Course Introduction：SublimeText's column selection mode quickly selects rectangular areas through keyboard and mouse combinations to achieve simultaneous editing of multiple rows. Specific methods include: 1. Drag the Alt mouse on Windows/Linux, and drag the Option mouse on macOS; 2. Select the exact box to use Shift Alt (Windows/Linux) or Shift Option (macOS) to add mouse clicks; 3. Keyboard shortcut Ctrl Alt up/down arrow (Windows/Linux) or Cmd Option up/down arrow (macOS) to add vertical cursor to simulate column selection effect. After entering this mode, the input, deletion, copy and paste operations are all used for all selections.
2025-07-19 comment 0 542
Course Introduction：To uninstall a package in SublimeText, first open the command panel (Ctrl Shift P or Cmd Shift P), enter "PackageControl:RemovePackage" and select the option, then select the package to delete from the list and confirm. SublimeText will uninstall the package immediately and take effect without restarting, although some interface elements may not disappear after restarting. 1. Open SublimeText and call up the command panel; 2. Enter and select "PackageControl:RemovePackage"; 3. Select the target package from the installed package list; 4. Click or press Enter to confirm the deletion, and the operation is completed.
2025-07-26 comment 0 964
Course Introduction：There are three ways to apply transitions for multiple clips at once in PremierePro: First, after selecting all clips, select transitions in the effect panel and drag them to one clip point, right-click and select "Apply default transitions for all clips"; secondly, hold Shift to select multiple clip points, double-click or drag the desired transition to any selected position to apply in batches; finally, set the default transitions to speed up the workflow, the path is "Sequence>Apply default transitions to all clips", and select and set as default in the pop-up window. In addition, the duration of all transitions can be adjusted through the Preferences > Timeline or the right-click menu.
2025-07-25 comment 0 500
Course Introduction：The shortcut keys for customizing LibOffice on Debian systems can be adjusted through system settings. Here are some commonly used steps and methods to set LibOffice shortcut keys: Basic steps to set LibOffice shortcut keys Open system settings: In the Debian system, click the menu in the upper left corner (usually a gear icon), and select "System Settings". Select a device: In the system settings window, select "Device". Select a keyboard: On the Device Settings page, select Keyboard. Find the command to the corresponding tool: In the keyboard settings page, scroll down to the bottom to see the "Shortcut Keys" option. Clicking it will bring a window to a pop-up. Find the corresponding LibOffice worker in the pop-up window
2025-05-16 comment 0 1015
Course Introduction：The core way to narrow down the GolangDocker image is to use multi-stage build and select the smallest base image. 1. Use multi-stage construction, compile the program in the first stage, and copy only executable files in the second stage; 2. Select lightweight basic images such as alpine, distroless or scratch; 3. Set CGO_ENABLED=0 and -ldflags"-s-w" during compilation to reduce binary volume; 4. Use .dockerignore to exclude unrelated files to speed up construction and reduce images.
2025-07-14 comment 0 803
Course Elementary 13819
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82353
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13173
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24624
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27483
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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