-
Some netizens have reported that there is a crash issue on the homepage of Apple's Chinese official website
On May 15th, Whip Bull reported that many netizens reported a crash issue on the homepage of Apple's China official website, which is gradually recovering, indicating an error while executing this command. In addition to the homepage, the access to the homepage of the Apple Store online store is normal, and users can still purchase products such as the iPhone 14 series, Mac, and iPad normally...
Mobile Internet 2023-05-15 11:45:46 -
The performance is completely substandard, and the energy density of the Tesla 4680 battery is 13% lower than that of the 2170 battery
IT Home reported on May 14th that although Tesla CEO Elon Musk has been advocating for the benefits that 4680 batteries can bring, the 4680 batteries produced at this stage seem far from meeting theoretical performance indicators.@TroyTesla calculated based on the results of the Tesla Model Y endurance test released by the EPA, and found that the energy density of the 4680 battery used in a small portion of the standard endurance Model Y models in the United States is 13% lower than the 2170 battery commonly used by Tesla worldwide, with only 229Wh/kg (Texas produced 4680 batteries have a nominal capacity of 244Wh/kg, while the theoretical capacity can reach over 300Wh/kg)...
Mobile Internet 2023-05-14 10:23:21 -
Intel CEO Kissinger Releases an Open Letter: Strengthening Commitment to Responsible AI
Reported by NetEase Technology on May 12thRecently, Intel released the "2022-2023 Corporate Social Responsibility Report", while Intel CEO Pat Kissinger released an open letter.Kissinger stated in an open letter that the significance of technology for humanity has been fully verified...
Intelligent devices 2023-05-12 16:50:33 -
Detailed Explanation of SQL Statement Left JOIN Splicing Table
catalogue1. Grammar2...
Database Operation Tutorial 2023-05-12 12:13:34 -
Sql Server Management Implementation steps for Studio to connect to MySQL
targetGiven MySQL connection parameters (address and user), expect to use Microsoft; SqlServer Management Studio (hereinafter referred to as MSSSMS) connects to MySQL and directly queries or modifies data in MySQL in MSSSMS.realizationStep 1/4: Download and install MySqlConnector/ODBC at MySQL:: DownloadConnector/ODBCSelect the corresponding installation file based on the number of bits in the operating system...
Database Operation Tutorial 2023-05-12 12:13:01 -
SQLServer Index Fragmentation Query and Processing of Tables
1.2...
Database Operation Tutorial 2023-05-12 12:12:48 -
sql server The issue of not being able to fully utilize the number of logical cores in the CPU in 2016
Recently, I encountered a problem in my work where sqlserver2016 cannot fully utilize the CPU core. Through analysis tools, I can see that;There are a total of 72 CPU cores, but SQL Only 40 cores can be used, and many people have encountered this problem...
Database Operation Tutorial 2023-05-12 12:12:37 -
SQL Server Detailed steps for changing the default backup directory for databases
This article also applies to the latest version of SQL server 2008, 2016, 2019Open SSMSSelect Database, right-click, PropertiesSelect&quo; Permissions”, Click on&quo; View Server Permissions quo;Select&quo; Database Settings;, Modify&quo; Backup; Box PathNote: After changing the backup path of a database, it is valid for all databases. Please note that the final prompt indicates whether to save...
Database Operation Tutorial 2023-05-12 12:12:17 -
SQL Server judges whether there is summary for database, table, column, view, stored procedure and function
catalogue1 Introduction Overview2 Database related judgments2.1...
Database Operation Tutorial 2023-05-12 12:11:57 -
SELECT... Specific usage of INTO
catalogue1 SELECT… INTO Introduction2 SELECTINTOFROM statement3 The difference between select in from and insert in to select:From the official manual address of MySQL 5.71 SELECT… INTO IntroductionSELECT… INTO is used to store query results in variables or write them to files...
Database Operation Tutorial 2023-05-12 12:11:37 -
SQL Detailed explanation of server's row level security
catalogue1 Preface2 Description3 Permissions4 Security note: Side channel attack5 Cross functional compatibility6 Example1 PrefaceRow level security allows you to control access to rows in database tables using group membership or execution context.Row level security (RLS) simplifies security design and coding in applications...
Database Operation Tutorial 2023-05-12 12:11:21 -
SQL Server's execution plan
catalogue1 Background2 Display and Save Execution Plan3 Display estimated execution plan4 Display actual execution plan5 Save execution plan in XML format6 Compare and analyze execution plans6.1 Comparison of execution plans6...
Database Operation Tutorial 2023-05-12 12:11:18