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Minimum Cost To Make Two Strings Identical - GeeksforGeeks	04 Mar, 2022 Given two strings X and Y, and two values costX and costY. We need to find minimum cost required to make the given two strings identical. We can delete characters from both the strings. The cost of deleting a character from string X is costX and from Y is costY. Cost of removing all characters from a strin...	[ { "code": null, "e": 24841, "s": 24813, "text": "\n04 Mar, 2022" }, { "code": null, "e": 25160, "s": 24841, "text": "Given two strings X and Y, and two values costX and costY. We need to find minimum cost required to make the given two strings identical. We can delete characters ...
Java Program to Write a Paragraph in a Word Document - GeeksforGeeks	02 Dec, 2020 Java provides us various packages in-built into the environment, which facilitate the ease of reading, writing, and modifying the documents. The package org.apache.poi.xwpf.usermodel provides us the various features of formatting and appending the content in word documents. There are various classes availa...	[ { "code": null, "e": 23948, "s": 23920, "text": "\n02 Dec, 2020" }, { "code": null, "e": 24542, "s": 23948, "text": "Java provides us various packages in-built into the environment, which facilitate the ease of reading, writing, and modifying the documents. The package org.apache...
Get table column names in alphabetical order in MySQL?	To get the table column names in alphabetical order, you need to use ORDER BY. The syntax is as follows − SELECT anyReferenceName.COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS anyReferenceName WHERE anyReferenceName.TABLE_NAME = ’yourTableName’ ORDER BY anyReferenceName.COLUMN_NAME First, we need to get all the columns a...	[ { "code": null, "e": 1168, "s": 1062, "text": "To get the table column names in alphabetical order, you need to use ORDER BY. The syntax\nis as follows −" }, { "code": null, "e": 1343, "s": 1168, "text": "SELECT anyReferenceName.COLUMN_NAME FROM\nINFORMATION_SCHEMA.COLUMNS anyRef...
11 Essential Code Blocks for EDA (Exploratory Data Analysis) \| by Susan Maina \| Jan, 2021 \| Towards Data Science \| Towards Data Science	Exploratory Data Analysis, or EDA, is one of the first steps of the data science process. It involves learning as much as possible about the data, without spending too much time. Here, you get an instinctive as well as a high-level practical understanding of the data. By the end of this process, you should have a gener...	[ { "code": null, "e": 610, "s": 172, "text": "Exploratory Data Analysis, or EDA, is one of the first steps of the data science process. It involves learning as much as possible about the data, without spending too much time. Here, you get an instinctive as well as a high-level practical understanding...
Report Groups	Groups in JasperReports help to organize data on report in a logical manner. A report group represents a sequence of consecutive records in the data source, which have something in common, such as the value of a certain report fields. A report group is defined by the <group> element. A report can have any number of gro...	[ { "code": null, "e": 2641, "s": 2254, "text": "Groups in JasperReports help to organize data on report in a logical manner. A report group represents a sequence of consecutive records in the data source, which have something in common, such as the value of a certain report fields. A report group is ...
Get unique values from a column in Pandas DataFrame - GeeksforGeeks	10 Dec, 2018 Let’s discuss how to get unique values from a column in Pandas DataFrame. Create a simple dataframe with dictionary of lists, say columns name are A, B, C, D, E with duplicate elements. Now, let’s get the unique values of a column in this dataframe. Example #1: Get the unique values of ‘B’ column # Import ...	[ { "code": null, "e": 24671, "s": 24643, "text": "\n10 Dec, 2018" }, { "code": null, "e": 24745, "s": 24671, "text": "Let’s discuss how to get unique values from a column in Pandas DataFrame." }, { "code": null, "e": 24857, "s": 24745, "text": "Create a simple ...
Update a column of text with MySQL REPLACE()	Let us first create a table − mysql> create table DemoTable ( Code varchar(100) ); Query OK, 0 rows affected (0.50 sec) Insert some records in the table using insert command − mysql> insert into DemoTable values('8565-9848-7474'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable values('9994-6464-873...	[ { "code": null, "e": 1092, "s": 1062, "text": "Let us first create a table −" }, { "code": null, "e": 1185, "s": 1092, "text": "mysql> create table DemoTable\n(\n Code varchar(100)\n);\nQuery OK, 0 rows affected (0.50 sec)" }, { "code": null, "e": 1241, "s": 118...
Working with Missing Data in Pandas - GeeksforGeeks	20 May, 2021 Missing Data can occur when no information is provided for one or more items or for a whole unit. Missing Data is a very big problem in a real-life scenarios. Missing Data can also refer to as NA(Not Available) values in pandas. In DataFrame sometimes many datasets simply arrive with missing data, either b...	[ { "code": null, "e": 24441, "s": 24413, "text": "\n20 May, 2021" }, { "code": null, "e": 24985, "s": 24441, "text": "Missing Data can occur when no information is provided for one or more items or for a whole unit. Missing Data is a very big problem in a real-life scenarios. Miss...
Express.js \| app.METHOD() Function - GeeksforGeeks	18 Jun, 2020 The app.METHOD() function is used to route an HTTP request, where METHOD is the HTTP method of the request, such as GET, PUT, POST, and so on, in lowercase. Thus, the actual methods are app.get(), app.post(), app.put(), and so on. Syntax: app.METHOD(path, callback [, callback ...]) Parameters: Path: The pa...	[ { "code": null, "e": 24759, "s": 24731, "text": "\n18 Jun, 2020" }, { "code": null, "e": 24990, "s": 24759, "text": "The app.METHOD() function is used to route an HTTP request, where METHOD is the HTTP method of the request, such as GET, PUT, POST, and so on, in lowercase. Thus, ...
HTML Web Resources	In this chapter, we will learn about the various web resources in Microsoft Dynamics CRM. An HTML Web Resource in CRM can contain any HTML content that can be rendered on a browser. Consider the following scenarios where you would like to use HTML Web Resources − You have a static HTML page that you want to show inside...	[ { "code": null, "e": 2131, "s": 2041, "text": "In this chapter, we will learn about the various web resources in Microsoft Dynamics CRM." }, { "code": null, "e": 2305, "s": 2131, "text": "An HTML Web Resource in CRM can contain any HTML content that can be rendered on a browser. ...
Beyond Grid Search: Hypercharge Hyperparameter Tuning for XGBoost \| by Druce Vertes \| Towards Data Science	Bayesian optimization of machine learning model hyperparameters works faster and better than grid search. Here’s how we can speed up hyperparameter tuning with 1) Bayesian optimization with Hyperopt and Optuna, running on... 2) the Ray distributed machine learning framework, with a unified Ray Tune API to many hyperpar...	[ { "code": null, "e": 618, "s": 172, "text": "Bayesian optimization of machine learning model hyperparameters works faster and better than grid search. Here’s how we can speed up hyperparameter tuning with 1) Bayesian optimization with Hyperopt and Optuna, running on... 2) the Ray distributed machine...
Error-in-Variables Models: Deming Regression \| by Dr. Robert Kübler \| Towards Data Science	Machine learning is often all about the following question: Given a dataset (X, y), where X is a feature matrix and y is a target vector, find an f with f(X) ≈ y. We usually do not enforce a strict equality à la f(X) = y because there are errors in the target values y. These errors arise from the fact that we usually ...	[ { "code": null, "e": 107, "s": 47, "text": "Machine learning is often all about the following question:" }, { "code": null, "e": 210, "s": 107, "text": "Given a dataset (X, y), where X is a feature matrix and y is a target vector, find an f with f(X) ≈ y." }, { "code": nu...
numpy.geomspace() in Python - GeeksforGeeks	31 May, 2021 numpy.geomspace() is used to return numbers spaced evenly on a log scale (a geometric progression). This is similar to numpy.logspace() but with endpoints specified directly. Each output sample is a constant multiple of the previous. Syntax : numpy.geomspace(start, stop, num=50, endpoint=True, dtype=None...	[ { "code": null, "e": 23755, "s": 23727, "text": "\n31 May, 2021" }, { "code": null, "e": 23991, "s": 23755, "text": "numpy.geomspace() is used to return numbers spaced evenly on a log scale (a geometric progression). This is similar to numpy.logspace() but with endpoints specifie...
How to download APK files from Google Play Store on Linux	Do you know how to download APK (Android packaging kit) files from Google Play store on Linux? One of the easiest way is to install APK on Android mobile for downloading APK files from Google Play Store to Hard Disk and install them on the Android device manually. There are several ways to download APK file(s) on Linux...	[ { "code": null, "e": 1327, "s": 1062, "text": "Do you know how to download APK (Android packaging kit) files from Google Play store on Linux? One of the easiest way is to install APK on Android mobile for downloading APK files from Google Play Store to Hard Disk and install them on the Android devic...
DUAL table in SQL - GeeksforGeeks	25 Aug, 2020 There may be a situation where we want to query something that is not from a table. For example, getting the current date or querying a simple arithmetic expression like 2+2. In Oracle, clause FROM is not exceptional. If we don’t write the FROM clause in Oracle, we’ll get an error. Example-1: Oracle Query ...	[ { "code": null, "e": 24374, "s": 24346, "text": "\n25 Aug, 2020" }, { "code": null, "e": 24549, "s": 24374, "text": "There may be a situation where we want to query something that is not from a table. For example, getting the current date or querying a simple arithmetic expressio...
How to find Segmentation Error in C & C++ ? (Using GDB)	03 Sep, 2018 What is Segmentation Error ?– It is the runtime error caused because of the memory access violation. For Eg :-Stackoverflow, read violation etc..We often face this problem when working out with pointers in c++/c.In this example we will see how to find the segmentation error in the program. We will find whi...	[ { "code": null, "e": 52, "s": 24, "text": "\n03 Sep, 2018" }, { "code": null, "e": 517, "s": 52, "text": "What is Segmentation Error ?– It is the runtime error caused because of the memory access violation. For Eg :-Stackoverflow, read violation etc..We often face this problem wh...
Program to find third side of triangle using law of cosines	08 Jun, 2022 Given two sides A, B and angle C. Find the third side of the triangle using law of cosines.Examples: Input : a = 5, b = 8, c = 49 Output : 6.04339 In particular, the Law of Cosines can be used to find the length of the third side of a triangle when you know the length of two sides and the angle in be...	[ { "code": null, "e": 54, "s": 26, "text": "\n08 Jun, 2022" }, { "code": null, "e": 157, "s": 54, "text": "Given two sides A, B and angle C. Find the third side of the triangle using law of cosines.Examples: " }, { "code": null, "e": 205, "s": 157, "text": "In...
Neo4j Create Relationship	23 Aug, 2019 In Neo4j to create relationship between nodes you have to use the CREATE statement like we used to create nodes. lets create relation between two already created nodes.Example: Already created nodes: Query to create relation:$ MATCH (a:GeeksforGeeks), (b:W3School) WHERE a.Name = "A Computer Science Portal...	[ { "code": null, "e": 28, "s": 0, "text": "\n23 Aug, 2019" }, { "code": null, "e": 205, "s": 28, "text": "In Neo4j to create relationship between nodes you have to use the CREATE statement like we used to create nodes. lets create relation between two already created nodes.Example...
Lagrange’s Interpolation	03 Dec, 2021 What is Interpolation? Interpolation is a method of finding new data points within the range of a discrete set of known data points (Source Wiki). In other words interpolation is the technique to estimate the value of a mathematical function, for any intermediate value of the independent variable. For exam...	[ { "code": null, "e": 54, "s": 26, "text": "\n03 Dec, 2021" }, { "code": null, "e": 460, "s": 54, "text": "What is Interpolation? Interpolation is a method of finding new data points within the range of a discrete set of known data points (Source Wiki). In other words interpolatio...
Select a random number from stream, with O(1) space	21 Jan, 2022 Given a stream of numbers, generate a random number from the stream. You are allowed to use only O(1) space and the input is in the form of a stream, so can’t store the previously seen numbers. So how do we generate a random number from the whole stream such that the probability of picking any number is 1/...	[ { "code": null, "e": 52, "s": 24, "text": "\n21 Jan, 2022" }, { "code": null, "e": 850, "s": 52, "text": "Given a stream of numbers, generate a random number from the stream. You are allowed to use only O(1) space and the input is in the form of a stream, so can’t store the previ...
Python \| Parse a website with regex and urllib	23 Jan, 2019 Let’s discuss the concept of parsing using python. In python we have lot of modules but for parsing we only need urllib and re i.e regular expression. By using both of these libraries we can fetch the data on web pages. Note that parsing of websites means that fetch the whole source code and that we want t...	[ { "code": null, "e": 52, "s": 24, "text": "\n23 Jan, 2019" }, { "code": null, "e": 272, "s": 52, "text": "Let’s discuss the concept of parsing using python. In python we have lot of modules but for parsing we only need urllib and re i.e regular expression. By using both of these ...
Swing Examples - Using Buttons	Following example showcase how to use standard buttons in a Java Swing application. We are using the following APIs. JButton − To create a standard button. JButton − To create a standard button. JButton.setEnabled(false); − To disable a button. JButton.setEnabled(false); − To disable a button. getRootPane().setDefaultB...	[ { "code": null, "e": 2123, "s": 2039, "text": "Following example showcase how to use standard buttons in a Java Swing application." }, { "code": null, "e": 2156, "s": 2123, "text": "We are using the following APIs." }, { "code": null, "e": 2195, "s": 2156, "te...
How to Concatenate tuples to nested tuples in Python	When it is required to concatenate tuples to nested tuples, the '+' operator can be used. A tuple is an immutable data type. It means, values once defined can't be changed by accessing their index elements. If we try to change the elements, it results in an error. They are important contains since they ensure read-only...	[ { "code": null, "e": 1391, "s": 1062, "text": "When it is required to concatenate tuples to nested tuples, the '+' operator can be used. A tuple is an immutable data type. It means, values once defined can't be changed by accessing their index elements. If we try to change the elements, it results i...
Contractive Autoencoder (CAE) - GeeksforGeeks	18 Jan, 2022 Contractive Autoencoder was proposed by the researchers at the University of Toronto in 2011 in the paper Contractive auto-encoders: Explicit invariance during feature extraction. The idea behind that is to make the autoencoders robust of small changes in the training dataset. To deal with the above challe...	[ { "code": null, "e": 23953, "s": 23925, "text": "\n18 Jan, 2022" }, { "code": null, "e": 24231, "s": 23953, "text": "Contractive Autoencoder was proposed by the researchers at the University of Toronto in 2011 in the paper Contractive auto-encoders: Explicit invariance during fea...
What are C++ Floating-Point Constants?	Floating-point constants specify values that must have a fractional part. Floating-point constants have a "mantissa," which specifies the value of the number, an "exponent," which specifies the magnitude of the number, and an optional suffix that specifies the constant's type(double or float). The mantissa is specified...	[ { "code": null, "e": 1136, "s": 1062, "text": "Floating-point constants specify values that must have a fractional part." }, { "code": null, "e": 1357, "s": 1136, "text": "Floating-point constants have a \"mantissa,\" which specifies the value of the number, an \"exponent,\" whic...
JavaScript - Array constructor Property	JavaScript array constructor property returns a reference to the array function that created the instance's prototype. Its syntax is as follows − array.constructor Returns the function that created this object's instance. Try the following example. <html> <head> <title>JavaScript Array constructor Property</t...	[ { "code": null, "e": 2585, "s": 2466, "text": "JavaScript array constructor property returns a reference to the array function that created the instance's prototype." }, { "code": null, "e": 2612, "s": 2585, "text": "Its syntax is as follows −" }, { "code": null, "e":...
How to convert a data frame to data.table in R?	Since operations with data.table are sometimes faster than the data frames, we might want to convert a data frame to a data.table object. The main difference between data frame and data.table is that data frame is available in the base R but to use data.table we have to install the package data.table. We can do this wi...	[ { "code": null, "e": 1436, "s": 1062, "text": "Since operations with data.table are sometimes faster than the data frames, we might want to convert a data frame to a data.table object. The main difference between data frame and data.table is that data frame is available in the base R but to use data...
CAST function in Cassandra - GeeksforGeeks	30 Oct, 2019 CAST function helps in Converts data from one data type to another data type in Cassandra. In Cassandra CAST function Supported in SELECT statements. lets have a look how we can used CAST function in select statement. SELECT CAST([fieldname] AS [data type]) FROM [table name] Basic function of CAST: It Co...	[ { "code": null, "e": 23647, "s": 23619, "text": "\n30 Oct, 2019" }, { "code": null, "e": 23738, "s": 23647, "text": "CAST function helps in Converts data from one data type to another data type in Cassandra." }, { "code": null, "e": 23865, "s": 23738, "text": ...
AVRO - Deserialization Using Parsers	As mentioned earlier, one can read an Avro schema into a program either by generating a class corresponding to a schema or by using the parsers library. In Avro, data is always stored with its corresponding schema. Therefore, we can always read a serialized item without code generation. This chapter describes how to re...	[ { "code": null, "e": 2149, "s": 1861, "text": "As mentioned earlier, one can read an Avro schema into a program either by generating a class corresponding to a schema or by using the parsers library. In Avro, data is always stored with its corresponding schema. Therefore, we can always read a serial...
C# \| Creating a read-only wrapper for the List - GeeksforGeeks	27 Jan, 2019 List<T>.AsReadOnly Method is used to get a read-only ReadOnlyCollection<T> wrapper for the current collection. Syntax: public System.Collections.ObjectModel.ReadOnlyCollection AsReadOnly (); Return Value: It returns an object that acts as a read-only wrapper around the current List<T>. Example: // C# code ...	[ { "code": null, "e": 23994, "s": 23966, "text": "\n27 Jan, 2019" }, { "code": null, "e": 24105, "s": 23994, "text": "List<T>.AsReadOnly Method is used to get a read-only ReadOnlyCollection<T> wrapper for the current collection." }, { "code": null, "e": 24113, "s":...
Operating System - Processes	A process is basically a program in execution. The execution of a process must progress in a sequential fashion. To put it in simple terms, we write our computer programs in a text file and when we execute this program, it becomes a process which performs all the tasks mentioned in the program. When a program is loaded...	[ { "code": null, "e": 2027, "s": 1914, "text": "A process is basically a program in execution. The execution of a process must progress in a sequential fashion." }, { "code": null, "e": 2210, "s": 2027, "text": "To put it in simple terms, we write our computer programs in a text f...
How to check the existence of key in an object using AngularJS ? - GeeksforGeeks	14 Oct, 2020 Given an object containing (key, value) pair and the task is to check whether a key exists in an object or not using AngularJS. Approach: The approach is to use the in operator to check whether a key exists in object or not. In first example the key “Prop_1” is input and it exists in the object. In the sec...	[ { "code": null, "e": 25109, "s": 25081, "text": "\n14 Oct, 2020" }, { "code": null, "e": 25237, "s": 25109, "text": "Given an object containing (key, value) pair and the task is to check whether a key exists in an object or not using AngularJS." }, { "code": null, "e"...
\mapsto - Tex Command	\mapsto - Used to draw mapsto symbol. { \mapsto } \mapsto command is used to draw mapsto symbol. \mapsto ↦ \mapsto ↦ \mapsto 14 Lectures 52 mins Ashraf Said 11 Lectures 1 hours Ashraf Said 9 Lectures 1 hours Emenwa Global, Ejike IfeanyiChukwu 29 Lectures 2.5 h...	[ { "code": null, "e": 8024, "s": 7986, "text": "\\mapsto - Used to draw mapsto symbol." }, { "code": null, "e": 8036, "s": 8024, "text": "{ \\mapsto }" }, { "code": null, "e": 8083, "s": 8036, "text": "\\mapsto command is used to draw mapsto symbol." }, { ...
Topic Modeling in Python: Latent Dirichlet Allocation (LDA) \| by Shashank Kapadia \| Towards Data Science	Preface: This article aims to provide consolidated information on the underlying topic and is not to be considered as the original work. The information and the code are repurposed through several online articles, research papers, books, and open-source code Topic Models, in a nutshell, are a type of statistical langua...	[ { "code": null, "e": 431, "s": 172, "text": "Preface: This article aims to provide consolidated information on the underlying topic and is not to be considered as the original work. The information and the code are repurposed through several online articles, research papers, books, and open-source c...
How to join tables using SQL to combine datasets \| by Kate Marie Lewis \| Towards Data Science	For the last 4 weeks my friends and I have been helping each other learn new skills while social distancing. We are learning data science as an online study group. We are nearly finished the SQL portion. I am so proud of everyone’s efforts and how willing they have been to have a go at something new. In the last couple...	[ { "code": null, "e": 474, "s": 172, "text": "For the last 4 weeks my friends and I have been helping each other learn new skills while social distancing. We are learning data science as an online study group. We are nearly finished the SQL portion. I am so proud of everyone’s efforts and how willing...
How to replace values of a Python dictionary?	You can assign a dictionary value to a variable in Python using the access operator []. For example, my_dict = { 'foo': 42, 'bar': 12.5 } new_var = my_dict['foo'] print(new_var) This will give the output − 42 This syntax can also be used to reassign the value associated with this key. For example, my_dict = { ...	[ { "code": null, "e": 1163, "s": 1062, "text": "You can assign a dictionary value to a variable in Python using the access operator []. For example," }, { "code": null, "e": 1246, "s": 1163, "text": "my_dict = {\n 'foo': 42,\n 'bar': 12.5\n}\nnew_var = my_dict['foo']\nprint(ne...
How to disable action bar permanently in Android?	This example demonstrate about How to disable action bar permanently in Android. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.java <? xml version= "1.0" encoding= "utf-8" ?> <R...	[ { "code": null, "e": 1143, "s": 1062, "text": "This example demonstrate about How to disable action bar permanently in Android." }, { "code": null, "e": 1272, "s": 1143, "text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required detai...
Sorting algorithm visualization : Heap Sort - GeeksforGeeks	28 Dec, 2021 An algorithm like Heap sort can be understood easily by visualizing. In this article, a program that visualizes the Heap Sort Algorithm has been implemented. The Graphical User Interface(GUI) is implemented in Python using pygame library. Generate random array and fill the pygame window with bars. Bars ar...	[ { "code": null, "e": 24347, "s": 24316, "text": " \n28 Dec, 2021\n" }, { "code": null, "e": 24505, "s": 24347, "text": "An algorithm like Heap sort can be understood easily by visualizing. In this article, a program that visualizes the Heap Sort Algorithm has been implemented." ...
Creating Word Embeddings for Out-Of-Vocabulary (OOV) words such as Singlish \| by Timothy Tan \| Towards Data Science	In this article, I will share how I created Singlish Word Embeddings to be used for downstream Natural Language Processing (NLP) tasks. But why you might ask? To understand my motivation for such a task, you first need to understand what word embeddings are and their importance in NLP. When it comes to Natural Language...	[ { "code": null, "e": 308, "s": 172, "text": "In this article, I will share how I created Singlish Word Embeddings to be used for downstream Natural Language Processing (NLP) tasks." }, { "code": null, "e": 331, "s": 308, "text": "But why you might ask?" }, { "code": null,...
Train a Neural Network to classify images and optimize CPU inferencing in 10mins \| by Ojas Dileep Sawant \| Towards Data Science	There are tons of resources out there on simplified Training and optimized pre-trained Inferencing models. However, training something custom to optimize performance on readily available hardware with minimal effort still seemed far fetched! In this article we will leverage the concept of transfer learning where a mode...	[ { "code": null, "e": 414, "s": 172, "text": "There are tons of resources out there on simplified Training and optimized pre-trained Inferencing models. However, training something custom to optimize performance on readily available hardware with minimal effort still seemed far fetched!" }, { ...