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Articles on Trending Technologies
Technical articles with clear explanations and examples
Why files are needed in C programming language?
Files are collections of records or storage locations on hard disk where data is stored permanently. In C programming, files allow programs to store and retrieve data that persists beyond program execution. We can access files using various C library functions for different operations. Need of Files in C Programming Files are essential in C programming for the following reasons − Data Persistence: Entire data is lost when the program terminates. Storing data in files preserves your information even after the program ends. Time Efficiency: If you need to enter large amounts of data, it normally ...
Read MoreUse CSS max-width property responsive for video player
The CSS max-width property can be used to make video players responsive by preventing them from exceeding their container's width while maintaining their aspect ratio. This ensures videos adapt smoothly to different screen sizes. Syntax video { max-width: value; height: auto; } Example The following example demonstrates how to create a responsive video player using the max-width property − .video-container { ...
Read MoreWrite a structure in local scope program using C language
A structure in C is a collection of different datatype variables, grouped together under a single name. When a structure is declared inside a function or block, it has local scope and can only be accessed within that specific function or block. Syntax struct structure_name { datatype member1; datatype member2; datatype member_n; }; Local Scope Structure Declaration When a structure is declared inside a function, it is local to that function and cannot be accessed from outside − void function() ...
Read MoreRole of CSS flex-direction property row-reverse value
The CSS flex-direction property with the row-reverse value arranges flex items horizontally from right to left. This is the opposite of the default row behavior, which flows from left to right. Syntax selector { display: flex; flex-direction: row-reverse; } Example The following example demonstrates how flex-direction: row-reverse reverses the horizontal order of flex items − .mycontainer { display: flex; flex-direction: ...
Read MoreHow to position text to top left position on an image with CSS
To position text to the top left position on an image, use the position property with absolute positioning along with the top and left properties. The parent container must have position: relative to serve as the positioning reference. Syntax .container { position: relative; } .text-overlay { position: absolute; top: value; left: value; } Example The following example demonstrates how to position text at the top left corner of an image − ...
Read MoreExplain the concept of Uninitialized array accessing in C language
In C programming, accessing an uninitialized array can lead to unpredictable behavior since the array elements contain garbage values from memory. Understanding this concept is crucial for writing reliable C programs. Syntax int array[size]; // Uninitialized array int array[size] = {0}; // Initialized with zeros int array[size] = {1, 2, 3}; // Partially initialized Key Behavior Uninitialized arrays contain garbage values from memory locations The compiler does not generate compilation or runtime errors for accessing uninitialized arrays Values are ...
Read MoreUse CSS width property for a responsive video player
The CSS width property can be used to create responsive video players that automatically adjust their size based on the container or viewport width. By setting width: 100% and height: auto, the video maintains its aspect ratio while scaling fluidly. Syntax video { width: 100%; height: auto; } Example: Basic Responsive Video Player The following example creates a responsive video player that scales with the browser window − ...
Read MoreWhat is out of bounds index in an array - C language?
In C programming, an out of bounds index occurs when you try to access an array element using an index that is beyond the valid range of the array. For an array of size n, valid indices range from 0 to n-1. Syntax datatype array[size]; // Valid indices: 0 to (size-1) // Out of bounds: any index < 0 or >= size Understanding Array Bounds If you declare an array with 4 elements, the valid indices are 0, 1, 2, and 3. Accessing index 4 or any higher value results in undefined behavior. The ...
Read MoreAchieve Responsiveness for background image with CSS
Creating responsive background images ensures that your images adapt properly to different screen sizes and device orientations. The key is using CSS properties like background-size and proper viewport settings to make images scale appropriately. Syntax selector { background-image: url('image-path'); background-size: value; background-repeat: no-repeat; background-position: center; } Key Properties for Responsive Background Images PropertyValuesDescription background-sizecontain, cover, 100%Controls how the background image is sized background-repeatno-repeat, repeatPrevents image repetition background-positioncenter, top, bottomControls image positioning Method 1: Using background-size: ...
Read MoreDeclaring a structure with no members in C language
In C programming, it is possible to declare a structure with no members. This creates what is known as an empty structure or zero-size structure. While not commonly used in practice, understanding this concept helps in grasping how C handles structure memory allocation. Syntax struct structure_name { // No members declared }; Size of Empty Structure When a structure is declared with no members, its size is implementation-defined. In most C compilers, the size of an empty structure is 0 bytes, but some compilers may assign a minimal size (like ...
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