Course Intermediate 10919
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 16876
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 10590
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.
2017-06-28 09:27:53 0 4 1385
2018-04-02 10:53:33 0 2 1744
wempserver, keeps showing yellow?
2020-03-08 15:32:28 0 0 1410
2017-06-12 09:32:10 0 1 800
Course Introduction:When we use the WiFi function of the computer, we will encounter some small problems, such as finding a red cross on the WiFi and being unable to connect to the network. So what should we do if we encounter this situation? Now I will share with you how to operate it. . win7wifi shows red cross connection is not available 1. First open the control panel of the computer. 2. In the control panel, we change the viewing mode in the upper right corner to small icons. 3. Here we find the management tool and open it. 4. Find the service column. 5. Find "BitLockerDriveEncryptionService", right-click and select Start.
2024-01-16 comment 0 1782
Course Introduction:What should I do if the characters on the LED display are red on a black background? What should I do if the characters on the LED display are red on a black background? 1. There is a problem with the wiring or it is loose. Before flashing, please replace the modules and control card cables one by one. You can try to use long cables to skip the modules before the flash point one by one. If there is no flash when skipping a module, it means there is a problem with this module. 3. Some modules will flash with high brightness, lowering the brightness can solve this problem. Some modules will not flash when the power supply voltage is adjusted to 4.6V. It is recommended to try this method to solve the problem. Please make sure you are adjusting the voltage of the switching power supply and not the software or control card. At the same time, all power supply voltages of the entire screen need to be adjusted to the same value. 5. This module cannot adapt to high-frequency scanning. Lower the "Advanced"
2024-01-22 comment 0 1566
Course Introduction:As shown in column D below, positive numbers are represented in green and negative numbers are represented in red. Operation method one: Use a custom format to distinguish positive and negative colors. Select the data in column D, press CTRL+1 to open the custom format, and enter the code in the type: [green] 0.00%; [red] -0.00%; - code Meaning: Positive numbers greater than 0 are displayed as a green 2-digit percentage, and negative numbers less than 0 are displayed as a red 2-digit percentage. Operation method two: Use conditional formatting to distinguish positive and negative color colors. Select the data area, conditional formatting - highlight cell rules - greater than, less than to set the color. Here, a negative number less than 0 is used to set the color. The final result is as shown in the figure:
2024-04-17 comment 0 1091
Course Introduction:When using Microsoft Word to process documents, we often insert pictures to enrich the content. However, sometimes we encounter a confusing problem, that is, the inserted picture displays a red icon with a cross instead of a normal picture. In this case, we cannot see the inserted picture, which brings some troubles to the process of using Word. Next, we'll explore some of the possible causes of this issue and provide solutions. First, we need to check the plug-in
2024-02-18 comment 0 907
Course Introduction:WPS is an office software used by many users. It includes the editing of documents, tables and PPTs. It can quickly complete many office operations. Recently, some users have found that some files cannot be opened and a red exclamation mark is displayed during use. What should be done? Woolen cloth? In response to this problem, this article brings a detailed solution to share with everyone. Solution to the problem that WPS cannot open the file and displays a red exclamation mark 1. Software installation problem Check whether the WPS Office software is successfully installed or there is a problem. If there is a problem, try reinstalling the software. 2. The file format is incompatible. Confirm that the file format you are trying to open is compatible with WPS Office. The software supports common formats such as DOC, DOCX, XLS, and XLSX.
2024-08-28 comment 0 225