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How to write Regex for numbers only in C#?	A regular expression is a pattern that could be matched against an input text. The .Net framework provides a regular expression engine that allows such matching. A pattern consists of one or more character literals, operators, or constructs. Here are basic pattern metacharacters used by RegEx − * = zero or more ? = zer...	[ { "code": null, "e": 1141, "s": 1062, "text": "A regular expression is a pattern that could be matched against an input text." }, { "code": null, "e": 1224, "s": 1141, "text": "The .Net framework provides a regular expression engine that allows such matching." }, { "code"...
How to Perform Real-Time Speech Recognition with Python \| Towards Data Science	In one of my latest articles we explored how to perform offline speech recognition with AssemblyAI API and Python. In other words, we uploaded the desired audio file to a hosting service and then we used the transcript endpoint of the API in order to perform speech-to-text. towardsdatascience.com In today’s guide we wi...	[ { "code": null, "e": 447, "s": 172, "text": "In one of my latest articles we explored how to perform offline speech recognition with AssemblyAI API and Python. In other words, we uploaded the desired audio file to a hosting service and then we used the transcript endpoint of the API in order to perf...
Break a list into chunks of size N in Python	Here we shall have a given user input list and a given break size. And our task is to break the list as per the given size. Here we are applying yield keyword it enables a function where it left off then again it is called, this is the main difference with regular function. A=list() n=int(input("Enter the size of the L...	[ { "code": null, "e": 1186, "s": 1062, "text": "Here we shall have a given user input list and a given break size. And our task is to break the list as per the given size." }, { "code": null, "e": 1337, "s": 1186, "text": "Here we are applying yield keyword it enables a function w...
WPF - Checkbox	A checkbox is a control that a user can select (check) or clear (uncheck). It provides a list of options that a user can select, such as a list of settings to apply to an application. The hierarchical inheritance of Checkbox class is as follows − Background Gets or sets a brush that provides the background of the contr...	[ { "code": null, "e": 2267, "s": 2020, "text": "A checkbox is a control that a user can select (check) or clear (uncheck). It provides a list of options that a user can select, such as a list of settings to apply to an application. The hierarchical inheritance of Checkbox class is as follows −" }, ...
numpy.ravel() in Python - GeeksforGeeks	28 Mar, 2022 The numpy.ravel() functions returns contiguous flattened array(1D array with all the input-array elements and with the same type as it). A copy is made only if needed. Syntax : numpy.ravel(array, order = 'C') Parameters : array : [array_like]Input array. order : [C-contiguous, F-contiguous, A-contiguo...	[ { "code": null, "e": 24284, "s": 24256, "text": "\n28 Mar, 2022" }, { "code": null, "e": 24463, "s": 24284, "text": "The numpy.ravel() functions returns contiguous flattened array(1D array with all the input-array elements and with the same type as it). A copy is made only if nee...
numpy.tan() in Python	09 Aug, 2021 numpy.tan(array[, out]) = ufunc ‘tan’) : This mathematical function helps user to calculate trigonometric tangent for all x(being the array elements). Parameters : array : [array_like]elements are in radians. out : [optional]shape same as array. 2pi Radians = 360 degrees tan(x) = sin(x) / cos(x)...	[ { "code": null, "e": 28, "s": 0, "text": "\n09 Aug, 2021" }, { "code": null, "e": 193, "s": 28, "text": "numpy.tan(array[, out]) = ufunc ‘tan’) : This mathematical function helps user to calculate trigonometric tangent for all x(being the array elements). Parameters : " }, { ...
Flutter – Checkbox Widget	22 Feb, 2022 Checkbox in flutter is a material design widget. It is always used in the Stateful Widget as it does not maintain a state of its own. We can use its onChanged property to interact or modify other widgets in the flutter app. Like most of the other flutter widgets, it also comes with many properties like act...	[ { "code": null, "e": 52, "s": 24, "text": "\n22 Feb, 2022" }, { "code": null, "e": 468, "s": 52, "text": "Checkbox in flutter is a material design widget. It is always used in the Stateful Widget as it does not maintain a state of its own. We can use its onChanged property to int...
HTTP headers \| Accept-Encoding	23 Oct, 2019 The HTTP headers Accepts-Encoding is usually a comparison algorithm of request header. All the HTTP client used to tell the server which encoding or encoding it supports. Then the server will respond in any of the supporting encoding formats. The server selects any one of the proposals, uses it and informs...	[ { "code": null, "e": 28, "s": 0, "text": "\n23 Oct, 2019" }, { "code": null, "e": 404, "s": 28, "text": "The HTTP headers Accepts-Encoding is usually a comparison algorithm of request header. All the HTTP client used to tell the server which encoding or encoding it supports. Then...
Will Julia Become the Empress of the Artificial Intelligence World?	02 Jun, 2020 Artificial Intelligence is like another hurricane. When it came, it changed every life......... Created a revolution......Brought in greater hopes ....... Molded a daunting future....... And as a disaster, it took away many jobs replacing it with elite and advanced ones. Thus it’s making a massive impact o...	[ { "code": null, "e": 28, "s": 0, "text": "\n02 Jun, 2020" }, { "code": null, "e": 685, "s": 28, "text": "Artificial Intelligence is like another hurricane. When it came, it changed every life......... Created a revolution......Brought in greater hopes ....... Molded a daunting fu...
PySpark partitionBy() method	30 Jun, 2021 PySpark partitionBy() is used to partition based on column values while writing DataFrame to Disk/File system. When you write DataFrame to Disk by calling partitionBy() Pyspark splits the records based on the partition column and stores each partition data into a sub-directory. PySpark Partition is a way ...	[ { "code": null, "e": 28, "s": 0, "text": "\n30 Jun, 2021" }, { "code": null, "e": 308, "s": 28, "text": "PySpark partitionBy() is used to partition based on column values while writing DataFrame to Disk/File system. When you write DataFrame to Disk by calling partitionBy() Pyspar...
Laravel \| Front-end Scaffolding	29 Jan, 2020 Front-end Scaffolding means to create a basic structure for an application. Laravel provides a very simple way to change the front-end presets/scaffolding with any of the other available scaffolding like Bootstrap, Vue and React. Generate Scaffolding: Step 1: To generate a scaffolding, we first need to ins...	[ { "code": null, "e": 28, "s": 0, "text": "\n29 Jan, 2020" }, { "code": null, "e": 258, "s": 28, "text": "Front-end Scaffolding means to create a basic structure for an application. Laravel provides a very simple way to change the front-end presets/scaffolding with any of the othe...
Print BST keys in the given range	16 Jun, 2022 Given two values k1 and k2 (where k1 < k2) and a root pointer to a Binary Search Tree. Print all the keys of the tree in range k1 to k2. i.e. print all x such that k1<=x<=k2 and x is a key of given BST. Print all the keys in increasing order. Example: Graph: Input: k1 = 10 and k2 = 22 Output: 12, 20 and...	[ { "code": null, "e": 52, "s": 24, "text": "\n16 Jun, 2022" }, { "code": null, "e": 296, "s": 52, "text": "Given two values k1 and k2 (where k1 < k2) and a root pointer to a Binary Search Tree. Print all the keys of the tree in range k1 to k2. i.e. print all x such that k1<=x<=k2 ...
HBase - Shell	This chapter explains how to start HBase interactive shell that comes along with HBase. HBase contains a shell using which you can communicate with HBase. HBase uses the Hadoop File System to store its data. It will have a master server and region servers. The data storage will be in the form of regions (tables). These...	[ { "code": null, "e": 2259, "s": 2171, "text": "This chapter explains how to start HBase interactive shell that comes along with HBase." }, { "code": null, "e": 2547, "s": 2259, "text": "HBase contains a shell using which you can communicate with HBase. HBase uses the Hadoop File ...
Python \| Which is faster to initialize lists?	29 Oct, 2021 Python is a very flexible language where a single task can be performed in a number of ways, for example initializing lists can be performed in many ways. However, there are subtle differences in these seemingly similar methods. Python which is popular for its simplicity and readability is equally infamous...	[ { "code": null, "e": 28, "s": 0, "text": "\n29 Oct, 2021" }, { "code": null, "e": 627, "s": 28, "text": "Python is a very flexible language where a single task can be performed in a number of ways, for example initializing lists can be performed in many ways. However, there are s...
Update MongoDB field using value of another field?	You can use aggregate function to update MongoDB field using the value of another field. Here, we will create two collections: name name studentInformation studentInformation <name> Collection The query to create first collection with documents is as follows: > db.name.insert({"FirstName":"John","LastName":"Smith"}); W...	[ { "code": null, "e": 1314, "s": 1187, "text": "You can use aggregate function to update MongoDB field using the value of another field. Here, we will create two collections:" }, { "code": null, "e": 1319, "s": 1314, "text": "name" }, { "code": null, "e": 1324, "s"...
Design Video Sharing Service System like Youtube	25 Oct, 2021 PURPOSE OF VIDEO SHARING SERVICE SYSTEMYoutube is the advertisement based video sharing service that allows users to upload video based media contents. Users can upload, watch, search, like, dislike videos, add comments to videos. Users uploads/deletes videos only as a logout user but they can search/watch...	[ { "code": null, "e": 52, "s": 24, "text": "\n25 Oct, 2021" }, { "code": null, "e": 16981, "s": 52, "text": "PURPOSE OF VIDEO SHARING SERVICE SYSTEMYoutube is the advertisement based video sharing service that allows users to upload video based media contents. Users can upload, wa...
ML - Understanding Data with Statistics	While working with machine learning projects, usually we ignore two most important parts called mathematics and data. It is because, we know that ML is a data driven approach and our ML model will produce only as good or as bad results as the data we provided to it. In the previous chapter, we discussed how we can uplo...	[ { "code": null, "e": 2571, "s": 2304, "text": "While working with machine learning projects, usually we ignore two most important parts called mathematics and data. It is because, we know that ML is a data driven approach and our ML model will produce only as good or as bad results as the data we pr...
Delete Kth nodes from the beginning and end of a Linked List - GeeksforGeeks	18 Jun, 2021 Given a singly Linked List and an integer K denoting the position of a Linked List, the task is to delete the Kth node from the beginning and end of the Linked List. Examples: Input: 1 → 2 → 3 → 4 → 5 → 6, K = 3Output: 1 → 2 → 5 → 6Explanation: Deleted Nodes : 3, 4 Input: 1 → 2 → 3 → 4 → 5 → 6, K = 1Outp...	[ { "code": null, "e": 24956, "s": 24925, "text": " \n18 Jun, 2021\n" }, { "code": null, "e": 25122, "s": 24956, "text": "Given a singly Linked List and an integer K denoting the position of a Linked List, the task is to delete the Kth node from the beginning and end of the Linked ...
Palindromic Series \| Practice \| GeeksforGeeks	Adobe wants to play a game. He is given a number N. He has to create a alphabetical string in lower case from that number and tell whether the string is palindrome or not. a = 0 , b = 1..... and so on. For eg : If the number is 61 the substring “gb” will be printed till 7 (6+1) characters i.e. “gbgbgbg” and check if p...	[ { "code": null, "e": 759, "s": 226, "text": "Adobe wants to play a game. He is given a number N. He has to create a alphabetical string in lower case from that number and tell whether the string is palindrome or not. a = 0 , b = 1..... and so on. For eg : If the number is 61 the substring “gb” will...
How to extract floating number from text using Python regular expression?	The following code extracts floating numbers from given text/string using Python regex. import re s = "Sound Level: -11.7 db or 15.2 or 8 db" result = re.findall(r"[-+]?\d*\.\d+\|\d+", s) print result This gives the output ['-11.7', '15.2', '8']	[ { "code": null, "e": 1150, "s": 1062, "text": "The following code extracts floating numbers from given text/string using Python regex." }, { "code": null, "e": 1262, "s": 1150, "text": "import re\ns = \"Sound Level: -11.7 db or 15.2 or 8 db\"\nresult = re.findall(r\"[-+]?\\d*\\.\...
JavaTuples getSize() method - GeeksforGeeks	27 Aug, 2018 The getSize() method in org.javatuples is used to fetch the size of the TupleClassObject. That is, it is used to fetch the number of values present in the TupleClassObject. This method can be used to any tuple class object of the javatuples library. It returns a integer value equal to the number of the ele...	[ { "code": null, "e": 24432, "s": 24404, "text": "\n27 Aug, 2018" }, { "code": null, "e": 24778, "s": 24432, "text": "The getSize() method in org.javatuples is used to fetch the size of the TupleClassObject. That is, it is used to fetch the number of values present in the TupleCla...
How to pass a dictionary as argument in Python function?	In the code given below we pass given dictionary as an argument to a python function and then call the function which works on the keys/value pairs and gives the result accordingly d = {'a' : 1, 'b' : 2, 'c' : 3} def f(dict): for k, v in dict.iteritems(): print k, 2*v f(d) a 2 c 6 b 4	[ { "code": null, "e": 1243, "s": 1062, "text": "In the code given below we pass given dictionary as an argument to a python function and then call the function which works on the keys/value pairs and gives the result accordingly" }, { "code": null, "e": 1348, "s": 1243, "text": "d...
spaCy - Top-level Functions	Here, we will be discussing some of the top-level functions used in spaCy. The functions along with the descriptions are listed below − spacy.load() To load a model. spacy.blank() To create a blank model. spacy.info() To provide information about the installation, models and local setup from within spaCy. spacy.explain...	[ { "code": null, "e": 2208, "s": 2072, "text": "Here, we will be discussing some of the top-level functions used in spaCy. The functions along with the descriptions are listed below −" }, { "code": null, "e": 2221, "s": 2208, "text": "spacy.load()" }, { "code": null, "...
DAX Text - FORMAT function	Converts a value to text according to the specified format. FORMAT (<value>, <format_string>) value A value or expression that evaluates to a single value. format_string A string representing a formatting style. To format numbers, you can either use predefined numeric formats or create user-defined numeric formats. T...	[ { "code": null, "e": 2061, "s": 2001, "text": "Converts a value to text according to the specified format." }, { "code": null, "e": 2097, "s": 2061, "text": "FORMAT (<value>, <format_string>) \n" }, { "code": null, "e": 2103, "s": 2097, "text": "value" }, ...
Explain the log based recovery in DBMS	Log is nothing but a file which contains a sequence of records, each log record refers to a write operation. All the log records are recorded step by step in the log file. We can say, log files store the history of all updates activities. Log contains start of transaction, transaction number, record number, old value, ...	[ { "code": null, "e": 1301, "s": 1062, "text": "Log is nothing but a file which contains a sequence of records, each log record refers to a write operation. All the log records are recorded step by step in the log file. We can say, log files store the history of all updates activities." }, { ...
DAX Aggregation - AVERAGE function	Returns the average (arithmetic mean) of all the numbers in a column. AVERAGE (<column>) Column The column that contains the numbers for which you want the average. Returns a decimal number that represents the arithmetic mean of the numbers in the column. If the column contains logical values or empty cells, those val...	[ { "code": null, "e": 2071, "s": 2001, "text": "Returns the average (arithmetic mean) of all the numbers in a column." }, { "code": null, "e": 2091, "s": 2071, "text": "AVERAGE (<column>)\n" }, { "code": null, "e": 2098, "s": 2091, "text": "Column" }, { ...
Design Patterns - Null Object Pattern	In Null Object pattern, a null object replaces check of NULL object instance. Instead of putting if check for a null value, Null Object reflects a do nothing relationship. Such Null object can also be used to provide default behaviour in case data is not available. In Null Object pattern, we create an abstract class sp...	[ { "code": null, "e": 3017, "s": 2751, "text": "In Null Object pattern, a null object replaces check of NULL object instance. Instead of putting if check for a null value, Null Object reflects a do nothing relationship. Such Null object can also be used to provide default behaviour in case data is no...
How to plot a circle in Matplotlib?	To plot a circle in matplotlib, we can take the following steps − Create a new figure or activate an existing figure using figure() method. Create a new figure or activate an existing figure using figure() method. Add a subplot arrangement to the current axis. Add a subplot arrangement to the current axis. Create a tru...	[ { "code": null, "e": 1128, "s": 1062, "text": "To plot a circle in matplotlib, we can take the following steps −" }, { "code": null, "e": 1202, "s": 1128, "text": "Create a new figure or activate an existing figure using figure() method." }, { "code": null, "e": 1276,...
Git Commit	Since we have finished our work, we are ready move from stage to commit for our repo. Adding commits keep track of our progress and changes as we work. Git considers each commit change point or "save point". It is a point in the project you can go back to if you find a bug, or want to make a change. When we commit...	[ { "code": null, "e": 89, "s": 0, "text": "Since we have finished our work, \nwe are ready move from stage to commit \nfor our repo." }, { "code": null, "e": 306, "s": 89, "text": "Adding commits keep track of our progress and changes as we work. Git \nconsiders each commit chang...
Presenting multiple node label support and graph mutability features of the Neo4j Graph Data Science in the Star Wars universe \| by Tomaz Bratanic \| Towards Data Science	Article was updates on 30.4.2022 to follow the new GDS 2.0 syntax I decided to take a short break from watching the Joy of Painting by Bob Ross, which I highly recommend, and inspect some of the new syntax in Neo4j Graph Data Science version 2.0. For me, a very cool GDS feature is the ability to filter nodes by labels ...	[ { "code": null, "e": 113, "s": 47, "text": "Article was updates on 30.4.2022 to follow the new GDS 2.0 syntax" }, { "code": null, "e": 294, "s": 113, "text": "I decided to take a short break from watching the Joy of Painting by Bob Ross, which I highly recommend, and inspect some...
YOLOv2 object detection using Darkflow \| by Park Chansung \| Towards Data Science	This story introduces how object detection can be done. It will be helpful if you plan to build an application which benefits from object detection. YOLOv2 algorithm is used behind the scene. However, I have used open source implementation, “Darkflow”, so you don’t need to worry about the detail. You need 4 steps to pe...	[ { "code": null, "e": 469, "s": 171, "text": "This story introduces how object detection can be done. It will be helpful if you plan to build an application which benefits from object detection. YOLOv2 algorithm is used behind the scene. However, I have used open source implementation, “Darkflow”, so...
What is the purpose of using a dumpStack() method in Java?	The dumpStack() method is a static method of Thread class and it can be used to print or display stack tracing of the current thread to System.err. The purpose of the dumpStack() method is basically for debugging and Internally this method is calling the printStackTrace() method of Throwable class. This method does not...	[ { "code": null, "e": 1405, "s": 1062, "text": "The dumpStack() method is a static method of Thread class and it can be used to print or display stack tracing of the current thread to System.err. The purpose of the dumpStack() method is basically for debugging and Internally this method is calling th...
wxPython - Guage Class	Progressbar control in wxPython is called Gauge. Wx.Gauge class object shows a vertical or horizontal bar, which graphically shows incrementing quantity. It is typically used to demonstrate progression of a process like copying files or installing a software. Wx.Gauge control can be used in determinate as well as indet...	[ { "code": null, "e": 2142, "s": 1882, "text": "Progressbar control in wxPython is called Gauge. Wx.Gauge class object shows a vertical or horizontal bar, which graphically shows incrementing quantity. It is typically used to demonstrate progression of a process like copying files or installing a sof...
LASSO Regression Tutorial. Bias-variance evaluation using LASSO... \| by Benjamin Obi Tayo Ph.D. \| Towards Data Science	LASSO regression is an example of regularized regression. Regularization is one approach to tackle the problem of overfitting by adding additional information, and thereby shrinking the parameter values of the model to induce a penalty against complexity. The 3 most popular approaches to regularized linear regression a...	[ { "code": null, "e": 606, "s": 171, "text": "LASSO regression is an example of regularized regression. Regularization is one approach to tackle the problem of overfitting by adding additional information, and thereby shrinking the parameter values of the model to induce a penalty against complexity....
Build a scalable web crawler with Selenium and Python \| by Philipp Postels \| Towards Data Science	Disclaimer: Since scraping of Medium.com Services is prohibited by the terms of use, I would like to point out that we immediately processed the underlying data within the project with NLP and no storing of the pure texts took place. The approach illustrated in this article is therefore for demonstration purposes only ...	[ { "code": null, "e": 552, "s": 172, "text": "Disclaimer: Since scraping of Medium.com Services is prohibited by the terms of use, I would like to point out that we immediately processed the underlying data within the project with NLP and no storing of the pure texts took place. The approach illustra...
Pytest - Conftest.py	We can define the fixture functions in this file to make them accessible across multiple test files. Create a new file conftest.py and add the below code into it − import pytest @pytest.fixture def input_value(): input = 39 return input Edit the test_div_by_3_6.py to remove the fixture function − import pytest ...	[ { "code": null, "e": 2143, "s": 2042, "text": "We can define the fixture functions in this file to make them accessible across multiple test\nfiles." }, { "code": null, "e": 2207, "s": 2143, "text": "Create a new file conftest.py and add the below code into it −" }, { "c...
reflect.MapOf() Function in Golang with Examples - GeeksforGeeks	28 Apr, 2020 Go language provides inbuilt support implementation of run-time reflection and allowing a program to manipulate objects with arbitrary types with the help of reflect package. The reflect.MapOf() Function in Golang is used to get the map type with the given key and element types, i.e., if k represents int a...	[ { "code": null, "e": 25831, "s": 25803, "text": "\n28 Apr, 2020" }, { "code": null, "e": 26283, "s": 25831, "text": "Go language provides inbuilt support implementation of run-time reflection and allowing a program to manipulate objects with arbitrary types with the help of refle...
Rearrange array to maximize count of local minima - GeeksforGeeks	15 Jun, 2021 Given an array arr[] of size N, the task is to rearrange the array elements such that the count of local minima in the array is maximum. Note: An element arr[x] is said to be a local minimum if it is less than or equal to both its adjacent elements. The first and last array elements can’t be considered as ...	[ { "code": null, "e": 26645, "s": 26617, "text": "\n15 Jun, 2021" }, { "code": null, "e": 26782, "s": 26645, "text": "Given an array arr[] of size N, the task is to rearrange the array elements such that the count of local minima in the array is maximum." }, { "code": null...
How to align an image and text vertically on the same line in React Bootstrap? - GeeksforGeeks	14 Jan, 2021 ReactJS has a very beautiful way to align images and text vertically in the same line in React Bootstrap. ReactJS is a front-end library developed by Facebook to build various components of the front-end. Bootstrap is a CSS framework developed by Twitter for building CSS enriched front end websites. Inclu...	[ { "code": null, "e": 26863, "s": 26835, "text": "\n14 Jan, 2021" }, { "code": null, "e": 27165, "s": 26863, "text": "ReactJS has a very beautiful way to align images and text vertically in the same line in React Bootstrap. ReactJS is a front-end library developed by Facebook to b...
Remove duplicates from a sorted linked list using recursion - GeeksforGeeks	24 Jun, 2021 Write a removeDuplicates() function which takes a list sorted in non-decreasing order and deletes any duplicate nodes from the list. The list should only be traversed once. For example if the linked list is 11->11->11->21->43->43->60 then removeDuplicates() should convert the list to 11->21->43->60. Algo...	[ { "code": null, "e": 26203, "s": 26175, "text": "\n24 Jun, 2021" }, { "code": null, "e": 26506, "s": 26203, "text": "Write a removeDuplicates() function which takes a list sorted in non-decreasing order and deletes any duplicate nodes from the list. The list should only be traver...