Tag：threshold
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Time：2021-7-16
Recently, the fourth paradigm, an AI technology and service provider, announced the completion of round D financing, with a financing amount of US $700 million. This round of financing is led by Boyu capital, Chunhua capital and Houpu investment, and introduces strategic shareholders such as national manufacturing transformation fund, Guokai, Guoxin, China construction investment, China […]
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Time：2021-7-5
1. Purpose of feature selection Feature selection is an important step in machine learning to screen out salient features and discard non salient features. The effect of this is: Reduce the feature (avoid dimension disaster), improve the training speed and reduce the computing cost; Reduce the interference noise, reduce the risk of over fitting, and […]
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Time：2021-7-2
<br/>Apache Kafka is a distributed message system written in Scala language. Basic concepts of kafak message Message is the most basic data unit in Kafka. It is composed of key and value. KV is a byte array. Kafka will route messages to the specified partition according to the key value according to certain policies, so […]
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Time：2021-7-1
Translation link:https://www.infoworld.com/art… In application development, you may have the idea of controlling the request frequency of users to prevent malicious attacks of some users. Specifically, in order to prevent the well-known denial of service attacks and limit the access times of an IP in a period of time, to solve this problem, we need to […]
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Time：2021-6-22
A series of articles： Introduction to rabbitmq Mac install rabbitmq Install rabbitmq in Ubuntu Rabbitmq usage scenarios Rabbitmq components and architecture Rabbitmq code example Rabbitmq introduction case – fanout mode Rabbitmq introduction case – work mode – polling mode Rabbitmq – springboot case – fanout mode Rabbitmq – springboot case – direct mode Rabbitmq – […]
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Time：2021-6-16
preface In series (1), we learned the necessity of fluency monitoring, and some indicators and methods of fluency evaluation in the industry. Next, we will introduce series (2), the selection of fluency index of Baidu app. Baidu app fluency index selection 1. Unsmooth scene and weight consideration The actual test found that in the baidu […]
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Time：2021-6-14
Author | guessCompile VKSource: analytics vidhya introduce Object detection is a very important field in computer vision, which is necessary for automatic driving, video surveillance, medical applications and many other fields. We are fighting an epidemic of unprecedented scale. Researchers around the world are trying to develop a vaccine or a treatment for cowid-19, while […]
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Time：2021-6-4
Link to the original text:http://tecdat.cn/?p=21506 When two states are adopted, the single transfer function PSTR model has two variables The basis of our empirical approach includes assessing capital liquidity in n countries. The corresponding model is defined as follows: Among them, it is the ratio of domestic investment to GDP observed in the ith […]
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Time：2021-5-30
Brief introduction of current limiting Now when it comes to high availability systems, we will talk about high availability protection means: caching, degradation and current limiting. This blog mainly talks about current limiting. Current limiting is the abbreviation of rate limit, which means that only specified events are allowed to enter the system, and the […]
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Time：2021-5-30
1、 Threshold logic unit Threshold logic unit (Tlu), which can input a group of weighted coefficient quantity, sum them, if the sum reaches or exceeds a certain threshold, output a quantity. For example, the inputs are A1, A2,…, an and the weights W1, W2, …, wn。 Then there is the sum of AI x wi […]
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Time：2021-5-6
InnoDB actively detects the deadlock and rolls back a waiting transaction. The question is, how does InnoDB detect deadlocks?The intuitive method is that when two transactions wait for each other, when the waiting time of one transaction exceeds a set threshold, one transaction is rolled back, and the other transaction can continue to execute. This […]
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Time：2021-4-28
preface Realizing redis from scratch in Java (1) how to realize fixed size cache? Realization of redis from scratch in Java (3) principle of redis expiration How to restart memory data without losing? In this section, let’s learn how to implement removelistener in guava cache and slowlistener in redis. Delete listener explain We delete data […]
