Tag: The operating system

reading

Ali Cloud Zhou Source: an article to understand the evolution of four generations of video encryption technology

January 30, 2024

by 賈淑貞

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At the LiveVideoStackCon Summit which just ended successfully, Zhou Yuan, senior technical expert of Ali Cloud, shared the theme of video encryption and DRM implementation...

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The back-end

Java Virtual Machine Architecture

January 30, 2024

by Tom Hooper

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Java is well known for supporting platform independence, security, and network mobility. The Java platform, which consists of Java virtual machines and Java core classes,...

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The back-end

Why can’t the Java heap be too small or too large

January 30, 2024

by Debra Sampson

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If the allocated heap is too small, the new generation and old generation will fill up faster, resulting in faster GC, and you may end...

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The back-end

How to implement the JVM ServerSocket

January 30, 2024

by Eva Barr

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The JDK provides the ServerSocket class as an implementation of a ServerSocket that allows a host to listen on a port to receive requests from...

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reading

Multithreading learning Notes

January 30, 2024

by Lisa Quinn

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Process is the program in the running process, just like wechat and QQ in the mobile phone running, these are called process. A thread is...

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The back-end

Efficient IO Solutions -Mmap “Get What You Want Fast”

January 30, 2024

by Robert Williams

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With the continuous progress of technology, computers are getting faster and faster. But disk IO speed often let tears, and memory reading speed has an...

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The back-end

3. Review of operating system Principles (DAY03)– Scheduling algorithm

January 30, 2024

by Dr. Kelly Bailey

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First come, first served (FCFS) 1.1. Overview of the algorithm idea: Mainly from the perspective of "fairness" (similar to the example of queuing to buy...

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reading

The BCH network-based decentralized crowdfunding platform Lighthouse. Cash was launched

January 30, 2024

by Alex Hall

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Bitcoin.com recently reported on Lighthouse. Cash, a decentralized crowdfunding platform based on the BCH network. The project was started years ago by Mike Hearn, but...

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reading

You’ve always wanted to start a product, but did you, like the founders of Comfy Read, initially develop a product as a solution to your own problems?

January 30, 2024

by Rachael Cole

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I wanted to send web articles from my iPhone or iPad to my Kindle, and to do so, I wrote an ios-based application called Comfy...

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The back-end

What is the difference between user mode and kernel mode

January 30, 2024

by James Knight-Boon

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For those of you who don't know about kernel-mode and user-mode, when will we mention these two concepts? For example, our application needs to read...

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ios

IOS multithreading: PThread and NSThread

January 30, 2024

by Edward Copeland

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You need to manually handle transitions between thread states and manage the lifecycle. For example, this code creates a thread but doesn't destroy it. The...

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reading

Relearn operating system file management

January 30, 2024

by Evan Flowers

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File management is one of the functions of the operating system. Because the system memory is limited and cannot be stored for a long time,...

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reading

Lua Complete Self-study Manual

January 30, 2024

by Lauren Short

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Lua is a small scripting language. A team of researchers at the Pontifical Catholic University of Rio de Janeiro in Brazil By Roberto Ierusalimschy, Waldemar...

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android

Go deep into SQLite and catch all “dangerous operations”

January 29, 2024

by Billy Mason

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Sqlite Database is a relatively stable and lightweight small Database, unlike mysql, Oracle and other databases with a separate server process. Sqlite-based reads and writes...

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ios

URL Schemes

January 29, 2024

by Sahil Sant

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URL Schemes have been around for a long time on iOS. For users of sandbox iOS, URL Schemes are unavoidable if they want to achieve...

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The back-end

Introduction to Computer Composition – Memory and IO Systems part 1

January 29, 2024

by Madeline Brooks

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Registers: We can think of the CPU as the "brain" of the computer. The things we think about are like the registers in the CPU....

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The code of life

Microcomputer Principle and Computer Interface Technology Review Notes (I)

January 29, 2024

by 尹哲瑋

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Information is an important carrier in computer, which is divided into numerical data and non-numerical data. Numerical data are the numbers we see in our...

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The back-end

Introduction to Computer Composition – Memory and IO Systems part 2

January 29, 2024

by 李雅玲

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Computers did not have hard disks in the early days. The entire operating system is installed on a 5 - or 3.5-inch floppy disk. Later,...

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reading

How do I install multiple Linux distributions on a USB flash drive

January 29, 2024

by Tamara Miller

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This tutorial shows you how to install multiple Linux distributions on a usb flash drive. This way, you can enjoy multiple live Linux distributions on...

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android

Compile Android source code in Ubuntu 18.04 (virtual machine) environment

January 29, 2024

by Amelia Jackson

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Make sure you have a git. 64-bit operating system that can only build up to 2.3.x. If you want to build up to 2.3.x, you...

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The back-end

Operating system written in Rust | tsinghua rCore OS tutorial

January 29, 2024

by 喬彥廷

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As we all know, the operating system course of Tsinghua University is a national excellent course. Tsinghua University is also the first university in China...

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android

MIUI11 system detailed card brush development version to obtain Root super permission steps

January 29, 2024

by Stephanie Parks

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The official forum provides two different systems, they are the stable version and the development version, the stable version does not provide root permission management,...

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reading

MIT 6.s081 Lab3 Page tables

January 29, 2024

by Ricky Kerr-Fletcher

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This experiment only needs to be modified in the kernel folder, mainly in proc.c, vm.c and defs.h files. You need to read the reference materials...

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The back-end

Fundamentals of Computer Networks (I)– An overview of computer networks

January 29, 2024

by Lauren Short

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Private network (a network set up by certain departments or individuals to meet specific business needs. At the top are the backbone ISPs, which include...

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reading

MacBook Pro reinstallation system problem “Failed to create preboot file for APFS installation”

January 29, 2024

by Edward Goddard

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Reinstalling the system is a common thing you do on a Mac. If your computer is slow because it has been used for a long...

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reading

Operating system Experiment 6: Introduction to OS161

January 29, 2024

by Ethan Mitchell

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Experimental purposes 1. BefamiliarwithSubversion (SVN) andGDB (theGNUDebugger) 2. SetupyouraccounttoworkonOS1613. Understand

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reading

Java Concurrency practices (vii) Cancel and close

January 29, 2024

by Steven Smith

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An operation can be cancelable if external code can put it in the "done" state before it completes normally. User cancellation request: A user clicks...

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The back-end

How are atomic operations implemented?

January 29, 2024

by 白詩涵

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Atomic manipulation is a very familiar concept to us. From the user's perspective, you can improve program performance by replacing heavyweight lock synchronization with atomic...

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The back-end

Hadoop pseudo-distributed environment of Linux operating system installation

January 29, 2024

by Mr. Maurice Page

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This article is a continuation of the hadoop Virtual Machine installation tutorial (with graphic steps). As explained at the beginning of this article, Hadoop installation...

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Artificial intelligence (ai)

Interview | in the AI medical hot track, ali in how to play?

January 29, 2024

by Denise Simmons

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Ai is a big arena these days, and it's important to know how the giants play. Among many tracks in this arena, AI Medical has...

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