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Difference Between Shallow copy VS Deep copy in Pandas Dataframes | 09 Feb, 2022
The pandas library has mainly two data structures DataFrames and Series. These data structures are internally represented with index arrays, which label the data, and data arrays, which contain the actual data. Now, when we try to copy these data structures (DataFrames and Series) we essentially copy the o... | [
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"text": "The pandas library has mainly two data structures DataFrames and Series. These data structures are internally represented with index arrays, which label the data, and data ar... |
Count number of ways to fill a “n x 4” grid using “1 x 4” tiles | 05 Jul, 2022
Given a number n, count number of ways to fill a n x 4 grid using 1 x 4 tiles.Examples:
Input : n = 1
Output : 1
Input : n = 2
Output : 1
We can only place both tiles horizontally
Input : n = 3
Output : 1
We can only place all tiles horizontally.
Input : n = 4
Output : 2
The two ways are :
1) Place... | [
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"text": "Given a number n, count number of ways to fill a n x 4 grid using 1 x 4 tiles.Examples: "
},
{
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"text": "Input : n = 1\n... |
Python – Remove all consonants from string | 14 Feb, 2022
Sometimes, while working with Python, we can have a problem in which we wish to remove all the non vowels from strings. This is quite popular question and solution to it is useful in competitive programming and day-day programming. Lets discuss certain ways in which this task can be performed.Method #1 : U... | [
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"text": "Sometimes, while working with Python, we can have a problem in which we wish to remove all the non vowels from strings. This is quite popular question and solution to it is us... |
How to add a custom styled Toast in Android | 29 Jun, 2021
A Toast is a feedback message. It takes very little space for displaying and it is displayed on top of the main content of an activity, and only remains visible for a short time period. This article explains how to create Custom Toast messages, which has custom background, image, icon, etc, which are not p... | [
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"code": null,
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"text": "A Toast is a feedback message. It takes very little space for displaying and it is displayed on top of the main content of an activity, and only remains visible for a short t... |
How to retrieve the contents of a text field in JavaFX? | The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line. In JavaFX the javafx.scene.control.TextField class represents the text field, this class inherits the javafx.scene.control.TextInputControl (base class of all the text controls) class. Using this you can accep... | [
{
"code": null,
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"text": "The text field accepts and displays the text. In the latest versions of JavaFX, it accepts only a single line. In JavaFX the javafx.scene.control.TextField class represents the text field, this class inherits the javafx.scene.control.TextInputControl (b... |
Prolog - Recursion and Structures | This chapter covers recursion and structures.
Recursion is a technique in which one predicate uses itself (may be with some other predicates) to find the truth value.
Let us understand this definition with the help of an example −
is_digesting(X,Y) :- just_ate(X,Y).
is_digesting(X,Y) :- just_ate(X,Y).
is_digesting(X,Y)... | [
{
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"text": "This chapter covers recursion and structures."
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"text": "Recursion is a technique in which one predicate uses itself (may be with some other predicates) to find the truth value."
},
{
"... |
How to create Kernel Density Plot in R? | 23 May, 2021
In this article, we will discuss how to create kernel density plots in R programming language. For this, the user simply needs to call the density() function which is an in-build function in R language. Then the user has to pass the given data as the parameter to this function in order to create a density ... | [
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"text": "In this article, we will discuss how to create kernel density plots in R programming language. For this, the user simply needs to call the density() function which is an in-bu... |
Self Destructing Code in C | 21 Nov, 2017
Using remove() function in C, we can write a program which can destroy itself after it is compiled and executed.
Explanation: This can be done using the remove function in C. Note that, this is done in Linux environment. So, the remove function is fed the first parameter in command line argument i.e. a.out... | [
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"text": "Using remove() function in C, we can write a program which can destroy itself after it is compiled and executed."
},
{
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"... |
What is a Dictionary Attack? | 04 Jul, 2022
A Dictionary Attack is an attack vector used by the attacker to break in a system, which is password protected, by putting technically every word in a dictionary as a form of password for that system. This attack vector is a form of Brute Force Attack.
The dictionary can contain words from an English dict... | [
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{
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"text": "A Dictionary Attack is an attack vector used by the attacker to break in a system, which is password protected, by putting technically every word in a dictionary as a form of... |
Python – Spell Corrector GUI using Tkinter | 12 Jun, 2021
Prerequisites : Introduction to tkinter | spell checking
Python offers multiple options for developing a GUI (Graphical User Interface). Out of all the GUI methods, Tkinter is the most commonly used method. Python with Tkinter outputs the fastest and easiest way to create GUI applications. In this articl... | [
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"text": "Python offers multiple options for developing a G... |
How To Install Jenkins on Ubuntu | Jenkins is a powerful application that allows continuous integration and continuous delivery of projects, regardless of the platform you are working on. It is a free source that can handle any kind of build or continuous integration. You can integrate Jenkins with a number of testing and deployment technologies. This a... | [
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"text": "Jenkins is a powerful application that allows continuous integration and continuous delivery of projects, regardless of the platform you are working on. It is a free source that can handle any kind of build or continuous integration. You can integrate J... |
Flatten JavaScript objects into a single-depth Object | 13 Sep, 2021
Given a nested JavaScript object, the task is to flatten the object and pull out all the values to a single depth. If the values are already at single depth then it returns the result unaltered.
typeof() method: The typeof() method is used in the script to check the type of JavaScript variable.
Syntax:
typ... | [
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"text": "Given a nested JavaScript object, the task is to flatten the object and pull out all the values to a single depth. If the values are already at single depth then it returns th... |
Python PIL |ImageDraw.Draw.multiline_text() | 09 Sep, 2019
PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The ImageDraw module provide simple 2D graphics for Image objects. You can use this module to create new images, annotate or retouch existing images, and to generate graphics on the fly for web use.
Ima... | [
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"text": "PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. The ImageDraw module provide simple 2D graphics for Image objects. You... |
Perl Installation and Environment Setup in Windows, Linux, and MacOS | 12 Jun, 2019
Prerequisite: Introduction to Perl
Before, we start with the process of Installing Perl on our System, whether it be Windows, Linux or Macintosh. We must have first-hand knowledge of What the Perl Language is and what it actually does?. Perl is a general purpose, high level interpreted and dynamic programm... | [
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"text": "Prerequisite: Introduction to Perl"
},
{
"code": null,
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"text": "Before, we start with the process of Installing Perl on our System, wheth... |
How to make a key fire when key is pressed using JavaScript ? | 27 Jan, 2020
In JavaScript, holding down a key will fire the key continuously until it is released. This behavior may be used in applications such as games where a key may be expected to fire only once even after being held down. This can be achieved using two methods:
Method 1: Using a flag variable to check the curre... | [
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"text": "In JavaScript, holding down a key will fire the key continuously until it is released. This behavior may be used in applications such as games where a key may be expected to f... |
Encoding Categorical Variables: One-hot vs Dummy Encoding | by Rukshan Pramoditha | Towards Data Science | You’ll often find categorical variables in your datasets. A categorical variable has a finite number of categories or labels for its values. For example, Gender is a categorical variable that can take “Male” and “Female” for its values.
Categorical variables are mainly divided into two types:
Ordinal categorical variab... | [
{
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"text": "You’ll often find categorical variables in your datasets. A categorical variable has a finite number of categories or labels for its values. For example, Gender is a categorical variable that can take “Male” and “Female” for its values."
},
{
"cod... |
How to concat strings using AngularJS ? - GeeksforGeeks | 30 Sep, 2020
In this article, we will see how to concat strings in AngularJS. There are few ways to concat the strings in AngularJS. In this article, we will see 2 of them.
Example 1: In the first example, we are using the ‘+’ operator to concat the strings
HTML
<!DOCTYPE HTML> <html> <head> <script src="https://... | [
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"text": "In this article, we will see how to concat strings in AngularJS. There are few ways to concat the strings in AngularJS. In this article, we will see 2 of them."
... |
Linear Regression on Housing.csv Data (Kaggle) | by Ali Fakhry | Towards Data Science | Kaggle, a Google subsidiary, is a community of machine learning enthusiasts. This particular project launched by Kaggle, California Housing Prices, is a data set that serves as an introduction to implementing machine learning algorithms. The main focus of this project is to help organize and understand data and graphs.... | [
{
"code": null,
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"text": "Kaggle, a Google subsidiary, is a community of machine learning enthusiasts. This particular project launched by Kaggle, California Housing Prices, is a data set that serves as an introduction to implementing machine learning algorithms. The main focus of ... |
Example of using Text join in SAP HANA | To implement Text join, create a table −
CREATE COLUMN TABLE TEST.P_INFO (PROD_ID BIGINT, P_CAT NVARCHAR(50));
INSERT INTO TEST.P_INFO VALUES (11,’FURNITURE’);
INSERT INTO TEST.P_INFO VALUES (14,’ELECTRONICS’);
INSERT INTO TEST.P_INFO VALUES (25,’FURNITURE’);
INSERT INTO TEST.P_INFO VALUES (76,’ELECTRONICS’);
2nd table... | [
{
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"text": "To implement Text join, create a table −"
},
{
"code": null,
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"text": "CREATE COLUMN TABLE TEST.P_INFO (PROD_ID BIGINT, P_CAT NVARCHAR(50));\nINSERT INTO TEST.P_INFO VALUES (11,’FURNITURE’);\nINSERT INTO TEST.P_I... |
C Program for Egg Dropping Puzzle | DP-11 - GeeksforGeeks | 22 Feb, 2022
The following is a description of the instance of this famous puzzle involving n=2 eggs and a building with k=36 floors.
Suppose that we wish to know which stories in a 36-story building are safe to drop eggs from, and which will cause the eggs to break on landing. We make a few assumptions:.....An egg tha... | [
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{
"code": null,
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"text": "The following is a description of the instance of this famous puzzle involving n=2 eggs and a building with k=36 floors."
},
{
"code": null,
"e": 25651... |
Caesar Cipher in Python | Suppose we have a lowercase alphabet string s, and an offset number say k. We have to replace every letter in s with a letter k positions further along the alphabet. We have to keep in mind that when the letter overflows past a or z, it gets wrapped around the other side.
So, if the input is like "hello", k = 3, then t... | [
{
"code": null,
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"text": "Suppose we have a lowercase alphabet string s, and an offset number say k. We have to replace every letter in s with a letter k positions further along the alphabet. We have to keep in mind that when the letter overflows past a or z, it gets wrapped aro... |
Modify the value associated with a given key in Java HashMap | First, create a HashMap and add elements to it −
// Create a hash map
HashMap hm = new HashMap();
// Put elements to the map
hm.put("Bag", new Integer(1100));
hm.put("Sunglasses", new Integer(2000));
hm.put("Frames", new Integer(800));
hm.put("Wallet", new Integer(700));
hm.put("Belt", new Integer(600));
Now, to modify... | [
{
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"text": "First, create a HashMap and add elements to it −"
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"code": null,
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"text": "// Create a hash map\nHashMap hm = new HashMap();\n// Put elements to the map\nhm.put(\"Bag\", new Integer(1100));\nhm.put(\"Sunglass... |
Ruby on Rails - Send Emails | Action Mailer is the Rails component that enables applications to send and receive emails. In this chapter, we will see how to send an email using Rails. Let’s start creating an emails project using the following command.
tp> rails new mailtest
This will create the required framework to proceed. Now, we will start wit... | [
{
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"text": "Action Mailer is the Rails component that enables applications to send and receive emails. In this chapter, we will see how to send an email using Rails. Let’s start creating an emails project using the following command."
},
{
"code": null,
... |
Image Steganography using Stegosuite in Linux | 28 Sep, 2021
With the rapid growth of network bandwidth and digital-communication techniques, the Internet is available to the majority of the population and it also becomes the common channel for transmitting many documents—for instance, video, image, text, and audio (in digital form). Many practices and methods have ... | [
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"text": "With the rapid growth of network bandwidth and digital-communication techniques, the Internet is available to the majority of the population and it also becomes the common cha... |
Python – tensorflow.math.equal() | 28 Jul, 2020
TensorFlow is open-source Python library designed by Google to develop Machine Learning models and deep learning neural networks.
equal() is used to perform element by equality comparison. It performs argument broadcasting before applying the comparison.
Syntax: tensorflow.math.equal( x, y, name)
Parame... | [
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ConcurrentHashMap compute() method in Java with Examples | 29 Jun, 2022
The compute(Key, BiFunction) method of ConcurrentHashMap class is used to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping is found).
This method is used to atomically update a value for given key in ConcurrentHashMap.
If the remapping function th... | [
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"text": "The compute(Key, BiFunction) method of ConcurrentHashMap class is used to compute a mapping for the specified key and its current mapped value (or null if there is no current ... |
GATE | GATE CS 1996 | Question 40 | 12 Dec, 2018
Quicksort is run on two inputs shown below to sort in ascending order taking first element as pivot,
(i) 1, 2, 3,......., n
(ii) n, n-1, n-2,......, 2, 1
Let C1 and C2 be the number of comparisons made for the inputs (i) and (ii) respectively. Then,(A) C1 < C2(B) C1 > C2(C) C1 = C2(D) We cannot say anythi... | [
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},
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Python | os.path.getmtime() method | 10 Oct, 2021
OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality. os.path module is sub module of OS module in Python used for common path name manipulati... | [
{
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"code": null,
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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... |
Puzzle 75 | Prisoner’s Hat | 08 Feb, 2018
A Police officer caught four criminals. He plays a game with these four men. He lines up three of the prisoners (A, B, C) in one room and the fourth prisoner(D) is placed in a separate room.Each prisoner is given a hat to wear. The officer tells them that there are in total two blue hats and two red hats. ... | [
{
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{
"code": null,
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"text": "A Police officer caught four criminals. He plays a game with these four men. He lines up three of the prisoners (A, B, C) in one room and the fourth prisoner(D) is placed in ... |
Combining a one and a two-dimensional NumPy Array | 01 Oct, 2020
Sometimes we need to combine 1-D and 2-D arrays and display their elements. Numpy has a function named as numpy.nditer(), which provides this facility.
Syntax: numpy.nditer(op, flags=None, op_flags=None, op_dtypes=None, order=’K’, casting=’safe’, op_axes=None, itershape=None, buffersize=0)
Example 1:
Pytho... | [
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"text": "Sometimes we need to combine 1-D and 2-D arrays and display their elements. Numpy has a function named as numpy.nditer(), which provides this facility."
},
{
"code": ... |
How to crop an image using canvas ? | 21 Jun, 2020
The HTML canvas element allows the user to draw graphics on any web page. It is like a container for graphics to draw the graphics, JavaScript is used in the code.
<canvas id="Canvas1" width="100" height="100"></canvas>
Following are the attributes to create a canvas. More optional attributes can also be a... | [
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"text": "The HTML canvas element allows the user to draw graphics on any web page. It is like a container for graphics to draw the graphics, JavaScript is used in the code."
},
{
... |
C - File I/O | The last chapter explained the standard input and output devices handled by C programming language. This chapter cover how C programmers can create, open, close text or binary files for their data storage.
A file represents a sequence of bytes, regardless of it being a text file or a binary file. C programming language... | [
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},
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... |
sys.stdout.write in Python | 01 Oct, 2020
This is a built-in Python module that contains parameters specific to the system i.e. it contains variables and methods that interact with the interpreter and are also governed by it.
A built-in file object that is analogous to the interpreter’s standard output stream in Python. stdout is used to display ... | [
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How to set creation and modification date/time of a file using Python? | To get the creation time of a file, you can use the os.path.getctime(file_path) on windows. On UNIX systems, you cant use the same function as it returns the last time that the file's attributes or content were changed. To get the creation time on UNIX based systems, use the st_birthtime attribute of the stat tuple.
On... | [
{
"code": null,
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"text": "To get the creation time of a file, you can use the os.path.getctime(file_path) on windows. On UNIX systems, you cant use the same function as it returns the last time that the file's attributes or content were changed. To get the creation time on UNIX ... |
TreeMap size() Method in Java with Examples | 29 Nov, 2021
size() method of TreeMap class is used to get the size of the map which refers to the number of the key-value pair or mappings in the Map.
--> java.util package
--> TreeMap class
--> size() Method
Syntax:
Tree_Map.size()
Return Value: The size of the map which also means the number of key-v... | [
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Scala List map() method with example | 13 Aug, 2019
The map() method is utilized to apply the stated function to all the elements of the list.
Method Definition: def map[B](f: (A) => B): List[B]
Return Type: It returns a new list after applying the stated function to all the elements of the list.
Example #1:
// Scala program of map()// method // Creating o... | [
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},
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"text": "Method Definiti... |
Source distribution and built distribution in python | 18 Oct, 2019
Python is all about Distribution. It can be defined as the collection of files that together allows to build, package and distribute a module. Once a distribution exists in a system, it can easily be installed. Also, it can be shared with PyPI(Python package index) community so that other people can use yo... | [
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"text": "Python is all about Distribution. It can be defined as the collection of files that together allows to build, package and distribute a module. Once a distribution exists in a ... |
Set clear() method in Java with Examples | 31 Dec, 2018
The Java.util.Set.clear() method is used to remove all the elements from a Set. Using the clear() method only clears all the element from the set and not deletes the set. In other words, we can say that the clear() method is used to only empty an existing Set.
Syntax:
void clear()
Parameters: The method do... | [
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"text": "The Java.util.Set.clear() method is used to remove all the elements from a Set. Using the clear() method only clears all the element from the set and not deletes the set. In o... |
Queue | Set 1 (Introduction and Array Implementation) | 04 Jul, 2022
Similar to Stack, Queue is a linear data structure that follows a particular order in which the operations are performed for storing data. The order is First In First Out (FIFO). One can imagine a queue as a line of people waiting to receive something in sequential order which starts from the beginning of... | [
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"text": "Similar to Stack, Queue is a linear data structure that follows a particular order in which the operations are performed for storing data. The order is First In First Out (FI... |
Python | Pandas DatetimeIndex.date | 24 Dec, 2018
Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.
Pandas DatetimeIndex.date attribute outputs an Index object containing the date values presen... | [
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"text": "\n24 Dec, 2018"
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{
"code": null,
"e": 242,
"s": 28,
"text": "Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes imp... |
DAX Statistical - STDEV.S function | Returns the standard deviation of a sample population.
STDEV.S (<ColumnName>)
ColumnName
The name of a column, usually fully qualified.
It cannot be an expression.
A real number.
DAX STDEV.S function assumes that the column refers to a sample of the population. If your data represents the entire population, then use D... | [
{
"code": null,
"e": 2056,
"s": 2001,
"text": "Returns the standard deviation of a sample population."
},
{
"code": null,
"e": 2080,
"s": 2056,
"text": "STDEV.S (<ColumnName>)\n"
},
{
"code": null,
"e": 2091,
"s": 2080,
"text": "ColumnName"
},
{
"code"... |
How we can use Python Tuple within a Tuple? | Tuple is defined as an ordered collection of any Python objects enclosed in parentheses. Hence, a tuple can very well be one of the items in the collection.
>>> t1=(1,(4, 5, 6),2,3)
>>> t1
(1, (4, 5, 6), 2, 3)
In this example, item at index number 1 in t1 is a tuple itself. Hence it can be retrieved using the index as ... | [
{
"code": null,
"e": 1219,
"s": 1062,
"text": "Tuple is defined as an ordered collection of any Python objects enclosed in parentheses. Hence, a tuple can very well be one of the items in the collection."
},
{
"code": null,
"e": 1272,
"s": 1219,
"text": ">>> t1=(1,(4, 5, 6),2,3)\... |
JavaScript function that generates all possible combinations of a string | We are required to write a JavaScript function that takes in a string as the only argument. The function should generate an array of strings that contains all possible contiguous substrings that exist in the array.
Following is the code −
const str = 'Delhi';
const allCombinations = (str1 = '') => {
const arr = [];
... | [
{
"code": null,
"e": 1277,
"s": 1062,
"text": "We are required to write a JavaScript function that takes in a string as the only argument. The function should generate an array of strings that contains all possible contiguous substrings that exist in the array."
},
{
"code": null,
"e": 1... |
Django - Cookies Handling | Sometimes you might want to store some data on a per-site-visitor basis as per the requirements of your web application. Always keep in mind, that cookies are saved on the client side and depending on your client browser security level, setting cookies can at times work and at times might not.
To illustrate cookies han... | [
{
"code": null,
"e": 2340,
"s": 2045,
"text": "Sometimes you might want to store some data on a per-site-visitor basis as per the requirements of your web application. Always keep in mind, that cookies are saved on the client side and depending on your client browser security level, setting cookies ... |
CSS rgba() Function | The rgba() defines the RGBA color value for Red, Green, Blue and Alpha. The alpha is the color opacity i.e. a number between 0.0 and 1.0. Here, 1.0 would be for full opaque.
Let us now see an example to implement the rgba() function −
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
#demo1 {background-color: hsla(140, ... | [
{
"code": null,
"e": 1236,
"s": 1062,
"text": "The rgba() defines the RGBA color value for Red, Green, Blue and Alpha. The alpha is the color opacity i.e. a number between 0.0 and 1.0. Here, 1.0 would be for full opaque."
},
{
"code": null,
"e": 1297,
"s": 1236,
"text": "Let us n... |
Program to multiply two matrices in C++ | In this tutorial, we will be discussing a program to multiply two matrices.
For this we will be given with two matrices and our task is to print the product of two those matrices. The only condition is that the number of columns of first matrix should be equal to the number of rows of the second matrix.
Live Demo
#inc... | [
{
"code": null,
"e": 1138,
"s": 1062,
"text": "In this tutorial, we will be discussing a program to multiply two matrices."
},
{
"code": null,
"e": 1367,
"s": 1138,
"text": "For this we will be given with two matrices and our task is to print the product of two those matrices. Th... |
static keyword in C++ vs Java | In C++ or Java we can get the static keyword. They are mostly same, but there are some basic differences between these two languages. Let us see the differences between static in C++ and static in Java.
The static data members are basically same in Java and C++. The static data members are the property of the class, an... | [
{
"code": null,
"e": 1265,
"s": 1062,
"text": "In C++ or Java we can get the static keyword. They are mostly same, but there are some basic differences between these two languages. Let us see the differences between static in C++ and static in Java."
},
{
"code": null,
"e": 1420,
"s"... |
How to decide the perfect distance metric for your machine learning model | by Harsh Maheshwari | Towards Data Science | Disclaimer: You won’t need a distance metric for every ML model, but if you do then read on to pick the best one.
Distance metrics play a significant role in machine learning and deep learning. Machine learning algorithms like k-NN, K Means clustering, and loss functions used in deep learning depend on these metrics.
T... | [
{
"code": null,
"e": 286,
"s": 172,
"text": "Disclaimer: You won’t need a distance metric for every ML model, but if you do then read on to pick the best one."
},
{
"code": null,
"e": 491,
"s": 286,
"text": "Distance metrics play a significant role in machine learning and deep le... |
Objective-C Quick Guide | Objective-C is general-purpose language that is developed on top of C Programming language by adding features of Small Talk programming language making it an object-oriented language. It is primarily used in developing iOS and Mac OS X operating systems as well as its applications.
Initially, Objective-C was developed ... | [
{
"code": null,
"e": 2843,
"s": 2560,
"text": "Objective-C is general-purpose language that is developed on top of C Programming language by adding features of Small Talk programming language making it an object-oriented language. It is primarily used in developing iOS and Mac OS X operating systems... |
The Complete Beginner’s Guide to Deep Learning: Convolutional Neural Networks and Image Classification | by Anne Bonner | Towards Data Science | “One thing that struck me early is that you don’t put into a photograph what’s going to come out. Or, vice versa, what comes out is not what you put in.”
― Diane Arbus
A notification pops up on your favorite social network that someone posted a picture that might have you in it.
It’s right.
It’s the worst picture of yo... | [
{
"code": null,
"e": 325,
"s": 171,
"text": "“One thing that struck me early is that you don’t put into a photograph what’s going to come out. Or, vice versa, what comes out is not what you put in.”"
},
{
"code": null,
"e": 339,
"s": 325,
"text": "― Diane Arbus"
},
{
"cod... |
How to Set/modify the pixels(RGB values) of an image using Java OpenCV Library? | A pixel is the smallest element of a digital image, each pixel contains the values of alpha, red, green, blue values. The pixel value(s) is stored in a 32-bit memory space holding ARGB values (8 bits each) in the same order. Therefore, to modify the color of an image −
You need to loop through each pixel in the image.
... | [
{
"code": null,
"e": 1332,
"s": 1062,
"text": "A pixel is the smallest element of a digital image, each pixel contains the values of alpha, red, green, blue values. The pixel value(s) is stored in a 32-bit memory space holding ARGB values (8 bits each) in the same order. Therefore, to modify the col... |
list assign() function in C++ STL - GeeksforGeeks | 18 Jun, 2018
The list::assign() is a built-in function in C++ STL which is used to assign values to a list. It can also be used to copy elements from one list to another.
To assign elements to a list.Syntax:list_name.assign(count, value)
Parameters: This function accepts two mandatory parameters as shown in the above ... | [
{
"code": null,
"e": 23732,
"s": 23704,
"text": "\n18 Jun, 2018"
},
{
"code": null,
"e": 23890,
"s": 23732,
"text": "The list::assign() is a built-in function in C++ STL which is used to assign values to a list. It can also be used to copy elements from one list to another."
},... |
Permutation with Spaces | Practice | GeeksforGeeks | Given a string you need to print all possible strings that can be made by placing spaces (zero or one) in between them. The output should be printed in sorted increasing order of strings
Example 1:
Input:
S = "ABC"
Output: (A B C)(A BC)(AB C)(ABC)
Explanation:
ABC
AB C
A BC
A B C
These are the possible combination of "... | [
{
"code": null,
"e": 425,
"s": 238,
"text": "Given a string you need to print all possible strings that can be made by placing spaces (zero or one) in between them. The output should be printed in sorted increasing order of strings"
},
{
"code": null,
"e": 436,
"s": 425,
"text": ... |
Zphisher – Automated Phishing Tool in Kali Linux | 23 May, 2021
Zphisher is a powerful open-source tool Phishing Tool. It became very popular nowadays that is used to do phishing attacks on Target. Zphisher is easier than Social Engineering Toolkit. It contains some templates generated by tool called Zphisher and offers phishing templates webpages for 18 popular sites... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n23 May, 2021"
},
{
"code": null,
"e": 759,
"s": 54,
"text": "Zphisher is a powerful open-source tool Phishing Tool. It became very popular nowadays that is used to do phishing attacks on Target. Zphisher is easier than Social Engineeri... |
How to set the height and width of background image inline style in react? | 16 Oct, 2020
In React, one can create an object with styling information like background image, height, width, etc and refer to the object in the style attribute in the HTML element. Since the inline CSS is written in a JavaScript object, properties with two names, like background-color, must be written with camel case... | [
{
"code": null,
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"text": "\n16 Oct, 2020"
},
{
"code": null,
"e": 344,
"s": 28,
"text": "In React, one can create an object with styling information like background image, height, width, etc and refer to the object in the style attribute in the HTML element. Since... |
strcspn() function in C/C++ | 17 Jan, 2022
The strcspn() function in C/C++ takes two string as input, string_1 and string_2 as it’s argument and searches string_1 by traversing for any characters that is present in string_2 . The function will return the length of string_1 if none of the characters of string_2 are found in string_1 . This function ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n17 Jan, 2022"
},
{
"code": null,
"e": 381,
"s": 28,
"text": "The strcspn() function in C/C++ takes two string as input, string_1 and string_2 as it’s argument and searches string_1 by traversing for any characters that is present in str... |
Creating Your First Application in Python | 19 Oct, 2021
Python is one of the simplest programming language out there. In fact, it was developed for the sole purpose of simplifying the process of learning a programming language and exposed beginners to the concepts of Programming. In this article, we will be building a Python Application. Not to worry it won’t b... | [
{
"code": null,
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"s": 25,
"text": "\n19 Oct, 2021"
},
{
"code": null,
"e": 460,
"s": 53,
"text": "Python is one of the simplest programming language out there. In fact, it was developed for the sole purpose of simplifying the process of learning a programming language and... |
Python program to sort out words of the sentence in ascending order | In order to sort the words of a sentence in ascending order, we first need to split the sentence into words using space as the splitting point. For simplicity, we'll only be splitting on space and let the punctuation be there. We can use replace or regex to remove that as well.
Once we split the sentence, we can sort t... | [
{
"code": null,
"e": 1341,
"s": 1062,
"text": "In order to sort the words of a sentence in ascending order, we first need to split the sentence into words using space as the splitting point. For simplicity, we'll only be splitting on space and let the punctuation be there. We can use replace or rege... |
PHP Constructors and Destructors | In object oriented programming terminology, constructor is a method defined inside a class is called automatically at the time of creation of object. Purpose of a constructor method is to initialize the object. In PHP, a method of special name __construct acts as a constructor.
__construct ([ mixed $args = "" [, $... ]... | [
{
"code": null,
"e": 1341,
"s": 1062,
"text": "In object oriented programming terminology, constructor is a method defined inside a class is called automatically at the time of creation of object. Purpose of a constructor method is to initialize the object. In PHP, a method of special name __constru... |
Using faiss to search in multidimensional spaces | by Sgjurano | Towards Data Science | In autumn 2019, Avito’s Automated Moderation team launched a fake ads detection service built on top of the the faiss library. It helps us detect whether an image has already been used in another ad, even if it was modified in any way — blurred, cropped, etc.
I would like to talk about the problems that we encountered ... | [
{
"code": null,
"e": 432,
"s": 172,
"text": "In autumn 2019, Avito’s Automated Moderation team launched a fake ads detection service built on top of the the faiss library. It helps us detect whether an image has already been used in another ad, even if it was modified in any way — blurred, cropped, ... |
How to get the screen DPI programmatically in Android using Kotlin? | This example demonstrates how to get the screen DPI programmatically in Android using Kotlin.
Step 1 − Create a new project in Android Studio, go to File ? New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="ut... | [
{
"code": null,
"e": 1156,
"s": 1062,
"text": "This example demonstrates how to get the screen DPI programmatically in Android using Kotlin."
},
{
"code": null,
"e": 1285,
"s": 1156,
"text": "Step 1 − Create a new project in Android Studio, go to File ? New Project and fill all r... |
JQuery | unique() method - GeeksforGeeks | 27 Apr, 2020
This unique() Method in jQuery is used to sorts an array of DOM elements, in place, with the duplicates removed.
Syntax:
jQuery.unique( array )
Parameters: The unique() method accepts only one parameter that is mentioned above and described below:
array : This parameter is the Array of DOM elements.
Retur... | [
{
"code": null,
"e": 24448,
"s": 24420,
"text": "\n27 Apr, 2020"
},
{
"code": null,
"e": 24561,
"s": 24448,
"text": "This unique() Method in jQuery is used to sorts an array of DOM elements, in place, with the duplicates removed."
},
{
"code": null,
"e": 24569,
"s... |
Change data type of given numpy array | The Numpy array support a great variety of data types in addition to python's native data types. After an array is created, we can still modify the data type of the elements in the array, depending on our need. The two methods used for this purpose are array.dtype and array.astype
This method gives us the existing data... | [
{
"code": null,
"e": 1344,
"s": 1062,
"text": "The Numpy array support a great variety of data types in addition to python's native data types. After an array is created, we can still modify the data type of the elements in the array, depending on our need. The two methods used for this purpose are ... |
Ext.js - Auto Layout | This is the default layout that decides the layout of the elements based on the number of elements.
Following is a simple syntax to use Auto layout.
layout: 'auto'
Following is a simple example showing the usage of Auto layout.
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/lib... | [
{
"code": null,
"e": 2123,
"s": 2023,
"text": "This is the default layout that decides the layout of the elements based on the number of elements."
},
{
"code": null,
"e": 2172,
"s": 2123,
"text": "Following is a simple syntax to use Auto layout."
},
{
"code": null,
"... |
Introduction of Process Management - GeeksforGeeks | 28 Jun, 2021
Program vs Process A process is a program in execution. For example, when we write a program in C or C++ and compile it, the compiler creates binary code. The original code and binary code are both programs. When we actually run the binary code, it becomes a process.
A process is an ‘active’ entity, inste... | [
{
"code": null,
"e": 27733,
"s": 27705,
"text": "\n28 Jun, 2021"
},
{
"code": null,
"e": 28002,
"s": 27733,
"text": "Program vs Process A process is a program in execution. For example, when we write a program in C or C++ and compile it, the compiler creates binary code. The orig... |
Groovy - keySet() | Obtain a Set of the keys in this Map.
Set keySet()
None.
Set of Keys.
Following is an example of the usage of this method −
class Example {
static void main(String[] args) {
def mp = ["TopicName" : "Maps", "TopicDescription" : "Methods in Maps"]
println(mp.keySet());
}
}
When we run the above pr... | [
{
"code": null,
"e": 2276,
"s": 2238,
"text": "Obtain a Set of the keys in this Map."
},
{
"code": null,
"e": 2290,
"s": 2276,
"text": "Set keySet()\n"
},
{
"code": null,
"e": 2296,
"s": 2290,
"text": "None."
},
{
"code": null,
"e": 2309,
"s": ... |
How to change ordinal X-axis label to text labels using ggplot2 in R? | A plot created with ordinal values on X-axis needs to be ordered for plotting, otherwise, the plot will have continuous values on the X-axis that includes ordinal values. If we want to convert those values to text then scale_x_discrete should be used with the number of breaks, these number of breaks are the actual numb... | [
{
"code": null,
"e": 1423,
"s": 1062,
"text": "A plot created with ordinal values on X-axis needs to be ordered for plotting, otherwise, the plot will have continuous values on the X-axis that includes ordinal values. If we want to convert those values to text then scale_x_discrete should be used wi... |
Anscombe’s quartet - GeeksforGeeks | 16 Jul, 2020
According to the definition given in Wikipedia, Anscombe’s quartet comprises four datasets that have nearly identical simple statistical properties, yet appear very different when graphed. Each dataset consists of eleven (x,y) points. They were constructed in 1973 by the statistician Francis Anscombe to de... | [
{
"code": null,
"e": 24292,
"s": 24264,
"text": "\n16 Jul, 2020"
},
{
"code": null,
"e": 24720,
"s": 24292,
"text": "According to the definition given in Wikipedia, Anscombe’s quartet comprises four datasets that have nearly identical simple statistical properties, yet appear ver... |
Check if it is possible to transform one string to another in Python | Suppose we have two strings s and t, t is in uppercase. We have to check whether we can convert s to t by performing following operations.
Convert some lowercase letters uppercase.
Remove all of the lowercase letters.
So, if the input is like s = "fanToM", t = "TOM", then the output will be True as we can change ‘o’ to... | [
{
"code": null,
"e": 1201,
"s": 1062,
"text": "Suppose we have two strings s and t, t is in uppercase. We have to check whether we can convert s to t by performing following operations."
},
{
"code": null,
"e": 1243,
"s": 1201,
"text": "Convert some lowercase letters uppercase."
... |
Basic calculator program using Java | A basic calculator is able to add, subtract, multiply or divide two numbers. This is done using a switch case. A program that demonstrates this is given as follows −
import java.util.Scanner;
public class Calculator {
public static void main(String[] args) {
double num1;
double num2;
double ans;
... | [
{
"code": null,
"e": 1228,
"s": 1062,
"text": "A basic calculator is able to add, subtract, multiply or divide two numbers. This is done using a switch case. A program that demonstrates this is given as follows −"
},
{
"code": null,
"e": 2133,
"s": 1228,
"text": "import java.util... |
Extract Data From JustDial using Selenium - GeeksforGeeks | 24 Oct, 2021
Let us see how to extract data from Justdial using Selenium and Python. Justdial is a company that provides local search for different services in India over the phone, website and mobile apps. In this article we will be extracting the following data:
Phone number
Name
Address
We can then save the data in ... | [
{
"code": null,
"e": 24212,
"s": 24184,
"text": "\n24 Oct, 2021"
},
{
"code": null,
"e": 24464,
"s": 24212,
"text": "Let us see how to extract data from Justdial using Selenium and Python. Justdial is a company that provides local search for different services in India over the p... |
Flat array of objects to tree in JavaScript | Suppose, we have an array of objects like this −
const arr = [
{ id: '1', name: 'name 1', parentId: null },
{ id: '2', name: 'name 2', parentId: null },
{ id: '2_1', name: 'name 2_1', parentId: '2' },
{ id: '2_2', name: 'name 2_2', parentId: '2' },
{ id: '3', name: 'name 3', parentId: null },
{ id: '4... | [
{
"code": null,
"e": 1111,
"s": 1062,
"text": "Suppose, we have an array of objects like this −"
},
{
"code": null,
"e": 2106,
"s": 1111,
"text": "const arr = [\n { id: '1', name: 'name 1', parentId: null },\n { id: '2', name: 'name 2', parentId: null },\n { id: '2_1', name... |
Python - Sentiment Analysis | Semantic Analysis is about analysing the general opinion of the audience. It may be a reaction to a piece of news, movie or any a tweet about some matter under discussion. Generally, such reactions are taken from social media and clubbed into a file to be analysed through NLP. We will take a simple case of defining pos... | [
{
"code": null,
"e": 3261,
"s": 2587,
"text": "Semantic Analysis is about analysing the general opinion of the audience. It may be a reaction to a piece of news, movie or any a tweet about some matter under discussion. Generally, such reactions are taken from social media and clubbed into a file to ... |
Find the Nth digit in the proper fraction of two numbers - GeeksforGeeks | 18 Nov, 2021
Given three integers P, Q and N where P < Q, the task is to compute the fraction value of P / Q and find the Nth digit after the decimal.Example
Input: P = 1, Q = 2, N = 1 Output: 5 (1 / 2) = 0.5 and 5 is the first digit after the decimal.Input: P = 5, Q = 6, N = 5 Output: 3 (5 / 6) = 0.833333333...
... | [
{
"code": null,
"e": 24326,
"s": 24298,
"text": "\n18 Nov, 2021"
},
{
"code": null,
"e": 24473,
"s": 24326,
"text": "Given three integers P, Q and N where P < Q, the task is to compute the fraction value of P / Q and find the Nth digit after the decimal.Example "
},
{
"c... |
How to Create a Control Chart in Power BI | by Natalie Garces | Towards Data Science | With companies implementing Lean Six Sigma practices, it is imperative to keep track of how processes change over time. Control charts can help the business visualize process measurements over a span of time.
First things first for those who don’t know what exactly is a control chart.
X and Y-axis Values: The data valu... | [
{
"code": null,
"e": 381,
"s": 172,
"text": "With companies implementing Lean Six Sigma practices, it is imperative to keep track of how processes change over time. Control charts can help the business visualize process measurements over a span of time."
},
{
"code": null,
"e": 458,
... |
How To Run CUDA C/C++ on Jupyter notebook in Google Colaboratory - GeeksforGeeks | 14 Apr, 2022
What is CUDA? CUDA is a model created by Nvidia for parallel computing platform and application programming interface. CUDA is the parallel computing architecture of NVIDIA which allows for dramatic increases in computing performance by harnessing the power of the GPU. What is Google Colab? Google Colab is... | [
{
"code": null,
"e": 24232,
"s": 24204,
"text": "\n14 Apr, 2022"
},
{
"code": null,
"e": 25019,
"s": 24232,
"text": "What is CUDA? CUDA is a model created by Nvidia for parallel computing platform and application programming interface. CUDA is the parallel computing architecture ... |
Array.FindAll() Method in C# | The Array.FindAll() method in C# is used to retrieve all the elements that match the conditions defined by the specified predicate.
Following is the syntax −
public static T[] FindAll<T> (T[] array, Predicate<T> match);
Let us now see an example to implement the Array.FindAll() method −
using System;
public class Demo{... | [
{
"code": null,
"e": 1194,
"s": 1062,
"text": "The Array.FindAll() method in C# is used to retrieve all the elements that match the conditions defined by the specified predicate."
},
{
"code": null,
"e": 1220,
"s": 1194,
"text": "Following is the syntax −"
},
{
"code": nu... |
What is the jQuery Event for user pressing enter in a textbox? | The jQuery event for user pressing enter is keyup and keyCode. You can try to run the following code to trigger an event on pressing enter key in textbox,
Live Demo
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(... | [
{
"code": null,
"e": 1217,
"s": 1062,
"text": "The jQuery event for user pressing enter is keyup and keyCode. You can try to run the following code to trigger an event on pressing enter key in textbox,"
},
{
"code": null,
"e": 1227,
"s": 1217,
"text": "Live Demo"
},
{
"co... |
Find sum of divisors of all the divisors of a natural number - GeeksforGeeks | 28 Apr, 2022
Given a natural number n, the task is to find sum of divisors of all the divisors of n.
Examples:
Input : n = 54
Output : 232
Divisors of 54 = 1, 2, 3, 6, 9, 18, 27, 54.
Sum of divisors of 1, 2, 3, 6, 9, 18, 27, 54
are 1, 3, 4, 12, 13, 39, 40, 120 respectively.
Sum of divisors of all the divisors of 54 =... | [
{
"code": null,
"e": 24716,
"s": 24688,
"text": "\n28 Apr, 2022"
},
{
"code": null,
"e": 24804,
"s": 24716,
"text": "Given a natural number n, the task is to find sum of divisors of all the divisors of n."
},
{
"code": null,
"e": 24815,
"s": 24804,
"text": "Ex... |
When to use extern in C/C++ | External variables are also known as global variables. These variables are defined outside the function and are available globally throughout the function execution. The “extern” keyword is used to declare and define the external variables.
The keyword [ extern “C” ] is used to declare functions in C++ which is impleme... | [
{
"code": null,
"e": 1303,
"s": 1062,
"text": "External variables are also known as global variables. These variables are defined outside the function and are available globally throughout the function execution. The “extern” keyword is used to declare and define the external variables."
},
{
... |
Introduction to Augmented Random Search. | by Ziad SALLOUM | Towards Data Science | Update: The best way of learning and practicing Reinforcement Learning is by going to http://rl-lab.com
This article is based on a paper published on March, 2018 by Horia Mania, Aurelia Guy, and Benjamin Recht from the University of California, Berkeley.
The authors assert that they have built an algorithm that is at l... | [
{
"code": null,
"e": 151,
"s": 47,
"text": "Update: The best way of learning and practicing Reinforcement Learning is by going to http://rl-lab.com"
},
{
"code": null,
"e": 302,
"s": 151,
"text": "This article is based on a paper published on March, 2018 by Horia Mania, Aurelia G... |
Python – seaborn.factorplot() method | 07 Apr, 2022
Seaborn is an amazing visualization library for statistical graphics plotting in Python. It provides beautiful default styles and color palettes to make statistical plots more attractive. It is built on the top of matplotlib library and also closely integrated to the data structures from pandas.
seaborn.fa... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n07 Apr, 2022"
},
{
"code": null,
"e": 325,
"s": 28,
"text": "Seaborn is an amazing visualization library for statistical graphics plotting in Python. It provides beautiful default styles and color palettes to make statistical plots more... |
jQuery | bind() with Examples | 12 Feb, 2019
The bind() is an inbuilt method in jQuery which is used to attach one or more event handlers for selected element and this method specifies a function to run when event occurs.Syntax:
$(selector).bind(event, data, function);
Parameter: It accepts three parameters that are specified below-
event: This is a... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n12 Feb, 2019"
},
{
"code": null,
"e": 212,
"s": 28,
"text": "The bind() is an inbuilt method in jQuery which is used to attach one or more event handlers for selected element and this method specifies a function to run when event occurs... |
Manipulating matrices in Julia | 22 Apr, 2020
Matrices in Julia are the heterogeneous type of containers and hence, they can hold elements of any data type. It is not mandatory to define the data type of a matrix before assigning the elements to the matrix. Julia automatically decides the data type of the matrix by analyzing the values assigned to it.... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n22 Apr, 2020"
},
{
"code": null,
"e": 456,
"s": 28,
"text": "Matrices in Julia are the heterogeneous type of containers and hence, they can hold elements of any data type. It is not mandatory to define the data type of a matrix before a... |
PrintStream print(String) method in Java with Examples | 29 Jan, 2019
The print(String) method of PrintStream Class in Java is used to print the specified String value on the stream. This String value is taken as a parameter.
Syntax:
public void print(String StringValue)
Parameters: This method accepts a mandatory parameter StringValue which is the String value to be written... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Jan, 2019"
},
{
"code": null,
"e": 184,
"s": 28,
"text": "The print(String) method of PrintStream Class in Java is used to print the specified String value on the stream. This String value is taken as a parameter."
},
{
"code... |
.pull-left and .pull-right classes in Bootstrap 4 | 30 Aug, 2019
The .pull-left and .pull-right classes have been replaced with the .float-left and .float-right classes in Bootstrap 4. These utility classes are used to float an element to the left or right on the various viewport sizes based on the Bootstrap Grid. It works using the CSS float property.
Using .pull-left ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Aug, 2019"
},
{
"code": null,
"e": 318,
"s": 28,
"text": "The .pull-left and .pull-right classes have been replaced with the .float-left and .float-right classes in Bootstrap 4. These utility classes are used to float an element to t... |
strcspn() in C | 23 Dec, 2017
The C library function strcspn() calculates the length of the number of characters before the 1st occurrence of character present in both the string.Syntax :
strcspn(const char *str1, const char *str2)
Parameters:
str1 : The Target string in which search has to be made.
str2 : Argument string containing c... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n23 Dec, 2017"
},
{
"code": null,
"e": 210,
"s": 52,
"text": "The C library function strcspn() calculates the length of the number of characters before the 1st occurrence of character present in both the string.Syntax :"
},
{
"c... |
Magic Square | Even Order | Difficulty Level :
Hard
A magic square of order n is an arrangement of n^2 numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagonals sum to the same constant. A magic square contains the integers from 1 to n^2.The constant sum in every row, column and diagonal... | [
{
"code": null,
"e": 24,
"s": 0,
"text": "Difficulty Level :\nHard"
},
{
"code": null,
"e": 490,
"s": 24,
"text": "A magic square of order n is an arrangement of n^2 numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagon... |
Program to make a histogram of an array | 02 Oct, 2017
Given an array of integers, print histogram of array values.
Examples:
Input : 0 11 2 13 5 12 8 11 12 9
Output :
13 | x
12 | x x x
11 | x x x x x
10 | x x x x x
9 | x x x x x ... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n02 Oct, 2017"
},
{
"code": null,
"e": 115,
"s": 54,
"text": "Given an array of integers, print histogram of array values."
},
{
"code": null,
"e": 125,
"s": 115,
"text": "Examples:"
},
{
"code": null,
"e... |
Reading and Displaying an image in OpenCV using C++ | 13 Jan, 2021
In this article, we will discuss to open an image using OpenCV (Open Source Computer Vision) in C++. Unlike python, any additional libraries in C++ are not required. OpenCV C++ comes with this amazing image container Mat that handles everything for us. The only change seen from a standard C++ program is th... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n13 Jan, 2021"
},
{
"code": null,
"e": 539,
"s": 53,
"text": "In this article, we will discuss to open an image using OpenCV (Open Source Computer Vision) in C++. Unlike python, any additional libraries in C++ are not required. OpenCV C... |
Lifecycle and States of a Thread in C# | 30 Sep, 2021
A thread in C# at any point of time exists in any one of the following states. A thread lies only in one of the shown states at any instant:
Flow Chart:
Life Cycle of a thread
Unstarted state: When an instance of a Thread class is created, it is in the unstarted state, means the thread has not yet sta... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n30 Sep, 2021"
},
{
"code": null,
"e": 193,
"s": 52,
"text": "A thread in C# at any point of time exists in any one of the following states. A thread lies only in one of the shown states at any instant:"
},
{
"code": null,
"... |
Check whether the vowels in a string are in alphabetical order or not in Python | Suppose we have a string s. We have to check whether the vowels present in s are in alphabetical order or not.
So, if the input is like s = "helloyou", then the output will be True as vowels are e, o, o, u all are in alphabetical order.
To solve this, we will follow these steps −
character := character whose ASCII is 6... | [
{
"code": null,
"e": 1173,
"s": 1062,
"text": "Suppose we have a string s. We have to check whether the vowels present in s are in alphabetical order or not."
},
{
"code": null,
"e": 1299,
"s": 1173,
"text": "So, if the input is like s = \"helloyou\", then the output will be True... |
Amazon Interview Experience - GeeksforGeeks | 20 Aug, 2021
Round 1(Coding on Hacker Rank platform):
Given an array of Strings, Each string has an id and version associated with it. string with alphabetic versions are the older versions and the string with numerical versions are the new version. We need to line up the strings for renovation such that older version ... | [
{
"code": null,
"e": 25052,
"s": 25024,
"text": "\n20 Aug, 2021"
},
{
"code": null,
"e": 25093,
"s": 25052,
"text": "Round 1(Coding on Hacker Rank platform):"
},
{
"code": null,
"e": 26129,
"s": 25093,
"text": "Given an array of Strings, Each string has an id ... |
How to Handle Privileges in PostgreSQL | by Shengyu Huang | Towards Data Science | I used to downplay the importance of handling privileges for internal tools or at least misunderstand the intention of it. The use case I will talk about here is a database cluster where the users are the researchers in a research group. Since it is a small group, essentially everyone has the right to read and modify t... | [
{
"code": null,
"e": 633,
"s": 172,
"text": "I used to downplay the importance of handling privileges for internal tools or at least misunderstand the intention of it. The use case I will talk about here is a database cluster where the users are the researchers in a research group. Since it is a sma... |
Upsampling with SMOTE for Classification Projects | by Jonathan Keller | Towards Data Science | Do you ever think to yourself: “There’s not enough bad wine in the world.”?
Really? Just me? Alright, I probably should explain. I was recently working with a wine dataset on a classification problem. Basically I had values for the chemical composition of the wine and average user ratings, ostensibly on a rating scale ... | [
{
"code": null,
"e": 123,
"s": 47,
"text": "Do you ever think to yourself: “There’s not enough bad wine in the world.”?"
},
{
"code": null,
"e": 403,
"s": 123,
"text": "Really? Just me? Alright, I probably should explain. I was recently working with a wine dataset on a classifica... |
Convert day of year to day of month in Java | Firstly, set the day of year using DAY_OF_YEAR constant.
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 2018);
cal.set(Calendar.DAY_OF_YEAR, 320);
Now, get the day of month −
int res = cal.get(Calendar.DAY_OF_MONTH);
The following is an example −
Live Demo
import java.util.Calendar;
public class Demo {
... | [
{
"code": null,
"e": 1119,
"s": 1062,
"text": "Firstly, set the day of year using DAY_OF_YEAR constant."
},
{
"code": null,
"e": 1224,
"s": 1119,
"text": "Calendar cal = Calendar.getInstance();\ncal.set(Calendar.YEAR, 2018);\ncal.set(Calendar.DAY_OF_YEAR, 320);"
},
{
"cod... |
How to remove white spaces only beginning/end of a string using PHP ? - GeeksforGeeks | 02 Jun, 2020
We have given a string and the task is to remove white space only from beginning of a string or end from a string str in PHP. In order to do this task, we have the following methods in PHP:
Method 1: Using ltrim() Method: The ltrim() method is used to strip whitespace only from the beginning of a string.
S... | [
{
"code": null,
"e": 31015,
"s": 30987,
"text": "\n02 Jun, 2020"
},
{
"code": null,
"e": 31205,
"s": 31015,
"text": "We have given a string and the task is to remove white space only from beginning of a string or end from a string str in PHP. In order to do this task, we have the... |
IMS DB - Data Manipulation | The different data manipulation methods used in IMS DL/I calls are as follows −
ISRT Call
Get Hold Calls
REPL Call
DLET Call
Let us consider the following IMS database structure to understand the data manipulation function calls −
Points to note −
ISRT call is known as Insert call which is used to add segment occurrenc... | [
{
"code": null,
"e": 2026,
"s": 1946,
"text": "The different data manipulation methods used in IMS DL/I calls are as follows −"
},
{
"code": null,
"e": 2036,
"s": 2026,
"text": "ISRT Call"
},
{
"code": null,
"e": 2051,
"s": 2036,
"text": "Get Hold Calls"
},
... |
Python Tricks: Simplifying If Statements & Boolean Evaluation | by Louis Chan | Towards Data Science | Welcome to a series of short posts each with handy Python tricks that can help you become a better Python programmer. In this blog, we will look into boolean evaluation.
Let’s say we have a variable x and we would like to do something if a certain condition is met. A basic approach would be as follows:
if x == conditio... | [
{
"code": null,
"e": 341,
"s": 171,
"text": "Welcome to a series of short posts each with handy Python tricks that can help you become a better Python programmer. In this blog, we will look into boolean evaluation."
},
{
"code": null,
"e": 475,
"s": 341,
"text": "Let’s say we hav... |
What is the use of static constructors in C#? | A static constructor is used to initialize any static data, or to perform a particular
action that needs to be performed once only. It is called automatically before the first
instance is created or any static members are referenced.
Static constructors are useful when creating wrapper classes for unmanaged code,
when ... | [
{
"code": null,
"e": 1296,
"s": 1062,
"text": "A static constructor is used to initialize any static data, or to perform a particular\naction that needs to be performed once only. It is called automatically before the first\ninstance is created or any static members are referenced."
},
{
"co... |
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