Suppose we now have a very For large arrays, two operations must be performed repeatedly for the numbers in the array.
1, (query) randomly select an interval in this array, and find the sum o
Author: Simo
Modify the UNICODE character of the next letter?
Many unicode characters will modify the appearance of the previous character. Have a
modify the following characters? No, unicode only supports modifiers after the protagonist. From definition
Debugging – extract Unicode text from dump files
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
[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