Split (1)

train · 76.6k rows

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.

title stringlengths 3 221	text stringlengths 17 477k	parsed listlengths 0 3.17k
Running previous command with sudo - GeeksforGeeks	19 Nov, 2018 Very often in linux, we execute a command only to see an error displaying ‘Permission denied.’ Then we realize that we had forgotten sudo before the command and we write the command again, this time with a sudo infront. Examples: rohan@Rohan-PC:~$ apt-get update Reading package lists... Done W: chmod 0700 ...	[ { "code": null, "e": 24015, "s": 23987, "text": "\n19 Nov, 2018" }, { "code": null, "e": 24235, "s": 24015, "text": "Very often in linux, we execute a command only to see an error displaying ‘Permission denied.’ Then we realize that we had forgotten sudo before the command and we...
Print string of odd length in 'X' format - GeeksforGeeks	25 Nov, 2021 Given a string of odd length, print the string X format.Examples : Input: 12345 Output: 1 5 2 4 3 2 4 1 5 Input: geeksforgeeks Output: g s e k e e k e s g f r ...	[ { "code": null, "e": 24379, "s": 24351, "text": "\n25 Nov, 2021" }, { "code": null, "e": 24447, "s": 24379, "text": "Given a string of odd length, print the string X format.Examples : " }, { "code": null, "e": 24836, "s": 24447, "text": "Input: 12345\nOutput:\...
F# - while..do Loops	The while...do expression is used to perform iterative execution while a specified test condition is true. while test-expression do body-expression The test-expression is evaluated first; if it is true, the body-expression is executed and the test expression is evaluated again. The body-expression must have type un...	[ { "code": null, "e": 2268, "s": 2161, "text": "The while...do expression is used to perform iterative execution while a specified test condition is true." }, { "code": null, "e": 2313, "s": 2268, "text": "while test-expression do\n body-expression\n" }, { "code": null, ...
Creating Synthetic Data for Machine Learning \| by Amizorach \| Towards Data Science	The training itself is based on Jacob Solawetz Tutorial on Training custom objects with YOLOv5 And so I will be using the YOLOv5 repository by Ultralytics. This tutorial will guide you through the steps needed to create the synthetic data and show how you can then train it with YOLOv5 in order to work on real images. I...	[ { "code": null, "e": 267, "s": 172, "text": "The training itself is based on Jacob Solawetz Tutorial on Training custom objects with YOLOv5" }, { "code": null, "e": 328, "s": 267, "text": "And so I will be using the YOLOv5 repository by Ultralytics." }, { "code": null, ...
Compute Cumulative Logistic Density in R Programming - plogis() Function - GeeksforGeeks	25 Jun, 2020 plogis() function in R Language is used to compute logistic cumulative density of the distribution. It also creates a plot of the density of the logistic cumulative distribution. Syntax: plogis(vec) Parameters:vec: Vector of x-values for density Example 1: # R program to calculate # cumulative logistic den...	[ { "code": null, "e": 25043, "s": 25015, "text": "\n25 Jun, 2020" }, { "code": null, "e": 25222, "s": 25043, "text": "plogis() function in R Language is used to compute logistic cumulative density of the distribution. It also creates a plot of the density of the logistic cumulativ...
How to Fix: No module named pandas - GeeksforGeeks	19 Dec, 2021 In this article, we will discuss how to fix the No module named pandas error. The error “No module named pandas ” will occur when there is no pandas library in your environment IE the pandas module is either not installed or there is an issue while downloading the module right. Let’s see the error by creat...	[ { "code": null, "e": 25555, "s": 25527, "text": "\n19 Dec, 2021" }, { "code": null, "e": 25633, "s": 25555, "text": "In this article, we will discuss how to fix the No module named pandas error." }, { "code": null, "e": 25834, "s": 25633, "text": "The error “N...
Node.js Redis Module - GeeksforGeeks	08 Oct, 2021 Redis is an Open Source store for storing data structures. It is used in multiple ways. It is used as a database, cache, and message broker. It can store data structures such as strings, hashes, sets, sorted sets, bitmaps, indexes, and streams. Redis is very useful for Node.js developers as it reduces the ...	[ { "code": null, "e": 26377, "s": 26349, "text": "\n08 Oct, 2021" }, { "code": null, "e": 26622, "s": 26377, "text": "Redis is an Open Source store for storing data structures. It is used in multiple ways. It is used as a database, cache, and message broker. It can store data stru...
How to get started with the Graph Data Science Library of Neo4j \| by CJ Sullivan \| Towards Data Science	The field of graph analytics has been around for a long time. The general idea is to create a database of things connecting to other things. Those things might be people connecting to other people on social media or maybe flights between cities or any number of other examples. Graphs are regularly used to enhance searc...	[ { "code": null, "e": 627, "s": 171, "text": "The field of graph analytics has been around for a long time. The general idea is to create a database of things connecting to other things. Those things might be people connecting to other people on social media or maybe flights between cities or any num...
Laravel - Facades	Facades provide a static interface to classes that are available in the application's service container. Laravel facades serve as static proxies to underlying classes in the service container, providing the benefit of a terse, expressive syntax while maintaining more testability and flexibility than traditional static ...	[ { "code": null, "e": 2801, "s": 2472, "text": "Facades provide a static interface to classes that are available in the application's service container. Laravel facades serve as static proxies to underlying classes in the service container, providing the benefit of a terse, expressive syntax while ma...
BigInteger toByteArray() Method in Java - GeeksforGeeks	12 Apr, 2022 The java.math.BigInteger.toByteArray() method returns a array of byte containing the two’s-complement representation of this BigInteger. The most significant byte of byte array is present in the zeroth element. The returning array from this method contain sing bit and contain the minimum number of bytes re...	[ { "code": null, "e": 23948, "s": 23920, "text": "\n12 Apr, 2022" }, { "code": null, "e": 24359, "s": 23948, "text": "The java.math.BigInteger.toByteArray() method returns a array of byte containing the two’s-complement representation of this BigInteger. The most significant byte ...
Pangram Checking - GeeksforGeeks	08 Apr, 2022 Given a string check if it is Pangram or not. A pangram is a sentence containing every letter in the English Alphabet.Examples : The quick brown fox jumps over the lazy dog ” is a Pangram [Contains all the characters from ‘a’ to ‘z’] “The quick brown fox jumps over the dog” is not a Pangram [Doesn’t contai...	[ { "code": null, "e": 26614, "s": 26586, "text": "\n08 Apr, 2022" }, { "code": null, "e": 26989, "s": 26614, "text": "Given a string check if it is Pangram or not. A pangram is a sentence containing every letter in the English Alphabet.Examples : The quick brown fox jumps over the...
Rotating Images using OpenCV in Java - GeeksforGeeks	21 Dec, 2021 Image rotation is a common image processing routine used to rotate images at any desired angle. This helps in image reversal, flipping, and obtaining an intended view of the image. Image rotation has applications in matching, alignment, and other image-based algorithms. OpenCV is a well-known library used ...	[ { "code": null, "e": 26231, "s": 26203, "text": "\n21 Dec, 2021" }, { "code": null, "e": 26560, "s": 26231, "text": "Image rotation is a common image processing routine used to rotate images at any desired angle. This helps in image reversal, flipping, and obtaining an intended v...
How to Capture Weather Data with your own IoT Home Station \| by Marcelo Rovai \| Towards Data Science	When we are talking about physical variables, as temperature, pressure, etc., as a Data Scientist, usually you start working from a dataset that was created somewhere else. But have you thought about how to capture those data yourself? On this tutorial we will learn how to get data from several different sensors, sendi...	[ { "code": null, "e": 407, "s": 171, "text": "When we are talking about physical variables, as temperature, pressure, etc., as a Data Scientist, usually you start working from a dataset that was created somewhere else. But have you thought about how to capture those data yourself?" }, { "code...
Java Program to Compare Strings	You can compare two Strings in Java using the compareTo() method, equals() method or == operator. The compareTo() method compares two strings. The comparison is based on the Unicode value of each character in the strings. The character sequence represented by this String object is compared lexicographically to the char...	[ { "code": null, "e": 1160, "s": 1062, "text": "You can compare two Strings in Java using the compareTo() method, equals() method or == operator." }, { "code": null, "e": 1433, "s": 1160, "text": "The compareTo() method compares two strings. The comparison is based on the Unicode ...
Add a column with the literal value in PySpark DataFrame - GeeksforGeeks	24 Sep, 2021 In this article, we are going to see how to add a column with the literal value in PySpark Dataframe. Creating dataframe for demonstration: Python3 # import SparkSession from the pysparkfrom pyspark.sql import SparkSession # build and create the# SparkSession with name "lit_value"spark = SparkSession.build...	[ { "code": null, "e": 23939, "s": 23911, "text": "\n24 Sep, 2021" }, { "code": null, "e": 24041, "s": 23939, "text": "In this article, we are going to see how to add a column with the literal value in PySpark Dataframe." }, { "code": null, "e": 24079, "s": 24041, ...
How do I plot two countplot graphs side by side in Seaborn using Matplotlib?	To plot two countplot graphs side by side in Seaborn, we can take the following steps − To create two graphs, we can use nrows=1, ncols=2 with figure size (7, 7). To create two graphs, we can use nrows=1, ncols=2 with figure size (7, 7). Create a dataframe with keys, col1 and col2, using Pandas. Create a dataframe with...	[ { "code": null, "e": 1150, "s": 1062, "text": "To plot two countplot graphs side by side in Seaborn, we can take the following steps −" }, { "code": null, "e": 1225, "s": 1150, "text": "To create two graphs, we can use nrows=1, ncols=2 with figure size (7, 7)." }, { "code...
Explain Squeeze Function C language	Squeeze(s1,s2) or squeeze(char[],char[]) is a user defined function which is used to delete the common characters or equal characters in two strings. How to delete the common characters in two strings using squeeze function in C programming language? In this program, the user enters two strings in the console and write...	[ { "code": null, "e": 1212, "s": 1062, "text": "Squeeze(s1,s2) or squeeze(char[],char[]) is a user defined function which is used to delete the common characters or equal characters in two strings." }, { "code": null, "e": 1313, "s": 1212, "text": "How to delete the common charact...
How to Remove % Sign From Data Table \| by Benjamin Obi Tayo Ph.D. \| Towards Data Science	Data wrangling is the process of transforming raw unstructured to a form that is ready for further analysis such as data visualization or for model building. Sometimes after wrangling your data, you may notice that some columns may contain symbols such as the dollar sign ($), plus sign (+), minus sign (-) or the percen...	[ { "code": null, "e": 632, "s": 172, "text": "Data wrangling is the process of transforming raw unstructured to a form that is ready for further analysis such as data visualization or for model building. Sometimes after wrangling your data, you may notice that some columns may contain symbols such as...
Building a cryptocurrency dashboard using Plotly and Binance API \| by Mayank Vadsola \| Towards Data Science	As of now, according to CoinMarketCap, the global cryptocurrency market is worth more than $1.5T. Recent approval from a couple of banks and credit card companies to include cryptocurrencies as one of their financial products indicates a bright future for the crypto market. In the last few years, more people started tr...	[ { "code": null, "e": 773, "s": 172, "text": "As of now, according to CoinMarketCap, the global cryptocurrency market is worth more than $1.5T. Recent approval from a couple of banks and credit card companies to include cryptocurrencies as one of their financial products indicates a bright future for...
Character.charValue() in Java with examples - GeeksforGeeks	06 Dec, 2018 Java.lang.Character.charValue() is a built-in method in Java that returns the value of this character object. This method converts the Character object into its primitive data type char. Syntax: public char charValue() The function does not accepts any parameter. Return Type: This method returns the pr...	[ { "code": null, "e": 23917, "s": 23889, "text": "\n06 Dec, 2018" }, { "code": null, "e": 24104, "s": 23917, "text": "Java.lang.Character.charValue() is a built-in method in Java that returns the value of this character object. This method converts the Character object into its pr...
Count pairs with sum as a prime number and less than n - GeeksforGeeks	10 Mar, 2022 Given a positive integer n, count distinct number of pairs (x, y) that satisfy following conditions : (x + y) is a prime number. (x + y) < n x != y 1 <= x, y Examples: Input : n = 6 Output : 3 prime pairs whose sum is less than 6 are: (1,2), (1,4), (2,3) Input : 12 Output : 11 prime pairs whose sum is ...	[ { "code": null, "e": 24586, "s": 24558, "text": "\n10 Mar, 2022" }, { "code": null, "e": 24689, "s": 24586, "text": "Given a positive integer n, count distinct number of pairs (x, y) that satisfy following conditions : " }, { "code": null, "e": 24716, "s": 24689, ...
Calculating Wind Chill Factor(WCF) or Wind Chill Index(WCI) in Python	Wind Chill Factor is an indication of how cold we feel not just because of the atmospheric temperature but also taking into account the speed of the wind. It combines both these factors in form of an equation and gives us a measurement of how cold it actually feels when the wind blows at a higher speed even without any...	[ { "code": null, "e": 1406, "s": 1062, "text": "Wind Chill Factor is an indication of how cold we feel not just because of the atmospheric temperature but also taking into account the speed of the wind. It combines both these factors in form of an equation and gives us a measurement of how cold it ac...
In Android how to register a custom Intent filter to a broadcast receiver?	Before getting into the example, we should know what is intent filter in android. An intent filter is an instance of the IntentFilter class. Intent filters are helpful while using implicit intents, It is not going to handle in java code, we have to set it up in AndroidManifest.xml. Android must know what kind of intent...	[ { "code": null, "e": 1475, "s": 1062, "text": "Before getting into the example, we should know what is intent filter in android. An intent filter is an instance of the IntentFilter class. Intent filters are helpful while using implicit intents, It is not going to handle in java code, we have to set ...
How to create an ordered list using HTML5 ? - GeeksforGeeks	03 Jun, 2020 In this article, we define an ordered list by using the <ol> tag in the document, This tag is used for ordered list, an ordered list can be numerical or alphabetical. Inside the <ol> tag you have to make a list li of items that will follow the order. Syntax: <ol> <li>Item1</li> <li>Item2</li> <li>...	[ { "code": null, "e": 24503, "s": 24475, "text": "\n03 Jun, 2020" }, { "code": null, "e": 24754, "s": 24503, "text": "In this article, we define an ordered list by using the <ol> tag in the document, This tag is used for ordered list, an ordered list can be numerical or alphabetic...
C Hello World Program - GeeksforGeeks	17 Jul, 2020 To begin with, the “Hello World” program is the first step towards learning any programming language and also one of the simplest programs you will learn. All one needs to do is display the message “Hello World” on the screen. Let’s look at the program and try to understand the terminologies involved in it...	[ { "code": null, "e": 24563, "s": 24535, "text": "\n17 Jul, 2020" }, { "code": null, "e": 24872, "s": 24563, "text": "To begin with, the “Hello World” program is the first step towards learning any programming language and also one of the simplest programs you will learn. All one ...
Central Limit Theorem — Explained with Examples \| by Soner Yıldırım \| Towards Data Science	The central limit theorem (CLT) is a fundamental and widely used theorem in the field of statistics. Before we go in detail on CLT, let’s define some terms that will make it easier to comprehend the idea behind CLT. Population is all elements in a group. For example, college students in US is a population that includes...	[ { "code": null, "e": 388, "s": 172, "text": "The central limit theorem (CLT) is a fundamental and widely used theorem in the field of statistics. Before we go in detail on CLT, let’s define some terms that will make it easier to comprehend the idea behind CLT." }, { "code": null, "e": 63...
How do we upload external file on a website using HTML forms?	If you want to allow a user to upload an external file to your website, you need to use a file upload box, also known as a file select box. This is also created using the <input> element but type attribute is set to file. Live Demo You can try to run the following code to upload an external file to your website − <!DOC...	[ { "code": null, "e": 1284, "s": 1062, "text": "If you want to allow a user to upload an external file to your website, you need to use a file upload box, also known as a file select box. This is also created using the <input> element but type attribute is set to file." }, { "code": null, ...
TensorFlow - Single Layer Perceptron	For understanding single layer perceptron, it is important to understand Artificial Neural Networks (ANN). Artificial neural networks is the information processing system the mechanism of which is inspired with the functionality of biological neural circuits. An artificial neural network possesses many processing units...	[ { "code": null, "e": 2734, "s": 2315, "text": "For understanding single layer perceptron, it is important to understand Artificial Neural Networks (ANN). Artificial neural networks is the information processing system the mechanism of which is inspired with the functionality of biological neural cir...
How can I restore multiple databases or all databases dumped by mysqldump?	Suppose if we have dumped multiple databases or all the databases and now want to restore it then we can do it with the following example − C:\mysql\bin>mysql -u root < tutorials_query1.sql With the help of above query, we are restoring the dumped multiple databases named ‘tutorials’ and ‘query1’, which are dumped in t...	[ { "code": null, "e": 1327, "s": 1187, "text": "Suppose if we have dumped multiple databases or all the databases and now want to restore it then we can do it with the following example −" }, { "code": null, "e": 1377, "s": 1327, "text": "C:\\mysql\\bin>mysql -u root < tutorials_q...
Python program to print the hexadecimal value of the numbers from 1 to N	03 Jan, 2021 Given a number N, the task is to write a Python program to print the hexadecimal value of the numbers from 1 to N. Examples: Input: 3 Output: 1 2 3 Input: 11 Output: 1 2 3 4 5 6 7 8 9 a b Approach: We will take...	[ { "code": null, "e": 28, "s": 0, "text": "\n03 Jan, 2021" }, { "code": null, "e": 143, "s": 28, "text": "Given a number N, the task is to write a Python program to print the hexadecimal value of the numbers from 1 to N." }, { "code": null, "e": 153, "s": 143, ...
Containers in Bootstrap with examples	27 Apr, 2022 In bootstrap, the container is used to set the content’s margin. It contains row elements and the row elements are containers of columns. This is known as the grid system. There are two container classes in bootstrap: .container.container-fluid .container .container-fluid Let’s look at each of the above ...	[ { "code": null, "e": 53, "s": 25, "text": "\n27 Apr, 2022" }, { "code": null, "e": 273, "s": 53, "text": "In bootstrap, the container is used to set the content’s margin. It contains row elements and the row elements are containers of columns. This is known as the grid system. Th...
How to specify no border in CSS ?	26 Mar, 2021 We can specify the no border property using CSS border: none, border-width : 0, border : 0 properties. Approach 1: We will give border-color, border-style properties to both headings, for showing text with border and no-border. For no border heading, we will use the border-width : 0 which will result in no...	[ { "code": null, "e": 28, "s": 0, "text": "\n26 Mar, 2021" }, { "code": null, "e": 131, "s": 28, "text": "We can specify the no border property using CSS border: none, border-width : 0, border : 0 properties." }, { "code": null, "e": 143, "s": 131, "text": "App...
MongoDB – countDocuments() Method	05 Feb, 2021 In MongoDB, the countDocuments() method counts the number of documents that matches to the selection criteria. It returns a numeric value that represents the total number of documents that match the selection criteria. It takes two arguments first one is the selection criteria and other is optional. This ...	[ { "code": null, "e": 28, "s": 0, "text": "\n05 Feb, 2021" }, { "code": null, "e": 330, "s": 28, "text": "In MongoDB, the countDocuments() method counts the number of documents that matches to the selection criteria. It returns a numeric value that represents the total number of d...
SUBSTRING_INDEX() function in MySQL	23 Sep, 2020 SUBSTRING_INDEX() function in MySQL is used to return a substring from a string before a specified number of occurrences of the delimiter. Syntax : SUBSTRING_INDEX( str, delim, count ) Parameter : This method accepts three-parameter as mentioned above and described below : str : The original string from w...	[ { "code": null, "e": 54, "s": 26, "text": "\n23 Sep, 2020" }, { "code": null, "e": 193, "s": 54, "text": "SUBSTRING_INDEX() function in MySQL is used to return a substring from a string before a specified number of occurrences of the delimiter." }, { "code": null, "e"...
Streams on Arrays in Java 8	21 Aug, 2021 In this article, we would be going through stream method of Arrays class which is added in Java 8, it simplifies many operations on arrays as well have improved the efficiency. Addition of different features like lambdas and streams in java 8 have made java efficient to write elegant code which have improv...	[ { "code": null, "e": 28, "s": 0, "text": "\n21 Aug, 2021" }, { "code": null, "e": 415, "s": 28, "text": "In this article, we would be going through stream method of Arrays class which is added in Java 8, it simplifies many operations on arrays as well have improved the efficiency...
numpy.degrees() and rad2deg() in Python	04 Dec, 2020 The numpy.degrees() is a mathematical function that helps user to convert angles from radians to degrees. Syntax : numpy.degrees(x[, out]) = ufunc ‘degrees’)Parameters : array : [array_like] elements are in radians.out : [ndaaray, optional] Output array of same shape as x. 2pi Radians = 360 degrees ...	[ { "code": null, "e": 28, "s": 0, "text": "\n04 Dec, 2020" }, { "code": null, "e": 134, "s": 28, "text": "The numpy.degrees() is a mathematical function that helps user to convert angles from radians to degrees." }, { "code": null, "e": 198, "s": 134, "text": "...
Python – Edge Detection using Pillow	16 Dec, 2021 Edge Detection, is an Image Processing discipline that incorporates mathematics methods to find edges in a Digital Image. Edge Detection internally works by running a filter/Kernel over a Digital Image, which detects discontinuities in Image regions like stark changes in brightness/Intensity value of pixel...	[ { "code": null, "e": 54, "s": 26, "text": "\n16 Dec, 2021" }, { "code": null, "e": 364, "s": 54, "text": "Edge Detection, is an Image Processing discipline that incorporates mathematics methods to find edges in a Digital Image. Edge Detection internally works by running a filter/...
Leap Year \| Practice \| GeeksforGeeks	For an input year N, find whether the year is a leap or not. Example 1: Input: N = 4 Output: 1 Explanation: 4 is not divisible by 100 and is divisible by 4 so its a leap year Example 2: Input: N = 2021 Output: 0 Explanation: 2021 is not divisible by 100 and is also not divisible by 4 so its not a leap year Your Tas...	[ { "code": null, "e": 302, "s": 238, "text": "For an input year N, find whether the year is a leap or not. \n " }, { "code": null, "e": 313, "s": 302, "text": "Example 1:" }, { "code": null, "e": 416, "s": 313, "text": "Input:\nN = 4\nOutput:\n1\nExplanation:\n...
Chronometer in Kotlin	28 Mar, 2022 Android ChronoMeter is user interface control which shows timer in the view. We can easily start up or down counter with base time using the chronometer widget. By default, start() method can assume base time and starts the counter.Generally, we can create use ChronoMeter widget in XML layout but we can do...	[ { "code": null, "e": 54, "s": 26, "text": "\n28 Mar, 2022" }, { "code": null, "e": 388, "s": 54, "text": "Android ChronoMeter is user interface control which shows timer in the view. We can easily start up or down counter with base time using the chronometer widget. By default, s...
ML \| K-Medoids clustering with solved example	07 Aug, 2020 K-Medoids (also called as Partitioning Around Medoid) algorithm was proposed in 1987 by Kaufman and Rousseeuw. A medoid can be defined as the point in the cluster, whose dissimilarities with all the other points in the cluster is minimum. The dissimilarity of the medoid(Ci) and object(Pi) is calculated by ...	[ { "code": null, "e": 52, "s": 24, "text": "\n07 Aug, 2020" }, { "code": null, "e": 291, "s": 52, "text": "K-Medoids (also called as Partitioning Around Medoid) algorithm was proposed in 1987 by Kaufman and Rousseeuw. A medoid can be defined as the point in the cluster, whose diss...