A listing of programming languages which are actively developed on GitHub. These are sometimes scripting or markup languages, similar to REXX or SGML , and have just one information kind—mostly character strings that are used for each symbolic and numeric knowledge. These served to make the program much more human-readable and relieved the programmer of tedious and error-inclined handle calculations.

Programming languages differ from most other types of human expression in that they require a better degree of precision and completeness. The time period semantics refers back to the meaning of languages, versus their type ( syntax ). These are markup languages , type sheet languages , and database administration languages that are included in the listing for individuals who might consider them as a programming language.

Record-based mostly languages are a type of information-structured language which are based mostly upon the listing information structure. Lisp , Smalltalk , Perl , Python , JavaScript , and Ruby are all examples of dynamically typed languages. Programming languages share properties with natural languages related to their purpose as vehicles for communication, having a syntactic kind separate from its semantics, and displaying language households of associated languages branching one from one other.

Extension programming languages are languages embedded into one other program and used to harness its options in extension scripts. forty seven As with type-inferred languages, dynamically typed languages do not require the programmer to write down express sort annotations on expressions.

Dynamic typing , additionally referred to as latent typing, determines the kind-safety of operations at run time; in different words, varieties are associated with run-time values fairly than textual expressions. PHP (which stands for Hypertext Preprocessor, if you care to know) is often used along with dynamic information-heavy websites and app growth.