Big data can be defined as a concept used to describe a large volume of data, which are both structured and unstructured, and that gets increased day by day by any system or business. In this lesson, you will learn about what is Big Data? Its importance and its contribution to large-scale data handling.
MongoDB provides a utility called mongoexport to its users, through which users can export data from MongoDB databases to a JSON file format or a CSV file format. In this chapter, you will learn about mongoexport command, which is used in MongoDB to export the data from the database.
NoSQL can be defined as an approach to database designing, which holds a vast diversity of data such as key-value, multimedia, document, columnar, graph formats, external files, etc. NoSQL is purposefully developed for handling specific data models having flexible schemas to build modern applications.
So far, you have used the selectors; they are used for targeting particular elements or collective elements having a specific ID or class. It is quite a powerful feature, but what if you wish to limit this feature to some specific part of the page? In this chapter, you will learn about the descendant combinator and its working.
Matrix multiplication is another important program that makes use of the two-dimensional arrays to multiply the cluster of values in the form of matrices and with the rules of matrices of mathematics. In this C program, the user will insert the order for a matrix followed by that specific number of elements. This same thing will be repeated for the second matrix.
Reversing a string means the string that will be given by the user to your program in a specific sequence will get entirely reversed when the reverse of a string algorithm gets implemented in that particular input string. In the below-mentioned example, two approaches have been used to reverse a string in C language.
Universal selector provided by CSS helps in choosing any elements within the HTML page. It goes with a single element and uses the asterisk (i.e., "") symbol used for denoting the selector as a universal selector.
When we are learning CSS, we are usually writing CSS in the head of the HTML document. However, there are three different places where CSS can be written within an HTML document. So in this chapter, it has been explained with examples.
CSS Element Selector is a straightforward CSS selector that uses the name of any HTML element as a selector for applying the CSS styles on those elements.
CSS class selector styles all the HTML elements with the specified class attribute. Using CSS Classes makes it easy to select HTML elements when applying the same style to different HTML tags.
CSS id selector is used to select the HTML element using the ID attribute to apply a style to it. This id element is distinctive always inside the page, and hence it is preferred for selecting a distinct, unique HTML element.
Styling is an important concept that brings CSS to the top of web designing. Like other elements, selectors in CSS also help in selecting the styles in elements you want to put for designing your web pages. In this chapter, you will get to know about the concept of selectors in CSS.
W3schools CSS Tutorial, Learn CSS by practicing various example code snippets to learn web designing easily and quickly.
CSS has some set of rules that govern how users must apply various CSS concepts. In this lesson, information about the Syntax of CSS is given.
CSS is abbreviated as Cascading Style Sheets and is used for describing how HTML elements need to be displayed when they are represented in a web page format or other media. In this chapter, you will learn about the basics of what CSS is and how it can be helpful in styling markup documents.
MongoDB allows you to specify the maximum number of documents to return using limit() method, and it is also possible to skip some documents from a MongoDB database by using skip() method. In this chapter, we will learn about both functions.
Protection queries are a particular type of MongoDB queries where you can specify fields you want to get in the output. In this chapter, you will learn about MongoDB Projection Queries which can be used for an additional purpose.
A query in a database system is a command that is used for extracting data from a database and display it in a readable form. In this chapter, you will learn about the different ways of how queries can be made using MongoDB.