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Docker for Data Science — A Step by Step Guide \| by Dean Pleban \| Towards Data Science	A lot has already been said about why Docker can improve your life as a data scientist. I was working on an (un-)cool depth estimation project using Fast.ai with a few friends when I stumbled upon this tweet by @jeremyphoward. It so happens that we were using Docker to create our data science workspace for the project,...	[ { "code": null, "e": 399, "s": 172, "text": "A lot has already been said about why Docker can improve your life as a data scientist. I was working on an (un-)cool depth estimation project using Fast.ai with a few friends when I stumbled upon this tweet by @jeremyphoward." }, { "code": null, ...
C++ Array Library - front() Function	The C++ function std::array::front() returns reference to the first element of the array container. If array size is zero then behavior of this method is undefined. Unlike begin() method this method returns first element itself and not iterator. Following is the declaration for std::array::front() function form std::ar...	[ { "code": null, "e": 2849, "s": 2603, "text": "The C++ function std::array::front() returns reference to the first element of the array container. If array size is zero then behavior of this method is undefined. Unlike begin()\nmethod this method returns first element itself and not iterator." }, ...
Best of arXiv—Readings for November 2021 \| by Sergi Castella i Sapé \| Towards Data Science	After a slow summer break, the ML world has been back at full speed for the past month: conferences getting back to in-person format, new parameter count records, Deepmind being the Robin Hood of Reinforcement Learning or a GPT-3 like model (T-0) now published and open-sourced. Nonetheless, as we approach the end of 20...	[ { "code": null, "e": 325, "s": 46, "text": "After a slow summer break, the ML world has been back at full speed for the past month: conferences getting back to in-person format, new parameter count records, Deepmind being the Robin Hood of Reinforcement Learning or a GPT-3 like model (T-0) now publi...
Divide an array into K subarray with the given condition - GeeksforGeeks	06 May, 2021 Given an array arr[] and an integer K. The task is to divide the array into K parts ( subarray ) such that the sum of the values of all subarray is minimum.The value of every subarray is defined as: Take the maximum from that subarray. Subtract each element of the subarray with the maximum. Take the sum ...	[ { "code": null, "e": 25378, "s": 25350, "text": "\n06 May, 2021" }, { "code": null, "e": 25579, "s": 25378, "text": "Given an array arr[] and an integer K. The task is to divide the array into K parts ( subarray ) such that the sum of the values of all subarray is minimum.The val...
Deploy a Python model (more efficiently) over Spark \| by Schaun Wheeler \| Towards Data Science	UPDATE: I wrote about another way of deploying Scikit-Learn models over Spark that avoids some of the problems of this approach. I’m posting this so other people can hopefully avoid some of the pain I had to go through. There are times when I want to train a model in scikit-learn, but model outcomes for all records in ...	[ { "code": null, "e": 301, "s": 172, "text": "UPDATE: I wrote about another way of deploying Scikit-Learn models over Spark that avoids some of the problems of this approach." }, { "code": null, "e": 855, "s": 301, "text": "I’m posting this so other people can hopefully avoid some...
Erlang - OTP	OTP stands for Open Telecom Platform. It’s an application operating system and a set of libraries and procedures used for building large-scale, fault-tolerant, distributed applications. If you want to program your own applications using OTP, then the central concept that you will find very useful is the OTP behavior. A...	[ { "code": null, "e": 2757, "s": 2301, "text": "OTP stands for Open Telecom Platform. It’s an application operating system and a set of libraries and procedures used for building large-scale, fault-tolerant, distributed applications. If you want to program your own applications using OTP, then the ce...
How to create a simple server in Node.js that display Hello World ? - GeeksforGeeks	01 Oct, 2021 A Server is a piece of computer hardware or software that provides functionality for other programs or devices, called clients. This architecture is called the client-server model. Node is an open-source, cross-platform runtime environment that allows developers to create all kinds of server-side tools and...	[ { "code": null, "e": 24557, "s": 24529, "text": "\n01 Oct, 2021" }, { "code": null, "e": 24893, "s": 24557, "text": "A Server is a piece of computer hardware or software that provides functionality for other programs or devices, called clients. This architecture is called the cli...
How to Install a Package in R ? - GeeksforGeeks	21 Apr, 2021 R programming language doesn’t come with all packages installed, and they need to be installed explicitly. In this article, we will discuss How to Install a Package in the R language. Method 1: Using application options 1. Open R studio. 2. Select tools 3. After selecting the tools you need to press instal...	[ { "code": null, "e": 24851, "s": 24823, "text": "\n21 Apr, 2021" }, { "code": null, "e": 25035, "s": 24851, "text": "R programming language doesn’t come with all packages installed, and they need to be installed explicitly. In this article, we will discuss How to Install a Packag...
Lucene - WildcardQuery	WildcardQuery is used to search documents using wildcards like '*' for any character sequence, matching a single character. Following is the declaration for org.apache.lucene.search.WildcardQuery class − public class WildcardQuery extends MultiTermQuery protected Term term WildcardQuery(Term term) boolean equals(...	[ { "code": null, "e": 1967, "s": 1843, "text": "WildcardQuery is used to search documents using wildcards like '*' for any character sequence, matching a single character." }, { "code": null, "e": 2047, "s": 1967, "text": "Following is the declaration for org.apache.lucene.search....
How to retrieve documents from a collection in MongoDB?	To retrieve documents from a collection in MongoDB, you need to use find() method. The syntax is as follows: db.yourCollectionName.find(); The above syntax will return all the documents from a collection in MongoDB. To understand the above syntax, let us create a collection with documents. The query to create documents...	[ { "code": null, "e": 1171, "s": 1062, "text": "To retrieve documents from a collection in MongoDB, you need to use find() method. The syntax is as follows:" }, { "code": null, "e": 1201, "s": 1171, "text": "db.yourCollectionName.find();" }, { "code": null, "e": 1399, ...
How to make a class thread-safe in Java?	A thread-safe class is a class that guarantees the internal state of the class as well as returned values from methods, are correct while invoked concurrently from multiple threads. The HashMap is a non-synchronized collection class. If we need to perform thread-safe operations on it then we must need to synchronize it...	[ { "code": null, "e": 1244, "s": 1062, "text": "A thread-safe class is a class that guarantees the internal state of the class as well as returned values from methods, are correct while invoked concurrently from multiple threads." }, { "code": null, "e": 1395, "s": 1244, "text": "...
_Noreturn function specifier in C - GeeksforGeeks	29 Mar, 2019 After the removal of “noreturn” keyword, C11 standard (known as final draft) of C programming language introduce a new “_Noreturn” function specifier that specify that the function does not return to the function that it was called from. If the programmer try to return any value from that function which is...	[ { "code": null, "e": 24232, "s": 24204, "text": "\n29 Mar, 2019" }, { "code": null, "e": 24632, "s": 24232, "text": "After the removal of “noreturn” keyword, C11 standard (known as final draft) of C programming language introduce a new “_Noreturn” function specifier that specify ...
Bitcoin's Monetary Policy - GeeksforGeeks	03 Jan, 2020 Bitcoin‘s Monetary Policy consists of 2 main parts: 1. The Halving 2. Block Frequency The Monetary Policy is completely controlled by Software. It’s all preprogrammed. 1. The Halving:The number of Bitcoins released into the system every 10 minutes is halved after every 4 years. Actually, the halving takes...	[ { "code": null, "e": 24984, "s": 24956, "text": "\n03 Jan, 2020" }, { "code": null, "e": 25036, "s": 24984, "text": "Bitcoin‘s Monetary Policy consists of 2 main parts:" }, { "code": null, "e": 25071, "s": 25036, "text": "1. The Halving\n2. Block Frequency " ...
gdbtui - Unix, Linux Command	GDB can do four main kinds of things (plus other things in support of these) to help you catch bugs in the act: You can use GDB to debug programs written in C, C++, and Modula-2. Fortran support will be added when a GNU Fortran compiler is ready. GDB is invoked with the shell command gdb . Once started, i...	[ { "code": null, "e": 10691, "s": 10577, "text": "\nGDB can do four main kinds of things (plus other things in support of\nthese) to help you catch bugs in the act:\n" }, { "code": null, "e": 10836, "s": 10699, "text": "\nYou can use GDB to debug programs written in C, C++, and Mo...
Creating a Cell at specific position in Excel file using Java - GeeksforGeeks	14 Apr, 2022 Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. Using POI, one should be able to perform create, modify and display/read operations on the following file formats/ it can be used to create a cell in a Given Excel file at a specific position....	[ { "code": null, "e": 24558, "s": 24530, "text": "\n14 Apr, 2022" }, { "code": null, "e": 24922, "s": 24558, "text": "Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. Using POI, one should be able to perform create,...
How to show all the tables present in the database and server in MySQL using Python?	We may sometimes require to get the list of all the tables present in our database. This can be done by using the SHOW TABLES command. The SHOW TABLES command is used to display the table names in a database as well as the server. To show the tables present in a database − SHOW TABLES The above statement when executed ...	[ { "code": null, "e": 1197, "s": 1062, "text": "We may sometimes require to get the list of all the tables present in our database. This can be done by using the SHOW TABLES command." }, { "code": null, "e": 1293, "s": 1197, "text": "The SHOW TABLES command is used to display the ...
Position of robot after given movements in C++	In this problem, we are given a robot that moves in all four directions but only one move. The directions are up(‘U’), down(‘D’), left(‘L’), right(‘R’). And we are given a string that contains initials of directions of the number. Our task is to print the final position of the robot, given the initial position of the r...	[ { "code": null, "e": 1397, "s": 1062, "text": "In this problem, we are given a robot that moves in all four directions but only one move. The directions are up(‘U’), down(‘D’), left(‘L’), right(‘R’). And we are given a string that contains initials of directions of the number. Our task is to print t...
Python 3 - String title() Method	The title() method returns a copy of the string in which first characters of all the words are capitalized. Following is the syntax for title() method − str.title(); NA This method returns a copy of the string in which first characters of all the words are capitalized. The following example shows the usage of title() ...	[ { "code": null, "e": 2448, "s": 2340, "text": "The title() method returns a copy of the string in which first characters of all the words are capitalized." }, { "code": null, "e": 2493, "s": 2448, "text": "Following is the syntax for title() method −" }, { "code": null, ...
How to set time zone in a JSP?	The <fmt:setTimeZone> tag is used to copy a time zone object into the specified scoped variable. The <fmt:setTimeZone> tag has the following attributes − <%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %> <%@ taglib uri = "http://java.sun.com/jsp/jstl/fmt" prefix = "fmt" %> <html> <head> <tit...	[ { "code": null, "e": 1159, "s": 1062, "text": "The <fmt:setTimeZone> tag is used to copy a time zone object into the specified scoped variable." }, { "code": null, "e": 1216, "s": 1159, "text": "The <fmt:setTimeZone> tag has the following attributes −" }, { "code": null, ...
How to validate a date pattern in JavaScript?	To validate a date pattern in JavaScript, try to run the following code. Here, we will check for correct as well as incorrect dates to validate Live Demo <!DOCTYPE html> <html> <body> <script> function validDate(date) { var split = date.split('/'); var date = new Date(split...	[ { "code": null, "e": 1206, "s": 1062, "text": "To validate a date pattern in JavaScript, try to run the following code. Here, we will check for correct as well as incorrect dates to validate" }, { "code": null, "e": 1216, "s": 1206, "text": "Live Demo" }, { "code": null, ...
Generating Singlish Text Messages with a LSTM Network \| by Jason Yip \| Towards Data Science	After publishing my first post on Medium, I realized how enjoyable it was to go through the whole process of conceptualizing an idea to sharing my findings and learning experience. I realized most data-related projects and solutions arise from these 2 things — 1) A problem we are trying to solve 2) An opportunity from ...	[ { "code": null, "e": 671, "s": 172, "text": "After publishing my first post on Medium, I realized how enjoyable it was to go through the whole process of conceptualizing an idea to sharing my findings and learning experience. I realized most data-related projects and solutions arise from these 2 thi...
Design Patterns - Proxy Pattern	In proxy pattern, a class represents functionality of another class. This type of design pattern comes under structural pattern. In proxy pattern, we create object having original object to interface its functionality to outer world. We are going to create an Image interface and concrete classes implementing the Image ...	[ { "code": null, "e": 2880, "s": 2751, "text": "In proxy pattern, a class represents functionality of another class. This type of design pattern comes under structural pattern." }, { "code": null, "e": 2985, "s": 2880, "text": "In proxy pattern, we create object having original ob...
Using CAPM to Evaluate the Performance of Listed Investment Companies with R \| by David Harris \| Towards Data Science	The return on an investment should compensate an investor for the time value of the capital they have invested, as well as the risk that some, or all, of their investment may be lost. The Capital Asset Pricing Model (CAPM) is widely used in finance as a means of determining the level of compensation an investor should ...	[ { "code": null, "e": 676, "s": 172, "text": "The return on an investment should compensate an investor for the time value of the capital they have invested, as well as the risk that some, or all, of their investment may be lost. The Capital Asset Pricing Model (CAPM) is widely used in finance as a m...
Python 3 - List append() Method	The append() method appends a passed obj into the existing list. Following is the syntax for append() method − list.append(obj) obj − This is the object to be appended in the list. This method does not return any value but updates existing list. The following example shows the usage of append() method. #!/usr/bin/pyth...	[ { "code": null, "e": 2405, "s": 2340, "text": "The append() method appends a passed obj into the existing list." }, { "code": null, "e": 2451, "s": 2405, "text": "Following is the syntax for append() method −" }, { "code": null, "e": 2469, "s": 2451, "text": "...
Changing the Position of List Markers in CSS	The CSS list-style-position property is used to set marker position of list items. The default value for this property is outside which sets the marker outside the list item. The syntax of CSS list-style-position property is as follows − Selector { list-style-position: /value/ } The following examples illustrate C...	[ { "code": null, "e": 1237, "s": 1062, "text": "The CSS list-style-position property is used to set marker position of list items. The default value for this property is outside which sets the marker outside the list item." }, { "code": null, "e": 1300, "s": 1237, "text": "The syn...
How to change the Y-axis values in a bar plot using ggplot2 in R?	Bar plot is frequently used to analyze the number of times a level of factor variable occurs in a data set and the Y-axis values are crucial to the bar plot. Sometimes these values are not in the form we want, therefore, we want to replace them with the new ones. This can be done with the help of breaks argument of sca...	[ { "code": null, "e": 1419, "s": 1062, "text": "Bar plot is frequently used to analyze the number of times a level of factor variable occurs in a data set and the Y-axis values are crucial to the bar plot. Sometimes these values are not in the form we want, therefore, we want to replace them with the...
How to populate an array one value at a time by taking input from user in Java?	To read data from user create a scanner class. Read the size of the array to be created from the user using nextInt() method. Create an array with the specified size. In the loop read the values from the user and store in the array created above. import java.util.Arrays; import java.util.Scanner; public class Populati...	[ { "code": null, "e": 1309, "s": 1062, "text": "To read data from user create a scanner class. Read the size of the array to be created from the user using nextInt() method. Create an array with the specified size. In the loop read the values from the user and store in the array created above." }, ...
A Guide to Streamlit — Frontend for Data Science Made Simpler \| by Yash Prakash \| Towards Data Science	Multiple times in our data science job or even in a cool side project that we dedicate our time and energy to, we face the dilemma of how to showcase our work properly. Should we build a new webpage ourselves, make sure our model works as an API and finally, put it all together as a package and expect someone else to r...	[ { "code": null, "e": 537, "s": 172, "text": "Multiple times in our data science job or even in a cool side project that we dedicate our time and energy to, we face the dilemma of how to showcase our work properly. Should we build a new webpage ourselves, make sure our model works as an API and final...
How to Auto-Detect the Date/Datetime Columns and Set Their Datatype When Reading a CSV File in Pandas \| Towards Data Science	Say I have a CSV data file that I want to read into a Pandas dataframe, and some of its columns are dates or datetimes, but I don’t want to bother identifying/specifying the names of these columns in advance. Instead I would like to automatically obtain the datatypes shown in the df.info() output pictured above, where ...	[ { "code": null, "e": 620, "s": 172, "text": "Say I have a CSV data file that I want to read into a Pandas dataframe, and some of its columns are dates or datetimes, but I don’t want to bother identifying/specifying the names of these columns in advance. Instead I would like to automatically obtain t...
Autohiding Scrollbars using Python-tkinter - GeeksforGeeks	26 Mar, 2020 Before moving on to the topic lets see what is Python Tkinter. So, we all know that Python has different options for creating GUI(s) and tkinter is one of them. It is the standard GUI library for Python. And it makes the creation of GUI applications very quick still simple when python is merged with it. It...	[ { "code": null, "e": 24317, "s": 24289, "text": "\n26 Mar, 2020" }, { "code": null, "e": 24702, "s": 24317, "text": "Before moving on to the topic lets see what is Python Tkinter. So, we all know that Python has different options for creating GUI(s) and tkinter is one of them. It...
Can the abstract methods of an interface throw an exception in java?	Yes, the abstract methods of an interface can throw an exception. In the following example the interface (MyInterface) contains an abstract method with name display, which throws an IOException. import java.io.IOException; abstract interface MyInterface { public abstract void display()throws IOException ; } You need...	[ { "code": null, "e": 1128, "s": 1062, "text": "Yes, the abstract methods of an interface can throw an exception." }, { "code": null, "e": 1257, "s": 1128, "text": "In the following example the interface (MyInterface) contains an abstract method with name display, which throws an ...
C program to store inventory system using structures	Structure is a collection of different datatype variables, grouped together under a single name. The features of structure in the C programming language are as follows − It is possible to copy the contents of all the structure elements of different datatypes to another structure variable of its type by using an assignm...	[ { "code": null, "e": 1159, "s": 1062, "text": "Structure is a collection of different datatype variables, grouped together under a single name." }, { "code": null, "e": 1232, "s": 1159, "text": "The features of structure in the C programming language are as follows −" }, { ...
How to catch a divide by zero error in C++?	The following is an example to catch a divide by zero error. Live Demo #include <iostream> using namespace std; int display(int x, int y) { if( y == 0 ) { throw "Division by zero condition!"; } return (x/y); } int main () { int a = 50; int b = 0; int c = 0; try { c = display(a, b); ...	[ { "code": null, "e": 1123, "s": 1062, "text": "The following is an example to catch a divide by zero error." }, { "code": null, "e": 1134, "s": 1123, "text": " Live Demo" }, { "code": null, "e": 1482, "s": 1134, "text": "#include <iostream>\nusing namespace st...
Develop and sell a Python API — from start to end tutorial \| by Daniel Deutsch \| Towards Data Science	I recently read a blog post about setting up your own API and selling it. I was quite inspired and wanted to test if it works. In just 5 days I was able to create an API from start to end. So I thought I share issues I came across, elaborate on concepts that the article was introducing, and provide a quick checklist to...	[ { "code": null, "e": 245, "s": 171, "text": "I recently read a blog post about setting up your own API and selling it." }, { "code": null, "e": 557, "s": 245, "text": "I was quite inspired and wanted to test if it works. In just 5 days I was able to create an API from start to en...
Angular Material 7 - Progress Bar	The <mat-progress-bar>, an Angular Directive, is used to show a progress bar with material styling. In this chapter, we will showcase the configuration required to draw a deterministic as well as indeterministic progress bar using Angular Material. Follow the following steps to update the Angular application we created...	[ { "code": null, "e": 2855, "s": 2755, "text": "The <mat-progress-bar>, an Angular Directive, is used to show a progress bar with material styling." }, { "code": null, "e": 3004, "s": 2855, "text": "In this chapter, we will showcase the configuration required to draw a determinist...
Binary representation of a given number in C++	A binary number is a number that consists of only two digits 0 and 1. For example, 01010111. There are various ways to represent a given number in binary form. This method is used to represent a number in its binary form using recursion. Step 1 : if number > 1. Follow step 2 and 3. Step 2 : push the number to a stand. ...	[ { "code": null, "e": 1155, "s": 1062, "text": "A binary number is a number that consists of only two digits 0 and 1. For example, 01010111." }, { "code": null, "e": 1222, "s": 1155, "text": "There are various ways to represent a given number in binary form." }, { "code": ...
Int16.Parse(String) Method in C# with Examples - GeeksforGeeks	12 Jun, 2019 Int16.Parse(String) Method is used to convert the string representation of a number to its 16-bit signed integer equivalent. Syntax: public static short Parse (string str); Here, str is a string that contains a number to convert. The format of str will be [optional white space][optional sign]digits[optiona...	[ { "code": null, "e": 23911, "s": 23883, "text": "\n12 Jun, 2019" }, { "code": null, "e": 24036, "s": 23911, "text": "Int16.Parse(String) Method is used to convert the string representation of a number to its 16-bit signed integer equivalent." }, { "code": null, "e": 2...
Minimum value of "max + min" in a subarray - GeeksforGeeks	13 May, 2021 Given a array of n positive elements we need to find the lowest possible sum of max and min elements in a subarray given that size of subarray should be greater than equal to 2.Examples: Input : arr[] = {1 12 2 2} Output : 4 Sum of 2+2 of subarray [2, 2] Input : arr[] = {10 20 30 40 23 45} Output : 30 ...	[ { "code": null, "e": 25080, "s": 25052, "text": "\n13 May, 2021" }, { "code": null, "e": 25269, "s": 25080, "text": "Given a array of n positive elements we need to find the lowest possible sum of max and min elements in a subarray given that size of subarray should be greater th...
How to move a file from one folder to another using Python?	The shutil module provides functions for moving files, as well as entire folders. For moving multiple files at once, you'll have to have a list of all files you want to copy and loop over them to copy them. Calling shutil.move(source, destination) will move the file at the path source to the folder at the path destinat...	[ { "code": null, "e": 1269, "s": 1062, "text": "The shutil module provides functions for moving files, as well as entire folders. For moving multiple files at once, you'll have to have a list of all files you want to copy and loop over them to copy them." }, { "code": null, "e": 1574, ...
Element repetition in list in Python	There are scenarios when we need to repeat the values in a list. This duplication of values can be achived in python in the following ways. It is a straight forward approach in which pick each element, take through a inner for loop to create its duplicate and then pass both of them to an outer for loop. Live Demo # Gi...	[ { "code": null, "e": 1202, "s": 1062, "text": "There are scenarios when we need to repeat the values in a list. This duplication of values can be achived in python in the following ways." }, { "code": null, "e": 1367, "s": 1202, "text": "It is a straight forward approach in which...