Tag：thinking
-
Time：2021-3-1
1. Know Linux If you feel inconvenient to view, it doesn’t matter. Brother migrant workers has packed these pictures and uploaded them to the Internet disk for you to downloadThe way of migrant workers’ TechnologyOfficial account replyLinux mind mapYou can get the download link for free. 2. Linux command 3. Linux learning path 4. Introduction […]
-
Time：2021-2-18
Transferred from: http://www.maomao365.com/?p=9775 Abstract:The text image type in SQL Server database cannot be shared by distinctExperimental environment: SQL Server 2017In SQL server, we often need to take the distinct operation on a series of values, but when we directly do the distinct operation on the value of text type, there will be some error messages,The […]
-
Time：2021-2-18
The first issue of algorithm As the first phase of algorithm training, it is not difficult. But as a normal algorithm learner. We shouldn’t be bound by the present, so here are as many ways as possible. As a review of previous algorithm learning. The methods used here will be described in detail in other […]
-
Time：2021-2-16
preface Recently, the project is being refactored. At the suggestion of the architect, mybatis is switched to mybatis plus in the project. Because mybatis plus only enhances and does not change on the basis of mybatis, the cost of switching is very low. Just change the jar and configuration content, and the original code does […]
-
Time：2021-2-10
Since childhood, the teacher has taught Xiaosi to take more notes, saying that good memory is not as good as bad writing, but the demerit notes are soon forgotten, and even when I look back, I don’t know what I remember at that time. I always hope that there is a better way to learn […]
-
Time：2021-2-10
Reverse linked list Sword finger offer 24 Define a function, input the head node of a linked list, invert the linked list and output the head node of the inverted linked list. Example: Input: 1 – > 2 – > 3 – > 4 – > 5 – > null Output: 5 – > 4 […]
-
Time：2021-2-2
Title Requirements: Thinking: There is a way to go up the first step: (1) 1 There are two ways to go up the second step: (1) 1 + 1 (2) 2 There are four ways to go up the third step: (1) 1 + 1 + 1 (2) 1 + 2 (3) 2 + 1 […]
-
Time：2021-2-1
There is a problem in the project. After the dispath action, the render will render the data of the state twice, one is the original state, and the other is the newly acquired state, as shown in the figure belowThis is because the react rendering mechanism causes the original state data to be automatically obtained […]
-
Time：2021-2-1
CssDependency Error: no template for dependency: cssdependency The crux of the problem: webpack development mode cannot be used MiniCssExtractPlugin.loader How to solve the problem:MiniCssExtractPlugin.loader It is used to extract CSS styles into CSS files and compress them. However, the files referenced by the development environment starting webpack devserver are not packaged in the dist directory, […]
-
Time：2021-1-27
requirement: Remove from array[‘c’, ‘a’, ‘z’, ‘a’, ‘x’, ‘a’, ‘x’, ‘c’, ‘b’,’y’,’g’]Duplicate elements in. Realization idea: Select the non duplicate elements in the old array and put them into the new array. Only one duplicate element will be retained. Traverse the old array, and then take the old array elements to query the new array. […]
-
Time：2021-1-26
preface: This week, we mainly reviewed and improved the unfinished refactoring tasks. In this process, we also encountered problems. We summarized them. At the same time, through continuous practice, we have a further understanding of the code of the tutorial. 1 Taking the management of teachers as an example, this paper analyzes the relationship between […]
-
Time：2021-1-25
(it’s all dry goods. If you are a beginner of C language and understand the following recommended topics, you will be ahead of your classmates!) ——-(later supplement) (if you can’t understand some code, please write your question in the comment area, and I will reply to you!) This is some of the more […]
