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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11330

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17633

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11347

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Official team, please solve the bug

I use PHP version 5.4 of the PHP toolbox, and the verification code can be displayed, but it cannot be displayed when I switch to PHP version 5.6 or 7. What I tested was the verification code class that comes with the tp5 framework. What's going on?

2017-11-12 23:08:40

How to save a good verification code image locally in php?

Use PHP to draw login verification pictures. Since the pictures are taken locally, I don't want to return the picture in the form of a link. I want to name the drawn verification code picture, then save it to the specified path, and then return a local URL address. To the front desk, the front end directly inserts in <img src="url"/>...

2017-05-16 13:04:04

php 5.6 include php file directly outputs the file content without execution, and php5.2 will be normal.

As shown in the figure, the code for executing the file is as shown below. . . . As a result, the code in dbConfig.php is output directly to the browser. No analysis at all. Copy the code in dbConfig.php to the running php file. It is estimated that version 5.6 has upgraded the initialization and execution restrictions of the class. What do experienced heroes do?

2019-06-07 00:44:09

How to confirm whether the JS tracking script installed on the customer's website is effective?

We operate saas analytics applications similar to hotjar and googleanalytics. Customers need to install our javascript code on their website for us to track. How do we verify that this script was successfully installed and loaded on their website? (We know the domain name) The current method is to call an API from the script when it loads, the second method is to crawl the page to verify that the script exists. If the script loads successfully, it will go through an API post request. However, if the script is used on any test site

2023-08-10 15:00:12

Create copy link button in list with unique value - PHP and JavaScript

I'm writing my own WordPress plugin, which is why some of the code may look a little weird. But my problem is using plain old PHP. I have created a list of players, each player has a unique URL. I want to have a "Copy Link" button on each row/player. But I can't seem to get this to work. I don't want to update the site on copy, so I guess something like Ajax will need to be used. But I have no experience. I tried creating it using JavaScript but when I pass in the link (a string) it keeps printing an error. It prints:

2023-09-16 00:15:27

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Use and development sharing of customized PHP verification code

Course Introduction：In the last class, we introduced the use of PHP verification code style. I believe everyone already knows a lot about PHP verification code. The function of verification code is involved in many places. There are also many examples on the Internet. Everyone is also familiar with the production of verification code. The canvas is generated first, and then strings, straight lines, noise points, and borders are added to the canvas to generate the verification code. Today I will introduce you to the customized verification code!

2017-08-15 comment 0 1002

Beautiful PHP verification code class

Course Introduction：Beautiful PHP verification code class

2016-07-25 comment 0 1285

Production of simple php verification code

Course Introduction：Production of simple php verification code

2016-07-25 comment 0 962

A wrapper class for PHP verification code

Course Introduction：A wrapper class for PHP verification code

2016-07-25 comment 0 1031

Example of making PHP image verification code

Course Introduction：Example of making PHP image verification code

2016-07-25 comment 0 1079

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