Course Introduction：There are two ways to add time code overlays in PremierePro: visual time code and metadata embedding. 1. The visual time code is realized through the "time code" effect, which is suitable for the film review stage, and the font, position and other styles can be adjusted; 2. Metadata embedding is checked "Write time code to video" when exporting, which is suitable for delivery and is supported for MP4 and MOV formats. Pay attention to the starting time code setting, timeline continuity and software version compatibility issues during operation.
2025-07-19 comment 0 504
Course Introduction：Excellent jQuery plug-ins are popular among tens of thousands of web developers around the world, while those with poor designs are quickly forgotten. This article provides some tips to help you develop better jQuery plugins and enhance their influence. Key points: Make sure your jQuery plugin is chain-causable by returning the jQuery object that calls it, allowing multiple jQuery methods to be linked. Provides default settings for your jQuery plugin, allowing users to customize according to their own needs, and consider supporting HTML parameters for ease of use. Upload your jQuery plugin to codebases such as GitHub, Google Code, and jQuery plugin directories for promotion and ready to provide
2025-02-27 comment 0 687
Course Introduction：Ten powerful jQuery character/word counting plug-ins recommended Here are ten excellent jQuery plugins that can monitor the number of characters or words you enter in the text area like Twitter. Come and have a look! Related blog posts: jQuery simple character counter jQuery setTimeout() function example Text area word counter A jQuery plugin for displaying word counts in text areas. Note that this is a word counting plugin, not a character counter. Source Code Demo NobleCount A customizable jQuery plugin for more precise counting of text input objects (e.g. text input fields
2025-03-06 comment 0 869
Course Introduction：gotooltrace performance analysis helps locate performance bottlenecks by recording program execution processes and visualizing them. The specific steps are as follows: 1. You can use the -test.trace parameter to access /debug/trace through the code by calling trace.Start/trace.Stop, HTTP service in the code or use the -test.trace parameter when testing; 2. Use gotooltracetrace.out to open the trace file and view the event timeline, Goroutine status, I/O blocking, system calls and scheduling delay in the browser; 3. Pay attention to blank or lag areas when analyzing performance problems, and check the reasons for Goroutine blocking, GC impact, and system scheduling.
2025-07-19 comment 0 182
Course Introduction：Detailed explanation of jQuery module pattern: build maintainable and extensible plug-ins Core points: jQuery's module pattern can organize code in a maintainable and extensible way, keeping the global namespace neat, reducing the possibility of naming conflicts, and providing ways to protect variables and methods. Create a basic jQuery plugin using module pattern by defining a self-executing anonymous function to encapsulate the plugin code, providing private scope for variables and methods, and then exposing the public API by returning objects containing public methods and attributes. Module pattern is a design pattern that can be used not only with jQuery but also with any JavaScript library, and can be used to develop commercially for jQ
2025-02-27 comment 0 697
Course Elementary 13777
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 82287
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 13146
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 24593
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 27453
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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