I have a program that freezes (especially sql developers), and there are some unsaved files in it. I use sysinternal’s process explorer to create a dump file before terminating the process. I Reall
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 .
[Data Structure] AVL tree detailed
1. What is an AVL tree? AVL tree is also called balanced binary search tree. It can ensure the relative balance of the height of the binary tree, reduce the height of the binary tree as much as po
CentOS configuration soft RAID
Install dmadm
fdisk -l view disk information, 6 A 100GB disk, namely /dev/sdb, /dev/sdc, /dev/sdd, /dev/sde, /dev/sdf, /dev/sdg
Create raid5, two hot spare disks
-C create Raid
-v display
[Data Structure] bitmap
Bitmap
#pragma once#include#includeusing namespace std;class BitMap{public: BitMap(size_t range) {_bitMap.resize((range>>5) +1);} void Set(size_t x) { size_t index=x>>5; size_t num =x%32; /*s
Do not install CentOS? Not anxious ~ After reading you, you will be (pure life, another remote management method)
In this blog, I will lead you to install Centos 7 in the virtual environment of VM 14 (7 is the latest Centos system) and can realize remote connection through Xshell 6 (a remote control software).
Qt’s QDIR: File Name Delete Non-ASCII characters
I have a problem that QDir loses non-Ascii characters from my file name.
My file name is testingöäüß.txt or exampleΦ.shp , When trying to use Qt utilities such as QDir and QFile, they only sh
Unicode – Combined with the nature of vagada
For combining diacritics, are they counted as letters? Because, as far as I know, they can only be combined with other letters in well-formed Unicode.
The ICU function used to determine wheth
[Data Structure] Establish Hufman Tree by Pile
Build a heap
#pragma once #include #include using namespace std;// Small pile templatestruct Less{ bool operator() (const T& l, const T& r) {return l struct Greater{ bool operator() (const T
[Data Structure] Recurrence and non-recursion of the binary tree
The test cases used in the code below are drawn as a tree and look like this:
When creating the tree, the array is given, and’#’ represents an illegal value , That is, the node is empty.
<
UTF8_BIN with UTF8_GENERAL_CI. Which sort rule provides faster performance in the MySQL table?
I use the’id’ field – char(22) as the primary key of the MySQL table.
This field is only used to filter unique IDs when adding new users to the table.
For me, it is not important to use utf8