Course Intermediate  11329

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.

Course Advanced  17632

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.

Course Advanced  11344

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.

Course Introduction：The difference between usm lenses and stm lenses is: 1. USM lenses achieve focusing by driving the movement of lens elements, while STM lenses achieve focusing through tiny step movements; 2. USM lenses usually use ring-shaped ultrasonic motors, which can achieve full-time Manual focus, while STM lenses use linear motors or hybrid motors, which require electronic signals to achieve manual focus; 3. USM lenses are usually larger and heavier, while STM lenses are lighter.

2023-10-11 comment 0  15876

Course Introduction：The reasons and solutions for the CCD lens not being able to retract are: 1. The battery is not sufficient, make sure the camera battery is fully charged or replace it with a new battery; 2. Damage or obstruction of the gear system will cause the lens to be unable to be retracted, requiring professional repair or replacement of parts; 3. Friction or dust around the lens will hinder the normal operation of the lens, and it needs to be cleaned until the oil and lubrication of the lens is completely restored; 4. If the lens lock switch is enabled, the lens may not be retracted. You need to turn off the lock switch and then retract the lens. .

2023-06-15 comment 0  15343

Course Introduction：In video production, repeating a shot is a common technique. It can make the video more vivid and interesting and attract the audience's attention. Kuaiying is a powerful video editing software that provides many practical functions, including The function of repeating a shot. The following is an introduction to Kuaiying’s repeating shot function and how to use it. Kuaiying repeats a shot step introduction 1. First, we open Kuaiying, as shown in the figure below. 2. Click Clip, as shown in the figure below. 3. Select the video you need and click Finish, as shown in the picture below. 4. Find the initial shot you want to repeat and click Split, as shown in the picture below. 5. Find the ending shot and click Split, as shown in the figure below. 6. Select the shot that needs to be repeated and click Copy, as shown in the figure below.

2024-07-12 comment 0  925

Course Introduction：If the Canon camera lens cannot be retracted, you can try cleaning the lens, reinstalling the lens, restarting the camera, or seeking professional maintenance help to solve the problem. Detailed introduction: 1. Clean the lens, use professional camera lens cleaning fluid and soft cloth to clean the lens; 2. Reinstall the lens, ensuring that the lens is correctly aligned with the camera's lens interface; 3. Restart the camera and try to turn off the camera power. Then turn it back on; 4. For professional repair help, you can contact Canon's customer service center or send the camera to a professional camera repair shop for repair.

2023-10-11 comment 0  5124

Course Introduction：Friends who often use Douyin, have you ever seen that the camera in some videos zooms in and out, and when paired with music, you can achieve the effect of stepping on the spot? So how do you zoom in when shooting a video on Douyin? In fact, the method is very simple. Let’s take a look at how to zoom in and out of the Douyin camera. How to zoom in on TikTok? 1. Open the Douyin APP on your mobile phone and enter the homepage interface. 2. Click [+] at the bottom of the homepage interface. 3. After entering the shooting interface, press and hold the shooting button and slide up to zoom in. 4. Move your finger back to the circle to zoom out.

2024-03-13 comment 0  1221