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In C programming language, float is a short term for floating point. Understanding how floats are stored internally helps developers work with precision and memory optimization effectively. IEEE 754 Standard Floating point numbers are represented using the IEEE 754 standard format, which consists of three components − Sign bit: 1 bit that denotes the sign (0 for positive, 1 for negative) Exponent: 8 bits for float (11 bits for double) stored with a bias Mantissa (Significand): 23 bits for float (52 bits for double) Syntax float variable_name = value; // IEEE 754 ... Read More
CSS Grid Lines are the invisible horizontal and vertical lines that form the structure of a CSS grid container. These lines define where grid items can be positioned and create the foundation for precise layout control. Each grid line is numbered, starting from 1, and can be referenced to place items exactly where you want them. Syntax /* Column positioning */ grid-column-start: line-number; grid-column-end: line-number; /* Row positioning */ grid-row-start: line-number; grid-row-end: line-number; /* Shorthand */ grid-column: start / end; grid-row: start / end; Understanding Grid Lines Grid lines are automatically created ... Read More
Primary data types, also known as fundamental data types, are built-in data types in C programming language. The C compiler supports four fundamental data types that serve as the building blocks for storing and working with different kinds of data − Integer − for whole numbers Character − for single characters Float − for decimal numbers Double − for high-precision decimal numbers Syntax // Declaration syntax for primary data types int variable_name; char variable_name; float variable_name; double variable_name; Integer Data Type Integer data types store whole numbers (positive or negative) without ... Read More
The CSS justify-content property with the center value is used to align flex items to the center of the main axis in a flex container. This creates equal spacing on both sides of the flex items, centering them horizontally within their container. Syntax .container { display: flex; justify-content: center; } Example The following example demonstrates how to center flex items using justify-content: center − .mycontainer { ... Read More
Programming languages are used to give instructions to the computer in a language which a computer can understand. They serve as a bridge between human logic and machine execution. Computer languages are classified into three types as follows − Machine languages Symbolic languages High level languages Computer Language Types Machine Language Binary Code 1010 1100 0011 Assembly Language Mnemonics MOV, ADD, JMP ... Read More
The CSS grid-gap property is used to set the spacing between grid rows and columns in a CSS Grid layout. This property provides a convenient shorthand for defining both row and column gaps simultaneously. Syntax selector { grid-gap: row-gap column-gap; } /* Or using single value for both */ selector { grid-gap: gap-value; } Possible Values ValueDescription lengthDefines the gap size in px, em, rem, etc. percentageDefines the gap as a percentage of the container row-gap column-gapTwo values: first for rows, second for columns ... Read More
The CSS grid-template-columns property is used to define the width of each column in a CSS Grid Layout. You can specify different widths for each column using various units like pixels, percentages, or fractional units. Syntax .grid-container { display: grid; grid-template-columns: value1 value2 value3 ...; } Possible Values ValueDescription pxFixed width in pixels %Percentage of container width frFractional unit for flexible sizing autoAutomatically sized based on content Example: Fixed Column Widths The following example creates a grid with three columns having fixed ... Read More
In C programming, NULL pointers and void pointers are two distinct concepts that serve different purposes. A NULL pointer represents a pointer that doesn't point to any valid memory location, while a void pointer is a generic pointer type that can point to any data type but requires type casting for dereferencing. Syntax /* NULL Pointer */ data_type *pointer_name = NULL; /* Void Pointer */ void *pointer_name; NULL Pointer A NULL pointer is a pointer that doesn't point to any valid memory location. It's used to indicate that the pointer is not currently ... Read More
To position text to center on an image, use the transform property in CSS along with absolute positioning. This technique allows you to overlay text perfectly centered on any image. Syntax .container { position: relative; } .centered-text { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); } Example The following example demonstrates how to center text on an image − .container { ... Read More
In C programming, header files contain declarations of predefined functions, constants, and macros. When a header file is included multiple times in a program, the preprocessor automatically handles this situation to prevent compilation errors. What Happens with Duplicate Includes? When a header file is included twice or more times in a C program, the C preprocessor uses include guards (or header guards) to ensure that the contents of the header file are processed only once during compilation. Most standard C library headers like stdio.h, stdlib.h, etc., have built-in protection mechanisms. How Include Guards Work Standard header ... Read More