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What is a programming library

Perhaps you have ever wondered: What is a programming library? Well you should know that uA programming library is a set of codified implementations (files) by means of a programming language (Python, Java Script) that offers a well-defined interface according to the functionality for which it was designed. 

To understand it well, it can be said that it is a set of instructions that can be used by different programs. The same library, in theory, is used in several programs, giving it the same use or a different one.

For example, if you are developing an application to automate mailing, when you are developing the configuration dates you can use a library to help you with the codes and files you need, then you continue developing the program.

It is a tool that allows you to optimize time and resources. It might seem complicated, but it is not and at the end of the blog you will realize it. 

Before starting, it is important to note that libraries are linked to a program or to other libraries at different stages of development or when they are run. This depends on the type of link you want to establish. That is, libraries can be linked at different steps of program creation.

In this blog we are going to talk about programming libraries; I will teach you some things that you may not have known about the types of bookstores out there. If you want to know more about this you can continue reading

1. What is a programming library?

To know what a programming library is, it is worth clarifying what we mean, first of all, by Bookshop. Well, it is very common that we use the word bookstore to refer to a library because of its similarity with the English term “library”, however, it is incorrect to use this term to refer to programming libraries. The differences in the terms lie in their meaning, which, according to the RAE is:

Library: "Institution whose purpose is the acquisition, conservation, study and exhibition of books and documents.»

Bookstore: “Store where books are sold.”

So one is a set of books that have information and the other is the place where the books are sold. Therefore, the correct thing in this case is to change our lexicon and say, rather, programming library because it is a set of files. However, both terms are used and understood well.

Now that we know the semantic mistake that we usually make, we are going to correct it and say that a Programming Library is a set of functional implementations (files) encoded in a programming language that is used to develop a specific task in software.

They are usually made up of codes and data; and its objective is to be used by other programs or libraries autonomously. In other words, a programming library is a file that can be imported, specifically defining the function it performs.

Programming libraries come with most modern operating systems that use them to implement the services of a system.

So a programming library is a set of files that helps developers to do their job easily and quickly. In other words, it makes it easier for these libraries to communicate with programs and other libraries. 

Types of libraries.

There are different types of libraries, below, I will explain some of them.

  1. Static Libraries: is a file that contains several files of object code inside that are used in the executable files, copying them and relocating them as needed. In this case the library acts as a file container.

They are recorded in programs such as executables and are used exclusively for this, later they can be deleted without any problem because the program is working with the appropriate function.

In a nutshell, a Static library is one that is made up of object code files and is used in programs through a linking process., where the files are passed so that it can be executed and subsequently deleted. 

  1. dynamic libraries: are files that have object code that were built independently of their location. This tells us that these types of libraries are used by loading the files at run time and are not linked at compile time; so that here lies its difference with respect to the static ones, which are linked.

In other words, dynamic libraries are those that save files that were built independent of their location and files can be loaded when the program is running.

  1. remote libraries: This is a library that uses separate executables and through a remote procedure, carried out by another computer. These libraries work with an approach that maximizes operating system reuse; the code that supports the library is what gives the application the support and security for another program.

Although these types of libraries do not require information to be recorded on the machine, they do require more money to do so.

Programming libraries are spaces where files are stored that are later used by programmers to execute a program. There are different types of libraries; these are used depending on the program or application to be developed.

In conclusion, there are several types of libraries, all with different functions and treatment of information, and according to the definition we have constructed, we can say that these libraries are the spaces where files are stored.

At Auladig we can help you learn about web pages by visiting our blog: Types of web pages, in addition to collaborating with your own web page, if you want you can contact us so that we can chat and see what we can collaborate with.

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