Course Intermediate  10988

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  17062

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  10754

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：C programming language supports preprocessors for efficient working of programs. The C preprocessor is a macro preprocessor for C-based programming languages. The preprocessor provides the compiler with the ability to include header files, macro expansion, conditional compilation, and line control in an explicit manner. The #hash tag is used to define preprocessors, i.e. all preprocessors start with #. This is followed by the name of the preprocessor without any spaces. Here is a list of C preprocessors. S.No. Preprocessor Description 1. #include includes specific header files from files. 2. #define defines preprocessor macros. 3. #undef Undefines the preprocessor macro 4. #if checks the compile-time condition and evaluates to a True value. 5. #else as a replacement for if preprocessor

2023-08-27 comment 0  1327

Course Introduction：The CSS preprocessor is a specialized programming language used to add some programming features to CSS (CSS itself is not a programming language). There is no need to consider browser compatibility issues because the CSS preprocessor ultimately compiles and outputs standard CSS styles. You can use basic programming skills such as variables, simple logical judgments, and functions in the CSS preprocessor.

2021-04-13 comment 0  6560

Course Introduction：This time I will show you how to use the preprocessor Sass, and what are the precautions for using the preprocessor Sass. The following is a practical case, let's take a look.

2018-03-20 comment 0  1440

Course Introduction：What is a CSS preprocessor? Generally speaking, they extend a set of their own DSL (Domain Specific Language) based on CSS to solve problems that are difficult for us to solve when writing CSS.

2020-06-15 comment 0  2762

Course Introduction：The C# compiler does not have a separate preprocessor; however, these directives are processed as if there were one. In C#, preprocessor directives are used to aid conditional compilation. Preprocessor directives give instructions to the compiler to preprocess information before actual compilation begins. Following are the preprocessor directives in C# - Sr.No. Preprocessor Directive & Description 1#define It defines a sequence of characters called symbol. 2#undef It allows you to undefine a symbol. 3#if It allows testing one or more symbols to see if they evaluate to true. 4#else It allows creating compound conditional directives together with #if. 5#elif It allows the creation of compound conditional instructions. 6#endif specifies conditions

2023-09-16 comment 0  836