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Article directory 6 incident 6.1 event handling: the process of event triggering JavaScript 1) process 2) Binding events to elements 3) Event flow 4) Event object 6.2 using different event types 1) User interface (UI) events 2) Focus event 3) Mouse events 4) Keyboard events 5) Form event 6) Chang ...

This article talks about the PriorityBlockingQueue, a quote from the book: This is the unbounded blocking queue with priority. Every time you leave the queue, you will return the elements with the highest or lowest priority (here the rules can be made by yourself). The internal is implemented by using the balanced binary tree, and the traversal ...

Author: Zhang Shihua, R & D team of shunfengche operation ZADD ZADD key [NX|XX] [CH] [INCR]score member [score member ...] Add elements and corresponding score values to an ordered set NX: do not update the existing key, only add new elements 20: Update only the existing key without adding new elements CH:abbr:changed. ...

Java multithreading Article directory Java multithreading Part1 concept Program, process and thread Create thread Inherit Thread class Implement the Runnable interface Implement Callable interface Part1 concept Call between methods: Call of common methods, from where to where, a closed p ...

Batch Normalization Forward Backward Layer Normalization Forward The first small problem is that let's realize the forward propagation of BN layer. For a batch of samples, calculate their mean and variance, then standardize the data, and finally don't forget to add a certain offset. The code is a ...

java learning notes (4) - operators Article directory java learning notes (4) - operators operator Assignment, arithmetic and unary operators Simple assignment operator Arithmetic operator Unary operator Equality, relation and conditional operators Equivalence and relational operators Condition ...

Existing scenario: shortest path problem During the war, there were seven villages (A,B,C,D,E,F,G) in Shengli township. Now there are six oil differentials. Starting from point G, we need to send the mail to six villages (A,B,C,D,E,F,G) respectively. The subgrade of each village is represented by the bo ...

Article directory STL basic concepts Introduction to STL components STL advantages Three components of STL iterator Preliminary understanding of three components Basic use of three components Common containers string container STL basic concepts In order to establish a set of standards for data ...

Catalog 1, Operators 1.1 definition 1.2 arithmetic operators 1.2.1 classification 1.2.2 multiple uses of addition 1.2.3 auto increase and auto decrease operator 1.3 assignment operators 1.4 comparison operators 1.5 logical operators 1.6 ternary operator 1.6.1 operator classification 1.6.2 definit ...

Catalog Why do I need thread pools? demand Thread pool design 1. Number of threads 2,keepAliveTime 3. The task queuing policy is linkedblockingqueue 4. Reject policy Source code analysis Result analysis attach Why do I need thread pools? In daily development, we are prone to the followin ...