:37:44 +0200

Unit testing in golang

Excellent code habits must be accompanied by unit testing, which is also the philosophy of go language design;Many foreign companies and excellent programmers pay more attention to TDD, but it is very rare in China; (TDD: Test Driven Development)In any case, learning and using golang unit tests is not a waste of time, but to make your code more ...

Added by mook on Tue, 01 Mar 2022 06:22:28 +0200

Crawling through the list of Google Scholar papers, how to use public data for co-author analysis?

  Preface Before, my classmates selected tutors for postgraduate study. I helped them refer to them. I found that some teachers are very young, but the data of Google Scholar are ridiculously high (mainly citation and h-index), and even easily crush some calf guides in the ears of the population. Intuitively, this kind of data should be fal ...

Added by Goon on Tue, 01 Mar 2022 06:07:14 +0200