Counting sort is a sorting algorithm with a time complexity of O(n), which was proposed by Harold H. Seward in 1954. When sorting a range of integers, its complexity is O(n + k) (where k is the range size of integers). Pseudo counting sort We need to sort an array where each element is an […]
Bean copy component (annotation driven) solution design and implementation
1. Background The process of data flow between each layer should be changed, the number of field attributes, attribute names (generally unchanged, but there are also cases of changes during reconstruction), type names (common changes such as BO, VO, DTO). For the converted business objects, the original method is to directly fill in the instances […]
[Comprehensive explanation of Linux commands] 116.umount command: a practical tool for unloading a loaded file system
Article directory umount Additional information grammar Options parameter Example Learn `python` from scratch umount Used to unmount a mounted file system Supplementary instructions The umount command is used to unmount a mounted file system. You can umount the file system using the device name or mount point, but it is best to unmount it through […]
[Comprehensive explanation of Linux commands] 123.SSH-Add and Useradd: Linux commands for managing users and keys
Article directory ssh-add Additional information grammar Options Example useradd Additional information grammar Options parameter exit value document Example Learn `python` from scratch ssh-add Add the private key to ssh-agent’s cache. Supplementary instructions The ssh-add command adds a private key to the ssh-agent’s cache. This command is located in /usr/bin/ssh-add. Grammar ssh-add [-cDdLlXx] [-t life] [file […]
[Comprehensive explanation of Linux commands] 120. Master the badblocks command and check hard disk bad sectors in time
Article directory badblocks Additional information grammar Options parameter Example other Learn `python` from scratch badblocks Find corrupted blocks on disk Supplementary instructions The badblock command is used to find damaged blocks on the disk. The hard disk is a wear-and-tear device, and physical failures such as bad sectors may occur after being used for a […]
[Comprehensive explanation of Linux commands] 121. Practical tips for using the dd command to copy and convert files
Article directory dd Additional information grammar Options Example Generate random string Learn `python` from scratch dd The dd command is used to copy files and convert and format the contents of the original files. Supplementary instructions The dd command is used to copy files and convert and format the contents of the original files. The […]
[Comprehensive explanation of Linux commands] 124.e2fsck: Tool for checking and repairing the second extended file system
Article directory e2fsck grammar Options parameter Example Learn `python` from scratch e2fsck e2fsck is used to check the integrity of the second extended file system and try to fix errors with the appropriate options. The returned value after execution and its representative meaning are as follows: 0 No errors occurred. 1 A file system error […]
[Comprehensive explanation of Linux commands] 128. How to create, set up and manage SWAP swap partitions
Article directory mkswap Create and set up SWAP swap partition Additional information grammar Options parameter Example Learn `python` from scratch mkswap Create and set up SWAP swap partition Supplementary instructions The mkswap command is used to create a swap partition on a file or device. After creation, use the sawpon command to start using this […]
Shock! In addition to playing Landlord in IDEA, I also want to play Monopoly! vscode also arranges one
1. Introduction Originally, some time ago, around March or April, I found this plug-in xechat-idea when I was fishing. You can fish, fight landlords, chat, etc. in idea. The project address is https://github.com/anlingyi/xechat-idea , QQ group number 754126966 Then I tried to develop two games, one was Monopoly and the other was UNO (Both of […]
Panorama of NLP machine translation: full analysis from basic principles to technical practice
Directory 1. Introduction to machine translation 1. What is machine translation (MT)? 2. Source language and target language 3. Translation model 4. The importance of context 2. Rule-based machine translation (RBMT) 1. Formulation of rules 2. Dictionary and vocabulary selection 3. Limitations and Challenges 4. PyTorch implementation 3. Statistical Machine Translation (SMT) 1. Data-driven 2. […]