What is sdl

Cross-platform programming is achieved by dynamically checking which Operating System the user is running. This is done by the use of conditional macros. Here is a code example of the cross-platform capabilities of SDL:. These macros check the existence of predefined variables stored within the OS's compiler libraries. Depending on which are defined, the corresponding code would be executed for that particular system.

This method also prevents OS specific code from conflicting with each other. The reason for this separation is because Operating systems have different ways of displaying graphics. Even though the code is different in each OS, most perform similar tasks such as creating a window, rendering to the window, grabbing user input, etc.. SDL brings these tasks together on a unified interface to allow you to basically code, compile, and run your program on multiple platforms.

Software developers use it to write computer games and other multimedia applications that can run on many operating systems: Android, iOS, Linux, Mac OS X, Windows and other platforms. It manages video, events, digital audio, CD-ROM, threads, shared object loading, networking and timers. Simple DirectMedia Layer 2. Skills Development Levy. What is SDL? The funds are to be used to develop and improve skills of employees.

Who must pay SDL? What steps must the employer take? The following employers are exempt from paying SDL— Any public service employer in the national or provincial sphere of Government. These employers must budget for an amount equal to the levies due for training and education of their employees. These employers must budget for an amount equal to the due for training and education of their employees. Any municipality to which a certificate of exemption is issued by the Minister of Higher Education and Training.

If this is the reason for exemption, these types of employers are not required to register to pay SDL. How much do you need to pay?

How and when should it be paid? It must be paid within seven days after the end of the month during which the amount was deducted. If the last day for payment falls on a public holiday or weekend, the payment must be made on the last business day before the public holiday or weekend. The following payment methods are available:. Frequently Asked Questions. Read More.