Tag：Knowledge points
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Fluent: stream realizes the function of timed polling
Stream is one of the core libraries of dart. Future is used to represent the result of a single operation, while stream represents the sequence of multiple results. Today, let’s share a piece of code to realize the timed polling function through stream: typedef Future<T> FutureGenerator<T>(); class StreamTool { ///Interval polling interval ///Maxcount maximum number […]
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Writing — opening the road of technological growth
1、 Foreword As a programmer, I often look up all kinds of information on the network. At this time, many excellent technical articles will be retrieved. A good technical article may not only solve our problems, but also bring us some beautiful experiences in the process of reading. Many times, we also look forward to […]
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Qingqi SCI: 12 Redox related gene + ccrcc (5 + points)
PMID：33425212Published magazine:Oxidative Medicine and Cellular Longevity Knowledge points Redox: redox reaction, which plays a significant role in the progression of tumor. The redox related pathway shown by the authors in GSEA was foundGO_CELL_REDOX_HOMEOSTASISandGO_RESPONSE_TO_REDOX_STATE, there are two redox related gene sets. Redox related lncrnas: redox related lncrnas. Setting criteria:Pearson Correlation Test, |Cor| > 0.5 and p.adj […]
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Collation of learning notes of SQL must know and be able
brief introduction This note now contains all chapters in SQL must know and know. What I consider when sorting out my notes is that after taking notes, when I need to find a certain knowledge point, I don’t need to find it in the book. I just need to check the notes to find the […]
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Seven weeks from front-end entry to front-end development engineer
As a junior who began to learn front-end and has been working for three years, I would like to talk to you about my self-study road of front-end, my own learning methods, and the recommendation of front-end learning resources. This is a front-end introductory guide. Please avoid it. The front-end industry has developed rapidly in […]
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Feynman learning method is an efficient learning method
Feynman is a famous physicist who won the Nobel Prize in physics. In my eyes, physicists are highly intelligent and admirable. When I saw Feynman’s learning method, I felt sorry to meet each other late. I think I can apply it to make up lessons for children in the future. Feynman’s learning method sounds confusing, […]
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How to quickly locate the SQL statement with the highest CPU consumption in the current database?
Article from:PHP open source community How to quickly locate the SQL statement with the highest CPU consumption and how to do it? Take a look at the introduction below. summary If it isOracleDatabase we can easily locate the statements that consume high CPU in the current database through SQL, and how can MySQL database locate them? […]
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Collation of learning notes of C + + primer
brief introduction At present, this note contains most of the contents in C + + primer, but some sections are missing. For example, the notes in sections 19.1 and 19.2 have not been sorted out and will be continuously updated. The study notes in this project are the notes taken after refining the main points […]
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[algorithm learning] – sliding window algorithm (JavaScript)
Sliding window algorithm: Literally, everyone has seen the window and can open and close the window ×）The window of the sliding window algorithm here is divided into fixed and unfixed. The fixed window is the kind of window seen in life. Imagine a large window, and then the sliding screen window. The screen window here […]
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Free online workshop: using node JS development command line tool
Thanks to the Jinshan office, I’ve been looking for a job recently. I went back to Chongqing with my wife a few days ago. I was very happy and relaxed. On the way back, I think it’s the Chinese new year ahead of time. Next, we need to do more things. The main job is […]
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18 full knowledge maps of HD data analysis, strongly recommended for collection
This paper introduces most of the contents and related knowledge points used in data analysis in practical work. You can collect, read carefully and read slowly catalogue 1. Data analysis steps 2. Data Analysis Basics map 3. Data analysis technology knowledge map 4. Data analyst competency system 5. Data analysis topics 6. Data science skills […]