mysql数据库连接代码
mysql教程数据库教程连接代码
$cn = mysql_connect('localhost','root','root');
if( $cn )
{
die('数据库连接成功');
}
else
{
die('连接失败');
}

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After rain in summer, you can often see a beautiful and magical special weather scene - rainbow. This is also a rare scene that can be encountered in photography, and it is very photogenic. There are several conditions for a rainbow to appear: first, there are enough water droplets in the air, and second, the sun shines at a low angle. Therefore, it is easiest to see a rainbow in the afternoon after the rain has cleared up. However, the formation of a rainbow is greatly affected by weather, light and other conditions, so it generally only lasts for a short period of time, and the best viewing and shooting time is even shorter. So when you encounter a rainbow, how can you properly record it and photograph it with quality? 1. Look for rainbows. In addition to the conditions mentioned above, rainbows usually appear in the direction of sunlight, that is, if the sun shines from west to east, rainbows are more likely to appear in the east.

One of the major changes introduced in MySQL 8.4 (the latest LTS release as of 2024) is that the "MySQL Native Password" plugin is no longer enabled by default. Further, MySQL 9.0 removes this plugin completely. This change affects PHP and other app

Creating a MySQL table using PHP requires the following steps: Connect to the database. Create the database if it does not exist. Select a database. Create table. Execute the query. Close the connection.

Since the launch of ChatGLM-6B on March 14, 2023, the GLM series models have received widespread attention and recognition. Especially after ChatGLM3-6B was open sourced, developers are full of expectations for the fourth-generation model launched by Zhipu AI. This expectation has finally been fully satisfied with the release of GLM-4-9B. The birth of GLM-4-9B In order to give small models (10B and below) more powerful capabilities, the GLM technical team launched this new fourth-generation GLM series open source model: GLM-4-9B after nearly half a year of exploration. This model greatly compresses the model size while ensuring accuracy, and has faster inference speed and higher efficiency. The GLM technical team’s exploration has not

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

The expansion of the virtual market is inseparable from the circulation of virtual currency, and naturally it is also inseparable from the issue of virtual currency transfers. A common transfer error is the address copy error, and another error is the chain selection error. The transfer of virtual currency to the wrong chain is still a thorny problem, but due to the inexperience of transfer operations, novices often transfer the wrong chain. So how to recover the wrong chain of virtual currency? The wrong link can be retrieved through a third-party platform, but it may not be successful. Next, the editor will tell you in detail to help you better take care of your virtual assets. How to retrieve the wrong chain of virtual currency? The process of retrieving virtual currency transferred to the wrong chain may be complicated and challenging, but by confirming the transfer details, contacting the exchange or wallet provider, importing the private key to a compatible wallet, and using the cross-chain bridge tool

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