leetcode essence of algorithm interview in Dachang 13. Monotone stack
leetcode essence of algorithm interview in Dachang 13. Monotone stackVideo Explanation (efficient learning): Click to learncatalog:1. Introduction2. Time and space complexity3. Dynamic planning4. Greed5. Binary search6. Depth first & breadth first7. Double pointer8. Sliding window9. Bit operation10. Recursion & divide and conquer11 Prun ...
Posted by Chappers on Wed, 01 Dec 2021 02:53:27 -0800
OpenCV learning notes 16_ Common edge detection algorithms
edge detection
1, Understanding of edge detection
Edge generally refers to the region where the intensity of an image changes sharply in a certain part. There are generally two situations of strength change: Step change: The image value changes from low to high, and the image changes from dark to bright
Peak change: From dark to light ...
Posted by ady01 on Wed, 01 Dec 2021 02:53:50 -0800
[notes] Apache pulsar learning manual
1. Apache pulsar installation and deployment
1.1 preliminary preparation
zookeeper 3.4.5pulsar installation package 2.8.1Cluster security free environment
1.2 deployment steps
1.2.1 upload the installation package to the linux server
Download address: https://pulsar.apache.org/zh-CN/download/
1.2.2. Unzip the file to the data directory
...
Posted by steveswt on Wed, 01 Dec 2021 02:49:29 -0800
LaTeX concise tutorial
3.1 basic references
At the end of the source code, add references wrapped by the bibliography environment. Each reference begins with \ bibitem, followed by the content of the reference itself. Use \ cite {⟨ citation ⟩} at the corresponding position in the text: ⟨ citation ⟩ is the corresponding [] content of the literature to be quoted.
\begi ...
Posted by Sikk Industries on Wed, 01 Dec 2021 02:35:16 -0800
How does SpringBoot realize asynchronous programming? Old birds play like this!
For image download, domain name resolution and time synchronization, please click Alibaba open source mirror stationFirst, let's take a look at why asynchronous programming is used in Spring and what problems can it solve?Why use asynchronous framework? What problems does it solve?In the daily development of SpringBoot, it is generally called s ...
Posted by BuzzLY on Wed, 01 Dec 2021 02:31:22 -0800
WPF dynamic transform (RenderTransform and LayoutTransform)
Layout system
WPF provides two transformation methods, LayoutTransform and RenderTransform. Literally, LayoutTransform is a layout transform, while RenderTransform is a rendering transform.
In WPF, many drawing tasks can be made easier by using transform - an object that changes the way the shape or element is drawn by switching the coordinat ...
Posted by sunnyk on Wed, 01 Dec 2021 02:12:52 -0800
"Strve.js" is a JS library that can convert strings into views
prefaceI haven't written original for a long time. Today I'll send an article about my own JS Library - Strve.js.Finally, I experienced the fun of writing my own JS library or framework, my own documents and tools.If you want to know about Strve.js, you can start according to the document.Official documents:https://www.maomin.club/site/strvejs/ ...
Posted by rage2021 on Wed, 01 Dec 2021 02:07:39 -0800
pinctrl subsystem initializes RGB lamp
Catalogue of series articles
Detailed explanation of Linux character device driver Detailed explanation of Linux character device driver II (using device driver model) Detailed explanation of Linux character device driver III (using class) Detailed explanation of Linux character device driver IV (using its own xbus driver bus) Detailed exp ...
Posted by docpepper on Wed, 01 Dec 2021 01:42:32 -0800
[Day11] three times a day
[Day11] three times a day
subject
NC58 finds two switching nodes (esay) in the binary search tree
describe
A binary tree was originally a search binary tree, but two nodes changed their positions, so that the binary tree is no longer a search binary tree. Please output the values of the two wrong nodes in ascending order. (each node has ...
Posted by Whitestripes9805 on Wed, 01 Dec 2021 01:34:12 -0800
Time complexity and space complexity
Algorithm efficiency
There are two kinds of algorithm efficiency analysis:
Time efficiency,Space efficiency.
Time efficiency - > time complexity Space efficiency - > space complexity. Time complexity mainly measures the running speed of an algorithm, while space complexity mainly measures the additional space required by an algorithm I ...
Posted by siko on Wed, 01 Dec 2021 01:27:13 -0800