Oracle view, index, constraint, transaction, database paradigm

๐Ÿ… Programmer Xiao Wang's blog: Programmer Xiao Wang's blog ๐Ÿ… Welcome to like ๐Ÿ‘ Collection โญ Leaving a message. ๐Ÿ“ ๐Ÿ… If you have an editor's error and contact the author, if you have a good article, welcome to share it with me, I will extract the essence and discard the dross. ๐Ÿ… Learning route of java self-study: Learning route of ...

Posted by BigX on Thu, 10 Mar 2022 17:13:11 +0100

C + + learning notes

C + + learning notes (1) Siddhartha Rao, 21st day learning C + + (8th Edition) auto Auto auto inference type (new in C++11) //Initialization is required when using auto auto largeNumber = 25000000000000; //The compiler determines the appropriate value according to the initial value, which should be long long here auto iteration int ...

Posted by beginneratphp on Thu, 10 Mar 2022 17:09:08 +0100

When playing with roommates, the time of King glory, use c language to realize a three piece chess game (detailed explanation)

ย  catalogue ๐Ÿ‘ What is Sanzi ๐Ÿ‘ create a file ๐Ÿ‘ Game menu ๐Ÿ‘ Post selection ๐Ÿ‘ Create a game function ๐ŸŽ Create a chessboard ย  ย  ย  ย  ย ๐ŸŽ Chess player ย  ย  ย  ย  ย ๐ŸŽ Computer chess ย  ย  ย  ย  ย ๐ŸŽ Judge whether the chessboard is full ย  ย  ย  ย  ย ๐ŸŽ Judge whether to win or lose ๐Ÿ‘ What is Sanzi Sanzi is a kind of black and white chess. ...

Posted by neo777ph on Thu, 10 Mar 2022 16:56:09 +0100

Set set, Map set

catalogue 1, Set set 1. Operation method 2.set case II. Map() set 1. Operation method 2. Traversal of map() (1)for...of implementation traversal (2) forEach() traversal 1, Set set Set: a data structure similar to an array without duplicate values. Mainly used for Array de duplication , string de duplication. 1. Operation method ...

Posted by nemesis.2002 on Thu, 10 Mar 2022 16:47:01 +0100

Docker introduction private notes review and summary 4 - harbor shutdown and startup

Harbor is an enterprise level Docker private warehouse project. It is composed of multiple Docker Containers. The dependencies between containers are managed through Docker compose.1. InstallationPlease refer to the official document for installation: Harbor - Installation and Configuration GuideModify harbor When using YML, you should pay atte ...

Posted by abhi201090 on Thu, 10 Mar 2022 16:03:17 +0100

Common command operation of firewall of CentOS7 series

firewalld Introduction to firewalld firewalld is a daemon that can configure and monitor system firewall rules. It covers the settings of iptables, IP6 tables and ebtables. firewalld features The dynamic firewall function is realizedYou can communicate with firewalld through DBus message system to request to open the network port, so as to ...

Posted by planethax on Thu, 10 Mar 2022 15:56:19 +0100

python+pytest interface automation - Determination of request parameter format

Before doing the interface test, we need to find out the details of the tested interface according to the interface document or packet capturing interface data, including the coding format of the request parameters, so as to send the request in the corresponding parameter format. For example, if the encoding method of the request body specified ...

Posted by friendlylad on Thu, 10 Mar 2022 15:24:27 +0100

Basic image operation and processing [Chapter 1 of computer vision]

I PIL:Python image processing library PIL(Python Imaging Library), which provides general image processing functions, has a large number of useful basic image operations, such as image scaling, clipping, rotation, color conversion and so on. The following will give specific examples of some PIL basic image operations. 1. Read an image and dis ...

Posted by TNIDBMNG on Thu, 10 Mar 2022 15:14:50 +0100

Home page - article list

Home page - article list # 1. Page layout # 1.1 head navigation bar 1. Using the navigation bar component 2. Insert button in navigation bar component textIcon 3. Style adjustment Width and heightBackground colorframeText sizeIcon size <template> <div class="home-container"> <!-- navigation bar --> <van-na ...

Posted by ryans18 on Thu, 10 Mar 2022 15:08:00 +0100

Kudu principle and related DDL

1. Introduction to kudu 1.1 what is kudu? Background: Before Kudu, big data was mainly stored in two ways; ย  Static data: Taking HDFS engine as the storage engine, it is suitable for high-throughput offline big data analysis scenarios.The limitation of this kind of storage is that the data cannot be read and written randomly.Dynamic ...

Posted by psychomossel on Thu, 10 Mar 2022 14:58:26 +0100