PHP can connect to the database but cannot create database, how to solve it? Paste the code first: PHP code I wrote this code under zend, the running environment is WAMP, and the running result is successERROR, which means there is no problem connecting to the database, but there is an error when executing CREATE DATABASE hello. I don't understand what's going on, please give me some advice. ------solution-------------------- Check to see if you have permission to create a database ------Solution--------------------You change echo "ERROR"; to echo mysql_error(); and you don't need any "meaning" 1. PHP can connect to the database but cannot create database. How to solve the problem? Introduction: PHP can connect to the database but cannot create database. How to solve the problem? Paste the code first: PHP code
1. 5 recommended articles about mysql_errno()
Introduction: PHP can connect to the database but cannot create database, how to solve it? First post the code: PHP code, I wrote this code under zend, the running environment is WAMP, the running result is successERROR, which means there is no problem connecting to the database, but there is an error when executing CREATE DATABASE hello. I don't understand what's going on, please give me some advice. ------Solution--------------------See if you have permission to create a database...
2. Recommended 10 articles about the mysql_errno() function
##Introduction: PHP can connect Database but cannot create database, how to solve it? First post the code: PHP code, I wrote this code under zend, the running environment is WAMP, the running result is successERROR, which means there is no problem connecting to the database, but there is an error when executing CREATE DATABASE hello. I don't understand what's going on, please give me some advice. ------Solution--------------------Check if you have permission to create a database-----...
3. 10 recommended content for Label control
Introduction: For To describe the problem clearly, let's first look at an example. In this example, there is a button on the WinForm. When the user clicks the button, an existing Assembly will be loaded, and the FullName of the Assembly will be displayed on the Label control of the interface. Friends who are a little familiar with Reflection know that this is a very simple thing. You only need to use the Assembly.LoadFile method to obtain the Assembly, and then use the FullName attribute to display it, such as the following...
4. Summarize the points to note about loading and unloading
Introduction: In order to solve the problem To describe clearly, let’s look at an example first. In this example, there is a button on the WinForm. When the user clicks the button, an existing Assembly will be loaded, and the FullName of the Assembly will be displayed on the Label control of the interface. Friends who are a little familiar with Reflection know that this is a very simple thing. You only need to use the Assembly.LoadFile method to obtain the Assembly, and then use the FullName attribute to display it, such as the following...
5. Recommend 10 AppDomain source codes (collection)
Introduction: In order to The problem is clearly described, let's look at an example first. In this example, there is a button on the WinForm. When the user clicks the button, an existing Assembly will be loaded, and the FullName of the Assembly will be displayed on the Label control of the interface. Friends who are a little familiar with Reflection know that this is a very simple thing. You only need to use the Assembly.LoadFile method to obtain the Assembly, and then use the FullName attribute to display it, such as the following...
6. Summary of 10 basic drawing usage example tutorials
Introduction: Pseudo classes and pseudo elements are independent of the document structure. The way they obtain elements is not based on basic element characteristics such as id, class, and attributes, but on elements in a special state (pseudo-classes), or on special content in the elements (pseudo-elements). The differences are summarized as follows: CSS pseudo-classes (Pseudo-classes): used to add special effects to certain selectors, that is, add special effects (usually dynamic effects) based on the current static style of the element, so an element When it reaches a specific state, it may get a pseudo-class style; when the state changes...
7. Recommended articles about bootstrap.js
Introduction: This article mainly introduces a detailed explanation of how to introduce bootstrap.js in the advanced version of Yii2, which has certain reference value. , interested friends can refer to it. In frontend/assets/AppAsset.php code sample namespace frontend\assets;use yii\web\AssetBundle;/** * Main frontend...
8. 10 recommended articles about testing framework
##Introduction: This article gives you a brief introduction The installation and simple usage of mocha, the most commonly used testing framework in NodeJS, supports running Javascript code tests directly on the browser. The most commonly used testing framework recommended here is mocha. It supports a variety of node assert libs, supports both asynchronous and synchronous testing, supports multiple ways to export results, and also supports running Javascript code tests directly on the browser. Most of the examples in this article are from the official website examples, part...
9. Detailed introduction to parameter tuning
Introduction: nginx parameter tuning worker_processes 3; //The number of cpu cores is -1, the effect is better when used #worker_processes 4;#worker_cpu_affinity 0001 0010 0100 1000;# error_log logs/error.log;#error_log logs/error.log notice;#error_log logs/error.log...
10. 10 recommended articles about sizeof
Introduction: 1. Introduction In the previous article, we created a window from scratch. One of the most important steps is to register the window class, as shown in the following code: //Register window class BOOL Register(LPSTR lpClassName, WNDPROC wndProc){ WNDCLASSEX ...
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