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It is stated that the starting point of this article is not data structures, but objects that can be directly used in python for data structures. 1. Ordered sequence 1.1 immutable sequence 1.1.1 str Built-in data structure, can be used directly without importing Common Functions format(*args, **kwargs) # Various usage, the algorithm can be use ...

Originally thought this question would hang up the result, this question was a little bit watery... First of all, by the nature of the data and the violence, we get a happy 60. As for the positive solution QAQ Then you have to associate a simple but not commonly used knowledge. ******************************************* Expand Euclidean: ...

Title Link: acm.hdu.edu.cn/showproblem.php?pid=6589 Topic: Give a n array of length n with m operations and 3 operations of 1,2,3. Ask the array after M operations and output the XOR of i*a[i] The essence of operation K is to do a n O(n) calculation, a[i]+=a[i-k] (i-k>0) When k=1, we can see that this is a prefix sum operation When k=2, ...

uva1400 "Ray, Pass me the dishes!" If you encounter something you don't understand while reading this article, ask in the comments section, or skip over it. An overview of segment trees   It's a black topic on luogu... QAQ (but it's a line segment tree template title, qwq)   Main idea of the title: Give a long n integer sequence D, answer ...

1. Based on: https://www.cnblogs.com/ccoonngg/p/11223340.html 2. Add transfer method to AccountService interface /** * Transfer accounts * @param sourceId Transfer account * @param targetId Transfer to account * @param money Transfer amount */ void transfer(int sourceId,int targetId,float money); ...

Preface: The company has an asset statistics system, which is very low in usage, but requires fast query speed in use. Therefore, we want to make some caches stored in memory, not used for a long time, persistent to disk, and recycle garbage, return physical memory to the operating system, so as to save valuable resources to other businesses. S ...

I. Synchronized Delegation Delegation types can be divided into synchronous delegation and asynchronous delegation. Synchronous delegation is invoked through Invoke. If a more tedious task is to be invoked, synchronous delegation will block and make the program stagnate for a long time, until the work in the delegation is completed, it can con ...

cause The reason for this is that to implement grayscale routing based on Zuul Gateway within the company and to perform grayscale tests when online, you need to configure metadata metadata registered with Eureka by Business Micro Services and customize Ribbon's load rules to access grayscale services only.This requires customizing Ribbon's IRu ...

Catalog Preface Template Engine FreeMarker What is a template engine? What is FreeMarker? How does FreeMarker work? Join Dependency Create Configuration Instance Create a data model Get Templates Merge Templates and Data Integrate code ...

Brief introduction of the article Introduction to Ocelot Gateway Ocelot Integrated Idnetity Authentication Processing Brief Introduction to Ocelot Gateway Ocelot is an API gateway based on netcore, which is essentially a set of middleware arranged in a specific order. Ocelot implements routing forwarding, current limiting, fusing, ...