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Articles by Aman Kumar
Page 4 of 4
What is the importance of '+' operator in type conversion in JavaScript?
JavaScript is a dynamically typed language where operations often automatically convert values to the appropriate type. The + operator plays a crucial role in type conversion, behaving differently depending on the operand types. JavaScript provides many ways to convert data from one form to another, with two most common types of conversion: Converting values to strings Converting values to numbers The '+' Operator's Dual Behavior The + operator in JavaScript serves two purposes: Addition: When both operands are numbers String ...
Read MoreAssertions in C/C++
An assertion in C is a debugging tool that checks if a condition is true during program execution. When an assertion fails, the program displays an error message and terminates immediately. This helps catch programming errors early in the development process. In C programming, assertions are implemented using the assert() macro defined in the header file. The macro evaluates an expression and aborts the program if the expression is false. Syntax #include assert(expression); Parameters: expression − A condition that should be true. If it evaluates to false (0), the program terminates ...
Read MoreCan a C++ virtual functions have default parameters?
Yes, C++ virtual functions can have default parameters. The default parameter is the value provided during function declaration, such that the value can be automatically assigned if no argument is passed to them. In case any value is passed the default value is overridden and becomes a parameterized argument. Virtual Function A virtual function is a member function declared in a base class and can be overridden in a derived class. When we use a pointer or reference to the base class to refer to an object of the derived class, you can call a virtual function for that object. ...
Read MoreC++ Program to Implement the String Search Algorithm for Short Text Sizes
Searching for a substring within a short text is a common operation in many C++ programs, like as small-scale text editors, command line utilities, and education projects. So, in this article, we will implement a string search algorithm for short text sizes. Importance of String Search String search algorithms find a substring within another string. While advanced methods like KMP and Boyer-Moore are great for longer texts, a simple method like Naive search works well for short texts without added complexity. Algorithm to Implement String Search Algorithm for Short Text Sizes The Following is a string search algorithm − Begin ...
Read MoreC++ Program to find the median of two sorted arrays using binary search approach
The median is defined as the middle value of a sorted list of numbers, and the middle value is found by ordering the numbers in ascending order. Once the numbers are ordered, the middle value is called the median of the given data set. Here, in this article, we have two different sorted arrays and need to find the median of these two array using binary search. Median depends on the sorted combined array. So, the following cases may occur: If the length of the combined array is odd, then the median should be the ...
Read MoreC++ Program to Implement Stack Using Two Queues
Queue The queue is a linear data structure that follows the First-In-First-Out (FIFO) operation. Where insertions are done at one end (rear) and deletions are done from another end (front). The first element that is entered is deleted first. Following are the stack operations: EnQueue (int data): Insertion at rear end int DeQueue(): Deletion from front end Stack The stack is also a linear data structure that follows the Last-In-First-Out (LIFO) operation. Where the element will be added and removed from the top. Following are the stack operations: ...
Read Morefork() to execute processes from bottom to up using wait() in C++
The fork() system call is used to create a process commonly known as a child process if the fork() returns 0. Otherwise, the created process is known as the parent process. All processes created with fork() execute in parallel. But what if we want the last process to be executed first? In this case, the parent process would execute last because of bottom-to-top execution. This can be done using the wait() system call. The wait system call is used to process handling. It pauses the execution of the calling process until the child process has finished its execution. It's commonly ...
Read MoreHow do I pass an event handler to a component in ReactJS?
Reactjs is an open source javascript library, used in web development to build interactive pages in websites. Reactjs provides user friendly, declarative, and precise. Components Components are individualistic and reusable bits of code in react js. It helps to create separate files for our class and function. In general components are two types− class components and function components. Event Handlers Event handlers define what action to be performed when an event is fired or triggered. Events in react preceded with “on” for example onClick, and onFocus. Event handler in react is just like DOM in HTML, react has also same handler ...
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