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numpy.ndarray.T	This function belongs to ndarray class. It behaves similar to numpy.transpose. import numpy as np a = np.arange(12).reshape(3,4) print 'The original array is:' print a print '\n' print 'Array after applying the function:' print a.T The output of the above program would be − The original array is: [[ 0 1 2 3] ...	[ { "code": null, "e": 2322, "s": 2243, "text": "This function belongs to ndarray class. It behaves similar to numpy.transpose." }, { "code": null, "e": 2484, "s": 2322, "text": "import numpy as np \na = np.arange(12).reshape(3,4) \n\nprint 'The original array is:' \nprint a \nprin...
Common prime factors of two numbers - GeeksforGeeks	06 Jun, 2021 Given two integer and , the task is to find the common prime divisors of these numbers.Examples: Input: A = 6, B = 12 Output: 2 3 2 and 3 are the only common prime divisors of 6 and 12Input: A = 4, B = 8 Output: 2 Naive Approach: Iterate from 1 to min(A, B) and check whether i is prime and a factor o...	[ { "code": null, "e": 24698, "s": 24670, "text": "\n06 Jun, 2021" }, { "code": null, "e": 24797, "s": 24698, "text": "Given two integer and , the task is to find the common prime divisors of these numbers.Examples: " }, { "code": null, "e": 24916, "s": 24797, ...
Java Singleton Design Pattern Practices with Examples - GeeksforGeeks	16 Jun, 2021 In previous articles, we discussed about singleton design pattern and singleton class implementation in detail. In this article, we will see how we can create singleton classes. After reading this article you will be able to create your singleton class according to your use, simplicity and removed bottlene...	[ { "code": null, "e": 24884, "s": 24856, "text": "\n16 Jun, 2021" }, { "code": null, "e": 25382, "s": 24884, "text": "In previous articles, we discussed about singleton design pattern and singleton class implementation in detail. In this article, we will see how we can create sing...
array_merge_recursive() function in PHP	The array_merge_recursive() function merges one or more arrays into one array recursively. The difference between this function and array_merge() is that if two or more elements have the same key, the array_merge_recursive() function forms the value as an array. In this case, array_merge() function considers the last o...	[ { "code": null, "e": 1386, "s": 1062, "text": "The array_merge_recursive() function merges one or more arrays into one array recursively. The difference between this function and array_merge() is that if two or more elements have the same key, the array_merge_recursive() function forms the value as ...
DAX Date & Time - WEEKNUM function	Returns the week number for the given date and year according to the return_type value. The week number indicates where the week falls numerically within a year. WEEKNUM (<date>, [<return_type>]) date Date in datetime format. return_type A number that determines the return value − 1 - Week begins on Sunday. Weekdays ...	[ { "code": null, "e": 2163, "s": 2001, "text": "Returns the week number for the given date and year according to the return_type value. The week number indicates where the week falls numerically within a year." }, { "code": null, "e": 2199, "s": 2163, "text": "WEEKNUM (<date>, [<r...
Asynchronous Patterns in Node.js - GeeksforGeeks	14 Aug, 2021 Since the node is a language that runs on a single thread which in turn uses multiple threads in the background. A code in node.js should be nonblocking because if a particular line of code, for ex: Reading a large document can halt the execution of all the lines of code ahead of it which is not a good pra...	[ { "code": null, "e": 26377, "s": 26349, "text": "\n14 Aug, 2021" }, { "code": null, "e": 26900, "s": 26377, "text": "Since the node is a language that runs on a single thread which in turn uses multiple threads in the background. A code in node.js should be nonblocking because if...
Octet Class in JavaTuples - GeeksforGeeks	04 Aug, 2021 A Octet is a Tuple from JavaTuples library that deals with 3 elements. Since this Octet is a generic class, it can hold any type of value in it.Since Octet is a Tuple, hence it also has all the characteristics of JavaTuples: They are Typesafe They are Immutable They are Iterable They are Serializable The...	[ { "code": null, "e": 25517, "s": 25489, "text": "\n04 Aug, 2021" }, { "code": null, "e": 25744, "s": 25517, "text": "A Octet is a Tuple from JavaTuples library that deals with 3 elements. Since this Octet is a generic class, it can hold any type of value in it.Since Octet is a Tu...
Approximation Algorithms - GeeksforGeeks	09 May, 2022 Overview :An approximation algorithm is a way of dealing with NP-completeness for an optimization problem. This technique does not guarantee the best solution. The goal of the approximation algorithm is to come as close as possible to the optimal solution in polynomial time. Such algorithms are called appr...	[ { "code": null, "e": 25943, "s": 25915, "text": "\n09 May, 2022" }, { "code": null, "e": 26296, "s": 25943, "text": "Overview :An approximation algorithm is a way of dealing with NP-completeness for an optimization problem. This technique does not guarantee the best solution. The...
Better Logging using Timber Library in Android - GeeksforGeeks	30 Nov, 2021 In this article, we will build an application in Android to implement a logging utility class that is better than the default Log class of android. For that, we will be using Timber Library which is a small logger with an extensible API. As Android developers, we use a lot of log statements in our projects...	[ { "code": null, "e": 26381, "s": 26353, "text": "\n30 Nov, 2021" }, { "code": null, "e": 27109, "s": 26381, "text": "In this article, we will build an application in Android to implement a logging utility class that is better than the default Log class of android. For that, we wi...
C# \| How to get the last occurrence of the element in the List that match the specified conditions - GeeksforGeeks	17 Jan, 2022 List<T>.FindLast(Predicate<T>) Method is used to search for an element which matches the conditions defined by the specified predicate and it returns the last occurrence of that element within the entire List<T>. Properties of List: It is different from the arrays. A list can be resized dynamically but arr...	[ { "code": null, "e": 25773, "s": 25745, "text": "\n17 Jan, 2022" }, { "code": null, "e": 25986, "s": 25773, "text": "List<T>.FindLast(Predicate<T>) Method is used to search for an element which matches the conditions defined by the specified predicate and it returns the last occu...
PyQt5 QCalendarWidget - Setting Date Edit (Pop-Up) Accept Delay Property - GeeksforGeeks	13 Dec, 2021 In this article, we will see how we can set/change the date edit accept delay property of the QCalendarWidget. This property holds the time an inactive date edit is shown before its contents are accepted. If the calendar widget’s date edit is enabled, this property specifies the amount of time (in millisec...	[ { "code": null, "e": 24270, "s": 24242, "text": "\n13 Dec, 2021" }, { "code": null, "e": 24822, "s": 24270, "text": "In this article, we will see how we can set/change the date edit accept delay property of the QCalendarWidget. This property holds the time an inactive date edit i...
Adding a legend to a Matplotlib boxplot with multiple plots on the same axis	To add a legend to a matplotlib boxplot with multiple plots on the same axis, we can take the following steps − Set the figure size and adjust the padding between and around the subplots. Set the figure size and adjust the padding between and around the subplots. Create random data, a and b, using numpy. Create random ...	[ { "code": null, "e": 1174, "s": 1062, "text": "To add a legend to a matplotlib boxplot with multiple plots on the same axis, we can take the following steps −" }, { "code": null, "e": 1250, "s": 1174, "text": "Set the figure size and adjust the padding between and around the subp...
How to change the font size of legend in base R plot?	In base R, we can use legend function to add a legend to the plot. For example, if we want to create a histogram with legend on top-right position then we can use legend("topright",legend="Normal Distribution") and if we want to change the font size then we need to as cex argument as shown below: legend("topright",lege...	[ { "code": null, "e": 1360, "s": 1062, "text": "In base R, we can use legend function to add a legend to the plot. For example, if we want to create a histogram with legend on top-right position then we can use legend(\"topright\",legend=\"Normal Distribution\") and if we want to change the font size...
Pandas equivalent of 10 useful SQL queries \| by Dorian Lazar \| Towards Data Science	In case you don’t know, pandas is a python library for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. The name is derived from the term “panel data”, an econometrics term for data sets that include observations over multiple tim...	[ { "code": null, "e": 528, "s": 172, "text": "In case you don’t know, pandas is a python library for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. The name is derived from the term “panel data”, an econometri...
Functional Programming with Java - Quick Guide	In functional programming paradigm, an application is written mostly using pure functions. Here pure function is a function having no side effects. An example of side effect is modification of instance level variable while returning a value from the function. Following are the key aspects of functional programming. Fun...	[ { "code": null, "e": 2349, "s": 2089, "text": "In functional programming paradigm, an application is written mostly using pure functions. Here pure function is a function having no side effects. An example of side effect is modification of instance level variable while returning a value from the fun...
JSP - Session Tracking	In this chapter, we will discuss session tracking in JSP. HTTP is a "stateless" protocol which means each time a client retrieves a Webpage, the client opens a separate connection to the Web server and the server automatically does not keep any record of previous client request. Let us now discuss a few options to main...	[ { "code": null, "e": 2519, "s": 2239, "text": "In this chapter, we will discuss session tracking in JSP. HTTP is a \"stateless\" protocol which means each time a client retrieves a Webpage, the client opens a separate connection to the Web server and the server automatically does not keep any record...
Print Stack Elements from Top to Bottom	19 Jan, 2022 Given a Stack S, the task is to print the elements of the stack from top to bottom such that the elements are still present in the stack without their order being changed. Examples: Input: S = {2, 3, 4, 5}Output: 5 4 3 2 Input: S = {3, 3, 2, 2}Output: 2 2 3 3 Recursive Approach: Follow the steps below to s...	[ { "code": null, "e": 52, "s": 24, "text": "\n19 Jan, 2022" }, { "code": null, "e": 224, "s": 52, "text": "Given a Stack S, the task is to print the elements of the stack from top to bottom such that the elements are still present in the stack without their order being changed." ...
std::strncmp() in C++	09 Jan, 2019 std::strncmp() function lexicographically compares not more than count characters from the two null-terminated strings and returns an integer based on the outcome. This function takes two strings and a number num as arguments and compare at most first num bytes of both the strings. num should be at most eq...	[ { "code": null, "e": 28, "s": 0, "text": "\n09 Jan, 2019" }, { "code": null, "e": 192, "s": 28, "text": "std::strncmp() function lexicographically compares not more than count characters from the two null-terminated strings and returns an integer based on the outcome." }, { ...
How do we mix two strings and generate another in java?	Strings are used to store a sequence of characters in Java, they are treated as objects. The String class of the java.lang package represents a String. You can create a String either by using the new keyword (like any other object) or, by assigning value to the literal (like any other primitive datatype). String string...	[ { "code": null, "e": 1339, "s": 1187, "text": "Strings are used to store a sequence of characters in Java, they are treated as objects. The String class of the java.lang package represents a String." }, { "code": null, "e": 1494, "s": 1339, "text": "You can create a String either...
Linear Regression (Python Implementation)	18 May, 2022 This article discusses the basics of linear regression and its implementation in the Python programming language.Linear regression is a statistical method for modeling relationships between a dependent variable with a given set of independent variables. Note: In this article, we refer to dependent variable...	[ { "code": null, "e": 54, "s": 26, "text": "\n18 May, 2022" }, { "code": null, "e": 308, "s": 54, "text": "This article discusses the basics of linear regression and its implementation in the Python programming language.Linear regression is a statistical method for modeling relati...
Pure Functions in JavaScript	09 May, 2022 A Pure Function is a function (a block of code) that always returns the same result if the same arguments are passed. It does not depend on any state or data change during a program’s execution. Rather, it only depends on its input arguments. Also a pure function does not produce any observable side effect...	[ { "code": null, "e": 52, "s": 24, "text": "\n09 May, 2022" }, { "code": null, "e": 295, "s": 52, "text": "A Pure Function is a function (a block of code) that always returns the same result if the same arguments are passed. It does not depend on any state or data change during a ...
C# - Polymorphism	The word polymorphism means having many forms. In object-oriented programming paradigm, polymorphism is often expressed as 'one interface, multiple functions'. Polymorphism can be static or dynamic. In static polymorphism, the response to a function is determined at the compile time. In dynamic polymorphism, it is deci...	[ { "code": null, "e": 2564, "s": 2404, "text": "The word polymorphism means having many forms. In object-oriented programming paradigm, polymorphism is often expressed as 'one interface, multiple functions'." }, { "code": null, "e": 2741, "s": 2564, "text": "Polymorphism can be st...
Side by Side bar charts in R	01 Feb, 2022 In this article, we will discuss how to draw Bar Charts side by side in R Programming Language. To draw plots side by side par() function is used. Syntax: par(mfrow, mar, mgp, las) Parameters: mfrow- A numeric vector of length 2, which sets the rows and column in which frame has to be divided. mar – A num...	[ { "code": null, "e": 28, "s": 0, "text": "\n01 Feb, 2022" }, { "code": null, "e": 124, "s": 28, "text": "In this article, we will discuss how to draw Bar Charts side by side in R Programming Language." }, { "code": null, "e": 175, "s": 124, "text": "To draw pl...
How to determine if an array contains a specific value in PHP?	27 May, 2021 Given an array and a specific value, we have to determine whether the array contains that value or not. So there is two popular way to determine that the specific value is in the array or not. One procedure is using by loop and other one is in_array() function. By using loop to get the specific value prese...	[ { "code": null, "e": 28, "s": 0, "text": "\n27 May, 2021" }, { "code": null, "e": 555, "s": 28, "text": "Given an array and a specific value, we have to determine whether the array contains that value or not. So there is two popular way to determine that the specific value is in ...
Move all zeroes to end of array using List Comprehension in Python	21 Nov, 2018 Given an array of random numbers, Push all the zeros of a given array to the end of the array. For example, if the given arrays is {1, 9, 8, 4, 0, 0, 2, 7, 0, 6, 0}, it should be changed to {1, 9, 8, 4, 2, 7, 6, 0, 0, 0, 0}. The order of all other elements should be same. Expected time complexity is O(n) a...	[ { "code": null, "e": 54, "s": 26, "text": "\n21 Nov, 2018" }, { "code": null, "e": 385, "s": 54, "text": "Given an array of random numbers, Push all the zeros of a given array to the end of the array. For example, if the given arrays is {1, 9, 8, 4, 0, 0, 2, 7, 0, 6, 0}, it shoul...
ReactJS – useRef hook	In this article, we are going to see how to create a reference to any DOM element in a functional component. This hook is used to access any DOM element in a component and it returns a mutable ref object which will be persisted as long as the component is placed in the DOM. If we pass a ref object to any DOM element, t...	[ { "code": null, "e": 1296, "s": 1187, "text": "In this article, we are going to see how to create a reference to any DOM element in a functional component." }, { "code": null, "e": 1462, "s": 1296, "text": "This hook is used to access any DOM element in a component and it returns...
PostgreSQL – Joins	28 Aug, 2020 A PostgreSQL Join statement is used to combine data or rows from one(self-join) or more tables based on a common field between them. These common fields are generally the Primary key of the first table and Foreign key of other tables.There are 4 basic types of joins supported by PostgreSQL, namely: Inner J...	[ { "code": null, "e": 52, "s": 24, "text": "\n28 Aug, 2020" }, { "code": null, "e": 352, "s": 52, "text": "A PostgreSQL Join statement is used to combine data or rows from one(self-join) or more tables based on a common field between them. These common fields are generally the Pri...
Program to implement FLAMES game	09 Jun, 2021 FLAMES is a popular game named after the acronym: Friends, Lovers, Affectionate, Marriage, Enemies, Sibling. This game does not accurately predict whether or not an individual is right for you, but it can be fun to play this with your friends.There are two steps in this game: Take the two names. Remove th...	[ { "code": null, "e": 54, "s": 26, "text": "\n09 Jun, 2021" }, { "code": null, "e": 332, "s": 54, "text": "FLAMES is a popular game named after the acronym: Friends, Lovers, Affectionate, Marriage, Enemies, Sibling. This game does not accurately predict whether or not an individua...
Lodash _.isNil() Method	05 Sep, 2020 Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc. The _.isNil() method is used to check if the value is null or undefined. If the value is nullish then returns true otherwise it returns false. Syntax: _.isNil(value) P...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Sep, 2020" }, { "code": null, "e": 168, "s": 28, "text": "Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc." }, { "code": null, "e"...
How to play audio repeatedly using HTML5 ?	14 Jul, 2020 This article will show you how an audio file can be played repeatedly on a web page. This is done by using the loop attribute of the <audio> tag. It is used to restart the audio again and again after loading the web page. This can be used in situations where the audio has to be looped until it is specifica...	[ { "code": null, "e": 28, "s": 0, "text": "\n14 Jul, 2020" }, { "code": null, "e": 400, "s": 28, "text": "This article will show you how an audio file can be played repeatedly on a web page. This is done by using the loop attribute of the <audio> tag. It is used to restart the aud...
Writing CSV files in Python	29 Dec, 2019 CSV (Comma Separated Values) is a simple file format used to store tabular data, such as a spreadsheet or database. CSV file stores tabular data (numbers and text) in plain text. Each line of the file is a data record. Each record consists of one or more fields, separated by commas. The use of the comma as...	[ { "code": null, "e": 52, "s": 24, "text": "\n29 Dec, 2019" }, { "code": null, "e": 426, "s": 52, "text": "CSV (Comma Separated Values) is a simple file format used to store tabular data, such as a spreadsheet or database. CSV file stores tabular data (numbers and text) in plain t...
Mathematics \| Graph theory practice questions	13 Dec, 2019 Problem 1 – There are 25 telephones in Geeksland. Is it possible to connect them with wires so that each telephone is connected with exactly 7 others.Solution – Let us suppose that such an arrangement is possible. This can be viewed as a graph in which telephones are represented using vertices and wires us...	[ { "code": null, "e": 54, "s": 26, "text": "\n13 Dec, 2019" }, { "code": null, "e": 460, "s": 54, "text": "Problem 1 – There are 25 telephones in Geeksland. Is it possible to connect them with wires so that each telephone is connected with exactly 7 others.Solution – Let us suppos...
How to pass arguments to shell script in crontab ?	18 Jul, 2021 In this article, we will discuss how to schedule shell scripts in contrab and to pass necessary parameters as well. First, let’s create a simple script that we will be scheduled to run every 2 minutes. The below is a simple script that calculates the sum of all parameters passed and prints them to STDOUT a...	[ { "code": null, "e": 28, "s": 0, "text": "\n18 Jul, 2021" }, { "code": null, "e": 144, "s": 28, "text": "In this article, we will discuss how to schedule shell scripts in contrab and to pass necessary parameters as well." }, { "code": null, "e": 374, "s": 144, ...
How to Convert Image to PDF in Python?	04 Dec, 2020 img2pdf is an open source Python package to convert images to pdf format. It includes another module Pillow which can also be used to enhance image (Brightness, contrast and other things) Use this command to install the packages pip install img2pdf Below is the implementation: Image can be converted into ...	[ { "code": null, "e": 52, "s": 24, "text": "\n04 Dec, 2020" }, { "code": null, "e": 240, "s": 52, "text": "img2pdf is an open source Python package to convert images to pdf format. It includes another module Pillow which can also be used to enhance image (Brightness, contrast and ...
Tree, Back, Edge and Cross Edges in DFS of Graph	12 Dec, 2021 Consider a directed graph given in below, DFS of the below graph is 1 2 4 6 3 5 7 8. In below diagram if DFS is applied on this graph a tree is obtained which is connected using green edges. Tree Edge: It is an edge which is present in the tree obtained after applying DFS on the graph. All the Green edges...	[ { "code": null, "e": 52, "s": 24, "text": "\n12 Dec, 2021" }, { "code": null, "e": 244, "s": 52, "text": "Consider a directed graph given in below, DFS of the below graph is 1 2 4 6 3 5 7 8. In below diagram if DFS is applied on this graph a tree is obtained which is connected us...
Matplotlib.figure.Figure.suptitle() in Python	03 May, 2020 Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, which contains all the plot elements. This module is used to control the default spacing of the subplots and top level container for all plot elemen...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 May, 2020" }, { "code": null, "e": 339, "s": 28, "text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The figure module provides the top-level Artist, the Figure, which contains a...
iptables-restore command in Linux with examples	05 Mar, 2019 iptables-restore and ip6tables-restore commands are used to restore IP and IPv6 Tables from data being specified on the STDIN or in the file. Use I/O redirection provided by default from your shell to read from a file or specify the file as an argument. Syntax: iptables-restore [-chntv] [-M modprobe] [-T n...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Mar, 2019" }, { "code": null, "e": 282, "s": 28, "text": "iptables-restore and ip6tables-restore commands are used to restore IP and IPv6 Tables from data being specified on the STDIN or in the file. Use I/O redirection provided by d...
How to search a MySQL table for a specific string?	Use equal to operator for an exact match − select *from yourTableName where yourColumnName=yourValue; Let us first create a table − mysql> create table DemoTable -> ( -> FirstName varchar(100), -> LastName varchar(100) -> ); Query OK, 0 rows affected (0.70 sec Insert some records in the table using insert command − mys...	[ { "code": null, "e": 1105, "s": 1062, "text": "Use equal to operator for an exact match −" }, { "code": null, "e": 1164, "s": 1105, "text": "select *from yourTableName where yourColumnName=yourValue;" }, { "code": null, "e": 1194, "s": 1164, "text": "Let us fi...
NHibernate - Collection Mapping	In this chapter, we will be covering how to represent collections. There are different types of collections that we can use within the NHibernate such as − Lists Sets Bags Now, from the .NET perspective, we generally deal with lists or like very simple data structures, lists, dictionaries. .NET does not have a wide var...	[ { "code": null, "e": 2489, "s": 2333, "text": "In this chapter, we will be covering how to represent collections. There are different types of collections that we can use within the NHibernate such as −" }, { "code": null, "e": 2495, "s": 2489, "text": "Lists" }, { "code"...
How to compare two branches in Git?	Collaborators will use multiple branches in order to have clearly separated codebase. At some point in time, we may have to merge these branches in order to have the resulting work in the main branch. It is important that we compare the differences in the branches before merging to avoid any conflicts. We will see a co...	[ { "code": null, "e": 1431, "s": 1062, "text": "Collaborators will use multiple branches in order to have clearly separated codebase. At some point in time, we may have to merge these branches in order to have the resulting work in the main branch. It is important that we compare the differences in t...