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Author: Simo

[Data Structure] Stack Surface Test – Two queues implement a stack

The last article wrote about using two stacks to implement a queue. This article implements using two queues to implement a stack. In fact, the ideas of both almost the same.

Continue drawing

October 15, 2021By Simo Data Structure Data Structure, interview, one, Question, queue, realization, stack, twoLeave a Comment

[Data Structure] Creation and Traverse of Binary Trees

#include #include #include #include #define OK 1#define ERROR 0#define TRUE 1#define FALSE 0#define MAXSIZE 100 /* Initial allocation of storage space*/typedef int Status;typedef char TElemType; /*

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

Compile and install MONO on CentOS – cannot pass ‘make’

The basic instructions for installing Mono are:

tar xzvf mono-X.XX.tar.gz; cd mono-X.XX
. /configure –prefix = /usr/local;make; make install

So I downloaded the latest version from htt

October 15, 2021By Simo Centos centos, compile, installation, make, mono, passed, UnableLeave a Comment

Qt, qurl, qurlquery: Special character is encoded in the query string

I created a URL query like this:

QString normalize(QString text)
{
text.replace(“%”, “%25”);
text.replace(“@”, “%40”);
text.replace(“‘”, “%27” );
text.replace(“&”, “%26”);
text.rep

October 15, 2021By Simo Character character, code, Medium, QT, query, qurl, qurlquery, special, stringLeave a Comment

Kubeadm is highly available in Kubernetes 1.15.1

Role

Host preparation:
1. Install necessary software and upgrade all software

yum -y install vim-enhanced wget curl net-tools conntrack-tools bind-utils ipvsadm ipset
yum -y update 2.

October 15, 2021By Simo Centos 1.15.1, available, high, Kubeadm, KubernetesLeave a Comment

GRAILS – WAR packaging error: The encoded string is too long

I use grails 2.3.6 and I get the following error during execution

grails dev war Error:

|Compiling 84 GSP files for package [test]
.Error
|
WAR packaging error: encoded string too long : 79912 bytes How can I prevent this error?

I use grails 2.3.6 and I get the following error during execution

October 15, 2021By Simo Character code, error, Grails, Packaging, string, too long, WarLeave a Comment

[Data Structure] The rotation and insertion of the AVL tree

AVL tree

Left single rotation

Code implementation

void _RotateL(Node* parent) {Node* subR=parent->_right; Node* subRL=subR->_left; Node* ppNode=parent- >_parent; subR->_left=paren

October 15, 2021By Simo Data Structure AVL, Data Structure, insertion, rotation, TreeLeave a Comment

[Data Structure] Delete, Insert, and Finding of Binary Search Tree

The meaning of a binary search tree is that the value of each left child in this binary tree is smaller than its parent node, and the value of each right child is smaller than the parent node An or

October 15, 2021By Simo Data Structure Data Structure, delete, Find, Fork, INSERT, search, Tree, twoLeave a Comment

[Data Structure] hash table

HashTable-Hash Table/Hash Table is a data structure that directly accesses the memory storage location based on the key.
It uses a key value function to map the required data to the position in t

October 15, 2021By Simo Data Structure Data Structure, Hash, tableLeave a Comment

“Data Structure” Chapter 1: Introduction Thinking

October 15, 2021By Simo Data Structure Data Structure, first chapter, Guide, Introduction, Map, thinkingLeave a Comment

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