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Tag: chrome-devtools

javascript

storage

December 15, 2023
by Kimberly Frazier
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Cookie {code... } localStorage and sessionStorage {code... } localStorage (sessionStorage) {sessionStorage (sessionStorage)} }
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The front end

How to use and where?

December 15, 2023
by Judith Smith-Potter
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We often use join related statements to make associative queries. What happens to the result when on is combined with and and where? JOIN ON,...
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The front end

Log file sync

December 15, 2023
by Kevin Rodriguez
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When a user session (the foreground process) commits (or rolls back), the session's redo information needs to be brushed into the redo log file. The...
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The front end

Extract data from Oracle using GoldenGate to Kafka

December 14, 2023
by Tanya Krishnamurthy
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1.1 Install OGG software. Mgrport 7810 DynamicPortList 7811-7914 AutoRestart Replicat DPE *, Waitminutes 1, RETRIES 5AUTORESTART REPLICAT ext*, WAITMINUTES 1, RETRIES 5PURGEOLDEXTRACTS /home/ogg/kafka_ogg/dirdat/kf*,USECHECKPOINTS, minkeephours...
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javascript

ORADE BY data collation

December 14, 2023
by Akarsh Ahluwalia
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If a statement uses an ORDER BY clause, then the database does not perform literal replacement in the clause because it is not semantically correct...
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The front end

How can Lock replace synchronized

December 14, 2023
by 楊志宏
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In multithreading, prior to version 1.5, we used blocks of code or methods to address thread-safety issues such as synchronized(lock object){function code; Public Synchronized void...
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The front end

Oracle creates the database manually

December 14, 2023
by Nakul Mammen
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1. Create a folder. (according to just/u01 / app/oracle/admin/in the former, We also create) $mkdir -p/u01 / app/oracle/admin/mydb/adump $mkdir -p/u01 / app/oracle/admin/mydb/bdump $mkdir -p /...
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node.js

WebGL triangle drawing

December 14, 2023
by Dr. Angela Moran
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< canvas id="myCanvas" width="400" height="400"> < /canvas> var canvas = document.getElementById('myCanvas')var gl = canvas.getContext('webgl')var program = gl.createProgram()var VSHADER_SOURCE, FSHADER_SOURCE
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The front end

Application of OS module

December 14, 2023
by 李嘉玲
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1. OS module for file and directory processing directory: is the folder property: os.name: view the current system type; If it is Windows -- >...
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javascript

ES6 symbol public symbol

December 14, 2023
by Sheila Davis
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Metaprogramming refers to the programming that takes the operation target as the behavior characteristic of the program itself. In ES6, the type symbol is added....
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The front end

Redis slow query log

December 14, 2023
by 鄧宗翰
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Redis Slow Query Log helps developers and operations staff locate slow operations that exist in the system. Slow query log is that the system calculates...
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vue.js

Rules for using MySQL triggers

December 14, 2023
by Megan Miles
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Triggers can trigger other SQL code to run before or after a statement is executed. The trigger can read what data has been changed by...
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