How iOS monitors FPS

prefaceNow, if you search on the network, basically most controls used to detect FPS are implemented through CADisplayLink.CADisplayLinkThe official document describes CADisplayLink as follows:A timer object that allows your application to synchronize its drawing to the refresh rate of the display.That is, the time object synchronized with the ...

Posted by boske on Mon, 29 Nov 2021 22:18:47 -0800

react source code analysis 6.legacy mode and concurrent mode

react source code analysis 6.legacy mode and concurrent mode Video Explanation (efficient learning): Click to learn Course Directory: 1. Introduction and interview questions 2. Design concept of react 3.react source code architecture 4. Source directory structure and debugging 5. JSX & Core api 6.legacy and concurrent mode entry fun ...

Posted by katie77 on Mon, 29 Nov 2021 22:16:33 -0800

Tree array to solve the number of pairs in reverse order (including introduction to tree array)

Before learning the tree array to solve the reverse pair. First, let's briefly learn about tree arrays. First, let's explore four problems. 1. What is a tree array? See the name and meaning, is to use arrays to simulate tree structures. Then another question arises, why not make achievements directly? The answer to this question is not ne ...

Posted by trassalg on Mon, 29 Nov 2021 22:04:12 -0800

PKU data structure and algorithm -- external sorting

Computer memory External memory characteristics Advantages: permanent storage capacity, portability Disadvantages: long access time Principle: minimize the number of accesses to external memory External memory data access mode It is divided into two stages: location and access External memory is divided into fixed length storage space ...

Posted by philwong on Mon, 29 Nov 2021 22:00:39 -0800

Experiment 3 transfer instruction jump principle and its simple application programming

1, Experimental purpose 1. Understand and master the jump principle of transfer instruction 2. Master the method of using call and ret instructions to realize subroutines, and understand and master the parameter transfer mode 3. Understand and master 80 × 25 color character mode display principle 4. Integrate addressing mode and assembly ...

Posted by dietkinnie on Mon, 29 Nov 2021 21:38:46 -0800

2021SC@SDUSC hbase code analysis HFile analysis

2021SC@SDUSC hbase source code analysis (x) HFile analysis (2) 2021SC@SDUSC 2021SC@SDUSC 2021SC@SDUSC 2021SC@SDUSC HFileBlock HFileBlock mainly includes two parts: BlockHeader and BlockData. BlockHeader mainly stores Block related metadata, and BlockData is used to store specific data. The core field in Block metadata is the BlockType ...

Posted by Dave96 on Mon, 29 Nov 2021 21:21:59 -0800

[notes] keras introduction; Installation; General process of using keras; Introduction to Dense method; Define the model using the Sequential method

Introduction: 1) What is Keras? Keras is an advanced neural network API written in Python, which can run with TensorFlow, CNTK, or Theano as the back end. The development of keras focuses on supporting fast experiments, and the ability to convert your ideas into experimental results with minimal delay is the key to good research. In particula ...

Posted by rrhody on Mon, 29 Nov 2021 21:18:51 -0800

leetcode 11 Pruning & backtracking

leetcode 11 Pruning & backtrackingVideo 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 Pruning & backtracking12. React ...

Posted by the mysox1 on Mon, 29 Nov 2021 21:02:56 -0800

leetcode lecture on algorithm interview in Dachang 12. Heap

leetcode lecture on algorithm interview in Dachang 12. HeapVideo 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 Pruning & ...

Posted by dynamicallystatic on Mon, 29 Nov 2021 20:57:55 -0800

K8s introductory tutorial | the one who makes hard installation for the cluster is the hero behind the scenes

Hello everyone, our Kubernetes learning notes have finally been updated after two months. The Deployment, Service and stateful we introduced earlier believe that the students who have read the articles have understood their respective abilities and use scenarios. If they have no impression or haven't seen them, it is recommended to read the art ...

Posted by iamyespee on Mon, 29 Nov 2021 20:57:01 -0800