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Building an Incremental Recommender System | by Dimitris Poulopoulos | Towards Data Science | Learning Rate is a newsletter for those who are curious about the world of AI and MLOps. You’ll hear from me every Friday with updates and thoughts on the latest AI news and articles. Subscribe here!
Part II of this story is now published via Towards Data Science below.
towardsdatascience.com
Although I will try to kee... | [
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"text": "Learning Rate is a newsletter for those who are curious about the world of AI and MLOps. You’ll hear from me every Friday with updates and thoughts on the latest AI news and articles. Subscribe here!"
},
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Field set() method in Java with Examples - GeeksforGeeks | 02 Sep, 2019
The set() method of java.lang.reflect.Field is used to set the value of the field represented by this Field object on the specified object argument to the specified new value passed as parameter. The new value is automatically unwrapped if the underlying field has a primitive type. If the field is static, ... | [
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"text": "The set() method of java.lang.reflect.Field is used to set the value of the field represented by this Field object on the specified object argument to the specifie... |
MaskTheFace — CV based tool to mask face dataset | by Aqeel Anwar | Towards Data Science | Jump to code: https://github.com/aqeelanwar/MaskTheFace
MaskTheFace is a computer vision-based script to mask faces in images. It uses a dlib based face landmarks detector to identify the face tilt and six key features of the face necessary for applying the mask. Based on the face tilt, the corresponding mask template ... | [
{
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"text": "Jump to code: https://github.com/aqeelanwar/MaskTheFace"
},
{
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"s": 228,
"text": "MaskTheFace is a computer vision-based script to mask faces in images. It uses a dlib based face landmarks detector to identify t... |
Continuous Tree in C++ | A Continuous Tree is defined as a tree with any path from root node to leaf node has value or
weight of nodes such that the absolute difference between the parent node and all of its direct
children nodes is always 1.
If we pick any node on the path from root to leaf, then
|weight of node-weight of left child node|=|we... | [
{
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"e": 1280,
"s": 1062,
"text": "A Continuous Tree is defined as a tree with any path from root node to leaf node has value or\nweight of nodes such that the absolute difference between the parent node and all of its direct\nchildren nodes is always 1."
},
{
"code": null,
"... |
Scala this keyword - GeeksforGeeks | 17 Jun, 2021
Keywords are the words in a language that are used to represent some predefined actions or some internal process. We use the this keyword when we want to introduce the current object for a class. Then using the dot operator (.), we can refer to instance variables, methods and constructors by using this key... | [
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"text": "Keywords are the words in a language that are used to represent some predefined actions or some internal process. We use the this keyword when we want to introduce... |
SQL on The Cloud With Google Cloud and Python | Towards Data Science | Everyone and their dog uses the cloud nowadays — and with good reason. It takes what used to be a tricky task and makes it as easy as falling off a log.
Developing, configuring, and hosting anything on the internet was never simple. Now imagine you need to worry about security threats that evolve daily, world-wide late... | [
{
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"text": "Everyone and their dog uses the cloud nowadays — and with good reason. It takes what used to be a tricky task and makes it as easy as falling off a log."
},
{
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"text": "Developing, configuring, and host... |
What is a materialized view in DBMS? | A materialized view is a view whose contents are computed and stored. Materialized view is also a logical virtual table, but in this case the result of the query is stored in the table or the disk. The performance of the materialized view is better than normal view since the data is stored in the disk.
It's also called... | [
{
"code": null,
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"text": "A materialized view is a view whose contents are computed and stored. Materialized view is also a logical virtual table, but in this case the result of the query is stored in the table or the disk. The performance of the materialized view is better than... |
YOLOv5 is Here!. Elephant Detector Training Using Custom... | by Mihir Rajput | Towards Data Science | YOLO “You Only Look Once” is one of the most popular and most favorite algorithms for AI engineers. It always has been the first preference for real-time object detection.
YOLO has emerged so far since it’s the first release. Let’s briefly discuss earlier versions of YOLO then we will jump straight into the training pa... | [
{
"code": null,
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"text": "YOLO “You Only Look Once” is one of the most popular and most favorite algorithms for AI engineers. It always has been the first preference for real-time object detection."
},
{
"code": null,
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"s": 344,
"text": "YOLO has emerg... |
How to create multicolored text in a web page using HTML & CSS ? - GeeksforGeeks | 20 Aug, 2021
In this article, we will learn to color the text in the web page using HTML & CSS. Basically, we can either use <font> color attribute in HTML or linear-gradient to multi-color the text using CSS. We will explore both methods & understand their usage with the help of examples.
Methods :
<font> color attrib... | [
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"text": "In this article, we will learn to color the text in the web page using HTML & CSS. Basically, we can either use <font> color attribute in HTML or linear-gradient t... |
Tk - Check Button Widget | Tk check button is used to create multiple selectable items in the form of check boxes. The syntax for check button widget is shown below −
checkbutton checkbuttonName options
The options available for the check button widget are listed below in the following table −
-font fontDescriptor
Used to set font for widget.
-... | [
{
"code": null,
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"text": "Tk check button is used to create multiple selectable items in the form of check boxes. The syntax for check button widget is shown below −"
},
{
"code": null,
"e": 2378,
"s": 2341,
"text": "checkbutton checkbuttonName options\n"
}... |
How to create a CubicCurve using JavaFX? | A cubic curve is a third-degree polynomial function of two variables.
In JavaFX a cubic curve is represented by the javafx.scene.shape.CubicCurve class. This class contains eight properties they are −
startX − This property represents the x coordinate of the starting point of the curve. You can set the value to this pr... | [
{
"code": null,
"e": 1132,
"s": 1062,
"text": "A cubic curve is a third-degree polynomial function of two variables."
},
{
"code": null,
"e": 1263,
"s": 1132,
"text": "In JavaFX a cubic curve is represented by the javafx.scene.shape.CubicCurve class. This class contains eight pro... |
PyQtGraph – Removing Item from Plot Window | 24 Sep, 2020
In this article we will see how we can remove item from the plot window in the PyQtGraph module. PyQtGraph is a graphics and user interface library for Python that provides functionality commonly required in designing and science applications. Its primary goals are to provide fast, interactive graphics for... | [
{
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"code": null,
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"text": "In this article we will see how we can remove item from the plot window in the PyQtGraph module. PyQtGraph is a graphics and user interface library for Python that provides fu... |
nmcli command in Linux with Examples | 08 Oct, 2021
nmcli is a command-line tool which is used for controlling NetworkManager. nmcli command can also be used to display network device status, create, edit, activate/deactivate, and delete network connections.
Typical Uses:
Scripts: Instead of manually managing the network connections it utilize NetworkMaa... | [
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"text": "\n08 Oct, 2021"
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"code": null,
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"s": 52,
"text": "nmcli is a command-line tool which is used for controlling NetworkManager. nmcli command can also be used to display network device status, create, edit, activate/deactivate,... |
Perl bless Function | This function tells the entity referenced by REF that it is now an object in the CLASSNAME package, or the current package if CLASSNAME is omitted. Use of the two-argument form of bless is recommended.
Following is the simple syntax for this function −
bless REF, CLASSNAME
bless REF
This function returns the referenc... | [
{
"code": null,
"e": 2556,
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"text": "This function tells the entity referenced by REF that it is now an object in the CLASSNAME package, or the current package if CLASSNAME is omitted. Use of the two-argument form of bless is recommended."
},
{
"code": null,
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Python PIL | Image.point() method | 17 Jul, 2019
PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The Image module provides a class with the same name which is used to represent a PIL image. The module also provides a number of factory functions, including functions to load images from files, and to... | [
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"code": null,
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"text": "PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The Image module provides a class with the same name which is used to ... |
Gate IT 2005 - GeeksforGeeks | 29 Sep, 2021
(A ⊕ B) ⊕ C
By Solving, We get
= (A ⊕ B)′ C + (A ⊕ B) C′
The above expression can be written as:
= (A ⊙ B) C + (A ⊕ B) C′
Now,
= (AB + A′B′) C + (A ⊕ B) C′
= ABC + A′B′C + AB′C′ + A′BC′ [As: X + X = X]
[So, A′B′C + A′B′C = A′B′C]
= ABC + (A′B′C + A′B′C) + AB′C′ + A′BC′
This ... | [
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"text": "(A ⊕ B) ⊕ C\n\nBy Solving, We get\n= (A ⊕ B)′ C + (A ⊕ B) C′\n\nThe above expression can be written as:\n= (A ⊙ B) C + (A ⊕ B) C′\n\nNow,\n\n= (AB + A′B′) C + (A ⊕... |
Problem With Using fgets()/gets()/scanf() After scanf() in C | 04 Jan, 2022
scanf() is a library function in C. It reads standard input from stdin. fgets() is a library function in C. It reads a line from the specified stream and stores it into the string pointed to by the string variable. It only terminates when either:
end-of-file is reached
n-1 characters are read
the newline c... | [
{
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"text": "\n04 Jan, 2022"
},
{
"code": null,
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"s": 52,
"text": "scanf() is a library function in C. It reads standard input from stdin. fgets() is a library function in C. It reads a line from the specified stream and stores it into the s... |
Relational plots in Seaborn – Part I | 21 Jul, 2021
Relational plots are used for visualizing the statistical relationship between the data points. Visualization is necessary because it allows the human to see trends and patterns in the data. The process of understanding how the variables in the dataset relate each other and their relationships are termed a... | [
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"text": "Relational plots are used for visualizing the statistical relationship between the data points. Visualization is necessary because it allows the human to see trends and patte... |
Python | os.sync() method | 14 Aug, 2021
OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality.os.sync() method in Python is used to force write of everything to disk. This method allo... | [
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"text": "OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of usin... |
OpenCV - Face Detection in a Picture | The VideoCapture class of the org.opencv.videoio package contains classes and methods to capture video using the system camera. Let’s go step by step and learn how to do it.
While writing Java code using OpenCV library, the first step you need to do is to load the native library of OpenCV using the loadLibrary(). Load ... | [
{
"code": null,
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"text": "The VideoCapture class of the org.opencv.videoio package contains classes and methods to capture video using the system camera. Let’s go step by step and learn how to do it."
},
{
"code": null,
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"text": "While wr... |
PostgreSQL – GRANT | 17 Aug, 2021
In PostgreSQL, the GRANT statement is used to grant privileges to a role to alter on database objects like tables, views, functions, etc.
The following shows the syntax of the GRANT statement:
Syntax:
GRANT privilege_list | ALL
ON table_name
TO role_name;
Let’s analyze the above syntax:
Some elements of... | [
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"text": "In PostgreSQL, the GRANT statement is used to grant privileges to a role to alter on database objects like tables, views, functions, etc."
},
{
"code": null,
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Find alphabet in a Matrix which has maximum number of stars around it | 11 Aug, 2021
Given a matrix mat consisting of * and lowercase English alphabets, the task is to find the character which has the maximum number of * around it (including diagonal elements too). If two characters have same maximum count, print lexicographically smallest character.Source :D-E Shaw Interview ExperienceExa... | [
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"text": "Given a matrix mat consisting of * and lowercase English alphabets, the task is to find the character which has the maximum number of * around it (including diagonal elements... |
Python: Check if a File or Directory Exists | 29 Dec, 2020
Python is a widely-used general-purpose, high-level programming language. It provides many functionalities and one among them is checking if a file or directory exists or not. This can be using an in-built os module.
OS module in Python provides functions for interacting with the operating system. OS comes... | [
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"text": "Python is a widely-used general-purpose, high-level programming language. It provides many functionalities and one among them is checking if a file or directory exists or not.... |
Python MySQL - Cursor Object | The MySQLCursor of mysql-connector-python (and similar libraries) is used to execute statements to communicate with the MySQL database.
Using the methods of it you can execute SQL statements, fetch data from the result sets, call procedures.
You can create Cursor object using the cursor() method of the Connection objec... | [
{
"code": null,
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"text": "The MySQLCursor of mysql-connector-python (and similar libraries) is used to execute statements to communicate with the MySQL database."
},
{
"code": null,
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"text": "Using the methods of it you can execute SQL st... |
Count of strings whose prefix match with the given string to a given length k | 23 May, 2022
Given an array of strings arr[] and given some queries where each query consists of a string str and an integer k. The task is to find the count of strings in arr[] whose prefix of length k matches with the k length prefix of str.Examples:
Input: arr[] = {“abba”, “abbb”, “abbc”, “abbd”, “abaa”, “abca”}, ... | [
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"text": "\n23 May, 2022"
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"s": 52,
"text": "Given an array of strings arr[] and given some queries where each query consists of a string str and an integer k. The task is to find the count of strings in arr[] whose pre... |
Kubernetes Practical Intro for Data Scientists | by Kyle Gallatin | Towards Data Science | I presented this tutorial live recently for New York City Data Science Academy, it was recorded here. I’ve adapted the slides and gist to this single post for convenience.
This post has two portions, a high level overview and a hands on portion where you deploy an ML model to k8s right on your laptop. If you just want ... | [
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"text": "I presented this tutorial live recently for New York City Data Science Academy, it was recorded here. I’ve adapted the slides and gist to this single post for convenience."
},
{
"code": null,
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"text": "This post has ... |
How to Upgrade R Installation to R 4.0 on Windows? - GeeksforGeeks | 12 Jan, 2021
R is a programming language and free software environment for statistical computing and graphics supported by the R Foundation for Statistical Computing. The R language is heavily utilized by analysts and data engineers/miners for creating statistical software and data/info analysis. This article will serv... | [
{
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"text": "\n12 Jan, 2021"
},
{
"code": null,
"e": 25272,
"s": 24877,
"text": "R is a programming language and free software environment for statistical computing and graphics supported by the R Foundation for Statistical Computing. The R lan... |
Removing duplicates from tuple in Python | When it is required to remove duplicates from a tuple, the list comprehension is used.
A list can be used to store heterogeneous values (i.e data of any data type like integer, floating point, strings, and so on).
A list of tuple basically contains tuples enclosed in a list.
The list comprehension is a shorthand to ite... | [
{
"code": null,
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"s": 1062,
"text": "When it is required to remove duplicates from a tuple, the list comprehension is used."
},
{
"code": null,
"e": 1276,
"s": 1149,
"text": "A list can be used to store heterogeneous values (i.e data of any data type like integer, float... |
Upload file and read its content in cherrypy python | 05 Sep, 2020
CherryPy is a web framework of Python which provides a friendly interface to the HTTP protocol for Python developers. It is also called a web application library. It allows developers to build web applications in much the same way they would build any other object-oriented Python program. This results in s... | [
{
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"text": "\n05 Sep, 2020"
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{
"code": null,
"e": 378,
"s": 28,
"text": "CherryPy is a web framework of Python which provides a friendly interface to the HTTP protocol for Python developers. It is also called a web application library. It allows de... |
How to calculate and plot a Cumulative Distribution function with Matplotlib in Python ? | 24 Jan, 2021
Prerequisites: Matplotlib
Matplotlib is a library in Python and it is a numerical — mathematical extension for the NumPy library. The cumulative distribution function (CDF) of a real-valued random variable X, or just distribution function of X, evaluated at x, is the probability that X will take a value ... | [
{
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"text": "\n24 Jan, 2021"
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"code": null,
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"text": "Prerequisites: Matplotlib "
},
{
"code": null,
"e": 360,
"s": 55,
"text": "Matplotlib is a library in Python and it is a numerical — mathematical extension ... |
How to Change the Default Generated apk Name in Android Studio? | 08 Oct, 2021
While developing any Android app using Android Studio we generate our APK file after creating our whole Android application. We use this .apk file to publish it to our Google Play console or on any other platform. When we are generating our .apk file for release apk. We always see our apk file name starts ... | [
{
"code": null,
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"text": "\n08 Oct, 2021"
},
{
"code": null,
"e": 467,
"s": 28,
"text": "While developing any Android app using Android Studio we generate our APK file after creating our whole Android application. We use this .apk file to publish it to our Google ... |
map count() function in C++ STL | 12 Jul, 2018
The map::count() is a built-in function in C++ STL which returns 1 if the element with key K is present in the map container. It returns 0 if the element with key K is not present in the container.
Syntax:
map_name.count(key k)
Parameters: The function accepts a mandatory parameter k which specifies the ke... | [
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"code": null,
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"text": "The map::count() is a built-in function in C++ STL which returns 1 if the element with key K is present in the map container. It returns 0 if the element with key K is not pr... |
Minimax Algorithm in Game Theory | Set 4 (Alpha-Beta Pruning) | 18 Aug, 2021
Prerequisites: Minimax Algorithm in Game Theory, Evaluation Function in Game TheoryAlpha-Beta pruning is not actually a new algorithm, rather an optimization technique for minimax algorithm. It reduces the computation time by a huge factor. This allows us to search much faster and even go into deeper level... | [
{
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"text": "\n18 Aug, 2021"
},
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"code": null,
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"s": 54,
"text": "Prerequisites: Minimax Algorithm in Game Theory, Evaluation Function in Game TheoryAlpha-Beta pruning is not actually a new algorithm, rather an optimization technique for mi... |
ReactJS | Transition Group | 22 Jan, 2021
While React manages different components and their behavior to make any web app interactive it contains no methodology of adding aesthetics to the app itself. The animation is considered to be one of the most used methods to add aesthetics to an app, we can add animation to a React App using an explicit gr... | [
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"text": "\n22 Jan, 2021"
},
{
"code": null,
"e": 415,
"s": 52,
"text": "While React manages different components and their behavior to make any web app interactive it contains no methodology of adding aesthetics to the app itself. The animation i... |
Introduction to Three.js | 09 Aug, 2020
Did you ever imagine that how these graphics and games are run on a web-browser? What is the main technology behind it? Off course it is not possible by just using HTML and CSS. In previous days we used WebGL for this task. WebGL(Web graphics Library) is JavaScript API which is used to render the 3-dimensi... | [
{
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"text": "\n09 Aug, 2020"
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"text": "Did you ever imagine that how these graphics and games are run on a web-browser? What is the main technology behind it? Off course it is not possible by just using HTML and CS... |
C# Program For Default Arguments | 20 Dec, 2021
C# allows function arguments to have default values such types of arguments known as default arguments. Or in other words, a default argument is an argument whose value is given in the method declaration that will automatically be assigned if the value for the argument is not specified during the function ... | [
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"code": null,
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"text": "C# allows function arguments to have default values such types of arguments known as default arguments. Or in other words, a default argument is an argument whose value is giv... |
Perl | join() Function | 25 Jun, 2019
join() function in Perl combines the elements of LIST into a single string using the value of VAR to separate each element. It is effectively the opposite of split.
Note that VAR is only placed between pairs of elements in the LIST; it will not be placed either before the first element or after the last el... | [
{
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"text": "\n25 Jun, 2019"
},
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"code": null,
"e": 193,
"s": 28,
"text": "join() function in Perl combines the elements of LIST into a single string using the value of VAR to separate each element. It is effectively the opposite of split."
},
{
... |
Python | Pandas dataframe.get() | 19 Nov, 2018
Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.
Pandas dataframe.get() function is used to get item from object for given key. The key could ... | [
{
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"text": "\n19 Nov, 2018"
},
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"code": null,
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"text": "Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes imp... |
C program to delete an array element using Pointers | Write a C program to delete an element from an array at runtime by the user and the result to be displayed on the screen after deletion. If the deleted element is not in an array, then we need to display Invalid Input.
An array is used to hold the group of common elements under one name.
The array operations are as fol... | [
{
"code": null,
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"text": "Write a C program to delete an element from an array at runtime by the user and the result to be displayed on the screen after deletion. If the deleted element is not in an array, then we need to display Invalid Input."
},
{
"code": null,
"e... |
numpy.save() - GeeksforGeeks | 29 Nov, 2018
numpy.save()function is used to store the input array in a disk file with npy extension(.npy).
Syntax : numpy.save(file, arr, allow_pickle=True, fix_imports=True)
Parameters:file : : File or filename to which the data is saved. If file is a string or Path, a .npy extension will be appended to the file name... | [
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"tex... |
How to get min, seconds and milliseconds from datetime.now() in Python? | You can get the formatted date and time using strftime function. It accepts a format string that you can use to get your desired output. Following are the directives supported by it.
In this case, you can use these directives in the strftime function as follows −
from datetime import datetime
curr_time = datet... | [
{
"code": null,
"e": 1245,
"s": 1062,
"text": "You can get the formatted date and time using strftime function. It accepts a format string that you can use to get your desired output. Following are the directives supported by it."
},
{
"code": null,
"e": 1335,
"s": 1254,
"text": ... |
How to count the number of items in a C# list? | Use the Array.Count property in C# to count the number of items in a list in C# −
Set the list
List<string> myList = new List<string>() {
"electronics",
"clothing",
"appliances",
"accessories"
};
Now count the number of items in a list in C# −
myList.Count
The following is the complete code to count the num... | [
{
"code": null,
"e": 1144,
"s": 1062,
"text": "Use the Array.Count property in C# to count the number of items in a list in C# −"
},
{
"code": null,
"e": 1157,
"s": 1144,
"text": "Set the list"
},
{
"code": null,
"e": 1270,
"s": 1157,
"text": "List<string> myL... |
Command Line arguments in Java programming
| A command-line argument is an information that directly follows the program's name on the command line when it is executed. To access the command-line arguments inside a Java program is quite easy. They are stored as strings in the String array passed to main( ).
The following program displays all of the command-line a... | [
{
"code": null,
"e": 1326,
"s": 1062,
"text": "A command-line argument is an information that directly follows the program's name on the command line when it is executed. To access the command-line arguments inside a Java program is quite easy. They are stored as strings in the String array passed t... |
KnockoutJS - Components | Components are a huge way of organizing the UI code for structuring a large application and promoting code reusability.
It is inherited or nested from other component. For loading and configuration, it defines its own conventions or logic.
It is packaged to reuse throughout the application or the project. Represents th... | [
{
"code": null,
"e": 1972,
"s": 1852,
"text": "Components are a huge way of organizing the UI code for structuring a large application and promoting code reusability."
},
{
"code": null,
"e": 2092,
"s": 1972,
"text": "It is inherited or nested from other component. For loading an... |
14 Data Visualization Plots of Seaborn | by Aayush Ostwal | Towards Data Science | Data Visualization plays a very important role in Data mining. Various data scientist spent their time exploring data through visualization. To accelerate this process we need to have a well-documentation of all the plots.
Even plenty of resources can’t be transformed into valuable goods without planning and architectu... | [
{
"code": null,
"e": 395,
"s": 172,
"text": "Data Visualization plays a very important role in Data mining. Various data scientist spent their time exploring data through visualization. To accelerate this process we need to have a well-documentation of all the plots."
},
{
"code": null,
... |
Count total number of Links In Webpage Using Selenium In Python - GeeksforGeeks | 04 Jan, 2021
Selenium is a powerful tool for controlling web browsers through programs and performing browser automation. It is functional for all browsers, works on all major OS and its scripts are written in various languages i.e Python, Java, C#, etc, we will be working with Python.
Installation
1.1 Selenium Binding... | [
{
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"text": "\n04 Jan, 2021"
},
{
"code": null,
"e": 24566,
"s": 24292,
"text": "Selenium is a powerful tool for controlling web browsers through programs and performing browser automation. It is functional for all browsers, works on all major ... |
K and -K in Python | Suppose we have a list of numbers called nums, we have to find the largest number k where k
and -k both exist in nums (they can be the same number). If there's no such element, return -1.
So, if the input is like [-5, 2, 9, -6, 5, -9], then the output will be 9.
To solve this, we will follow these steps −
L1:= a list o... | [
{
"code": null,
"e": 1250,
"s": 1062,
"text": "Suppose we have a list of numbers called nums, we have to find the largest number k where k\nand -k both exist in nums (they can be the same number). If there's no such element, return -1."
},
{
"code": null,
"e": 1325,
"s": 1250,
"t... |
Check whether a Table exists in SQL Server database or not - GeeksforGeeks | 20 Oct, 2020
Before creating a TABLE, it is always advisable to check whether the table exists in SQL Server database or not.
Alternative 1 :Using the OBJECT_ID and the IF ELSE statement to check whether a table exists or not.
Query :
USE [DB_NAME]
GO
IF OBJECT_ID('table_name', 'U') IS NOT NULL
BEGIN
PRINT 'Table exist... | [
{
"code": null,
"e": 24294,
"s": 24266,
"text": "\n20 Oct, 2020"
},
{
"code": null,
"e": 24407,
"s": 24294,
"text": "Before creating a TABLE, it is always advisable to check whether the table exists in SQL Server database or not."
},
{
"code": null,
"e": 24508,
"s... |
C++ Program to Apply DFS to Perform the Topological Sorting of a Directed Acyclic Graph | Topological sorting of DAG (Directed Acyclic Graph) is a linear ordering of vertices such that for every directed edge uv, where vertex u comes before v in the ordering. If the graph is not a DAG, Topological Sorting for a graph is not possible.
Begin
function topologicalSort():
a) Mark the current node as visite... | [
{
"code": null,
"e": 1308,
"s": 1062,
"text": "Topological sorting of DAG (Directed Acyclic Graph) is a linear ordering of vertices such that for every directed edge uv, where vertex u comes before v in the ordering. If the graph is not a DAG, Topological Sorting for a graph is not possible."
},
... |
How to create a filter table with JavaScript? | To create a filter table with JavaScript, the code is as follows −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
* {
box-sizing: border-box;
}
.searchField {
width: 100%;
font-size: 16px;
padding: 12px 20px 12px 4... | [
{
"code": null,
"e": 1129,
"s": 1062,
"text": "To create a filter table with JavaScript, the code is as follows −"
},
{
"code": null,
"e": 1140,
"s": 1129,
"text": " Live Demo"
},
{
"code": null,
"e": 3055,
"s": 1140,
"text": "<!DOCTYPE html>\n<html>\n<head>\n... |
Build A Database Using Python | Towards Data Science | SQLAlchemy is a Python library for implementing SQL databases without using the SQL language itself. In other words, all you need to do is to implement your database using the Python language.
Flask-SQLAlchemy is a library for connecting the SQLAlchemy library inside your Flask project, and it makes your database imple... | [
{
"code": null,
"e": 240,
"s": 47,
"text": "SQLAlchemy is a Python library for implementing SQL databases without using the SQL language itself. In other words, all you need to do is to implement your database using the Python language."
},
{
"code": null,
"e": 485,
"s": 240,
"te... |
How to insert element as a last child using jQuery? | To insert element as a last child using jQuery, use the append() method. The append( content ) method appends content to the inside of every matched element.
You can try to run the following code to learn how to insert element as a last child using jQuery:
Live Demo
<html>
<head>
<title>jQuery Example</title>... | [
{
"code": null,
"e": 1220,
"s": 1062,
"text": "To insert element as a last child using jQuery, use the append() method. The append( content ) method appends content to the inside of every matched element."
},
{
"code": null,
"e": 1319,
"s": 1220,
"text": "You can try to run the f... |
How to print a value for a given key for Python dictionary? | Python dictionary is collection of key value pairs. Value associated with a certain key is returned by get() method.
>>> D1={'a':11,'b':22,'c':33}
>>> D1.get('b')
22
You can also obtain value by using key inside square brackets.
>>> D1['c']
33 | [
{
"code": null,
"e": 1179,
"s": 1062,
"text": "Python dictionary is collection of key value pairs. Value associated with a certain key is returned by get() method."
},
{
"code": null,
"e": 1228,
"s": 1179,
"text": ">>> D1={'a':11,'b':22,'c':33}\n>>> D1.get('b')\n22"
},
{
... |
glob() function in PHP | The glob() function returns an array of filenames or directories matching a specified pattern. The glob() function returns.
An array containing the matched files/directories,
Returns an empty array if no file is matched,
FALSE on error.
glob(pattern,flags)
pattern − The pattern to search for.
pattern − The pattern to s... | [
{
"code": null,
"e": 1186,
"s": 1062,
"text": "The glob() function returns an array of filenames or directories matching a specified pattern. The glob() function returns."
},
{
"code": null,
"e": 1237,
"s": 1186,
"text": "An array containing the matched files/directories,"
},
... |
How do you find continuous sub array whose sum is equal to a given number in Java? | To find continuous sub array whose sum is equal to a given number −
Iterate through the array.
At each element add the next n elements one by one, when the sum equals to the required value print the sub array.
import java.util.Arrays;
import java.util.Scanner;
public class sub_arrays {
public static void main(String... | [
{
"code": null,
"e": 1130,
"s": 1062,
"text": "To find continuous sub array whose sum is equal to a given number −"
},
{
"code": null,
"e": 1157,
"s": 1130,
"text": "Iterate through the array."
},
{
"code": null,
"e": 1272,
"s": 1157,
"text": "At each element ... |
Multiprotocol Label Switching(MPLS) Explained | by Mayank Tripathi | Towards Data Science | This blog is divided into two subparts, in the first part we will understand what exactly is MPLS and in the second we will see how we can craft an MPLS packet using Golang.
Multiprotocol label switching(MPLS) is not a new technology. It’s been around for several years. Many of you must be familiar with how the data is... | [
{
"code": null,
"e": 346,
"s": 172,
"text": "This blog is divided into two subparts, in the first part we will understand what exactly is MPLS and in the second we will see how we can craft an MPLS packet using Golang."
},
{
"code": null,
"e": 929,
"s": 346,
"text": "Multiprotoco... |
5 Basic Commands to Get Started with dplyr in R | by Jason Chong | Towards Data Science | I started out my data science journey learning how to use the Pandas library and truthfully, there is everything to love about it — It is easy to use, straightforward and has functionalities for just about any tasks that involve manipulating and exploring a data frame.
Heck, I even made a full video series on YouTube t... | [
{
"code": null,
"e": 442,
"s": 172,
"text": "I started out my data science journey learning how to use the Pandas library and truthfully, there is everything to love about it — It is easy to use, straightforward and has functionalities for just about any tasks that involve manipulating and exploring... |
LISP - Returning Values Functions | By default, a function in LISP returns the value of the last expression evaluated as the return value. The following example would demonstrate this.
Create a new source code file named main.lisp and type the following code in it.
(defun add-all(a b c d)
(+ a b c d)
)
(setq sum (add-all 10 20 30 40))
(write sum)
(ter... | [
{
"code": null,
"e": 2209,
"s": 2060,
"text": "By default, a function in LISP returns the value of the last expression evaluated as the return value. The following example would demonstrate this."
},
{
"code": null,
"e": 2290,
"s": 2209,
"text": "Create a new source code file nam... |
Mutual friendship of Classes in C++ with Examples - GeeksforGeeks | 16 Apr, 2021
Prerequisite: Friend Class in C++A friend class can access private and protected members of other classes in which it is declared as a friend. It is sometimes useful to allow a particular class to access private members of another class. Below is the program to illustrate the friend class:
CPP
// C++ pro... | [
{
"code": null,
"e": 23733,
"s": 23705,
"text": "\n16 Apr, 2021"
},
{
"code": null,
"e": 24026,
"s": 23733,
"text": "Prerequisite: Friend Class in C++A friend class can access private and protected members of other classes in which it is declared as a friend. It is sometimes usef... |
Difference between JavaScript and VBScript | 07 Aug, 2020
JavaScript is a lightweight and object-oriented scripting language used to create dynamic HTML pages with interactive effects within a webpage. It is an interpreted scripting language and its code is run in a web browser only. It is also called a browser’s language and can be used for client-side developme... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Aug, 2020"
},
{
"code": null,
"e": 474,
"s": 28,
"text": "JavaScript is a lightweight and object-oriented scripting language used to create dynamic HTML pages with interactive effects within a webpage. It is an interpreted scripting ... |
Python | Numpy matrix.view() | 29 May, 2019
With the help of Numpy matrix.view() method, we can find the new view of a the matrix by using the matrix.view() method.
Syntax : matrix.view()Return : Return new view for same matrix
Example #1 :In this example we can see that by using matrix.view() method we are able to find the new view of the given mat... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 May, 2019"
},
{
"code": null,
"e": 149,
"s": 28,
"text": "With the help of Numpy matrix.view() method, we can find the new view of a the matrix by using the matrix.view() method."
},
{
"code": null,
"e": 212,
"s": 149... |
Scanner reset() method in Java with Examples | 11 Oct, 2018
The reset() method of java.util.Scanner class resets this scanner. On resetting a scanner, it discards all of its explicit state information which may have been changed by invocations of useDelimiter(java.util.regex.Pattern), useLocale(java.util.Locale), or useRadix(int).
Syntax:
public Scanner reset()
Ret... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n11 Oct, 2018"
},
{
"code": null,
"e": 326,
"s": 53,
"text": "The reset() method of java.util.Scanner class resets this scanner. On resetting a scanner, it discards all of its explicit state information which may have been changed by in... |
Time Series Analysis using Facebook Prophet | 30 Jun, 2020
Prophet is an open-source tool from Facebook used for forecasting time series data which helps businesses understand and possibly predict the market. It is based on a decomposable additive model where non-linear trends are fit with seasonality, it also takes into account the effects of holidays. Before we ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Jun, 2020"
},
{
"code": null,
"e": 423,
"s": 28,
"text": "Prophet is an open-source tool from Facebook used for forecasting time series data which helps businesses understand and possibly predict the market. It is based on a decompos... |
numpy.random.rand() in Python | 28 Mar, 2022
The numpy.random.rand() function creates an array of specified shape and fills it with random values. Syntax :
numpy.random.rand(d0, d1, ..., dn)
Parameters :
d0, d1, ..., dn : [int, optional]Dimension of the returned array we require,
If no argument is given a single Python float is returned.
Retu... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n28 Mar, 2022"
},
{
"code": null,
"e": 140,
"s": 28,
"text": "The numpy.random.rand() function creates an array of specified shape and fills it with random values. Syntax : "
},
{
"code": null,
"e": 175,
"s": 140,
"te... |
Calendar setTimeZone() Method in Java with Examples - GeeksforGeeks | 06 Mar, 2019
The setTimeZone(TimeZone time_zone) method in Calendar class takes a Time Zone value as a parameter and modifies or set the timezone represented by this Calendar.
Syntax:
public void setTimeZone(TimeZone time_zone)
Parameters: The method takes one parameter time_zone of Date type and refers to the given da... | [
{
"code": null,
"e": 24872,
"s": 24844,
"text": "\n06 Mar, 2019"
},
{
"code": null,
"e": 25035,
"s": 24872,
"text": "The setTimeZone(TimeZone time_zone) method in Calendar class takes a Time Zone value as a parameter and modifies or set the timezone represented by this Calendar."... |
\phantom - Tex Command | \phantom - Used to create space.
{ \phantom #1}
\phantom command draws space. The box created by \phantom has width, height and depth equal to its argument. In other words, \phantom creates horizontal and vertical space equal to that of its argument, even though the argument isn't visible.
\Gamma^{\phantom{i}j}_... | [
{
"code": null,
"e": 8020,
"s": 7986,
"text": "\\phantom - Used to create space. "
},
{
"code": null,
"e": 8035,
"s": 8020,
"text": "{ \\phantom #1}"
},
{
"code": null,
"e": 8283,
"s": 8035,
"text": "\\phantom command draws space. The box created by \\phantom... |
K-Means Clustering in R. How to fit, hyperparameters tuning, and... | by Jinhang Jiang | Towards Data Science | K-means clustering is one of the most popular unsupervised learning methods in machine learning. This algorithm helps identify “k” possible groups (clusters) from “n” elements based on the distance between the elements.
A more detailed explanation would be: the algorithm finds out the distance among each element in you... | [
{
"code": null,
"e": 392,
"s": 172,
"text": "K-means clustering is one of the most popular unsupervised learning methods in machine learning. This algorithm helps identify “k” possible groups (clusters) from “n” elements based on the distance between the elements."
},
{
"code": null,
"e"... |
Geeks's Garden | Practice | GeeksforGeeks | Geek has a rosarium and it has N*M slots, some of them are empty and some of them have roses. Given N*M character array consists of 0's and 1's. 0 represents an empty spot and 1 represents a rose. The task is to find the maximum number of adjacent roses in geek's rosarium. For a spot (i, j) adjacent spots are (i+1, j),... | [
{
"code": null,
"e": 642,
"s": 238,
"text": "Geek has a rosarium and it has N*M slots, some of them are empty and some of them have roses. Given N*M character array consists of 0's and 1's. 0 represents an empty spot and 1 represents a rose. The task is to find the maximum number of adjacent roses i... |
MongoDB aggregation to fetch documents with specific field value? | For this, use aggregate(). Let’s say we have to fetch documents with a field “Age” with value “21”.
Let us now create a collection with documents −
> db.demo685.insertOne(
... {
... "details":
... [
... {
... Name:"Chris",
... Age:21
... },
... {
... ... | [
{
"code": null,
"e": 1162,
"s": 1062,
"text": "For this, use aggregate(). Let’s say we have to fetch documents with a field “Age” with value “21”."
},
{
"code": null,
"e": 1210,
"s": 1162,
"text": "Let us now create a collection with documents −"
},
{
"code": null,
"e... |
How To Visualize Spark DataFrames In Scala | by Chengzhi Zhao | Towards Data Science | Visualization of a dataset is a compelling way to explore data and delivers meaningful information to the end-users. With Spark DataFrame, data processing on a large scale has never been more natural than current stacks. For people who write code in Python, there are many visualization options to choose; data visualiza... | [
{
"code": null,
"e": 640,
"s": 172,
"text": "Visualization of a dataset is a compelling way to explore data and delivers meaningful information to the end-users. With Spark DataFrame, data processing on a large scale has never been more natural than current stacks. For people who write code in Pytho... |
Mock a “real-time” stream of data with Python, Kafka, and Docker | Towards Data Science | With more and more data science work moving towards real-time pipelines, data scientists are in need of learning to write streaming analytics. While some great, user-friendly, streaming data pipeline tools exist (my obvious favorite being Apache Kafka.) It’s hard to develop the code for a streaming analytic without hav... | [
{
"code": null,
"e": 592,
"s": 172,
"text": "With more and more data science work moving towards real-time pipelines, data scientists are in need of learning to write streaming analytics. While some great, user-friendly, streaming data pipeline tools exist (my obvious favorite being Apache Kafka.) I... |
Cleaner Data Analysis with Pandas Using Pipes | by Soner Yıldırım | Towards Data Science | Pandas is a widely-used data analysis and manipulation library for Python. It provides numerous functions and methods to provide robust and efficient data analysis process.
In a typical data analysis or cleaning process, we are likely to perform many operations. As the number of operations increase, the code starts to ... | [
{
"code": null,
"e": 345,
"s": 172,
"text": "Pandas is a widely-used data analysis and manipulation library for Python. It provides numerous functions and methods to provide robust and efficient data analysis process."
},
{
"code": null,
"e": 527,
"s": 345,
"text": "In a typical ... |
Java Program to compare two Byte Arrays | To compare two Byte Arrays, use the Arrays.equals() method. Here we have declared and initialized a total of 4 arrays.
byte[] arr1 = new byte[] { 11, 13, 30, 45, 77, 89 };
byte[] arr2 = new byte[] { 12, 13, 34, 87, 99, 33};
byte[] arr3 = new byte[] { 11, 13, 30, 45, 77, 89 };
byte[] arr4 = new byte[] { 13, 16, 56, 78, ... | [
{
"code": null,
"e": 1181,
"s": 1062,
"text": "To compare two Byte Arrays, use the Arrays.equals() method. Here we have declared and initialized a total of 4 arrays."
},
{
"code": null,
"e": 1392,
"s": 1181,
"text": "byte[] arr1 = new byte[] { 11, 13, 30, 45, 77, 89 };\nbyte[] ar... |
JavaScript Date toJSON() Method - GeeksforGeeks | 26 Oct, 2021
Below is the example of Date toJSON() method.
Example:<script> // Here a date has been assigned // while creating Date object var dateobj = new Date('October 15, 1996 05:35:32'); // Contents of above date object is converted // into a string using toJSON() method. var B = dateobj.toJSON();... | [
{
"code": null,
"e": 24714,
"s": 24686,
"text": "\n26 Oct, 2021"
},
{
"code": null,
"e": 24760,
"s": 24714,
"text": "Below is the example of Date toJSON() method."
},
{
"code": null,
"e": 25090,
"s": 24760,
"text": "Example:<script> // Here a date has been a... |
JavaScript - Date setFullYear() Method | Javascript date setFullYear() method sets the full year for a specified date according to local time.
Its syntax is as follows −
Date.setFullYear(yearValue[, monthValue[, dayValue]])
yearValue − An integer specifying the numeric value of the year, for example, 2008.
yearValue − An integer specifying the numeric value ... | [
{
"code": null,
"e": 2568,
"s": 2466,
"text": "Javascript date setFullYear() method sets the full year for a specified date according to local time."
},
{
"code": null,
"e": 2595,
"s": 2568,
"text": "Its syntax is as follows −"
},
{
"code": null,
"e": 2650,
"s": 2... |
Birthday Paradox in Python | The birthday paradox is a very famous problem in the section of probability.
Problem Statement − There are several people at a birthday party, some are having the same birthday collision. We need to find the approximate number of people at a birthday party on the basis of having the same birthday.
In the probability, w... | [
{
"code": null,
"e": 1139,
"s": 1062,
"text": "The birthday paradox is a very famous problem in the section of probability."
},
{
"code": null,
"e": 1361,
"s": 1139,
"text": "Problem Statement − There are several people at a birthday party, some are having the same birthday colli... |
Generating Abstract Art using GANs with Keras | by Victor Sim | Towards Data Science | The largest hurdle for artificial intelligence to overcome is to be creative. It is reasonably simple to solve problems using gradient-based optimization, or use embeddings and word-webs to solve natural-language processing problems. The true difficulty is for AI’s to be creative, to create original content.
In this ar... | [
{
"code": null,
"e": 482,
"s": 172,
"text": "The largest hurdle for artificial intelligence to overcome is to be creative. It is reasonably simple to solve problems using gradient-based optimization, or use embeddings and word-webs to solve natural-language processing problems. The true difficulty i... |
atomic.SwapPointer() Function in Golang With Examples - GeeksforGeeks | 01 Apr, 2020
In Go language, atomic packages supply lower-level atomic memory that is helpful is implementing synchronization algorithms. The SwapPointer() function in Go language is used to atomically store new value into *addr and returns the previous *addr value. This function is defined under the atomic package. He... | [
{
"code": null,
"e": 24023,
"s": 23995,
"text": "\n01 Apr, 2020"
},
{
"code": null,
"e": 24408,
"s": 24023,
"text": "In Go language, atomic packages supply lower-level atomic memory that is helpful is implementing synchronization algorithms. The SwapPointer() function in Go langu... |
HTTP - Responses | After receiving and interpreting a request message, a server responds with an HTTP response message:
A Status-line
Zero or more header (General|Response|Entity) fields followed by CRLF
An empty line (i.e., a line with nothing preceding the CRLF)
indicating the end of the header fields
Optionally a message-body
A Sta... | [
{
"code": null,
"e": 1880,
"s": 1779,
"text": "After receiving and interpreting a request message, a server responds with an HTTP response message:"
},
{
"code": null,
"e": 2094,
"s": 1880,
"text": "\nA Status-line\nZero or more header (General|Response|Entity) fields followed by... |
CharsetEncoder encode(CharBuffer in) method in Java with Examples - GeeksforGeeks | 10 Jan, 2022
The encode(CharBuffer input) method is a built-in method of the java.nio.charset.CharsetEncoder which encodes the content which is remaining of a single input character buffer to a newly-allocated byte-buffer. The encode() method in itself implements an entire operation of encoding. This function should no... | [
{
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},
{
"code": null,
"e": 24983,
"s": 24630,
"text": "The encode(CharBuffer input) method is a built-in method of the java.nio.charset.CharsetEncoder which encodes the content which is remaining of a single input char... |
Executing and Invoking Lambda Function | This chapter will explain in detail about process of executing and invoking Lambda function and the steps involved in it.
AWS execution depends on the configuration details added for AWS Lambda Function. When the function is created, there is a memory and time allotted, which is used for the execution of AWS Lambda fun... | [
{
"code": null,
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"text": "This chapter will explain in detail about process of executing and invoking Lambda function and the steps involved in it."
},
{
"code": null,
"e": 2733,
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"text": "AWS execution depends on the configuration details added for... |
“extern” keyword in C | External variables are also known as global variables. These variables are defined outside the function. These variables are available globally throughout the function execution. The value of global variables can be modified by the functions. “extern” keyword is used to declare and define the external variables.
Scope ... | [
{
"code": null,
"e": 1376,
"s": 1062,
"text": "External variables are also known as global variables. These variables are defined outside the function. These variables are available globally throughout the function execution. The value of global variables can be modified by the functions. “extern” k... |
VBA - Comparison Operators | There are following comparison operators supported by VBA.
Assume variable A holds 10 and variable B holds 20, then −
Try the following example to understand all the Comparison operators available in VBA.
Private Sub Constant_demo_Click()
Dim a: a = 10
Dim b: b = 20
Dim c
If a = b Then
MsgBox ("Opera... | [
{
"code": null,
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"text": "There are following comparison operators supported by VBA."
},
{
"code": null,
"e": 2053,
"s": 1994,
"text": "Assume variable A holds 10 and variable B holds 20, then −"
},
{
"code": null,
"e": 2140,
"s": 2053,
"t... |
Redis - String Mget Command | Redis MGET command is used to get the values of all specified keys. For every key that does not hold a string value or does not exist, the special value nil is returned.
Array, list of values at the specified keys.
Following is the basic syntax of Redis MGET command.
redis 127.0.0.1:6379> MGET KEY1 KEY2 .. KEYN
redis ... | [
{
"code": null,
"e": 2215,
"s": 2045,
"text": "Redis MGET command is used to get the values of all specified keys. For every key that does not hold a string value or does not exist, the special value nil is returned."
},
{
"code": null,
"e": 2260,
"s": 2215,
"text": "Array, list ... |
XAML - DockPanel | DockPanel defines an area to arrange child elements relative to each other, either horizontally or vertically. With DockPanel, you can easily dock child elements to top, bottom, right, left, and center with Dock property.
With LastChildFill property, the last child element fills the remaining space regardless of any ot... | [
{
"code": null,
"e": 2145,
"s": 1923,
"text": "DockPanel defines an area to arrange child elements relative to each other, either horizontally or vertically. With DockPanel, you can easily dock child elements to top, bottom, right, left, and center with Dock property."
},
{
"code": null,
... |
C# - Attributes | An attribute is a declarative tag that is used to convey information to runtime about the behaviors of various elements like classes, methods, structures, enumerators, assemblies etc. in your program. You can add declarative information to a program by using an attribute. A declarative tag is depicted by square ([ ]) b... | [
{
"code": null,
"e": 2639,
"s": 2270,
"text": "An attribute is a declarative tag that is used to convey information to runtime about the behaviors of various elements like classes, methods, structures, enumerators, assemblies etc. in your program. You can add declarative information to a program by ... |
Pickle your Machine Learning objects | Towards Data Science | Pickle is a python module used to serialize a python object into a binary format and deserialize it back to the python object.
First Case:
You are working on a machine learning problem, using the favorite: jupyter notebook. You analyzed the data and identified principal features that will help your model. You perform f... | [
{
"code": null,
"e": 299,
"s": 172,
"text": "Pickle is a python module used to serialize a python object into a binary format and deserialize it back to the python object."
},
{
"code": null,
"e": 311,
"s": 299,
"text": "First Case:"
},
{
"code": null,
"e": 739,
"... |
Find maximum number of edge disjoint paths between two vertices - GeeksforGeeks | 24 Feb, 2022
Given a directed graph and two vertices in it, source ‘s’ and destination ‘t’, find out the maximum number of edge disjoint paths from s to t. Two paths are said edge disjoint if they don’t share any edge.
There can be maximum two edge disjoint paths from source 0 to destination 7 in the above graph. Two ... | [
{
"code": null,
"e": 25092,
"s": 25064,
"text": "\n24 Feb, 2022"
},
{
"code": null,
"e": 25299,
"s": 25092,
"text": "Given a directed graph and two vertices in it, source ‘s’ and destination ‘t’, find out the maximum number of edge disjoint paths from s to t. Two paths are said e... |
Python PostgreSQL - Database Connection | PostgreSQL provides its own shell to execute queries. To establish connection with the PostgreSQL database, make sure that you have installed it properly in your system. Open the PostgreSQL shell prompt and pass details like Server, Database, username, and password. If all the details you have given are appropriate, a ... | [
{
"code": null,
"e": 3577,
"s": 3205,
"text": "PostgreSQL provides its own shell to execute queries. To establish connection with the PostgreSQL database, make sure that you have installed it properly in your system. Open the PostgreSQL shell prompt and pass details like Server, Database, username, ... |
Display different variables in MySQL using LIKE? | Following is the syntax −
show variables where Variable_name like 'yourVariable1%' or Variable_name like 'yourVariable2%',.............N;
Let us implement the above syntax to show(more than one) variables −
mysql> show variables where Variable_name like 'key%' or Variable_name like 'innodb_undo%' or Variable_name like ... | [
{
"code": null,
"e": 1088,
"s": 1062,
"text": "Following is the syntax −"
},
{
"code": null,
"e": 1200,
"s": 1088,
"text": "show variables where Variable_name like 'yourVariable1%' or Variable_name like 'yourVariable2%',.............N;"
},
{
"code": null,
"e": 1269,
... |
Probability of getting at least K heads in N tosses of Coins in C++ | Probability is the chances of getting the desired output from the set of data available. The range of probability lie between 0 and 1 where an integer 0 shows the chances of impossibility and 1 indicates certainty.
What is probability?
Probability in mathematics gives us the tools that tell the uncertainty of the event... | [
{
"code": null,
"e": 1277,
"s": 1062,
"text": "Probability is the chances of getting the desired output from the set of data available. The range of probability lie between 0 and 1 where an integer 0 shows the chances of impossibility and 1 indicates certainty."
},
{
"code": null,
"e": 1... |
Calculate nCr using Pascal's Triangle - GeeksforGeeks | 24 May, 2021
A useful application of Pascal’s triangle is the calculation of combinations. The formula to find nCr is n! / r! * (n – r)! which is also the formula for a cell of Pascal’s triangle. Pascal’s triangle:
Input: n = 5, r = 3
Output: 10
Explanation:
n! / r! * (n - r)! = 5! / 3! * (2!) = 120 / 12 = 10
Inpu... | [
{
"code": null,
"e": 24553,
"s": 24525,
"text": "\n24 May, 2021"
},
{
"code": null,
"e": 24757,
"s": 24553,
"text": "A useful application of Pascal’s triangle is the calculation of combinations. The formula to find nCr is n! / r! * (n – r)! which is also the formula for a cell of... |
Python 3 - modf() Method | The modf() method returns the fractional and integer parts of x in a two-item tuple. Both parts have the same sign as x. The integer part is returned as a float.
Following is the syntax for the modf() method
import math
math.modf( x )
Note − This function is not accessible directly, so we need to import the math modu... | [
{
"code": null,
"e": 2502,
"s": 2340,
"text": "The modf() method returns the fractional and integer parts of x in a two-item tuple. Both parts have the same sign as x. The integer part is returned as a float."
},
{
"code": null,
"e": 2548,
"s": 2502,
"text": "Following is the syn... |
Python - HTTP Headers | The request and response between client and server involves header and body in the message.
Headers contain protocol specific information that appear at the beginning of the raw message that is sent over TCP connection. The body of the message is separated from headers using a blank line.
The headers in the http respo... | [
{
"code": null,
"e": 2617,
"s": 2326,
"text": "The request and response between client and server involves header and body in the message. \nHeaders contain protocol specific information that appear at the beginning of the raw message that is sent over TCP connection. The body of the message is sepa... |
Decimal.ToDouble() Method in C# - GeeksforGeeks | 31 Jan, 2019
This method is used to convert the value of the specified Decimal to the equivalent double-precision floating-point number. This method can produce round-off errors as a double-precision floating-point number has few significant digits than a Decimal.
Syntax: public static double ToDouble (decimal d);Here,... | [
{
"code": null,
"e": 24412,
"s": 24384,
"text": "\n31 Jan, 2019"
},
{
"code": null,
"e": 24664,
"s": 24412,
"text": "This method is used to convert the value of the specified Decimal to the equivalent double-precision floating-point number. This method can produce round-off error... |
Delete middle of linked list in C++ program | In this tutorial, we are going to learn how to delete the middle node in a linked list.
The solution to the problem is straightforward. We will have two pointers one moves one node at a time and the other one moves two nodes at a time. By the time the second pointer reaches the final node, the first will be in the midd... | [
{
"code": null,
"e": 1150,
"s": 1062,
"text": "In this tutorial, we are going to learn how to delete the middle node in a linked list."
},
{
"code": null,
"e": 1405,
"s": 1150,
"text": "The solution to the problem is straightforward. We will have two pointers one moves one node a... |
DHCP Relay Agent in Computer Network - GeeksforGeeks | 02 Nov, 2021
Prerequisite – Dynamic Host Configuration Protocol (DHCP), How DHCP server dynamically assigns IP address to a host?
To assign an IP address to the host dynamically, the DHCP client exchanges DHCP messages with the DHCP server in the DORA process.
In the DORA process, the discover and request message is ... | [
{
"code": null,
"e": 36592,
"s": 36564,
"text": "\n02 Nov, 2021"
},
{
"code": null,
"e": 36710,
"s": 36592,
"text": "Prerequisite – Dynamic Host Configuration Protocol (DHCP), How DHCP server dynamically assigns IP address to a host? "
},
{
"code": null,
"e": 36842,
... |
How to create a horizontal slider with custom min, max, and initial value in Java | While creating horizontal slider, we can set custom values as well. Let us take three integer variable and set the int values for min, max as well as the initial value of the slider −
int val = 75;
int min = 0;
int max = 100;
Set it to the slider while creating a new slider. Here, we have set the constant to be HORIZON... | [
{
"code": null,
"e": 1246,
"s": 1062,
"text": "While creating horizontal slider, we can set custom values as well. Let us take three integer variable and set the int values for min, max as well as the initial value of the slider −"
},
{
"code": null,
"e": 1288,
"s": 1246,
"text":... |
C++ Program to find the smallest digit in a given number | Given a non-negative number, the task is to find its smallest digit.
For example
Input:
N = 154870
Output:
0
Explanation: In the given number '154870', the smallest digit is '0'.
The simplest approach to solve this problem is to extract the last digit in the given number using the remainder
theorem. While traversing th... | [
{
"code": null,
"e": 1131,
"s": 1062,
"text": "Given a non-negative number, the task is to find its smallest digit."
},
{
"code": null,
"e": 1143,
"s": 1131,
"text": "For example"
},
{
"code": null,
"e": 1150,
"s": 1143,
"text": "Input:"
},
{
"code": n... |
LSTM and Bidirectional LSTM for Regression | by Mohammed Alhamid | Towards Data Science | LSTM stands for Long Short-Term Memory, a model initially proposed in 1997 [1]. LSTM is a Gated Recurrent Neural Network, and bidirectional LSTM is just an extension to that model. The key feature is that those networks can store information that can be used for future cell processing. We can think of LSTM as an RNN wi... | [
{
"code": null,
"e": 538,
"s": 172,
"text": "LSTM stands for Long Short-Term Memory, a model initially proposed in 1997 [1]. LSTM is a Gated Recurrent Neural Network, and bidirectional LSTM is just an extension to that model. The key feature is that those networks can store information that can be u... |
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