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Program, process, thread Program: static concept, a collection of instructions written in a language, a piece of static code Process: the execution process of a program or the program being executed. It is a dynamic process with a life cycle Thread: a process is refined into a thread, which is the internal execution path of a program Concurren ...

In situ hash algorithm The in-situ hash algorithm is used to solve the problem with spatial complexity of O(1), and the result range is between [0, len (Num)], and num is the solution array provided by the problem. The in-situ hash algorithm is mainly used in the array solution with the result range of [0, len (Num)]. The space complexity is ...

1. What is third-party login? Third party login is to quickly obtain user related information through the account and password of the third-party application For example: QQ login After clicking the QQ login button, the user will be asked to enter the QQ account and password As long as the user enters the QQ account and password, we can get the ...

summary   the life cycle of containers may be very short and will be created and destroyed frequently. When the container is destroyed, the data saved in the container will also be cleared. This result is undesirable to users in some cases. kubernetes introduces the concept of Volume in order to persist the data of the container. &ems ...

Slot is a placeholder provided to the parent component in the child component. It is represented by < slot > < / slot >. The parent component can fill any template code in this placeholder, such as HTML, component, etc. the filled content will replace the < slot > < / slot > tag of the child component. The purpose of the ...

Basic chapter Key points of basic part: algorithm, data structure and basic design mode 1. Binary search requirement Be able to describe the binary search algorithm in your own languageAble to write binary search codeBe able to answer some changed test methods Algorithm description Premise: there is A sorted array A (assuming it is ...

1 Introduction With the development of pattern recognition, image processing and machine learning, fast and effective automatic recognition and verification technology has attracted extensive attention because of its great theoretical and practical application value. As an important verification means in biometrics, face recognition has achiev ...

catalogue 1. Priority queue 1.1 concept 1.2 internal principle 1.3 operation - queue entry 3.4 operation - out of queue (highest priority) 3.5 borrow heap to realize priority queue 1. Implement an interface 2. See the previous section for the complete code of the heap 3. Priority queue 3.6 testing 1. Priority queue 1.1 concept ...

Background description When the collection of too many indicators exceeds the processing capacity of a single prometheus, we usually use multiple prometheus instances to collect certain indicator fragments respectively, and then aggregate them through thanos to provide unified query services. Through simple experiments, this paper demonstrate ...

ant batch execute Jmeter 1, Environmental preparation 1. JDK environment: Java Downloads | Oracle 2. ANT environment: Apache Ant - Binary Distributions 3,Jmeter: Apache JMeter - Download Apache JMeter 4. Add ant-jmeter-1.1.1. To the extras directory of JMeter Copy the jar package to the lib directory under the ant installation directory 5 ...