ADO interface _RecordsetPtr pointer

Original reference: ADO interface_RecordsetPtr-CSDN blog _RecordsetPtr smart pointer, which is a pointer specially set up for operating the database through the recordset. Through this interface, various operations can be performed on the records, fields, etc. in the database table. To be clear: the database and the ADO record set are two different concepts, two storage […]

jsp+servlet hospital appointment registration system based on javaweb+mysql (java+jdbc+jsp+mysql+ajax)

jsp + servlet hospital appointment registration system based on javaweb + mysql (java + jdbc + jsp + mysql + ajax) Private message Source code acquisition and debugging communication Operating environment Java≥8, MySQL≥5.7, Tomcat≥8 development tools eclipse/idea/myeclipse/sts, etc. can be configured to run Be applicable Course design, major assignments, graduation projects, project exercises, learning demonstrations, […]

PCL extracts point cloud boundary contour-AC method, plane contour

1. Overview PCL point cloud boundary feature detection (with complete code C++)_pcl calculates point cloud feature values_McQueen_LT’s blog-CSDN blog In terms of point cloud boundary feature detection (grid model boundary feature detection is already a deterministic problem, see grid model boundary detection), there is a method in PCL for point cloud boundaries that can be […]

HackTheBox-Starting Point–Tier 2—Vaccine

Article directory 1 Vaccine testing process 1.1 Management 1.1.1 FTP anonymous login 1.1.2 SQL injection 1.2 Privilege Elevation 2 Topics One Vaccine testing process 1.1 Management 1. Port scan nmap -sV -sC 1.1.1 FTP anonymous login 2.FTP allows anonymous login and found ftp Unzip, but a password is required: 3. Use […]

Pointer(2) – pointer in array

Summary of insights into programming learning, Record every moment of struggle, I hope it can help you who are also working hard! If there are any shortcomings, please correct me! Learn and communicate together! Welcome everyone → Like + Collection? + Leave a message? Since we have chosen a distant place, we only care about […]

threejs(13)-shader set point material

Shader material built-in variables The built-in variables of the three.js shader are gl_PointSize: In point rendering mode, controls the rendering pixel size of the square point area (note that this is the pixel size, not the three.js unit, so when the camera is moved, the size of the point seen on the screen remains unchanged) […]

Falling in love with C language: storage of integers and floating point types in memory (base conversion, original code, complement, complement and big and small endian)

Author: Ah Hui is extraordinary What do you think: Life is dull, but running is windy Column: Falling in love with C language Drawing tool: and open source drawing website) If you think the article is helpful to you, please like, follow, and collect to support the blogger. If there are any deficiencies, please […]

c/c++ pointers #2

Table of Contents Table of Contents 1: Arrays and pointers 1.1: Understanding array names 1.2: Using pointers to access arrays 1.3: The essence of array parameter passing 2: Secondary pointer 3: Pointer array 4: Array pointer 5: Character pointer 6: Function pointer 7: Array of function pointers 1: Array and pointer Definition: Pointer variables are […]