Leetcode problem solving algorithm greedy algorithm (python version)

1. The longest chain that a number pair can form 646. Longest number pair chain (Medium) Method 1: greedy algorithm Sort all pairs according to the size of the second number. The first step is to select the pair with the smallest ending number. Then, each step selects the number that does not conflict with the last selected number pair and ...

Added by zaiber on Thu, 10 Mar 2022 02:07:41 +0200

How to understand the residual network (resnet) structure and code implementation (pytoch) note sharing

In the network of deep learning, I think the most basic is the residual network. What I share today is not the theoretical part of the residual network. Just remember that the idea of the residual network runs through many network structures behind. If you understand the residual network structure, then some advanced network structures behind a ...

Added by cpharry on Thu, 10 Mar 2022 02:06:36 +0200

Recurrence analysis of Apache Dubbo deserialization vulnerability

preface Learn the classic vulnerabilities of Apache Dubbo series CVE-2019-17564 0x01 version affected Dubbo 2.7.0 to 2.7.4 Dubbo 2.6.0 to 2.6.7 Dubbo all 2.5.x versions 0x02 environmental preparation https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-http Download the source code, switch the Dubbo version in pom, and fi ...

Added by Griven on Thu, 10 Mar 2022 02:05:39 +0200

Java handwriting thread pool

Thread pool What is a thread pool Thread pool is a thread usage mode. The thread pool will maintain multiple threads waiting to allocate tasks that can be executed concurrently. When a task needs thread execution, it will allocate threads from the thread pool to the task without actively creating threads. Benefits of thread pooling If we us ...

Added by ten31studios on Thu, 10 Mar 2022 02:02:59 +0200

[algorithm and data structure] talk about linear search method~

๐Ÿ“… preface As we all know, algorithm and data structure is a necessary course for all computer majors. Algorithm not only reflects a person's logic ability, but also reflects a person's thinking ability. It is not only learning algorithms and data structures, but also a deep understanding of computer science. In this article, we will star ...

Added by PunjabHaker on Thu, 10 Mar 2022 02:00:12 +0200

Explain the basic operation of Elasticsearch in detail

๐Ÿ“ข๐Ÿ“ข๐Ÿ“ข๐Ÿ“ฃ๐Ÿ“ฃ๐Ÿ“ฃ Hello! Hello, everyone. I'm [one heart classmate], a highly motivated [Java domain blogger]! ๐Ÿ˜œ๐Ÿ˜œ๐Ÿ˜œ โœจ Writing style of [one heart students]: I like to explain every knowledge point in [easy to understand] writing, rather than using [tall and tall] official statement. โœจ The field of the blog is the learning of back-end te ...

Added by gkostenarov on Thu, 10 Mar 2022 01:07:22 +0200

javascript advanced programming (Fourth Edition) lazy reading: Chapter 3

(46 - Chapter III 20218 + a1043) grammar Case sensitive ECMAScript is case sensitive. identifier An identifier is the name of a variable, function, property, or function parameter. An identifier consists of one or more of the following characters: The first character must be a letter, underscore () Or dollar sign ($);The remainin ...

Added by yes3no2 on Wed, 09 Mar 2022 20:24:43 +0200

[nand2tetris : Chap7-8]Compiler-1(including python implementation)

Compiler stage-1 To simplify compilation and improve portability, an intermediate code is designed to run in a virtual machine. VM is a fictitious machine, but it can be ported and run on real machines of various architectures. The VM language covered in this chapter includes four commands: arithmetic, memory access, program flow, subrouti ...

Added by validkeys on Wed, 09 Mar 2022 19:51:41 +0200

Follow the react project (to P57)

The backend API interface is in this file, and the request path is known by the backend definition List of fixed contents for each column (antd) About render parameters Later, I'll verify these three parameters myself, and I don't know the difference between text and record. text and record are identical. console.log(text === record ...

Added by Xeoncross on Wed, 09 Mar 2022 19:50:51 +0200

5. Lockless Shared Mode (top), CAS, Atomics

Contents of this Chapter CAS and volatileAtomic IntegerAtomic ReferenceAtomic accumulatorUnsafe 1. Questions raised There are requirements below to ensure accont. Thread security for withdraw withdraw method public interface Account { // Get Balance Integer getBalance(); // Withdraw money void withdraw(Integer amount); ...

Added by Azazeal on Wed, 09 Mar 2022 19:34:20 +0200