Course14369

Course Introduction：This course will lead you to cleverly implement image watermark and thumbnail functions through the GD library in PHP. You can easily master the implementation ideas of the case. At the same time, the course also explains how to encapsulate this process into classes, which can further deepen your understanding of object-oriented understanding.

Course2982

Course Introduction：Core technical points of the course: HTML: table, div, input, etc.; CSS: basic usage such as width, height, background, etc.; JS&Jquery: registering events, modifying styles, timers, simple animations, etc.

Course5986

Course Introduction：This course will lead you to cleverly implement image watermark and thumbnail functions through the GD library in PHP. You can easily master the implementation ideas of the case. At the same time, the course also explains how to encapsulate this process into classes, which can further deepen your understanding of object-oriented understanding.

Course6684

Course Introduction：The projects shown in this course are implemented based on webpack and vue. The course content includes basic configuration of webpack, installation and configuration of vue-loader, css packaging, autoprefixer plug-in, devServer introduction and configuration, production environment packaging, parsing ES6 and many other contents. Tip: webpack has been upgraded to 5, and there are many changes. If you want to run it, it is best to bring the version. Webpack4 is used in this project. Bring the version number when installing webpack.

Course5308

Course Introduction：The way Webpack works is: treat your project as a whole, through a given main file (such as: index.js), Webpack will find all the dependency files of your project starting from this file, use loaders to process them, and finally Packaged into one (or more) browser-readable JavaScript files.

Course Introduction：想要打印文档，请先确保打印机能正常工作并装好纸张，然后从要打印文档中选择“打印机”与“打印选项”，最后点击“打印”即可。

2024-08-09 comment510

Course Introduction：Printing steps: Connect the printer and install the driver. Prepare your document for printing, selecting the appropriate format and making sure it is formatted. Start printing and select the printer, number of copies, paper size and orientation in the printer options window. Confirm printing and wait for printing to complete. Remove the paper and check that the printout is correct. Preview your files before printing, use high-quality paper, and maintain your printer regularly for best results.

2024-03-27 comment 0589

Course Introduction：以下是使用打印机打印文件的步骤：准备文件和打印机，包括确保文件已保存为可打印格式，并打开和准备打印机。连接打印机，如果是无线连接请确保已连接到网络，如果是 USB 连接请插入计算机。选择打印设置，包括选择打印机、调整纸张大小、方向和页面范围。开始打印，单击“打印”按钮以开始打印作业。故障排除，如果打印机无法打印，请检查连接、卡纸和墨水，并重新启动打印机或查看用户手册以获取进一步的故障排除步骤。

2024-08-09 comment778

Course Introduction：Solution to the printer not printing: 1. Put the printer online; 2. Restart the printer; 3. Set the printer as the default printer; 4. Do not pause the printer; 5. Release the printer memory; 6. Increase the printer's timeout setting; 7. Correct the output generated by the program; 8. The local printer port is set correctly; 9. Check the printer driver; 10. The printer port is set to open in the BIOS.

2023-06-21 comment 04597

Course Introduction：How to restore normal printing if the printer stops printing: 1. Check the ink cartridge and paper inlet; 2. If the document is suspended and cannot be printed; 3. If the printer displays an exclamation mark, there is a problem with the driver.

2023-06-21 comment 02014