ggstatsplot | a high color R package to meet your daily statistical needs

🤩 ggstatsplot | a high color R package that meets your daily statistical needs (IV) 1. Write in front The point chart is very useful, which can show the distribution of variables, the correlation between variables, regression results, etc This issue introduces the functions related to plotting UTF-8...

Posted by antray on Thu, 18 Aug 2022 17:59:46 +0530

Immutable objects and protective copies of shared variables!

1. Preface Main contents: Use of immutable classes Immutable class design Stateless class design 2. Date conversion reference https://blog.csdn.net/csdn_ds/article/details/72984646 SimpleDateFormat problem Under multithreading, the SimpleDateFormat will have a concurrency problem (NumberFormatEUTF-8...

Posted by digitalflash on Fri, 19 Aug 2022 15:39:07 +0530

Virtual list processing in long list rendering (code attached)

Whether in the real project development or in the interview, the optimization processing method of the front-end is very important. How to render the real long list and thousands of data lists? First of all, the most common is the front-end and back-end paging. If there are 1000 pieces of data,UTF-8...

Posted by stephenlk on Thu, 18 Aug 2022 16:50:06 +0530

cron expression is implemented in cycles of year, week, month, hour, minute and second

First, let's understand what cron expression is and the format of cron expression. Introduction to cron expression What is a cron expression? cron expression is a string with time meaning, which is generally used to define the execution time of a scheduled task. Format of cron expression {seconUTF-8...

Posted by rocklv on Thu, 18 Aug 2022 12:40:10 +0530

Winter training - first week (STL)

preface: This design S T L STL Stack in STL ( A , B ) (A, B) (A,B), priority cohort ( C ) (C) (C) , and b i t s e t bitset bitset ( D ) (D) (D) A - bottle with only one end open A - bottle with only one end open Idea: If there are two stacks, all sequences can be popped out in order; 1 − > 2 ,UTF-8...

Posted by viktor1983 on Wed, 17 Aug 2022 10:19:24 +0530