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Category: OS

Operating System (Operating System, referred to as OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on the “bare metal”. Any other software must be supported by the operating system to run .

How to encode memory map?

I was asked to write this memory map:

I also got this structure:

struct product {
char *name; double price;
int stock_count;
};
typedef struct product PRODUCT; I don’t have to write a

October 15, 2021By Simo CharacterLeave a Comment

[Data Structure] Finding of Binary Trees and Calculation of Knights

The previous blog has basically introduced the basic algorithm of the binary tree. This article mainly introduces the search of nodes in the binary tree and the number of subtrees in the Kth row.

October 15, 2021By Simo Data Structure and first, binary tree, Calculation, Data Structure, lookup, Number, Row, TreeLeave a Comment

[Data Structure] – surrounding the two-fork tree

[Background]

The third stage of learning “Introduction to Data Structure” is almost the same It’s about to end. When doing the question, I will suddenly find out, oh, it turned out to be so.

October 15, 2021By Simo Data Structure binary tree, Data Structure, method, surround, traversalLeave a Comment

HDU 5775 Bubble Sort [Array] [Data Structure]

Subject link: http://acm.hdu.edu.cn/showproblem.php?pid=5775

——————— ————————————-.
Bubble Sort

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Tota

October 15, 2021By Simo Data Structure array, Bubble, Data Structure, HDU, SORT, TreeLeave a Comment

Coded-Ui-Tests – Error: “The value cannot be empty. Parameter Name: Smallicon” When creating a code UI test item (UWA)

I am trying to use yesterday (June 28, 2016) MS Visual Studio Professional 2015 version 14.0 update to create a “Coded UI Test Project (Universal Windows)” project when an error dialog box appears

October 15, 2021By Simo Character code, Coded, Created, empty, error, Name, parameters, project, Smallicon, test, Tests, time, UI, UWA, valueLeave a Comment

Unicode and Android NDK

Is there a way to use UTF-8/16 strings in NDK without including multi-megabyte libraries such as ICU? Is ICU built into Android? If you use the default build (including all this, hundreds of cod

October 15, 2021By Simo Character Android, NDK, UnicodeLeave a Comment

[Data Structure] Basic Knowledge of Binary Tree

Total number of branches = number of summary points-1

Number of leaf nodes = number of double branch nodes + 1

Preface Traversal: Root left and right

Mid-order traversal: left roo

October 15, 2021By Simo Data Structure binary tree, Data Structure, foundation, KnowledgeLeave a Comment

CentOS 7 installation detailed steps

VMware install centos 7 Preliminary preparation:
1. VMware virtual machine software ( 15x is used)
2. CentOS-7-x86_64-DVD-1810.iso span> 1. Install VMware virtual machine Software omitted Second,

October 14, 2021By Simo Centos centos, detailed, installation, stepsLeave a Comment

CentOS6 startup process

Why put the reference of this person in front, mainly this person The big guy’s flow chart is too detailed. Although it is not necessary to understand such details, I still admire it. Not much to s

October 14, 2021By Simo Centos centos, Centos6, process, startupLeave a Comment

CentOS foundation configuration

1. User switching command. The current ordinary user logs in. If you want to switch to the root user, you need to enter the command # su; if you want to switch from the root user to the ordinary us

October 14, 2021By Simo Centos centos, configuration, foundationLeave a Comment

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