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Get started with namespaces in 30 minutes

Course Intermediate 28412

Course Introduction：Namespace is the soul of modern PHP development framework, and mastering namespace is the most basic requirement for learning framework development. This course uses extremely straightforward language to allow everyone to quickly master the core knowledge of namespaces in the shortest possible time.

Self-study IT network Linux load balancing video tutorial

Course Intermediate 11215

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 17559

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.

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vim is too colorful, don't use colors

vim is too fancy. I want it to be simple, without any color, and all fonts should be white. How can I do this?

2017-05-16 16:33:50

Upload space

require PHP > 5.3.0! Appears after uploading space

2019-07-03 14:20:10

linux - fdisk-l has a large space, df -h has a small space

My system is Ubuntu 14.04 LTS. Enter the command df -h, and the display is as follows: {code...} All the space adds up to only more than 20 G, which is no longer enough. When entering fdisk -l, the display is as follows: {code...} Please explain it to me and tell me how to extend the usage space to fdis...

2017-06-17 09:15:44

php namespace

Question: Why do I have to manually import the corresponding files in the same namespace when running the file after the namespace has been declared? For example: I have three separate class files in the same folder that do not conflict with each other. The three class files are all declared in the same namespace, but when I run the file corresponding to class 1, if class 2 is used, A fatal error will be reported: Class 2 not found. Thank you.

2022-04-22 19:11:17

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PHP and Exif: How to get the color space information of a photo

Course Introduction：PHP and Exif: How to get the color space information of a photo Photographers, designers, and developers often need to know the color space information of a photo. Color space refers to a specification that defines how colors in an image are represented and displayed. In digital photography, common color spaces include sRGB, AdobeRGB, ProPhotoRGB, etc. In this article, we will explain how to use PHP and the Exif extension to obtain the color space information of a photo. What is Exif? Exif(Exchang

2023-07-30 comment 0 1546

How to achieve color space conversion in php

Course Introduction：How to implement color space conversion in PHP: first create a PHP sample file; then create "HSL, HSV, RGB color space"; finally implement conversion through methods such as "protected function tearDown(){...}".

2021-07-22 comment 0 1673

How can I improve red color detection in OpenCV using HSV color space?

Course Introduction：Enhanced Red Color Detection Using OpenCVIntroductionWhen dealing with the detection of red color using OpenCV and HSV color space, it can be...

2024-11-16 comment 0 821

How to convert image color space using PHP and OpenCV libraries

Course Introduction：Method of image color space conversion using PHP and OpenCV libraries. With the continuous development of computer image processing, image color space conversion has also become an important task. In many image processing applications, images need to be converted from one color space to another for subsequent processing or analysis. In this article, I will introduce how to use PHP and OpenCV libraries to implement image color space conversion. First, make sure your system has PHP and OpenCV libraries installed. If not installed,

2023-07-17 comment 0 827

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