All Expert Articles
How to Querying Two Tables For Duplicate Values in SQL?
In this article, we will see how to write SQL queries to get duplicate values from two tables. We can perform the given task using… Read More
Picked
SQL-Server
SQL
How to Alter Multiple Columns at Once in SQL Server?
In SQL, sometimes we need to write a single query to update the values of all columns in a table. We will use the UPDATE… Read More
Picked
SQL-Server
SQL
Convolution Theorem for Fourier Transform MATLAB
A Convolution Theorem states that convolution in the spatial domain is equal to the inverse Fourier transformation of the pointwise multiplication of both Fourier transformed… Read More
MATLAB image-processing
MATLAB-Maths
MATLAB
How to Convert Three Channels of Colored Image into Grayscale Image in MATLAB?
In this article, we explore the RGB colour model conversion into grayscale. Grayscale image: Grayscale is a range of gray shades from white to black,… Read More
MATLAB image-processing
MATLAB
How to Use SELECT With Aggregate Functions in SQL?
In SQL, mainly five aggregate functions are provided. These help us to process the table data in the desired way. All these are illustrated below.… Read More
Picked
SQL-Server
SQL
How to Perform SQL Join on Multiple Columns in Same Table?
In SQL, for extracting valuable data, we need to perform self join within the same table. Self-join is a simple cross-product followed by a condition.… Read More
Picked
SQL-Server
SQL
TCS Digital Interview Experience 2022
Hello geeks! I would like to share my TCS Digital interview experience First of all interested candidates need to apply for TCS drive through the… Read More
TCS
TCS Digital
TCS-interview-experience
Experiences
Interview Experiences
Most Critical Mistakes & Tips in Competitive Programming
The moment a beginner hears this word, an image pops up in one’s mind where students are sitting in a room full of Computers and… Read More
STL
C++
Competitive Programming
DSA
GBlog
SQL Query to Return Rows Matching a Certain Condition
In SQL, sometimes we need to select matching a certain condition from the table. We will use the SELECT command along with the WHERE clause… Read More
Picked
SQL-Query
SQL-Server
SQL
Microsoft Internship Interview Experience | On-Campus 2021
Microsoft visited our campus in month of August 2021 for the role of Summer Intern. Branches allowed were: CSE, IT, ECE and EE.At last, 18… Read More
Marketing
Microsoft
On-Campus
Experiences
Internship
Interview Experiences
Instance Methods in Java
Instance Methods are the group of codes that performs a particular task. Sometimes the program grows in size, and we want to separate the logic… Read More
Picked
Java
Convolution Shape (full/same/valid) in MATLAB
Convolution is a mathematical operation. It is used in Image processing in MatLab. A mask/filter is used to convolve an image for image detection purposes.… Read More
MATLAB-Maths
MATLAB
Laplacian Filter using Matlab
Laplacian filter is a second-order derivative filter used in edge detection, in digital image processing. In 1st order derivative filters, we detect the edge along… Read More
MATLAB image-processing
MATLAB
Boundary Extraction of image using MATLAB
The boundary of the image is different from the edges in the image. Edges represent the abrupt change in pixel intensity values while the boundary… Read More
MATLAB image-processing
MATLAB
Change background of color image into grayscale in MATLAB
In this article, we will discuss how to change the background of a colour image into grayscale using MATLAB. We are focused on the RGB… Read More
MATLAB image-processing
MATLAB
How to pre-compile LESS into CSS ?
In this article, we will discuss how to pre-compile the LESS file into a CSS file & will understand its implementation through the example. Introduction:… Read More
CSS-Questions
Picked
SASS
CSS
Web Technologies
Python – Compute the frequency of words after removing stop words and stemming
In this article we are going to tokenize sentence, paragraph, and webpage contents using the NLTK toolkit in the python environment then we will remove… Read More
Python-nltk
Web-scraping
Python
How to Use SQL Query to Rename a Constraint?
In SQL, we sometimes need to rename the constraints of a table. The whole process for doing the same is demonstrated below. For this article,… Read More
Picked
SQL-Query
SQL-Server
SQL
How to Select Individual Columns in SQL?
In SQL, sometimes we require to select individual columns from a table. For this, we use a specific kind of query shown in the below… Read More
Picked
SQL-Query
SQL-Server
SQL
Find Kth lexicographically smallest subarray
Given an array arr[] of N integers, the task is to find the Kth lexicographically smallest subset of the given array. Example: Input: arr[] =… Read More
lexicographic-ordering
subarray
Arrays
Bit Magic
DSA
Mathematical
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