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MySQL DELETE Statement | The DELETE statement is used to delete existing records in a table.
Note: Be careful when deleting records in a table! Notice the
WHERE clause in the
DELETE statement.
The WHERE clause specifies which record(s) should be deleted. If
you omit the WHERE clause, all records in the table will be deleted!
Below is a sele... | [
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"text": "The DELETE statement is used to delete existing records in a table."
},
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"text": "Note: Be careful when deleting records in a table! Notice the \nWHERE clause in the \nDELETE statement.\nThe WHERE clause ... |
Python Program to find the area of a circle | In this article, we will learn about the solution and approach to solve the given problem statement.
Problem statement −Given the radius of a circle, we need to find a circle.
The area of a circle can simply be evaluated using the following formula.
Area = Pi*r*r
Let’s see the implementation below −
Live Demo
def find... | [
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"text": "Problem statement −Given the radius of a circle, we need to find a circle."
},
... |
How to create a JSON using JsonObjectBuilder and JsonArrayBuilder in Java? | The JsonObjectBuilder can be used for creating JsonObject models whereas the JsonArrayBuilder can be used for creating JsonArray models. The JsonObjectBuilder can be created using the Json class, it contains methods to create the builder object and build an empty JsonObject instance using the Json.createObjectBuilder()... | [
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"text": "The JsonObjectBuilder can be used for creating JsonObject models whereas the JsonArrayBuilder can be used for creating JsonArray models. The JsonObjectBuilder can be created using the Json class, it contains methods to create the builder object and buil... |
Tcl - Basic Syntax | Tcl is quite simple to learn and let's start creating our first Tcl program!
Let us write a simple Tcl program. All Tcl files will have an extension, i.e., .tcl. So, put the following source code in a test.tcl file.
#!/usr/bin/tclsh
puts "Hello, World!"
Assuming, Tcl environment is setup correctly; let's run the prog... | [
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"text": "Let us write a simple Tcl program. All Tcl files will have an extension, i.e., .tcl. So, put the followin... |
Python | os.path.normcase() method | 09 Mar, 2022
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.path module is sub module of OS module in Python used for common path name manipulati... | [
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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... |
SQL Snapshots | 23 Oct, 2020
Snapshot is a recent copy of the table from the database or a subset of rows/columns of a table. The SQL statement that creates and subsequently maintains a snapshot normally reads data from the database residing server. A snapshot is created on the destination system with the create snapshot SQL command. ... | [
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"text": "Snapshot is a recent copy of the table from the database or a subset of rows/columns of a table. The SQL statement that creates and subsequently maintains a snapshot normally ... |
How to run bash script in Python? | 26 Mar, 2021
If you are using any major operating system you are indirectly interacting with bash. If you are running Ubuntu, Linux Mint, or any other Linux distribution, you are interacting with bash every time you use the terminal. Suppose you have written your bash script that needs to be invoked from python code. T... | [
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"text": "If you are using any major operating system you are indirectly interacting with bash. If you are running Ubuntu, Linux Mint, or any other Linux distribution, you are interacti... |
How to create the boilerplate code in VS Code? | 31 May, 2021
While programming, there is often a piece of code that needs to be written repetitively. For example, loops (for loop, while loop, do-while loop), or classes and functions. To write such a piece of code, again and again, becomes a daunting task, and often copy and paste is done, which definitely takes a lo... | [
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Grab where current date and the day before with MySQL? | You can grab the current date with CURDATE() and the day before with MySQL using DATE_SUB() with INTERVAL 1 DAY. The syntax is as follows:
SELECT DATE_SUB(CURDATE(),INTERVAL 1 DAY);
The syntax is as follows to get curdate and the day before with date_sub().
SELECT *FROM yourTableName WHERE yourColumnName = CURDATE() OR... | [
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"text": "You can grab the current date with CURDATE() and the day before with MySQL using DATE_SUB() with INTERVAL 1 DAY. The syntax is as follows:"
},
{
"code": null,
"e": 1369,
"s": 1326,
"text": "SELECT DATE_SUB(CURDATE(),INTERVAL 1 DAY);"... |
K- Fibonacci series | 04 Feb, 2022
Given integers ‘K’ and ‘N’, the task is to find the Nth term of the K-Fibonacci series.
In K – Fibonacci series, the first ‘K’ terms will be ‘1’ and after that every ith term of the series will be the sum of previous ‘K’ elements in the same series.
Examples:
Input: N = 4, K = 2
Output: 3
The K-Fibona... | [
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"text": "Given integers ‘K’ and ‘N’, the task is to find the Nth term of the K-Fibonacci series. "
},
{
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"text": "In K – Fibonacci... |
Pass by Value and Pass by Reference in Javascript | 19 Jan, 2021
In this article, we will talk about Pass by value and Pass by Reference in JavaScript .
Pass By Value: In Pass by value, function is called by directly passing the value of the variable as an argument. So any changes made inside the function does not affect the original value.
In Pass by value, parameter... | [
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Java program to find the average of given numbers using arrays | You can read data from the user using scanner class.
Using the nextInt() method of this class get the number of elements from the user.
Create an empty array.
Store the elements entered by the user in the array created above.
Finally, Add all the elements in the array and divide the sub by the number of elements.
impor... | [
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"text": "Using the nextInt() method of this class get the number of elements from the user."
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Python - Add a prefix to column names in a Pandas DataFrame | To add a prefix to all the column names, use the add_prefix() method. At first, import the required Pandas library −
import pandas as pd
Create a DataFrame with 4 columns −
dataFrame = pd.DataFrame({"Car": ['BMW', 'Lexus', 'Tesla', 'Mustang', 'Mercedes', 'Jaguar'],"Cubic_Capacity": [2000, 1800, 1500, 2500, 2200, 3000],... | [
{
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"text": "To add a prefix to all the column names, use the add_prefix() method. At first, import the required Pandas library −"
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{
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"text": "import pandas as pd"
},
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"code": null,
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... |
Use BigQuery free — without a credit card: Discover, learn and share | by Felipe Hoffa | Towards Data Science | Important update: I left Google and joined Snowflake in 2020 — so I’m unable to keep my older posts updated. If you want to try Snowflake, join us — I’m having a lot of fun ❄️.
signup.snowflake.com
See the official blog post “Query without a credit card: introducing BigQuery sandbox” for more details. Here we are going... | [
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},
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"text": "signup.sn... |
How to make a Tkinter window not resizable? | Tkinter initially creates a resizable window for every application. Let us suppose that we want to make a non-resizable window in an application. In this case, we can use resizable(height, width) and pass the value of height=None and width=None. The method also works by passing Boolean values as resizable(False, False)... | [
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"text": "Tkinter initially creates a resizable window for every application. Let us suppose that we want to make a non-resizable window in an application. In this case, we can use resizable(height, width) and pass the value of height=None and width=None. The met... |
MySQLi - SSL Set | bool mysqli_ssl_set (
mysqli $link , string $key , string $cert , string $ca , string $capath , string $cipher )
It is used for establishing secure connections using SSL
Try out following example −
<?php
$servername = "localhost:3306";
$username = "root";
$password = "";
$dbname = "TUTORIALS";
$con ... | [
{
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"text": "bool mysqli_ssl_set ( \n mysqli $link , string $key , string $cert , string $ca , string $capath , string $cipher )\n"
},
{
"code": null,
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"text": "It is used for establishing secure connections using SSL"
},... |
Seven Jupyter Notebook Setups to Improve Readability | by Sabi Horvat | Towards Data Science | Using coding blocks, or cells, that execute separately- although they may have a sequence dependency- is very useful for data model development. The Jupyter Notebooks interface has a simplicity that is easy to learn. Once you are versed in the basics, allow me to share seven setup modifications or enhancements that inc... | [
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"text": "Using coding blocks, or cells, that execute separately- although they may have a sequence dependency- is very useful for data model development. The Jupyter Notebooks interface has a simplicity that is easy to learn. Once you are versed in the basics, all... |
ArrayList vs LinkedList in Java - GeeksforGeeks | 27 Aug, 2021
An array is a collection of items stored at contiguous memory locations. The idea is to store multiple items of the same type together. However, the limitation of the array is that the size of the array is predefined and fixed. There are multiple ways to solve this problem. In this article, the difference ... | [
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"text": "An array is a collection of items stored at contiguous memory locations. The idea is to store multiple items of the same type together. However, the limitation of ... |
Python - math.atan() function - GeeksforGeeks | 28 May, 2020
Math module contains a number of functions which is used for mathematical operations. The math.atan() function returns the arctangent of a number as a value. The value passed in this function should be between -PI/2 and PI/2 radians.
Syntax: math.atan(x)
Parameter:This method accepts only single parameters... | [
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"text": "Math module contains a number of functions which is used for mathematical operations. The math.atan() function returns the arctangent of a number as a value. The v... |
Analyze global COVID 19 data with Choropleth maps | by Mythili Krishnan | Towards Data Science | COVID-19 needs no introduction- it is the latest infectious disease that has gripped the whole world. So, have you wondered how the world has changed over this past few months? Can we visualize this change over months across different countries?
Too many questions but we have a simple answer — we can easily do this usi... | [
{
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"s": 171,
"text": "COVID-19 needs no introduction- it is the latest infectious disease that has gripped the whole world. So, have you wondered how the world has changed over this past few months? Can we visualize this change over months across different countries?"
},
{... |
PostgreSQL - Size of tablespace - GeeksforGeeks | 22 Feb, 2021
In this article, we will look into the function that is used to get the size of the PostgreSQL database tablespace. The pg_tablespace_size() function is used to get the size of a tablespace of a table. This function accepts a tablespace name and returns the size in bytes.
Syntax: select pg_tablespace_size... | [
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"text": "In this article, we will look into the function that is used to get the size of the PostgreSQL database tablespace. The pg_tablespace_size() function is used to ge... |
Python Program to Read Two Numbers and Print Their Quotient and Remainder | When it is required to read two numbers and print the quotient and remainder when they are divided, the ‘//’ and ‘%’ operators can be used.
Below is a demonstration of the same −
Live Demo
first_num = int(input("Enter the first number..."))
second_num = int(input("Enter the second number..."))
print("The first number ... | [
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"text": "Below is a demonstration of the same −"
... |
Text Sentiment Analysis in NLP. Problems, use-cases, and methods: from... | by Arun Jagota | Towards Data Science | People like expressing sentiment. Happy or unhappy. Like or dislike. Praise or complain. Good or bad. That is, positive or negative.
Sentiment analysis in NLP is about deciphering such sentiment from text. Is it positive, negative, both, or neither? If there is sentiment, which objects in the text the sentiment is refe... | [
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"text": "People like expressing sentiment. Happy or unhappy. Like or dislike. Praise or complain. Good or bad. That is, positive or negative."
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"text": "Sentiment analysis in NLP is about deciphering such s... |
Tailwind CSS Padding - GeeksforGeeks | 23 Mar, 2022
This class accepts lots of values in tailwind CSS in which all the properties are covered in class form. It is the alternative to the CSS Padding Property. This class is used to create space around the element, inside any defined border. We can set different paddings for individual sides (top, right, botto... | [
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"text": "This class accepts lots of values in tailwind CSS in which all the properties are covered in class form. It is the alternative to the CSS Padding Property. This cl... |
How to convert from Unix timestamp to MySQL timestamp value? | MySQL converts Unix timestamp to timestamp data type value with the help of FROM_UNIXTIME() function.
mysql> Select FROM_UNIXTIME(1508622563);
+-----------------------------+
| FROM_UNIXTIME(1508622563) |
+-----------------------------+
| 2017-10-22 03:19:23 |
+-----------------------------+
1 row in set (0.... | [
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"code": null,
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"text": "mysql> Select FROM_UNIXTIME(1508622563);\n+-----------------------------+\n| FR... |
Machine Learning in the Browser: Train and Serve a Mobilenet Model for Custom Image Classification | by Erdem Isbilen | Towards Data Science | There are several ways of fine-tuning a deep learning model but doing this on the web browser with WebGL acceleration is something that we experienced not such a long time ago, with the introduction of Tensorflow.js. I will use Tensorflow.js together with Angular to build a Web App that trains a convolutional neural ne... | [
{
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"text": "There are several ways of fine-tuning a deep learning model but doing this on the web browser with WebGL acceleration is something that we experienced not such a long time ago, with the introduction of Tensorflow.js. I will use Tensorflow.js together with... |
Build A Voice-Controlled Mouse In 5 minutes | by That Data Bloke | Towards Data Science | In this story, we will build an application using Python that will accept voice commands from the user and perform certain GUI based actions using the mouse and keyboard. You can think of it as you own voice-enabled digital assistant. It can play media, open applications, send emails, move around the mouse pointer and ... | [
{
"code": null,
"e": 703,
"s": 171,
"text": "In this story, we will build an application using Python that will accept voice commands from the user and perform certain GUI based actions using the mouse and keyboard. You can think of it as you own voice-enabled digital assistant. It can play media, o... |
Python | Pandas Series.str.center() - GeeksforGeeks | 27 Mar, 2019
Series.str can be used to access the values of the series as strings and apply several methods to it. Pandas Series.str.center() function is used for filling left and right side of strings in the Series/Index with an additional character. The function is equivalent to Python’s str.center().
Syntax: Series.... | [
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"text": "Series.str can be used to access the values of the series as strings and apply several methods to it. Pandas Series.str.center() function is used for filling left ... |
Can we have an empty catch block in Java? | Yes, we can have an empty catch block. But this is a bad practice to implement in Java.
Generally, the try block has the code which is capable of producing exceptions, if anything wrong in the try block, for instance, divide by zero, file not found, etc. It will generate an exception that is caught by the catch block. ... | [
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Shortest path with exactly k edges in a directed and weighted graph | Set 2 - GeeksforGeeks | 10 Nov, 2021
Given a directed weighted graph and two vertices S and D in it, the task is to find the shortest path from S to D with exactly K edges on the path. If no such path exists, print -1.
Examples:
Input: N = 3, K = 2, ed = {{{1, 2}, 5}, {{2, 3}, 3}, {{3, 1}, 4}}, S = 1, D = 3 Output: 8 Explanation: The shortes... | [
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"text": "Given a directed weighted graph and two vertices S and D in it, the task is to find the shortest path from S to D with exactly K edges on the path. If no such path... |
Amazon product availability checker using Python - GeeksforGeeks | 02 Nov, 2021
As we know Python is a multi-purpose language and widely used for scripting. Its usage is not just limited to solve complex calculations but also to automate daily life task. Let’s say we want to track any Amazon product availability and grab the deal when the product availability changes and inform the us... | [
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"text": "As we know Python is a multi-purpose language and widely used for scripting. Its usage is not just limited to solve complex calculations but also to automate daily... |
Build a Super Simple GAN in PyTorch | by Nicolas Bertagnolli | Towards Data Science | Generative Adversarial Networks (GANs) are a model framework where two models are trained together: one learns to generate synthetic data from the same distribution as the training set and the other learns to distinguish true data from generated data. When I was first learning about them, I remember being kind of overw... | [
{
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"text": "Generative Adversarial Networks (GANs) are a model framework where two models are trained together: one learns to generate synthetic data from the same distribution as the training set and the other learns to distinguish true data from generated data. Whe... |
AngularJS - Modules | AngularJS supports modular approach. Modules are used to separate logic such as services, controllers, application etc. from the code and maintain the code clean. We define modules in separate js files and name them as per the module.js file. In the following example, we are going to create two modules −
Application Mo... | [
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Build a Basic React App that Display “Hello World!” - GeeksforGeeks | 30 Sep, 2021
React is a Javascript Library that was created by Facebook for building better User Interface(UI) web applications and mobile applications. It is an open source library for creating interactive and dynamic applications.
In this article, we will see how to build a basic react app that shows hello world.
To ... | [
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"text": "React is a Javascript Library that was created by Facebook for building better User Interface(UI) web applications and mobile applications. It is an open source li... |
MySQL query to fetch the latest date from a table with date records | Let us first create a table −
mysql> create table DemoTable
(
DueDate date
);
Query OK, 0 rows affected (0.56 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('2018-10-01');
Query OK, 1 row affected (0.14 sec)
mysql> insert into DemoTable values('2016-12-31');
Query OK... | [
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"text": "Let us first create a table −"
},
{
"code": null,
"e": 1180,
"s": 1092,
"text": "mysql> create table DemoTable\n(\n DueDate date\n);\nQuery OK, 0 rows affected (0.56 sec)"
},
{
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... |
C++ Program to Convert Km/hr to miles/hr and vice versa | If input is in km/hr convert it to miles/hr else input will be in miles/hr convert it to km/hr. There are formulas that can be used for this conversion.
Conversion Formulas −
1 kilo-metre = 0.621371 miles
1 miles = 1.60934 Kilo-meter
Input-: kmph= 50.00
Mph = 10.00
Output-: speed in m/ph is 31.07
speed in km/ph i... | [
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"text": "If input is in km/hr convert it to miles/hr else input will be in miles/hr convert it to km/hr. There are formulas that can be used for this conversion."
},
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"code": null,
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"s": 1215,
"text": "Conversion Formulas −"
},
... |
NP complete problems - GeeksQuiz | 06 May, 2017
1. The problem of determining whether there exists
a cycle in an undirected graph is in P.
2. The problem of determining whether there exists
a cycle in an undirected graph is in NP.
3. If a problem A is NP-Complete, there exists a
non-deterministic polynomial time algorithm to solve A.
Writing ... | [
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"text": "1. The problem of determining whether there exists\n a cycle in an undirected graph is in P.\n2. The problem of determining whether there exists\n a cycle in a... |
Python | Convert two lists into a dictionary - GeeksforGeeks | 28 Nov, 2018
Interconversion between data types are usually necessary in real time applications as certain systems have certain modules which require the input in a particular data-type. Let’s discuss a simple yet useful utility of conversion of two lists into a key:value pair dictionary.
Method #1 : Naive MethodThe ba... | [
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list insert() in C++ STL - GeeksforGeeks | 24 Oct, 2018
The list::insert() is used to insert the elements at any position of list. This function takes 3 elements, position, number of elements to insert and value to insert. If not mentioned, number of elements is default set to 1.
Syntax:
insert(pos_iter, ele_num, ele)
Parameters: This function takes in three p... | [
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Python | Check if list contains consecutive numbers - GeeksforGeeks | 19 Mar, 2019
Given a list of numbers, write a Python program to check if the list contains consecutive integers.
Examples:
Input : [2, 3, 1, 4, 5]
Output : True
Input : [1, 2, 3, 5, 6]
Output : False
Let’s discuss the few ways we can do this task. Approach #1 : using sorted()
This approach uses sorted() function of P... | [
{
"code": null,
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"s": 26083,
"text": "\n19 Mar, 2019"
},
{
"code": null,
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"text": "Given a list of numbers, write a Python program to check if the list contains consecutive integers."
},
{
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... |
Generate all binary numbers in range [L, R] with same length - GeeksforGeeks | 23 Dec, 2021
Given two positive integer numbers L and R. The task is to convert all the numbers from L to R to binary number. The length of all binary numbers should be same.
Examples:
Input: L = 2, R = 4Output:010011100Explanation: The binary representation of the numbers: 2 = 10, 3 = 11 and 4 = 100.For the numbers to... | [
{
"code": null,
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},
{
"code": null,
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"text": "Given two positive integer numbers L and R. The task is to convert all the numbers from L to R to binary number. The length of all binary numbers should be same."
... |
How to block comments in YAML ? - GeeksforGeeks | 11 Jun, 2020
YAML is a human-friendly data serialization standard for all programming languages. It is commonly used for configuration files and in applications where data is being stored or transmitted.
The Normal Way for commenting in YAML is Inline commenting with the “#” symbol, however, if you want to comment bloc... | [
{
"code": null,
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"text": "\n11 Jun, 2020"
},
{
"code": null,
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"text": "YAML is a human-friendly data serialization standard for all programming languages. It is commonly used for configuration files and in applications where data is b... |
Python MongoDB - find_one_and_update Query - GeeksforGeeks | 26 May, 2020
The function find_one_and_update() actually finds and updates a MongoDB document. Though default-wise this function returns the document in original form and to return the updated document return_document have to be implemented in the code.
Syntax: coll.find_one_and_update(filter, update, options)
Paramete... | [
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"code": null,
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},
{
"code": null,
"e": 25778,
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"text": "The function find_one_and_update() actually finds and updates a MongoDB document. Though default-wise this function returns the document in original form and to re... |
Cumulative Frequency and Probability Table in R - GeeksforGeeks | 30 May, 2021
In this article, we are going to see how to calculate the cumulative frequency and probability table in R programming language.
Table(): Tables in R are used for better organizing and summarizing the categorical variables. The table() method takes the cross-classifying factors belonging in a vector to buil... | [
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{
"code": null,
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"text": "In this article, we are going to see how to calculate the cumulative frequency and probability table in R programming language."
},
{
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Microsoft Azure - Working with PowerShell in Cosmos DB - GeeksforGeeks | 26 Jan, 2021
Azure Cosmos DB is a fully managed NoSQL database for build applications designed by Microsoft. It is highly responsive, scalable, and fully automated. Azure Cloud Shell is an in-browser terminal used to manage cloud instances in Azure. The PowerShell is an application used for the same purpose but is inst... | [
{
"code": null,
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"text": "\n26 Jan, 2021"
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{
"code": null,
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"text": "Azure Cosmos DB is a fully managed NoSQL database for build applications designed by Microsoft. It is highly responsive, scalable, and fully automated. Azure Cloud... |
Printing brackets in Matrix Chain Multiplication Problem - GeeksforGeeks | 23 Dec, 2021
Prerequisite : Dynamic Programming | Set 8 (Matrix Chain Multiplication)Given a sequence of matrices, find the most efficient way to multiply these matrices together. The problem is not actually to perform the multiplications, but merely to decide in which order to perform the multiplications.We have many ... | [
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"text": "Prerequisite : Dynamic Programming | Set 8 (Matrix Chain Multiplication)Given a sequence of matrices, find the most efficient way to multiply these matrices togeth... |
COBOL - Basic Verbs | COBOL Tutorial
COBOL - Home
COBOL - Overview
COBOL - Environment Setup
COBOL - Program Structure
COBOL - Basic Syntax
COBOL - Data Types
COBOL - Basic Verbs
COBOL - Data Layout
COBOL - Conditional Statements
COBOL - Loop Statements
COBOL - String Handling
COBOL - Table Processing
COBOL - File Handling
COBOL - File Orga... | [
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Set dotted line for border with CSS | To set dotted line for border, use the border-style property. You can try to run the following code to implement border-style property value dotted to set dotted border:
<html>
<head>
</head>
<body>
<p style = "border-width:3px; border-style:dotted;">
This is a dotted border.
</p>
</bod... | [
{
"code": null,
"e": 1232,
"s": 1062,
"text": "To set dotted line for border, use the border-style property. You can try to run the following code to implement border-style property value dotted to set dotted border:"
},
{
"code": null,
"e": 1393,
"s": 1232,
"text": "<html>\n <... |
Python - How to Concatenate Two or More Pandas DataFrames along rows? | To concatenate more than two Pandas DataFrames, use the concat() method. Set the axis parameter as axis = 0 to concatenate along rows. At first, import the required library −
import pandas as pd
Let us create the 1st DataFrame −
dataFrame1 = pd.DataFrame(
{
"Col1": [10, 20, 30],"Col2": [40, 50, 60],"Col3": [70... | [
{
"code": null,
"e": 1237,
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"text": "To concatenate more than two Pandas DataFrames, use the concat() method. Set the axis parameter as axis = 0 to concatenate along rows. At first, import the required library −"
},
{
"code": null,
"e": 1257,
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"text": "import ... |
Explain the dynamic memory allocation of pointer to structure in C language | Pointer to structure holds the add of the entire structure.
It is used to create complex data structures such as linked lists, trees, graphs and so on.
The members of the structure can be accessed using a special operator called as an arrow operator ( -> ).
Following is the declaration for pointers to structures in C p... | [
{
"code": null,
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"text": "Pointer to structure holds the add of the entire structure."
},
{
"code": null,
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"s": 1122,
"text": "It is used to create complex data structures such as linked lists, trees, graphs and so on."
},
{
"code": null,
... |
Check if an array can be Arranged in Left or Right Positioned Array - GeeksforGeeks | 20 Apr, 2021
Given an array arr[] of size n>4, the task is to check whether the given array can be arranged in the form of Left or Right positioned array? Left or Right Positioned Array means each element in the array is equal to the number of elements to its left or number of elements to its right.Examples :
Input ... | [
{
"code": null,
"e": 25324,
"s": 25296,
"text": "\n20 Apr, 2021"
},
{
"code": null,
"e": 25624,
"s": 25324,
"text": "Given an array arr[] of size n>4, the task is to check whether the given array can be arranged in the form of Left or Right positioned array? Left or Right Positio... |
Check if a string contains only alphabets in Java using Lambda expression | Let’s say our string is −
String str = "Amit123";
Now, using allMatch() method, get the boolean result whether the string has only alphabets or now −
boolean result = str.chars().allMatch(Character::isLetter);
Following is an example to check if a string contains only alphabets using Lambda Expressions −
class Main {
... | [
{
"code": null,
"e": 1088,
"s": 1062,
"text": "Let’s say our string is −"
},
{
"code": null,
"e": 1112,
"s": 1088,
"text": "String str = \"Amit123\";"
},
{
"code": null,
"e": 1212,
"s": 1112,
"text": "Now, using allMatch() method, get the boolean result whethe... |
gzip.compress(s) in Python - GeeksforGeeks | 23 Mar, 2020
With the help of gzip.compress(s) method, we can get compress the bytes of string by using gzip.compress(s) method.
Syntax : gzip.compress(string)Return : Return compressed string.
Example #1 :In this example we can see that by using gzip.compress(s) method, we are able to compress the string in the byte f... | [
{
"code": null,
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"text": "\n23 Mar, 2020"
},
{
"code": null,
"e": 24017,
"s": 23901,
"text": "With the help of gzip.compress(s) method, we can get compress the bytes of string by using gzip.compress(s) method."
},
{
"code": null,
"e": 24082,
... |
How to Execute Native Shell Commands from Java Program? - GeeksforGeeks | 03 Mar, 2021
A shell command is a command that we can trigger using a keyboard and a command-line or a shell instead of a Graphical user interface. Usually, we would trigger shell commands manually. However, there can be instances where this needs to be done programmatically through Java.
Java provides support to run n... | [
{
"code": null,
"e": 23948,
"s": 23920,
"text": "\n03 Mar, 2021"
},
{
"code": null,
"e": 24225,
"s": 23948,
"text": "A shell command is a command that we can trigger using a keyboard and a command-line or a shell instead of a Graphical user interface. Usually, we would trigger sh... |
HTML Tables with Fixed Header on Scroll in CSS | By setting postion: sticky and top: 0, we can create a fixed header on a scroll in HTML tables.
The following examples give us an idea of how to implement this −
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
div {
color: white;
display: flex;
padding: 2%;
background-color: rgba(190,155,150);
height: 1... | [
{
"code": null,
"e": 1158,
"s": 1062,
"text": "By setting postion: sticky and top: 0, we can create a fixed header on a scroll in HTML tables."
},
{
"code": null,
"e": 1224,
"s": 1158,
"text": "The following examples give us an idea of how to implement this −"
},
{
"code"... |
How to create a MySQL table with indexes? | To create a MySQL table with indexes, the syntax is as follows −
create table yourTableName
(
yourColumnName1 dataType,
yourColumnName2 dataType
.
.
.
N
);
create index yourIndexName1 on(yourColumnName1 );
create index yourIndexName2 on(yourColumnName2 );
Let us first create a table −
mysql> create table DemoTable
-... | [
{
"code": null,
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"text": "To create a MySQL table with indexes, the syntax is as follows −"
},
{
"code": null,
"e": 1318,
"s": 1127,
"text": "create table yourTableName\n(\nyourColumnName1 dataType,\nyourColumnName2 dataType\n.\n.\n.\nN\n);\ncreate index your... |
Count occurrences of a word in string - GeeksforGeeks | 06 Oct, 2021
You are given a string and a word your task is that count the number of the occurrence of the given word in the string and print the number of occurrences of the word. Examples:
Input : string = "GeeksforGeeks A computer science portal for geeks"
word = "portal"
Output : Occurrences of Word = 1 Time
Inpu... | [
{
"code": null,
"e": 25028,
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"text": "\n06 Oct, 2021"
},
{
"code": null,
"e": 25207,
"s": 25028,
"text": "You are given a string and a word your task is that count the number of the occurrence of the given word in the string and print the number of occurrences of the w... |
wxPython - GridBagSizer | GridBagSizer is a versatile sizer. It offers more enhancements than FlexiGridSizer. Child widget can be added to a specific cell within the grid. Furthermore, a child widget can occupy more than one cell horizontally and/or vertically. Hence, a static text and multiline text control in the same row can have different w... | [
{
"code": null,
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"s": 1882,
"text": "GridBagSizer is a versatile sizer. It offers more enhancements than FlexiGridSizer. Child widget can be added to a specific cell within the grid. Furthermore, a child widget can occupy more than one cell horizontally and/or vertically. Hence, a static t... |
Model Lift — the missing link. How to talk about Machine Learning... | by Andrzej Szymanski, PhD | Towards Data Science | Half of the success in data modelling is the perception of our model by the stakeholder/audience. The critical point is to understand their expectation and address them in our presentation, using simple language, understandable by a broad, non-technical audience. Usually, the audience are the members of marketing and/o... | [
{
"code": null,
"e": 780,
"s": 172,
"text": "Half of the success in data modelling is the perception of our model by the stakeholder/audience. The critical point is to understand their expectation and address them in our presentation, using simple language, understandable by a broad, non-technical a... |
Crafting a Machine Learning Model to Predict Student Retention Using R | by Luciano Vilas Boas | Towards Data Science | First and foremost, let’s start by defining what student retention is, at least in the scope of this article. We’ll define it, as the indicator that tells us if a student that started in College for the first time in a particular Fall semester, came back to the following next Fall (or not). For instance, let’s say a st... | [
{
"code": null,
"e": 659,
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"text": "First and foremost, let’s start by defining what student retention is, at least in the scope of this article. We’ll define it, as the indicator that tells us if a student that started in College for the first time in a particular Fall semester, came back ... |
Java Numeric Literals with Underscore - GeeksforGeeks | 24 Nov, 2020
A new feature was introduced by JDK 7 which allows writing numeric literals using the underscore character. Numeric literals are broken to enhance the readability. This feature is used to separate a group of digits in numeric literal which can improve the readability of source code. There are some rules t... | [
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},
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"code": null,
"e": 24318,
"s": 23948,
"text": " A new feature was introduced by JDK 7 which allows writing numeric literals using the underscore character. Numeric literals are broken to enhance the readability... |
XPath - Axes | As location path defines the location of a node using absolute or relative path, axes are used to identify elements by their relationship like parent, child, sibling, etc. Axes are named so because they refer to axis on which elements are lying relative to an element.
Following is the list of various Axis values.
ances... | [
{
"code": null,
"e": 1998,
"s": 1729,
"text": "As location path defines the location of a node using absolute or relative path, axes are used to identify elements by their relationship like parent, child, sibling, etc. Axes are named so because they refer to axis on which elements are lying relative... |
Extracting ML-Features from Graph Data with DeepGL on Neo4j | by Mark Needham | Towards Data Science | In 2013 Tomas Mikolov and his Google colleagues released a paper describing word2vec, and popularised the idea of generating embeddings to represent pieces of data.
An embedding is an array or vector of numbers used to represent something, in word2vec’s case: a word.
Adrian Colyer has a nice diagram showing a very simp... | [
{
"code": null,
"e": 337,
"s": 172,
"text": "In 2013 Tomas Mikolov and his Google colleagues released a paper describing word2vec, and popularised the idea of generating embeddings to represent pieces of data."
},
{
"code": null,
"e": 440,
"s": 337,
"text": "An embedding is an ar... |
Introduction to Regular Expressions (Regex) in R | Towards Data Science | We live in a data-centric age. Data has been described as the new oil. But just like oil, data isn’t always useful in its raw form. One form of data that is particularly hard to use in its raw form is unstructured data.
A lot of data is unstructured data. Unstructured data doesn’t fit nicely into a format for analysis,... | [
{
"code": null,
"e": 391,
"s": 171,
"text": "We live in a data-centric age. Data has been described as the new oil. But just like oil, data isn’t always useful in its raw form. One form of data that is particularly hard to use in its raw form is unstructured data."
},
{
"code": null,
"e"... |
BigDecimal multiply() Method in Java - GeeksforGeeks | 16 Oct, 2019
The java.math.BigDecimal.multiply(BigDecimal multiplicand) is an inbuilt method in java that returns a BigDecimal whose value is (this × multiplicand), and whose scale is (this.scale() + multiplicand.scale()).Syntax:public BigDecimal multiply(BigDecimal multiplicand)
Parameters: This method accepts a singl... | [
{
"code": null,
"e": 24027,
"s": 23999,
"text": "\n16 Oct, 2019"
},
{
"code": null,
"e": 27413,
"s": 24027,
"text": "The java.math.BigDecimal.multiply(BigDecimal multiplicand) is an inbuilt method in java that returns a BigDecimal whose value is (this × multiplicand), and whose s... |
How to convert a String containing Scientific Notation to correct JavaScript number format? | To convert a string with Scientific Notation, use the Number function. Pass the value to this function.
You can try to run the following code to convert a string to correct number format −
Live Demo
<!DOCTYPE html>
<html>
<body>
<script>
document.write("String with Scientific Notation converted below:... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "To convert a string with Scientific Notation, use the Number function. Pass the value to this function."
},
{
"code": null,
"e": 1251,
"s": 1166,
"text": "You can try to run the following code to convert a string to correct number fo... |
5 Tools for Reproducible Data Science | by Rebecca Vickery | Towards Data Science | The definition of reproducibility in science is the “extent to which consistent results are obtained when an experiment is repeated”. Data, in particular where the data is held in a database, can change. Additionally, data science is largely based on random-sampling, probability and experimentation. In this field, it c... | [
{
"code": null,
"e": 676,
"s": 172,
"text": "The definition of reproducibility in science is the “extent to which consistent results are obtained when an experiment is repeated”. Data, in particular where the data is held in a database, can change. Additionally, data science is largely based on rand... |
Sum of bitwise OR of all subarrays | 22 Jun, 2021
Give an array of positive integers, find the total sum after performing the bit wise OR operation on all the sub arrays of a given array.Examples:
Input : 1 2 3 4 5
Output : 71
Input : 6 5 4 3 2
Output : 84
First initialize the two variable sum=0, sum1=0, variable sum will store the total sum and, w... | [
{
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{
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"text": "Give an array of positive integers, find the total sum after performing the bit wise OR operation on all the sub arrays of a given array.Examples: "
},
{
"code": nul... |
HISTTIMEFORMAT variable in Linux with Example | 24 Dec, 2020
The bash shell in Linux allows us to access the command history i.e, the list of previously executed commands in sequence using the history command. The history command is used to keep track of all commands that were executed. It is very important during troubleshooting or for auditing. History command wit... | [
{
"code": null,
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"text": "\n24 Dec, 2020"
},
{
"code": null,
"e": 578,
"s": 28,
"text": "The bash shell in Linux allows us to access the command history i.e, the list of previously executed commands in sequence using the history command. The history command is use... |
Insertion Sort for Doubly Linked List | 22 Jun, 2022
Sort the doubly linked list using the insertion sort technique.
Initial doubly linked list
Doubly Linked List after applying insertion sort
Algorithm: Below is a simple insertion sort algorithm for doubly-linked lists.1) Create an empty sorted (or result) doubly linked list. 2) Traverse the given doubly ... | [
{
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},
{
"code": null,
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"text": "Sort the doubly linked list using the insertion sort technique."
},
{
"code": null,
"e": 145,
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"text": "Initial doubly linked list "
},
{
... |
How to dynamically add or remove items from a list in Vue.js ? | 19 Feb, 2021
Vue is a progressive framework for building user interfaces. The core library is focused on the view layer only and is easy to pick up and integrate with other libraries. Vue is also perfectly capable of powering sophisticated Single-Page Applications in combination with modern tooling and supporting libra... | [
{
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"text": "\n19 Feb, 2021"
},
{
"code": null,
"e": 368,
"s": 54,
"text": "Vue is a progressive framework for building user interfaces. The core library is focused on the view layer only and is easy to pick up and integrate with other libraries. Vue... |
Sorting of a Vector in R Programming – sort() Function | 05 Jun, 2020
sort() function in R Language is used to sort a vector by its values. It takes Boolean value as argument to sort in ascending or descending order.
Syntax:sort(x, decreasing, na.last)
Parameters:x: Vector to be sorteddecreasing: Boolean value to sort in descending orderna.last: Boolean value to put NA at th... | [
{
"code": null,
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},
{
"code": null,
"e": 175,
"s": 28,
"text": "sort() function in R Language is used to sort a vector by its values. It takes Boolean value as argument to sort in ascending or descending order."
},
{
"code": null,
... |
Python OpenCV – Bicubic Interpolation for Resizing Image | 08 May, 2021
Image resizing is a crucial concept that wishes to augment or reduce the number of pixels in a picture. Applications of image resizing can occur under a wider form of scenarios: transliteration of the image, correcting for lens distortion, changing perspective, and rotating a picture. The results of resizi... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n08 May, 2021"
},
{
"code": null,
"e": 428,
"s": 52,
"text": "Image resizing is a crucial concept that wishes to augment or reduce the number of pixels in a picture. Applications of image resizing can occur under a wider form of scenari... |
HTML <q> Tag | 17 Mar, 2022
The <q> tag is a standard quotation tag and used for short quotation. The browser normally inserts a quotation mark around the quotation. For longer quotations, the <blockquote> tag must be used since it is a block-level element. The <q> tag requires a starting as well as end tag.Syntax:
<q> Contents... ... | [
{
"code": null,
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"text": "\n17 Mar, 2022"
},
{
"code": null,
"e": 344,
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"text": "The <q> tag is a standard quotation tag and used for short quotation. The browser normally inserts a quotation mark around the quotation. For longer quotations, the <blockquo... |
PHP | decbin( ) Function | 09 Mar, 2018
While working with numbers, many times we need to convert the bases of number and one of the most frequent used conversion is decimal to binary conversion. PHP provides us with a built-in function, decbin() for this purpose.The decbin() function in PHP is used to return a string containing a binary represe... | [
{
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"text": "\n09 Mar, 2018"
},
{
"code": null,
"e": 417,
"s": 28,
"text": "While working with numbers, many times we need to convert the bases of number and one of the most frequent used conversion is decimal to binary conversion. PHP provides us wit... |
Python | Convert Tuples to Dictionary | 20 Aug, 2020
Conversions among datatypes are quite popular utility and hence having knowledge of it always proves out to be quite handy. The conversion of a list of tuples into a dictionary had been discussed earlier, sometimes, we might have a key and a value tuple to be converted to a dictionary. Let’s discuss certai... | [
{
"code": null,
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"text": "\n20 Aug, 2020"
},
{
"code": null,
"e": 400,
"s": 54,
"text": "Conversions among datatypes are quite popular utility and hence having knowledge of it always proves out to be quite handy. The conversion of a list of tuples into a dictiona... |
How to create a PHP form that submit to self ? | 17 Jan, 2022
Forms can be submitted to the web page itself using PHP. The main purpose of submitting forms to self is for data validation. Data validation means checking for the required data to be entered in the form fields. PHP_SELF is a variable that returns the current script being executed. You can use this variab... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n17 Jan, 2022"
},
{
"code": null,
"e": 718,
"s": 28,
"text": "Forms can be submitted to the web page itself using PHP. The main purpose of submitting forms to self is for data validation. Data validation means checking for the required d... |
How to Parse Data From JSON into Python? | 05 Jul, 2021
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write for machines to parse and generate. Basically it is used to represent data in a specified format to access and work with data easily. Here we will learn, how to create and parse data from JSO... | [
{
"code": null,
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"text": "\n05 Jul, 2021"
},
{
"code": null,
"e": 355,
"s": 28,
"text": "JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write for machines to parse and generate. Basically it is used to... |
Struts 2 - Actions | Actions are the core of the Struts2 framework, as they are for any MVC (Model View Controller) framework. Each URL is mapped to a specific action, which provides the processing logic which is necessary to service the request from the user.
But the action also serves in two other important capacities. Firstly, the actio... | [
{
"code": null,
"e": 2620,
"s": 2380,
"text": "Actions are the core of the Struts2 framework, as they are for any MVC (Model View Controller) framework. Each URL is mapped to a specific action, which provides the processing logic which is necessary to service the request from the user."
},
{
... |
Matplotlib.axes.Axes.hlines() in Python | 13 Apr, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text, Polygon, etc., and sets the coordinate system. And the instances of Axes supports callbacks through a callbacks attribute.
The Axe... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n13 Apr, 2020"
},
{
"code": null,
"e": 328,
"s": 28,
"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text... |
gpasswd command in Linux with examples | 20 May, 2019
gpasswd command is used to administer the /etc/group and /etc/gshadow. As every group in Linux has administrators, members, and a password. It is an inherent security problem as more than one person is permitted to know the password. However, groups can perform co-operation between different users. This co... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n20 May, 2019"
},
{
"code": null,
"e": 688,
"s": 28,
"text": "gpasswd command is used to administer the /etc/group and /etc/gshadow. As every group in Linux has administrators, members, and a password. It is an inherent security problem ... |
Python – Split String on vowels | 01 Jun, 2021
Given a String, perform split on vowels.
Input : test_str = ‘GFGaBst’ Output : [‘GFG’, ‘Bst’] Explanation : a is vowel and split happens on that.Input : test_str = ‘GFGaBstuforigeeks’ Output : [‘GFG’, ‘Bst’, ‘for’, ‘geeks’] Explanation : a, u, i are vowels and split happens on that.
Method : Using regex... | [
{
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"text": "\n01 Jun, 2021"
},
{
"code": null,
"e": 70,
"s": 28,
"text": "Given a String, perform split on vowels. "
},
{
"code": null,
"e": 315,
"s": 70,
"text": "Input : test_str = ‘GFGaBst’ Output : [‘GFG’, ‘Bst’] Explanation :... |
Python Web Scraping Tutorial | 16 Jun, 2022
Let’s suppose you want to get some information from a website? Let’s say an article from the geeksforgeeks website or some news article, what will you do? The first thing that may come in your mind is to copy and paste the information into your local media. But what if you want a large amount of data on a ... | [
{
"code": null,
"e": 54,
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"text": "\n16 Jun, 2022"
},
{
"code": null,
"e": 493,
"s": 54,
"text": "Let’s suppose you want to get some information from a website? Let’s say an article from the geeksforgeeks website or some news article, what will you do? The first thing tha... |
How to send state/props to another component in React with onClick? | 25 Oct, 2020
The props and state are the main concepts of React. Actually, only changes in props and/ or state trigger React to rerender your components and potentially update the DOM in the browser
Props: It allows you to pass data from a parent component to a child component.
State: While props allow you to pass data... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n25 Oct, 2020"
},
{
"code": null,
"e": 240,
"s": 54,
"text": "The props and state are the main concepts of React. Actually, only changes in props and/ or state trigger React to rerender your components and potentially update the DOM in ... |
Python - Proxy Server | Proxy servers are used to browse to some website through another server so that the browsing remains anonymous. It can also be used to bypass the blocking of specific IP addresses.
We use the urlopen method from the urllib module to access the website by passing the proxy server address as a parameter.
In the below exa... | [
{
"code": null,
"e": 2507,
"s": 2326,
"text": "Proxy servers are used to browse to some website through another server so that the browsing remains anonymous. It can also be used to bypass the blocking of specific IP addresses."
},
{
"code": null,
"e": 2630,
"s": 2507,
"text": "W... |
Output Iterators in C++ - GeeksforGeeks | 25 Apr, 2019
After going through the template definition of various STL algorithms like std::copy, std::move, std::transform, you must have found their template definition consisting of objects of type Output Iterator. So what are they and why are they used ?
Output iterators are one of the five main types of iterators... | [
{
"code": null,
"e": 23731,
"s": 23703,
"text": "\n25 Apr, 2019"
},
{
"code": null,
"e": 23978,
"s": 23731,
"text": "After going through the template definition of various STL algorithms like std::copy, std::move, std::transform, you must have found their template definition cons... |
Understanding Axes and Dimensions | Numpy | Pandas | by Shiva Verma | Towards Data Science | I am going to explain a really basic but important topic, Axes and Dimensions. Many people find it quite confusing, especially using axis while applying a function on multi-dimensional data.
Axis or dimensions is a very generic concept. Whether you are handling data in Numpy, Pandas, TensorFlow, or another library, you... | [
{
"code": null,
"e": 362,
"s": 171,
"text": "I am going to explain a really basic but important topic, Axes and Dimensions. Many people find it quite confusing, especially using axis while applying a function on multi-dimensional data."
},
{
"code": null,
"e": 607,
"s": 362,
"tex... |
Detection of a specific color(blue here) using OpenCV with Python? | For many people, image processing may seem like a scary and daunting task but it is not as hard as many people thought it is. In this tutorial we’ll be doing basic color detection in openCv with python.
We represent colors on a computers by color-space or color models which basically describes range of colors as tuples... | [
{
"code": null,
"e": 1265,
"s": 1062,
"text": "For many people, image processing may seem like a scary and daunting task but it is not as hard as many people thought it is. In this tutorial we’ll be doing basic color detection in openCv with python."
},
{
"code": null,
"e": 1395,
"s"... |
How to use MySQL Date functions with WHERE clause? | By using the WHERE clause with any of the MySQL date functions, the query will filter the rows based on the condition provided in the WHERE clause. To understand it, consider the data from ‘Collegedetail’ table as follows
mysql> Select * from Collegedetail;
+------+---------+------------+
| ID | Country | Estb ... | [
{
"code": null,
"e": 1284,
"s": 1062,
"text": "By using the WHERE clause with any of the MySQL date functions, the query will filter the rows based on the condition provided in the WHERE clause. To understand it, consider the data from ‘Collegedetail’ table as follows"
},
{
"code": null,
... |
C++ Algorithm Library - count() Function | The C++ function std::algorithm::count() returns the number of occurrences of value in range. This function uses operator == for comparison.
Following is the declaration for std::algorithm::count() function form std::algorithm header.
template <class InputIterator, class T>
typename iterator_traits<InputIterator>::diff... | [
{
"code": null,
"e": 2744,
"s": 2603,
"text": "The C++ function std::algorithm::count() returns the number of occurrences of value in range. This function uses operator == for comparison."
},
{
"code": null,
"e": 2838,
"s": 2744,
"text": "Following is the declaration for std::alg... |
Check replication type in MySQL? | To check replication type, you can use SHOW GLOBAL VARIABLES command. The syntax is as follows −
SHOW GLOBAL VARIABLES LIKE 'binlog_format';
The above syntax returns either ROW, MIXED or STATEMENT. The default resultant is ROW.
Now you can implement the above syntax to check replication type. The query is as follows −
... | [
{
"code": null,
"e": 1159,
"s": 1062,
"text": "To check replication type, you can use SHOW GLOBAL VARIABLES command. The syntax is as follows −"
},
{
"code": null,
"e": 1203,
"s": 1159,
"text": "SHOW GLOBAL VARIABLES LIKE 'binlog_format';"
},
{
"code": null,
"e": 1290... |
Angular Google Charts - Quick Guide | Google Charts is a pure JavaScript based charting library meant to enhance web applications by adding interactive charting capability. It supports a wide range of charts. Charts are drawn using SVG in standard browsers like Chrome, Firefox, Safari, Internet Explorer(IE). In legacy IE 6, VML is used to draw the graphics... | [
{
"code": null,
"e": 2118,
"s": 1796,
"text": "Google Charts is a pure JavaScript based charting library meant to enhance web applications by adding interactive charting capability. It supports a wide range of charts. Charts are drawn using SVG in standard browsers like Chrome, Firefox, Safari, Inte... |
Machine Learning — Word Embedding & Sentiment Classification using Keras | by Javaid Nabi | Towards Data Science | In the previous post, we discussed various steps of text processing involved in Nature Language Processing (NLP) and also implemented a basic Sentiment Analyzer using some of the classical ML techniques.
Deep learning has demonstrated superior performance on a wide variety of tasks including NLP, Computer Vision, and G... | [
{
"code": null,
"e": 375,
"s": 171,
"text": "In the previous post, we discussed various steps of text processing involved in Nature Language Processing (NLP) and also implemented a basic Sentiment Analyzer using some of the classical ML techniques."
},
{
"code": null,
"e": 646,
"s": ... |
Linked Lists in Python. Linked List Data Structures in Python | by Sadrach Pierre, Ph.D. | Towards Data Science | Data structures provide ways of organizing data such that we can perform operations on the data efficiently. One important data structure is the linked list. A linked list is a linear collection of nodes, where each node contains a data value and a reference to the next node in the list. In this post, we will discuss h... | [
{
"code": null,
"e": 532,
"s": 172,
"text": "Data structures provide ways of organizing data such that we can perform operations on the data efficiently. One important data structure is the linked list. A linked list is a linear collection of nodes, where each node contains a data value and a refere... |
The intersection of two arrays in Python (Lambda expression and filter function ) | In this article, we will learn about the intersection of two arrays in Python with the help of Lambda expression and filter function.
The problem is that we are given two arrays we have to find out common elements in both of them.
1. Declaring an intersection function with two arguments.
2. Now we use the lambda expres... | [
{
"code": null,
"e": 1196,
"s": 1062,
"text": "In this article, we will learn about the intersection of two arrays in Python with the help of Lambda expression and filter function."
},
{
"code": null,
"e": 1293,
"s": 1196,
"text": "The problem is that we are given two arrays we h... |
ReactJS | Lifecycle of Components - GeeksforGeeks | 14 Mar, 2022
Prerequisite : Introduction to ReactJs We have seen so far that React web apps are actually a collection of independent components that run according to the interactions made with them. Every React Component has a lifecycle of its own, lifecycle of a component can be defined as the series of methods that a... | [
{
"code": null,
"e": 27166,
"s": 27138,
"text": "\n14 Mar, 2022"
},
{
"code": null,
"e": 27687,
"s": 27166,
"text": "Prerequisite : Introduction to ReactJs We have seen so far that React web apps are actually a collection of independent components that run according to the intera... |
Synchronizing Threads in Python | The threading module provided with Python includes a simple-to-implement locking mechanism that allows you to synchronize threads. A new lock is created by calling the Lock() method, which returns the new lock.
The acquire(blocking) method of the new lock object is used to force threads to run synchronously. The option... | [
{
"code": null,
"e": 1273,
"s": 1062,
"text": "The threading module provided with Python includes a simple-to-implement locking mechanism that allows you to synchronize threads. A new lock is created by calling the Lock() method, which returns the new lock."
},
{
"code": null,
"e": 1473,... |
Markov Clustering Algorithm. In this post, we describe an... | by Arun Jagota | Towards Data Science | In this post, we describe an interesting and effective graph-based clustering algorithm called Markov clustering. Like other graph-based clustering algorithms and unlike K-means clustering, this algorithm does not require the number of clusters to be known in advance. (For more on this, see [1].)
This algorithm is very... | [
{
"code": null,
"e": 470,
"s": 172,
"text": "In this post, we describe an interesting and effective graph-based clustering algorithm called Markov clustering. Like other graph-based clustering algorithms and unlike K-means clustering, this algorithm does not require the number of clusters to be know... |
Instruction type MOV r, M in 8085 Microprocessor | In 8085 Instruction set, MOV r, M is an instruction where the 8-bit data content of the memory location as pointed by HL register pair will be moved to the register r. Thus this is an instruction to load register r with the 8-bit value from a specified memory location whose 16-bit address is in HL register pair.
As r c... | [
{
"code": null,
"e": 1376,
"s": 1062,
"text": "In 8085 Instruction set, MOV r, M is an instruction where the 8-bit data content of the memory location as pointed by HL register pair will be moved to the register r. Thus this is an instruction to load register r with the 8-bit value from a specified ... |
MySQL query to check how to get time difference | Let us first create a table −
mysql> create table DemoTable1570
-> (
-> ArrivalTime datetime
-> );
Query OK, 0 rows affected (0.87 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1570 values('2019-10-15 5:10:00');
Query OK, 1 row affected (0.25 sec)
mysql> insert into D... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1207,
"s": 1092,
"text": "mysql> create table DemoTable1570\n -> (\n -> ArrivalTime datetime\n -> );\nQuery OK, 0 rows affected (0.87 sec)"
},
{
"code": null,
"... |
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