In MySQL, how to specify that an existing user name can only access one or more databases, and other database restrictions cannot be accessed

Question 1: Title, just want to let the specified user name read authorization of the specified database, how to implement it? Question 2: There are many members of the site, there are now want to outsource some of the site features to third-party

Change the CMS, how to put the previous system in the database of the article migrated.

Before Akcms do the back-end CMS system, with a large six months, now to migrate to WordPress, now the database should have thousands of articles, how to migrate them from the database, not to disrupt the structure? Front end, was commissioned to

After the mirrored storage is configured with the target domain name, the access parameters are not brought up. Is there any way to do it?

The domain name before mirroring Http://flowerpassword.sinaapp.com/html/image.php?filetype=JPEG&dpi=72&scale=1&rotation=0&font_ Family=arial.ttf&font_size=10&text=15651256113&thickness=30&code=bcgcode11 Configure the domain name after mirroringhttp:

Permissions ACL or RBAC?

By assigning a permission ID to each link, when you have this ID, it means that you can access it, which is called an ACL? Or is it nothing? More and more confused ~ ~ Beg for explanation. Better be a little more detailed. Reply content: By

The M of PHP MVC should be the business logic method to be called by C, or the method of accessing the database?

Or is the two included here? Reply content: Or is the two included here? Personally feel that if the business is not complex, the business logic written in the model layer, C-level only write simple scheduling ...Once a lot of code and logic

How the table structure for storing chat records is designed

How to design a database to store chat records, the data roughly include: Message Send time Sent by Accepted by Message ID, unique Message type: text, picture, etc. Message content How the data sheet should be designed, thank you. Reply content:

Vue.js How to package components in Laravel

I use Bower to install vue.js in the public directory Using the introduction vue.js The following code is encapsulated in a blade template: I think in the Blade Template Package component template is too bloated, there is no way to separate

PHP Arithmetic problems

Just test it. Test your jquery skills!jquery quiz with jquery reference manual on W3cschool ... Mobile version rookie family (group number: 365967760) category navigation html/css HTML Tutorial HTML5 ... Reply content: Just test it.Test your

Seven Qiniu storage-I uploaded a file with a form to seven kn, he returned a few values, how can I get the download address (in PHP)?

Make a simple form upload file, how to get the download address in PHP, I am a rookie Reply content: Make a simple form upload file, how to get the download address in PHP, I am a rookie PHP get download outside the chain demo, you can

When is it appropriate to generate a red envelope?

Demand: Add red envelope activity backstage. Important parameters are (total amount, number of times allowed to be forwarded, number of red packets to be generated per forwarding) Front-desk user forwarding, each person forwarded once, to have a

PHP returns JSON exception

json_encode($rst)An unknown character appears before the JSON returned by the function ���{"status":"ok"} Causes parsing to fail and how to handle it? Reply content: json_encode($rst)An unknown character appears before the JSON returned by the

How does PHP convert some of the fields received from a form to a picture save?

Form received some of the fields, such as QQ number or something, after receiving the database saved in the same time, and then converted to a picture to save a copy, what is the tool pack or something? Reply content: Form received some of the

Laravel5 Resource Routing questions, the most basic problem

Route::resource('admin/category', 'Admin\CategoryController'); Defines the above route, now I want to delete the data, how to enter the Destroy method Reply content: Route::resource('admin/category', 'Admin\CategoryController'); Defines the

A little doubt about the inverse three paradigms of the data table?

A simple question: Article Classification table: article_type(id, name, pid, num) This num is the number of articles in this category, which I've been doing before, updating the fields of the corresponding categories when adding articles or

javascript-mysql--How does an SQL statement query the list of user and user items?

I'm going to write a SQL to find all the user arrays, and then the Foreach Loop this array takes the ID to check all of his product data, there is no better way Reply content: I'm going to write a SQL to find all the user arrays, and then the

Regular Expressions-PHP regular problem

preg_match("/(? ).*?(?=)/", $html, $result); ErrorPreg_match (): compilation Failed:lookbehind assertion is a fixed length at offset 24Why is it?That's \s* there, isn't PHP's regular writing like this? Reply content: preg_match("

The PHP array is written into the table and the table is messed up.

has an array$row =array ("username" + "admin" "Mail" = "admin@admin.com" "id" + "1")I want to output it. echo " ";echo " ";echo " ".$row['id']."";echo "

is a float in PHP the same as a double?

is not real,float,double in PHP refers to the same thing. Reply content: is not real,float,double in PHP refers to the same thing. Although PHP is a weakly typed language, there are still types!In the official documentation, all the types

What are the associated model problems that occur in Thinkphp+mysql?

I have defined a relational table Memberschool, which contains the fields college_id,senior_id,major_id There's another three tables college,senior,major. This is the code I used to query the language $memberSchool =

JavaScript-control of waterfall flow return

Normal waterfall streams use AJAX requests to return JSON data, using history.replacestate to change the URL's page parameter after each request, JQuery (document). Ready (function ($) {}); There is a default load of the first set of waterfall flow

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