Keywords and reserved words Keywords are words that have significant meaning in SQL. Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special handling for use as identifiers such as table and column names. This may also apply to the names of built-in functions. Allow non-reserved keywords as identifiers without quotes. Reserved […]
Tag: version
MySql 8.0 version keywords
A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X | Y | Z A ACCESSIBLE (R) ACCOUNT action ACTIVE; added in 8.0.14 (nonreserved) ADD (R) ADMIN; became nonreserved in 8.0.12 AFTER AGAINST AGGREGATE ALGORITHM ALL (R) ALTER (R) ALWAYS ANALYSE; removed in 8.0.1 ANALYZE (R) AND (R) ANY ARRAY; added in 8.0.17 (reserved); became nonreserved in 8.0.19 AS (R) ASC (R) ASCII ASENSITIVE […]
Install cuda11.7+cuDNN8.6 deb version on ubuntu2004
Install cuda11.7 + cuDNN8.6 deb version on ubuntu2004 1. Graphics card driver installation 1.1 Check the driver version 2. Install cuda 2.1 Inspection before installation 2.2 Download CUDA11.7 2.3 Installation 2.4 Setting environment variables 2.5 detection 3.cuDNN installation 3.1 Download cuDNN8.6 3.2 Install cuDNN8.6 deb 3.3 Test cuDNN 3.4 Problem Description The tutorial refers to […]
From 1D to 2D: Array conversion tricks in JavaScript
Overview In JavaScript, we often need to convert a one-dimensional array to a two-dimensional array. This kind of operation is very common in fields such as data processing and visualization. This article will introduce two methods of converting a one-dimensional array into a two-dimensional array, hoping to help readers better understand this process. Method 1: […]
Create a Maven version of the Web project and package the war package
Create a Maven version of the Web project and package the war package Article directory Create a Maven version of the Web project and package the war package 1. Description 2. Operation 3. Generated pom.xml 4. The directory structure of the generated Web project 5. Create Servlet ① Create a java directory under the main […]
[Algorithm] Convert to Base -2 negative binary conversion
Article directory Convert to Base -2 negative binary conversion Problem Description: analyze the code Convert to Base -2 negative binary conversion Description of problem: Given an integer n, return the negative binary (base -2) representation of that integer as a binary string. Note that the returned string cannot contain leading zeros unless the string is […]
C/C++ realizes YUV420SP image conversion to RGB image
C/C ++ realizes YUV420SP image to RGB image #ifndef YUV420SP_TO_RGB_FAST_ASM_H #define YUV420SP_TO_RGB_FAST_ASM_H //#if __ARM_NEON #include <arm_neon.h> static void yuv420sp_to_rgb_fast_asm(const unsigned char* yuv420sp, int w, int h, unsigned char* rgb) { const unsigned char* yptr = yuv420sp; const unsigned char* vuptr = yuv420sp + w * h; int8x8_t _v128 = vdup_n_s8(128); int8x8_t _v90 = vdup_n_s8(90); int8x8_t […]
The latest python implements the questionnaire star brush questionnaire, Edge version
Recently, a friend asked me to write a questionnaire. I thought that my friend has been doing questionnaires recently (the smart verification code was copied from him), thinking that it is better to ask others than to ask yourself, so I made this code in two days. The code implements the answer of the single-choice […]
Strange AndroidStudio error–checkDebugAarMetadata–modified SDK version to 33 and successfully repaired
An Error Is Reported When Using Android Studio to Create a Program checkDebugAarMetadata: 6 issues were found when checking AAR metadata: 1. Dependency ‘androidx. appcompat:appcompat-resources:1.6.1’ requires libraries and applications that depend on it to compile against version 33 or later of the Android APIs. :app is currently compiled against android-32. Recommended action: Update this project […]
[Computer Vision 1]–Graphics preprocessing (color space conversion)
Article directory image preprocessing color space conversion RGB to HSV conversion HSV to RGB conversion RGB to CMYK conversion Image preprocessing Computer vision image preprocessing refers to a series of processing and conversion of images before image processing, so as to better perform subsequent image processing and analysis. Its main purpose is to enable images […]