Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Server Side Programming Articles
Page 1544 of 2109
Minimize removals to remove another string as a subsequence of a given string
A subsequence refers to a sequence that can be obtained from another sequence by removing zero or more elements, without altering the order of the remaining elements. In simpler terms, a subsequence is derived by selecting elements from the original sequence, while preserving their relative order. For example, consider the sequence [1, 2, 3, 4]. Some possible subsequences of this sequence are: [1, 2], [1, 3, 4], [2, 4], [1, 2, 3, 4], [3], and [4]. Problem Statement The objective is to determine the minimum number of character removals from string s1 in order to eliminate any occurrence of ...
Read MoreCheck if given string is prefix subarray of the given array
A subarray of an array is a contiguous part of the array in which we take a group of consecutive elements while also maintaining the relative ordering of elements as present in the original array. Example − Some valid subarrays are − etc. A prefix subarray is a special type of subarray that begins with the first element of the array and ends at some ith index where 0
Read MoreCheck if every row in given Matrix contains all the integers from 1 to N
A matrix is a two-dimensional data structure made up of rows and columns set out like a grid of squares. Grids, multidimensional arrays, and tabular data are frequently represented using it. Problem Statement We are given a matrix of dimensions and the task is to check whether each row of the matrix consists of every number from 1 to n. The order of the numbers in the row do not matter. Return true if this statement holds true else return false. For Example Input: mtx = [[1, 2, 3], [3, 2, 1], [2, 1, 3]] Output: True ...
Read MoreFind the last remaining Character in the Binary String according to the given conditions
A binary string is a string that only has two characters, usually the numbers 0 and 1, and it represents a series of binary digits. Problem Statement Now, in this problem, we are given a binary string comprising zeros and ones. We have two conditions to keep in mind while solving the problem. First, one digit can delete another digit that is a ‘1’ can delete a ‘0’ and vice versa. Secondly, if at any moment the entire string consists of only 0’s and 1’s then the corresponding digit is printed. Here, a binary string will be the input given ...
Read Moremath.Float64bits() Function in Golang With Examples
Introduction In the world of programming, effectiveness, and accuracy are vital. One dialect that grasps these standards is Go, too known as Golang. One significant angle of programming is working with numbers, and when it comes to floating-point numbers, precision things. This can be where the math.Float64bits() function in Golang sparkles. In this article, we are going to delve into the complexities of math.Float64bits() work, look at its noteworthiness and challenges in different applications, and eventually get its part within the broader setting of Golang programming. Overview of Float64 in Golang The float64 type in Golang uses the IEEE 754 standard representation to ...
Read Moreio.Pipe() Function in Golang with Examples
Introduction The world of programming embraces effectiveness and adaptability, and Golang, or Go, encapsulates these standards. Among its flexible highlights, the io.Pipe() function stands out. This Golang work, found within the io bundle, encourages inter-goroutine communication by making in-memory channels. These channels permit consistent information exchange, streamlining concurrent preparation. This article digs into the profundities of io.Pipe(), investigating its mechanics, focal points, downsides, and real-world significance. Understanding this work not as it improved your Golang proficiency but also enables you to form more productive and robust concurrent programs. Overview of io.Pipe() Function? The io.Pipe() function returns a connected pair of ...
Read MoreHow to plot multiple graphs in Matplotlib?
To plot multiple graphs in matplotlib, we will use the following steps −StepsCreate x, y1 and y2 data points using numpy.Add a subplot to the current figure at index 1.Plot curve 1 using x and y1.Add a subplot to the current figure at index 2.Plot curve 2 using x and y2.To display the figure, use show() method.Exampleimport numpy as np from matplotlib import pyplot as plt plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True x = np.linspace(-2, 2, 10) y1 = np.sin(x) y2 = np.cos(x) plt.subplot(211) plt.plot(y1) plt.subplot(212) plt.plot(y2) plt.show()Output
Read MoreHow to align text to the left in Tkinter Label?
Tkinter Label widget can be aligned using the anchor attributes. In order to calculate the accommodate spacing and alignment of the widget, anchor would help in a better way. Anchor provides several options such as N, W, S, E, NW, NE. SW, SE which can be defined in the pack manager itself.ExampleIn the following example, we will align the Label text of an application to the left by adding the anchor attribute towards “w” direction.#Import the required library from tkinter import* #Create an instance of tkinter frame win= Tk() #Set the geometry win.geometry("750x250") #Create a Label Widget Label(win, text= "New ...
Read MoreDifferent Types of Joins in Pandas
Pandas is one of the popular libraries used to perform data analysis and data manipulation. There are many advanced features to work with the tabular data such as join multiple data frames into one depending upon the common columns or indices of columns. In python, there are different types of joins available which can be performed by using the merge() function along with the how parameter of the pandas library. Following are the different joins. Inner Join Outer Join Left Join Right Join Cross Join Inner Join An Inner Join in the pandas library will return the rows ...
Read MoreHow to check if something is a RDD or a DataFrame in PySpark?
RDD is abbreviated as Resilient Distributed Dataset, which is PySpark fundamental abstraction (Immutable collection of objects). The RDD’s are the primary building blocks of the PySpark. They split into smaller chunks and distributed among the nodes in a cluster. It supports the operations of transformations and actions. Dataframe in PySpark DataFrame is a two dimensional labeled data structure in python. It is used for data manipulation and data analysis. It accepts different datatypes such as integer, float, strings etc. The column labels are unique, while the rows are labeled with a unique index value that facilitates accessing specific rows. ...
Read More