title stringlengths 3 221 | text stringlengths 17 477k | parsed listlengths 0 3.17k |
|---|---|---|
CodeIgniter - Basic Concepts | A controller is a simple class file. As the name suggests, it controls the whole application by URI.
First, go to application/controllers folder. You will find two files there, index.html and Welcome.php. These files come with the CodeIgniter.
Keep these files as they are. Create a new file under the same path named “T... | [
{
"code": null,
"e": 2420,
"s": 2319,
"text": "A controller is a simple class file. As the name suggests, it controls the whole application by URI."
},
{
"code": null,
"e": 2563,
"s": 2420,
"text": "First, go to application/controllers folder. You will find two files there, index... |
BigInteger add() Method in Java with Examples - GeeksforGeeks | 04 Apr, 2019
The java.math.BigInteger.add(BigInteger val) is used to calculate the Arithmetic sum of two BigIntegers. This method is used to find arithmetic addition of large numbers of range much greater than the range of biggest data type double of java without compromising with the precision of the result. This meth... | [
{
"code": null,
"e": 24406,
"s": 24378,
"text": "\n04 Apr, 2019"
},
{
"code": null,
"e": 24837,
"s": 24406,
"text": "The java.math.BigInteger.add(BigInteger val) is used to calculate the Arithmetic sum of two BigIntegers. This method is used to find arithmetic addition of large n... |
How to tell ReactJS to build project in Production mode ? - GeeksforGeeks | 30 Aug, 2021
In development mode, React includes many warnings to help in finding problems before they lead to bugs. Doing so, it increases the bundle size and makes the app run slower. The slowdown may be accepted while working on the app locally but we cannot afford this in deployment.
In development mode React, inte... | [
{
"code": null,
"e": 24826,
"s": 24798,
"text": "\n30 Aug, 2021"
},
{
"code": null,
"e": 25102,
"s": 24826,
"text": "In development mode, React includes many warnings to help in finding problems before they lead to bugs. Doing so, it increases the bundle size and makes the app ru... |
CSS - Layers | CSS gives you opportunity to create layers of various divisions. The CSS layers refer to applying the z-index property to elements that overlap with each other.
The z-index property is used along with the position property to create an effect of layers. You can specify which element should come on top and which element... | [
{
"code": null,
"e": 2787,
"s": 2626,
"text": "CSS gives you opportunity to create layers of various divisions. The CSS layers refer to applying the z-index property to elements that overlap with each other."
},
{
"code": null,
"e": 2970,
"s": 2787,
"text": "The z-index property ... |
PHP | MySQL UPDATE Query - GeeksforGeeks | 01 Aug, 2021
The MySQL UPDATE query is used to update existing records in a table in a MySQL database.
It can be used to update one or more field at the same time.
It can be used to specify any condition using the WHERE clause.Syntax :The basic syntax of the Update Query is –Implementation of Where Update Query :Let us... | [
{
"code": null,
"e": 24345,
"s": 24317,
"text": "\n01 Aug, 2021"
},
{
"code": null,
"e": 24435,
"s": 24345,
"text": "The MySQL UPDATE query is used to update existing records in a table in a MySQL database."
},
{
"code": null,
"e": 24496,
"s": 24435,
"text": "... |
Count of subsequences in an array with sum less than or equal to X - GeeksforGeeks | 09 Nov, 2021
Given an integer array arr[] of size N and an integer X, the task is to count the number of subsequences in that array such that its sum is less than or equal to X. Note: 1 <= N <= 1000 and 1 <= X <= 1000, where N is the size of the array.
Examples:
Input : arr[] = {84, 87, 73}, X = 100 Output : 3 Explan... | [
{
"code": null,
"e": 25360,
"s": 25332,
"text": "\n09 Nov, 2021"
},
{
"code": null,
"e": 25600,
"s": 25360,
"text": "Given an integer array arr[] of size N and an integer X, the task is to count the number of subsequences in that array such that its sum is less than or equal to X... |
The k-prototype as Clustering Algorithm for Mixed Data Type (Categorical and Numerical) | by Audhi Aprilliant | Towards Data Science | One of the conventional clustering methods commonly used in clustering techniques and efficiently used for large data is the K-Means algorithm. However, its method is not good and suitable for data that contains categorical variables. This problem happens when the cost function in K-Means is calculated using the Euclid... | [
{
"code": null,
"e": 626,
"s": 172,
"text": "One of the conventional clustering methods commonly used in clustering techniques and efficiently used for large data is the K-Means algorithm. However, its method is not good and suitable for data that contains categorical variables. This problem happens... |
How to Properly Use the GPU within a Docker Container | by Jacob Solawetz | Towards Data Science | Configuring the GPU on your machine can be immensely difficult. The configuration steps change based on your machine’s operating system and the kind of NVIDIA GPU that your machine has. To add another layer of difficulty, when Docker starts a container — it starts from almost scratch. Certain things like the CPU driver... | [
{
"code": null,
"e": 681,
"s": 172,
"text": "Configuring the GPU on your machine can be immensely difficult. The configuration steps change based on your machine’s operating system and the kind of NVIDIA GPU that your machine has. To add another layer of difficulty, when Docker starts a container — ... |
How to replace rows in a MySQL table with conditions? | To set conditions and replace rows, use MySQL CASE statement. Let us first create a table −
mysql> create table DemoTable1481
-> (
-> PlayerScore int
-> );
Query OK, 0 rows affected (0.42 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1481 values(454);
Query OK, 1 row ... | [
{
"code": null,
"e": 1154,
"s": 1062,
"text": "To set conditions and replace rows, use MySQL CASE statement. Let us first create a table −"
},
{
"code": null,
"e": 1264,
"s": 1154,
"text": "mysql> create table DemoTable1481\n -> (\n -> PlayerScore int\n -> );\nQuery OK, 0 r... |
How to get synonyms/antonyms from NLTK WordNet in Python | The WordNet is a part of Python's Natural Language Toolkit. It is a large word database of English Nouns, Adjectives, Adverbs and Verbs. These are grouped into some set of cognitive synonyms, which are called synsets.
To use the Wordnet, at first we have to install the NLTK module, then download the WordNet package.
$ ... | [
{
"code": null,
"e": 1280,
"s": 1062,
"text": "The WordNet is a part of Python's Natural Language Toolkit. It is a large word database of English Nouns, Adjectives, Adverbs and Verbs. These are grouped into some set of cognitive synonyms, which are called synsets."
},
{
"code": null,
"e"... |
How to make longer subplot tick marks in Matplotlib? | To make longer subplot tick marks in matplotlib, we can use tick_params() method for minor and major ticks length and width.
Add a subplot to the current figure using subplot() method.
Add a subplot to the current figure using subplot() method.
Plot a range(2) value
Plot a range(2) value
s for x and y data points.
s fo... | [
{
"code": null,
"e": 1187,
"s": 1062,
"text": "To make longer subplot tick marks in matplotlib, we can use tick_params() method for minor and major ticks length and width."
},
{
"code": null,
"e": 1247,
"s": 1187,
"text": "Add a subplot to the current figure using subplot() metho... |
PHP mktime() Function | The mktime function accepts hours, minutes, seconds, month, day, year as parameters (representing a date) and returns the Unix timestamp for the given date. if you haven't passed any parameters to this method, it returns the current timestamp.
mktime($hour, $minute, $second, $month, $day,$ year, $is_dst)
hours(Mandat... | [
{
"code": null,
"e": 3002,
"s": 2757,
"text": "The mktime function accepts hours, minutes, seconds, month, day, year as parameters (representing a date) and returns the Unix timestamp for the given date. if you haven't passed any parameters to this method, it returns the current timestamp. "
},
... |
Progression - Online Quiz | Following quiz provides Multiple Choice Questions (MCQs) related to Progression. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the q... | [
{
"code": null,
"e": 4217,
"s": 3892,
"text": "Following quiz provides Multiple Choice Questions (MCQs) related to Progression. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. ... |
How to reverse the column order of the Pandas DataFrame? | 01 Jun, 2021
Sometimes when working with DataFrames we might want to change or reverse the order of the column of the dataframe. In this article, let’s see how to reverse the order of the columns of a dataframe. This can be achieved in two ways –
Method 1: The sequence of columns appearing in the dataframe can be rever... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n01 Jun, 2021"
},
{
"code": null,
"e": 262,
"s": 28,
"text": "Sometimes when working with DataFrames we might want to change or reverse the order of the column of the dataframe. In this article, let’s see how to reverse the order of the ... |
Mid-Point Circle Drawing Algorithm | 19 Mar, 2022
The mid-point circle drawing algorithm is an algorithm used to determine the points needed for rasterizing a circle.
We use the mid-point algorithm to calculate all the perimeter points of the circle in the first octant and then print them along with their mirror points in the other octants. This will wo... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n19 Mar, 2022"
},
{
"code": null,
"e": 171,
"s": 52,
"text": "The mid-point circle drawing algorithm is an algorithm used to determine the points needed for rasterizing a circle. "
},
{
"code": null,
"e": 410,
"s": 171,... |
How to check if the value is primitive or not in JavaScript ? | 31 Mar, 2021
In this article, we will know how to check if a value of primitive or not.
JavaScript provides six types of primitive values that include Number, String, Boolean, Undefined, Symbol, and BigInt. The size of primitive values is fixed, therefore JavaScript stores the primitive value in the call stack (Executi... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n31 Mar, 2021"
},
{
"code": null,
"e": 103,
"s": 28,
"text": "In this article, we will know how to check if a value of primitive or not."
},
{
"code": null,
"e": 348,
"s": 103,
"text": "JavaScript provides six types o... |
Difference Between byte, short, int and long Datatype in Java | 19 Jan, 2021
There are two types of data types namely primitive datatype/fundamental and non-primitive/derived datatype. The primitive data type is defined as local sets or default set of datatype already present while deriving a datatype or creating a set of datatype using them are known as derived data types such as ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n19 Jan, 2021"
},
{
"code": null,
"e": 466,
"s": 28,
"text": "There are two types of data types namely primitive datatype/fundamental and non-primitive/derived datatype. The primitive data type is defined as local sets or default set of ... |
Select an element or sub array by index from a Numpy Array | 29 Aug, 2020
The elements of a NumPy array are indexed just like normal arrays. The index of the first element will be 0 and the last element will be indexed n-1, where n is the total number of elements.
Each element of these ndarrays can be accessed using its index number.
Example: The following code shows how to acce... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Aug, 2020"
},
{
"code": null,
"e": 219,
"s": 28,
"text": "The elements of a NumPy array are indexed just like normal arrays. The index of the first element will be 0 and the last element will be indexed n-1, where n is the total numb... |
get_object_or_404 method in Django Models | 29 Jun, 2021
Some functions are hard as well as boring to code each and every time. But Django users don’t have to worry about that because Django has some awesome built-in functions to make our work easy and enjoyable. Let’s discuss get_object_or_404() here.
This function calls the given model and get object from that... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Jun, 2021"
},
{
"code": null,
"e": 275,
"s": 28,
"text": "Some functions are hard as well as boring to code each and every time. But Django users don’t have to worry about that because Django has some awesome built-in functions to ma... |
PHP Date and Time | 02 Dec, 2021
In this article, we will see how to get the date & time using the date() & time() function in PHP, we will also see the various formatting options available with these functions & understand their implementation through the examples.
Date and time are some of the most frequently used operations in PHP whil... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n02 Dec, 2021"
},
{
"code": null,
"e": 262,
"s": 28,
"text": "In this article, we will see how to get the date & time using the date() & time() function in PHP, we will also see the various formatting options available with these functio... |
How to merge multiple DataFrames in R ? | 30 Apr, 2021
In this article, we will discuss how to merge multiple dataframes in R Programming Language. Dataframes can be merged both row and column wise, we can merge the columns by using cbind() function and rows by using rbind() function
cbind() is used to combine the dataframes by columns.
Syntax:
cbind(data1,dat... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Apr, 2021"
},
{
"code": null,
"e": 258,
"s": 28,
"text": "In this article, we will discuss how to merge multiple dataframes in R Programming Language. Dataframes can be merged both row and column wise, we can merge the columns by usi... |
What is the meaning of spread operator (...) in Reactjs? | 23 Dec, 2020
The three dots syntax (...) is part of ES6 and not React itself and it’s used by two operators i.e. the Spread and Rest operators. The Spread operator lets you expand an iterable like an object, string, or array into its elements while the Rest operator does the inverse by reducing a set of elements into o... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n23 Dec, 2020"
},
{
"code": null,
"e": 371,
"s": 54,
"text": "The three dots syntax (...) is part of ES6 and not React itself and it’s used by two operators i.e. the Spread and Rest operators. The Spread operator lets you expand an iter... |
Connell Sequence | Practice | GeeksforGeeks | Connell Sequence is the sequence formed with the first odd number, i.e 1 as its first term. The subsequent terms of the sequence are made up of the first two even numbers, i.e 2 and 4, followed by the next three odd numbers, i.e 5, 7 and 9, followed by the next four even numbers, i.e 10, 12, 14 and 16 and so on ....
G... | [
{
"code": null,
"e": 629,
"s": 238,
"text": "Connell Sequence is the sequence formed with the first odd number, i.e 1 as its first term. The subsequent terms of the sequence are made up of the first two even numbers, i.e 2 and 4, followed by the next three odd numbers, i.e 5, 7 and 9, followed by th... |
Ceil The Floor | Practice | GeeksforGeeks | Given an unsorted array Arr[] of N integers and an integer X, find floor and ceiling of X in Arr[0..N-1].
Floor of X is the largest element which is smaller than or equal to X. Floor of X doesn’t exist if X is smaller than smallest element of Arr[].
Ceil of X is the smallest element which is greater than or equal to X.... | [
{
"code": null,
"e": 332,
"s": 226,
"text": "Given an unsorted array Arr[] of N integers and an integer X, find floor and ceiling of X in Arr[0..N-1]."
},
{
"code": null,
"e": 476,
"s": 332,
"text": "Floor of X is the largest element which is smaller than or equal to X. Floor of ... |
Practical Pandas: Synthetic Store Sales Analysis | by Soner Yıldırım | Towards Data Science | I’m skipping the part where I mention the great features and dominance of Pandas in the field of data science.
This post is more like a practical guide that demonstrates how Pandas can be used in data analysis. I will also try to provide a semi-structured approach to a data analysis task.
I call it “synthetic” because ... | [
{
"code": null,
"e": 283,
"s": 172,
"text": "I’m skipping the part where I mention the great features and dominance of Pandas in the field of data science."
},
{
"code": null,
"e": 462,
"s": 283,
"text": "This post is more like a practical guide that demonstrates how Pandas can b... |
Code in Java, Execute as C++.. How To Call Java Method From C++ Using... | by Dwi Prasetyo Adi Nugroho | Towards Data Science | Java and C++ remain two of the most popular programming languages. The two languages have different designs and characteristics. Depending on the problem, one might work better than the other. However, at some point, we need to integrate these languages, e.g. calling a method written in Java to your C++ code. The need ... | [
{
"code": null,
"e": 648,
"s": 171,
"text": "Java and C++ remain two of the most popular programming languages. The two languages have different designs and characteristics. Depending on the problem, one might work better than the other. However, at some point, we need to integrate these languages, ... |
Bayesian Optimization: A step by step approach | by Avishek Nag | Towards Data Science | Optimizing a function is super important in many of the real life analytics use cases. By optimization we mean, either find an maximum or minimum of the target function with a certain set of parameter combination. Finding out that min or max value as well as the parameters should be the objective. In this article, we w... | [
{
"code": null,
"e": 582,
"s": 172,
"text": "Optimizing a function is super important in many of the real life analytics use cases. By optimization we mean, either find an maximum or minimum of the target function with a certain set of parameter combination. Finding out that min or max value as well... |
C++ default constructor | A class constructor is a special member function of a class that is executed whenever we create new objects of that class.
A constructor will have exact same name as the class and it does not have any return type at all, not even void. Constructors can be very useful for setting initial values for certain member variab... | [
{
"code": null,
"e": 1185,
"s": 1062,
"text": "A class constructor is a special member function of a class that is executed whenever we create new objects of that class."
},
{
"code": null,
"e": 1387,
"s": 1185,
"text": "A constructor will have exact same name as the class and it... |
Creating Golden Ratio Calculator using PyQt5 - GeeksforGeeks | 10 Jul, 2020
In this article we will see how we can create a golden ratio calculator using PyQt5. In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. The value of golden ratio is 1.61803398875. Below is how the golden ratio cal... | [
{
"code": null,
"e": 24292,
"s": 24264,
"text": "\n10 Jul, 2020"
},
{
"code": null,
"e": 24622,
"s": 24292,
"text": "In this article we will see how we can create a golden ratio calculator using PyQt5. In mathematics, two quantities are in the golden ratio if their ratio is the s... |
Destructors in C++ - GeeksforGeeks | 09 Sep, 2021
What is a destructor? Destructor is an instance member function which is invoked automatically whenever an object is going to be destroyed. Meaning, a destructor is the last function that is going to be called before an object is destroyed.
The thing is to be noted here, if the object is created by using n... | [
{
"code": null,
"e": 26960,
"s": 26932,
"text": "\n09 Sep, 2021"
},
{
"code": null,
"e": 27201,
"s": 26960,
"text": "What is a destructor? Destructor is an instance member function which is invoked automatically whenever an object is going to be destroyed. Meaning, a destructor i... |
How many ways to call garbage collector (GC) in Java?
| The garbage collection in Java is carried by a daemon thread called Garbage Collector(GC). Instead of waiting until JVM to run a garbage collector we can request JVM to run the garbage collector. There is no guarantee whether the JVM will accept our request or not.
In Java, we can call the garbage collector manually in... | [
{
"code": null,
"e": 1328,
"s": 1062,
"text": "The garbage collection in Java is carried by a daemon thread called Garbage Collector(GC). Instead of waiting until JVM to run a garbage collector we can request JVM to run the garbage collector. There is no guarantee whether the JVM will accept our req... |
Thirty Fast Text Pre-Processing Code and Benchmarks For Natural Language Processing | by Bruce H. Cottman, Ph.D. | Towards Data Science | Estimates state that 70%–85% of the world’s data is text (unstructured data) [1]. As a result, new deep learning language models (transformers) have caused explosive growth in industry applications [5,6.11].
This blog is not an article introducing you to Natural Language Processing. Instead, it assumes you are familiar... | [
{
"code": null,
"e": 380,
"s": 172,
"text": "Estimates state that 70%–85% of the world’s data is text (unstructured data) [1]. As a result, new deep learning language models (transformers) have caused explosive growth in industry applications [5,6.11]."
},
{
"code": null,
"e": 619,
"... |
Matrix Chain Multiplication (A O(N^3) Solution) in C++ | If a chain of matrices is given, we have to find minimum number of correct sequence of matrices to multiply.
We know that the matrix multiplication is associative, so four matrices ABCD, we can multiply A(BCD), (AB)(CD), (ABC)D, A(BC)D, in these sequences. Like these sequences, our task is to find which ordering is eff... | [
{
"code": null,
"e": 1171,
"s": 1062,
"text": "If a chain of matrices is given, we have to find minimum number of correct sequence of matrices to multiply."
},
{
"code": null,
"e": 1402,
"s": 1171,
"text": "We know that the matrix multiplication is associative, so four matrices A... |
LEFT/RIGHT in 5 languages (VBA/SQL/PYTHON/M query/DAX powerBI) | by Aymen | Towards Data Science | Excel is a powerful spreadsheet used by most people working in data analysis. The increase of volume of data and development user-friendly tools is an opportunity of improvement of Excel reports by mixing them with another tool or language.
As working for a financial reporting department I faced the need to boost our r... | [
{
"code": null,
"e": 288,
"s": 47,
"text": "Excel is a powerful spreadsheet used by most people working in data analysis. The increase of volume of data and development user-friendly tools is an opportunity of improvement of Excel reports by mixing them with another tool or language."
},
{
"... |
Armstrong Numbers | Practice | GeeksforGeeks | For a given 3 digit number, find whether it is armstrong number or not. An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Return "Yes" if it is a armstrong number else return "No".
NOTE: 371 is an Armstrong number since 33 + 73 + 13 = 371
Exam... | [
{
"code": null,
"e": 565,
"s": 238,
"text": "For a given 3 digit number, find whether it is armstrong number or not. An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Return \"Yes\" if it is a armstrong number else return \"... |
Learning Process of a Deep Neural Network | by Jordi TORRES.AI | Towards Data Science | This is the updated version of the fifth post (post 3, post 4) in the series that I wrote two years ago. In it I will present an intuitive vision of the main components of the learning process of a neural network using as a example Keras, that has become the TensorFlow's high-level API for building and training deep le... | [
{
"code": null,
"e": 507,
"s": 172,
"text": "This is the updated version of the fifth post (post 3, post 4) in the series that I wrote two years ago. In it I will present an intuitive vision of the main components of the learning process of a neural network using as a example Keras, that has become ... |
Tryit Editor v3.7 | CSS Grid Item
Tryit: A five items grid layout | [
{
"code": null,
"e": 23,
"s": 9,
"text": "CSS Grid Item"
}
] |
Scraping Reddit with PRAW. Recently I was trying to get started on... | by McGuckian Shane | Towards Data Science | Recently I was trying to get started on a project that would use Natural Language Processing to classify which subreddit a given post came from. For instance, this model should be able to predict whether or not a post came from the r/Python subreddit or the r/Rlanguage subreddit. The first step in this process was to c... | [
{
"code": null,
"e": 814,
"s": 172,
"text": "Recently I was trying to get started on a project that would use Natural Language Processing to classify which subreddit a given post came from. For instance, this model should be able to predict whether or not a post came from the r/Python subreddit or t... |
C Program to check the type of character entered | Write a program to find out that a given character is upper case, lower case, number or special character.
If an entered character is capital letter then, it displays the upper case.
Example: Input =H
Output: upper case letter
If an entered character is small letter then, it displays the lower case letter.
Example: Inp... | [
{
"code": null,
"e": 1169,
"s": 1062,
"text": "Write a program to find out that a given character is upper case, lower case, number or special character."
},
{
"code": null,
"e": 1245,
"s": 1169,
"text": "If an entered character is capital letter then, it displays the upper case.... |
How to get days, months and years between two Java LocalDate? | Set the two Java dates:
LocalDate date1 = LocalDate.of(2019, 3, 25);
LocalDate date2 = LocalDate.of(2019, 4, 29);
Now, get the difference between two dates with Period class between() method:
Period p = Period.between(date1, date2);
Now, get the years, month and days:
p.getYears()
p.getMonths()
p.getDays()
import java.... | [
{
"code": null,
"e": 1086,
"s": 1062,
"text": "Set the two Java dates:"
},
{
"code": null,
"e": 1176,
"s": 1086,
"text": "LocalDate date1 = LocalDate.of(2019, 3, 25);\nLocalDate date2 = LocalDate.of(2019, 4, 29);"
},
{
"code": null,
"e": 1254,
"s": 1176,
"text... |
Deleting records in MySQL using Nodejs | After insertion, we need to delete records as well. The records should can be deleted based upon an identifier from the database table. You can delete records from table using "DELETE FROM" statement.
We can delete the records from MySql DB in two ways −
Static Deletion - In this type of deletion, we give a prefixed fi... | [
{
"code": null,
"e": 1263,
"s": 1062,
"text": "After insertion, we need to delete records as well. The records should can be deleted based upon an identifier from the database table. You can delete records from table using \"DELETE FROM\" statement."
},
{
"code": null,
"e": 1317,
"s"... |
XSLT <key> | <xsl:key> tag element specifies a named name-value pair assigned to a specific element in an XML document. This key is used with the key() function in XPath expressions to access the assigned elements in an XML document.
Following is the syntax declaration of <xsl:key> element.
<xsl:key
name = QName
match = Pat... | [
{
"code": null,
"e": 1980,
"s": 1759,
"text": "<xsl:key> tag element specifies a named name-value pair assigned to a specific element in an XML document. This key is used with the key() function in XPath expressions to access the assigned elements in an XML document."
},
{
"code": null,
... |
What is the Java equivalent to MySQL's smallint? | The short is equivalent to MySQL’s small int. The Java short takes 2 bytes that has the range -32768 to 32767 while MySQL smallint also take 2 bytes with same range.
Here is the demo code of short in Java −
public class SmallIntAsShortDemo {
public static void main(String[] args) {
short value = 32767;
S... | [
{
"code": null,
"e": 1228,
"s": 1062,
"text": "The short is equivalent to MySQL’s small int. The Java short takes 2 bytes that has the range -32768 to 32767 while MySQL smallint also take 2 bytes with same range."
},
{
"code": null,
"e": 1269,
"s": 1228,
"text": "Here is the demo... |
How can I convert a Python Named tuple to a dictionary? | Namedtuple class is defined in the collections module. It returns a new tuple subclass. The new subclass is used to create tuple-like objects that have fields accessible by attribute lookup as well as being indexable and iterable. The constructor takes type name and field list as arguments. For example, a student named... | [
{
"code": null,
"e": 1413,
"s": 1062,
"text": "Namedtuple class is defined in the collections module. It returns a new tuple subclass. The new subclass is used to create tuple-like objects that have fields accessible by attribute lookup as well as being indexable and iterable. The constructor takes ... |
Apache Storm in Twitter | Here in this chapter, we will discuss a real-time application of Apache Storm. We will see how Storm is used in Twitter.
Twitter is an online social networking service that provides a platform to send and receive user tweets. Registered users can read and post tweets, but unregistered users can only read tweets. Hashta... | [
{
"code": null,
"e": 2048,
"s": 1927,
"text": "Here in this chapter, we will discuss a real-time application of Apache Storm. We will see how Storm is used in Twitter."
},
{
"code": null,
"e": 2414,
"s": 2048,
"text": "Twitter is an online social networking service that provides ... |
Java Program to Calculate Standard Deviation - GeeksforGeeks | 27 Nov, 2020
The standard deviation is the measure of how spread out numbers are. Its symbol is sigma( σ ). It is the square root of variance. The task is to calculate the standard deviation of some numbers.
Consider an example that consists of 6 numbers and then to calculate the standard deviation, first we need to c... | [
{
"code": null,
"e": 23557,
"s": 23529,
"text": "\n27 Nov, 2020"
},
{
"code": null,
"e": 23753,
"s": 23557,
"text": "The standard deviation is the measure of how spread out numbers are. Its symbol is sigma( σ ). It is the square root of variance. The task is to calculate the stan... |
Check if suffix and prefix of a string are palindromes - GeeksforGeeks | 26 May, 2021
Given a string ‘s’, the task is to check whether the string has both prefix and suffix substrings of length greater than 1 which are palindromes. Print ‘YES’ if the above condition is satisfied or ‘NO’ otherwise.Examples:
Input : s = abartbb
Output : YES
Explanation : The string has prefix substring 'aba... | [
{
"code": null,
"e": 24437,
"s": 24409,
"text": "\n26 May, 2021"
},
{
"code": null,
"e": 24661,
"s": 24437,
"text": "Given a string ‘s’, the task is to check whether the string has both prefix and suffix substrings of length greater than 1 which are palindromes. Print ‘YES’ if th... |
How to clear Text widget content while clicking on the Entry widget itself in Tkinter? | Tkinter Text widget is an Input widget that supports multiline user input. It is also known as Text Editor which allows users to write the content and data in it. The content of the text widget can be cleared by defining the delete(0, END) command. Similarly, we can clear the content by clicking the Entry widget itself... | [
{
"code": null,
"e": 1449,
"s": 1062,
"text": "Tkinter Text widget is an Input widget that supports multiline user input. It is also known as Text Editor which allows users to write the content and data in it. The content of the text widget can be cleared by defining the delete(0, END) command. Simi... |
Sum of XOR of sum of all pairs in an array in C++ | In this problem, we are given an array arr[] of size n. Our task is to create a program to find the sum of XOR of sum of all pairs in an array.
Let’s see an example to understand the problem,
Input: arr[5, 7, 9]
Output: 22
Explanation:
(5+5) ^ (5+7) ^ (5+9) ^ (7+5) ^ (7+7) ^ (7+9) ^ (9+5) ^ (9+7) ^ (9+9) = 22
A simpl... | [
{
"code": null,
"e": 1206,
"s": 1062,
"text": "In this problem, we are given an array arr[] of size n. Our task is to create a program to find the sum of XOR of sum of all pairs in an array."
},
{
"code": null,
"e": 1255,
"s": 1206,
"text": "Let’s see an example to understand the... |
ML From Scratch: Logistic and Softmax Regression | by Luke Newman | Towards Data Science | In this ML From Scratch series we create a library of machine learning algorithms in a similar style to Scikit-Learn’s using object-oriented programming. This means you can pip install the library and play around with all the available models in a style you are already familiar with.
If you have never implemented any l... | [
{
"code": null,
"e": 457,
"s": 172,
"text": "In this ML From Scratch series we create a library of machine learning algorithms in a similar style to Scikit-Learn’s using object-oriented programming. This means you can pip install the library and play around with all the available models in a style y... |
What are the differences between protected and default access specifiers in Java? | The Protected access specifier is visible within the same package and also visible in the subclass whereas the Default is a package level access specifier and it can be visible in the same package.
Protected will acts as public within the same package and acts as private outside the package.
Protected will also act as ... | [
{
"code": null,
"e": 1260,
"s": 1062,
"text": "The Protected access specifier is visible within the same package and also visible in the subclass whereas the Default is a package level access specifier and it can be visible in the same package."
},
{
"code": null,
"e": 1355,
"s": 126... |
Difference between Static and Dynamic Testing - GeeksforGeeks | 27 Feb, 2020
Static Testing:Static Testing is a type of a Software Testing method which is performed to check the defects in software without actually executing the code of the software application.
Static testing is performed in early stage of development to avoid errors as it is easier to find sources of failures and... | [
{
"code": null,
"e": 24627,
"s": 24599,
"text": "\n27 Feb, 2020"
},
{
"code": null,
"e": 24813,
"s": 24627,
"text": "Static Testing:Static Testing is a type of a Software Testing method which is performed to check the defects in software without actually executing the code of the... |
DAX Date & Time - TIMEVALUE function | Converts time in text format to time in datetime format.
TIMEVALUE (<time_text>)
time_text
A text string that represents a certain time of the day.
Any date information included in the time_text parameter is ignored.
A date in datetime format.
When the time_text parameter is a text representation of the date and time... | [
{
"code": null,
"e": 2058,
"s": 2001,
"text": "Converts time in text format to time in datetime format."
},
{
"code": null,
"e": 2084,
"s": 2058,
"text": "TIMEVALUE (<time_text>) \n"
},
{
"code": null,
"e": 2094,
"s": 2084,
"text": "time_text"
},
{
"co... |
Python Functions - GeeksforGeeks | 18 Jan, 2021
chr(ord('A'))
Writing code in comment? Please use ide.geeksforgeeks.org, generate link and share the link here.
Comments
Old Comments
Must Do Coding Questions for Product Based Companies
How to set background images in ReactJS ?
Microsoft Interview Experience for Internship (Via Engage)
Difference between... | [
{
"code": null,
"e": 27610,
"s": 27582,
"text": "\n18 Jan, 2021"
},
{
"code": null,
"e": 27625,
"s": 27610,
"text": "chr(ord('A'))\n"
},
{
"code": null,
"e": 27723,
"s": 27625,
"text": "Writing code in comment? Please use ide.geeksforgeeks.org, generate link a... |
How to load external website into an <iframe> using jQuery? | To load an external HTML into <iframe> using jQuery, use the attr() method. In that set the source for iframe. You can try to run the following code to learn how to locate external HTML −
Live Demo
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<sc... | [
{
"code": null,
"e": 1250,
"s": 1062,
"text": "To load an external HTML into <iframe> using jQuery, use the attr() method. In that set the source for iframe. You can try to run the following code to learn how to locate external HTML −"
},
{
"code": null,
"e": 1260,
"s": 1250,
"te... |
Spring MVC - Generate JSON Example | The following example shows how to generate JSON using the Spring Web MVC Framework. To start with, let us have a working Eclipse IDE in place and consider the following steps to develop a Dynamic Form based Web Application using the Spring Web Framework −
package com.tutorialspoint;
public class User {
private Str... | [
{
"code": null,
"e": 3048,
"s": 2791,
"text": "The following example shows how to generate JSON using the Spring Web MVC Framework. To start with, let us have a working Eclipse IDE in place and consider the following steps to develop a Dynamic Form based Web Application using the Spring Web Framewor... |
Java 9 - Quick Guide | JAVA 9 (aka jdk 1.9) is a major release of JAVA programming language development. Its initial version was released on 21 Sep 2017. The main goals of Java 9 release are −
To make JDK and Java Standard Edition platform modular based in the sense that it can be scalled down to small computing devices well.
To make JDK and... | [
{
"code": null,
"e": 2279,
"s": 2109,
"text": "JAVA 9 (aka jdk 1.9) is a major release of JAVA programming language development. Its initial version was released on 21 Sep 2017. The main goals of Java 9 release are −"
},
{
"code": null,
"e": 2414,
"s": 2279,
"text": "To make JDK ... |
Forecasting with Bayesian Dynamic Generalized Linear Models in Python | by Ryan Clukey | Towards Data Science | Forecasting is critical for nearly all businesses when planning for revenue goals, inventory management, headcount, and other economic considerations essential for managing a successful business. Highly accurate forecasts are often difficult to achieve, but essential to enable businesses plan for shifts and changes in ... | [
{
"code": null,
"e": 979,
"s": 172,
"text": "Forecasting is critical for nearly all businesses when planning for revenue goals, inventory management, headcount, and other economic considerations essential for managing a successful business. Highly accurate forecasts are often difficult to achieve, b... |
How to decorate list bullets in arrow using CSS ? - GeeksforGeeks | 22 Apr, 2020
Given a list of items and the task is to customize the bullet style of the list and replace it with the arrow.
Method 1: By Unicode Character
First, we will turn off the default bullet style of the list.
Then We will insert Unicode of the arrow character in the content property in the “li::before” selector... | [
{
"code": null,
"e": 23968,
"s": 23940,
"text": "\n22 Apr, 2020"
},
{
"code": null,
"e": 24079,
"s": 23968,
"text": "Given a list of items and the task is to customize the bullet style of the list and replace it with the arrow."
},
{
"code": null,
"e": 24110,
"s":... |
Automated Hyper-Parameter Optimization in SageMaker | by Zak Jost | Towards Data Science | Note: The code examples render on my blog much better than on Medium.
So you’ve built your model and are getting sensible results, and are now ready to squeeze out as much performance as possible. One possibility is doing Grid Search, where you try every possible combination of hyper-parameters and choose the best one.... | [
{
"code": null,
"e": 242,
"s": 172,
"text": "Note: The code examples render on my blog much better than on Medium."
},
{
"code": null,
"e": 852,
"s": 242,
"text": "So you’ve built your model and are getting sensible results, and are now ready to squeeze out as much performance as... |
Java Examples - Read a file using Applet | How to read a file using Applet?
Following example demonstrates how to read a file using an Applet using openStream() method of URL.
import java.applet.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class readFileApplet extends Applet {
String fileToRead = "test1.txt";
StringBuffer strBuff;
... | [
{
"code": null,
"e": 2101,
"s": 2068,
"text": "How to read a file using Applet?"
},
{
"code": null,
"e": 2201,
"s": 2101,
"text": "Following example demonstrates how to read a file using an Applet using openStream() method of URL."
},
{
"code": null,
"e": 3332,
"s... |
Triangle with no point inside - GeeksforGeeks | 13 Oct, 2021
Given N points in 2-dimensional space, we need to find three points such that triangle made by choosing these points should not contain any other points inside. All given points will not lie on the same line so solution will always exist. Examples:
In above diagram possible triangle with no point
inside... | [
{
"code": null,
"e": 25102,
"s": 25074,
"text": "\n13 Oct, 2021"
},
{
"code": null,
"e": 25353,
"s": 25102,
"text": "Given N points in 2-dimensional space, we need to find three points such that triangle made by choosing these points should not contain any other points inside. Al... |
Int16.MaxValue Field in C# with Examples - GeeksforGeeks | 08 Apr, 2019
The MaxValue field or property of Int16 Struct is used to represent the maximum value of Int16. The value of this field is constant means that the user cannot change the value of this field. The value of this field is 32767. Its hexadecimal value is 0x7FFF. It is used to avoid the OverflowException while c... | [
{
"code": null,
"e": 25791,
"s": 25763,
"text": "\n08 Apr, 2019"
},
{
"code": null,
"e": 26199,
"s": 25791,
"text": "The MaxValue field or property of Int16 Struct is used to represent the maximum value of Int16. The value of this field is constant means that the user cannot chan... |
How to Create an App in Django ? - GeeksforGeeks | 30 Jan, 2022
Prerequisite – How to Create a Basic Project using MVT in Django?
Django is famous for its unique and fully managed app structure. For every functionality, an app can be created like a completely independent module. This article will take you through how to create a basic app and add functionalities using ... | [
{
"code": null,
"e": 42675,
"s": 42647,
"text": "\n30 Jan, 2022"
},
{
"code": null,
"e": 42741,
"s": 42675,
"text": "Prerequisite – How to Create a Basic Project using MVT in Django?"
},
{
"code": null,
"e": 43193,
"s": 42741,
"text": "Django is famous for its... |
PyQt5 – How to stop resizing of window | setFixedSize() method - GeeksforGeeks | 26 Mar, 2020
In this article, we will see how to stop resizing of the main window. While making a window, we get options like going full screen and using cursor to change its size. By using setFizedSize() method we can prevent the resizing of the image.
Syntax : self.setFixedSize(width, height)
Argument : It takes two ... | [
{
"code": null,
"e": 26217,
"s": 26189,
"text": "\n26 Mar, 2020"
},
{
"code": null,
"e": 26458,
"s": 26217,
"text": "In this article, we will see how to stop resizing of the main window. While making a window, we get options like going full screen and using cursor to change its s... |
ML | Stochastic Gradient Descent (SGD) - GeeksforGeeks | 13 Sep, 2021
What is Gradient Descent? Before explaining Stochastic Gradient Descent (SGD), let’s first describe what Gradient Descent is. Gradient Descent is a popular optimization technique in Machine Learning and Deep Learning, and it can be used with most, if not all, of the learning algorithms. A gradient is the s... | [
{
"code": null,
"e": 25761,
"s": 25733,
"text": "\n13 Sep, 2021"
},
{
"code": null,
"e": 26363,
"s": 25761,
"text": "What is Gradient Descent? Before explaining Stochastic Gradient Descent (SGD), let’s first describe what Gradient Descent is. Gradient Descent is a popular optimiz... |
Python | os._exit() method - GeeksforGeeks | 10 May, 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._exit() method in Python is used to exit the process with specified status without ca... | [
{
"code": null,
"e": 25833,
"s": 25805,
"text": "\n10 May, 2022"
},
{
"code": null,
"e": 26334,
"s": 25833,
"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... |
How to set the Size of the GroupBox in C#? - GeeksforGeeks | 29 Jul, 2019
In Windows form, GroupBox is a container which contains multiple controls in it and the controls are related to each other. Or in other words, GroupBox is a frame display around a group of controls with a suitable optional title. Or a GroupBox is used to categorize the related controls in a group. In Group... | [
{
"code": null,
"e": 25449,
"s": 25421,
"text": "\n29 Jul, 2019"
},
{
"code": null,
"e": 25961,
"s": 25449,
"text": "In Windows form, GroupBox is a container which contains multiple controls in it and the controls are related to each other. Or in other words, GroupBox is a frame ... |
Matplotlib.pyplot.hist() in Python - GeeksforGeeks | 21 Apr, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface.
The hist() function in pyplot module of matplotlib library is used to plot a histogram.
Syntax: matplotlib.pyplo... | [
{
"code": null,
"e": 25927,
"s": 25899,
"text": "\n21 Apr, 2020"
},
{
"code": null,
"e": 26122,
"s": 25927,
"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which pr... |
Attribute Closure Algorithm and its Utilization - GeeksforGeeks | 18 Sep, 2020
Closure of a set F of FDs is the set F+ of all FDs that can be inferred from F. It is also known as complete set of Functional Dependency. It is denoted by F+.
Algorithm : Attribute Closure set
Algorithm to compute a+, the closure of a under F
Result:= a;
while (changes to Result) do
for each B → Y i... | [
{
"code": null,
"e": 25573,
"s": 25545,
"text": "\n18 Sep, 2020"
},
{
"code": null,
"e": 25733,
"s": 25573,
"text": "Closure of a set F of FDs is the set F+ of all FDs that can be inferred from F. It is also known as complete set of Functional Dependency. It is denoted by F+."
... |
Minimization of ER Diagrams - GeeksforGeeks | 04 Mar, 2022
Entity-Relationship (ER) Diagram is a diagrammatic representation of data in databases, it shows how data is related.
Note: This article is for those who already know what is ER diagram and how to draw ER diagram.
1) When there are Many to One cardinalities in the ER diagram. For example, a student can b... | [
{
"code": null,
"e": 30871,
"s": 30843,
"text": "\n04 Mar, 2022"
},
{
"code": null,
"e": 30990,
"s": 30871,
"text": "Entity-Relationship (ER) Diagram is a diagrammatic representation of data in databases, it shows how data is related. "
},
{
"code": null,
"e": 31087,
... |
Python Exception Base Classes | Like other high-level languages, there are some exceptions in python also. When a problem occurs, it raises an exception. There are different kind of exceptions like ZeroDivisionError, AssertionError etc. All exception classes are derived from the BaseException class.
The code can run built in exceptions, or we can als... | [
{
"code": null,
"e": 1331,
"s": 1062,
"text": "Like other high-level languages, there are some exceptions in python also. When a problem occurs, it raises an exception. There are different kind of exceptions like ZeroDivisionError, AssertionError etc. All exception classes are derived from the BaseE... |
Abundant Number - GeeksforGeeks | 24 Jan, 2022
A number n is said to be Abundant Number if sum of all the proper divisors of the number denoted by sum(n) is greater than the value of the number n. And the difference between these two values is called the abundance. Mathematically, if below condition holds the number is said to be Abundant number:
sum(... | [
{
"code": null,
"e": 25072,
"s": 25044,
"text": "\n24 Jan, 2022"
},
{
"code": null,
"e": 25375,
"s": 25072,
"text": "A number n is said to be Abundant Number if sum of all the proper divisors of the number denoted by sum(n) is greater than the value of the number n. And the diffe... |
How to convert binary to Hex by using C language? | Binary numbers are represented in 1’s and 0’s.
Hexadecimal number system with 16 digits is {0,1,2,3.....9, A(10), B(11),......F(15)}
To convert from binary to hex representation, the bit string id is grouped in blocks of 4-bits which are called as nibbles from the least significant side. Each block is replaced by the c... | [
{
"code": null,
"e": 1109,
"s": 1062,
"text": "Binary numbers are represented in 1’s and 0’s."
},
{
"code": null,
"e": 1195,
"s": 1109,
"text": "Hexadecimal number system with 16 digits is {0,1,2,3.....9, A(10), B(11),......F(15)}"
},
{
"code": null,
"e": 1406,
"s... |
Get the summary of dataset in R using Dply - GeeksforGeeks | 23 Aug, 2021
In this article, we will discuss how to get a summary of the dataset in the R programming language using Dplyr package. To get the summary of a dataset summarize() function of this module is used. This function basically gives the summary based on some required action for a group or ungrouped data, which i... | [
{
"code": null,
"e": 25242,
"s": 25214,
"text": "\n23 Aug, 2021"
},
{
"code": null,
"e": 25585,
"s": 25242,
"text": "In this article, we will discuss how to get a summary of the dataset in the R programming language using Dplyr package. To get the summary of a dataset summarize()... |
Can we initialize static variables in a default constructor in Java? | Class/static variables belong to a class, just like instance variables they are declared within a class, outside any method, but, with the static keyword.
They are available to access at the compile time, you can access them before/without instantiating the class, there is only one copy of the static field available th... | [
{
"code": null,
"e": 1217,
"s": 1062,
"text": "Class/static variables belong to a class, just like instance variables they are declared within a class, outside any method, but, with the static keyword."
},
{
"code": null,
"e": 1521,
"s": 1217,
"text": "They are available to acces... |
How can we disable cut, copy and paste functionality of a JTextArea in Java? | A JTextArea is a subclass of the JTextComponent class and it is a multi-line text component to display the text or allow a user to enter the text. A JTextArea can generate a CaretListener interface when we are trying to implement the functionality of the JTextArea. By default, the JTextArea class can support cut, copy ... | [
{
"code": null,
"e": 1692,
"s": 1062,
"text": "A JTextArea is a subclass of the JTextComponent class and it is a multi-line text component to display the text or allow a user to enter the text. A JTextArea can generate a CaretListener interface when we are trying to implement the functionality of th... |
Data Science Project — Marketing Analytics & Data-Driven Solutions | by John Chen (Yueh-Han) | Towards Data Science | “I’m a data analyst, and the Chief Marketing Officer has told me that previous marketing campaigns have not been as effective as they were expected to be. I need to analyze the data set to understand this problem and propose data-driven solutions.”- The context was paraphrased and adjusted from Here.
(Clarification: th... | [
{
"code": null,
"e": 474,
"s": 172,
"text": "“I’m a data analyst, and the Chief Marketing Officer has told me that previous marketing campaigns have not been as effective as they were expected to be. I need to analyze the data set to understand this problem and propose data-driven solutions.”- The c... |
Equation of circle when three points on the circle are given - GeeksforGeeks | 19 Jul, 2021
Given three coordinates that lie on a circle, (x1, y1), (x2, y2), and (x3, y3). The task is to find the equation of the circle and then print the centre and the radius of the circle. Equation of circle in general form is x2 + y2 + 2gx + 2fy + c = 0 and in radius form is (x – h)2 + (y -k)2 = r2, where (h, k... | [
{
"code": null,
"e": 25090,
"s": 25062,
"text": "\n19 Jul, 2021"
},
{
"code": null,
"e": 25459,
"s": 25090,
"text": "Given three coordinates that lie on a circle, (x1, y1), (x2, y2), and (x3, y3). The task is to find the equation of the circle and then print the centre and the ra... |
XAML - Event Handling | The general concept of events in XAML is similar to events in other popular programming languages such as .NET and C++. In XAML, all of the controls expose some events so that they can be subscribed for specific purposes.
Whenever an event takes place, the application will be notified and the program can react to them,... | [
{
"code": null,
"e": 2145,
"s": 1923,
"text": "The general concept of events in XAML is similar to events in other popular programming languages such as .NET and C++. In XAML, all of the controls expose some events so that they can be subscribed for specific purposes."
},
{
"code": null,
... |
How to delete all files and folders from a path in C#? | For deleting all the folders and its respective directories we can make us System.IO namespace available in C#. The DirectoryInfo() class provides the details of all sub directories and file in a directory.
Let us consider a directory Demo having two sub directories and has some files like below.
using System.IO;
names... | [
{
"code": null,
"e": 1269,
"s": 1062,
"text": "For deleting all the folders and its respective directories we can make us System.IO namespace available in C#. The DirectoryInfo() class provides the details of all sub directories and file in a directory."
},
{
"code": null,
"e": 1360,
... |
Computer Networks | Set 6 - GeeksforGeeks | 27 Mar, 2017
Following questions have been asked in GATE CS 2005 exam.
1) An organization has a class B network and wishes to form subnets for 64 departments. The subnet mask would be:(a) 255.255.0.0(b) 255.255.64.0(c) 255.255.128.0(d) 255.255.252.0
Answer (d)The size of network ID is 16 bit in class B networks. So bit... | [
{
"code": null,
"e": 36592,
"s": 36564,
"text": "\n27 Mar, 2017"
},
{
"code": null,
"e": 36650,
"s": 36592,
"text": "Following questions have been asked in GATE CS 2005 exam."
},
{
"code": null,
"e": 36829,
"s": 36650,
"text": "1) An organization has a class B... |
Connecting Python to Oracle, SQL Server, MySQL, and PostgreSQL | by Dario Radečić | Towards Data Science | I’ve also ignored them for a good part of my career, but then I needed to learn SQL and PL/SQL for my daily job. It’s a great skill to have — would even say a must for your CV — but clients wanting data science project delivered in PL/SQL is complete and utter idiotism.
But SQL does not equal to Databases. I love datab... | [
{
"code": null,
"e": 443,
"s": 172,
"text": "I’ve also ignored them for a good part of my career, but then I needed to learn SQL and PL/SQL for my daily job. It’s a great skill to have — would even say a must for your CV — but clients wanting data science project delivered in PL/SQL is complete and ... |
How to set a property having different datatype with a string value using reflection in C#? | Reflection is when managed code can read its own metadata to find assemblies.
Essentially, it allows code to inspect other code within the same system. With
reflection in C#, we can dynamically create an instance of a type and bind that type to
an existing object. Moreover, we can get the type from an existing object a... | [
{
"code": null,
"e": 1548,
"s": 1062,
"text": "Reflection is when managed code can read its own metadata to find assemblies.\nEssentially, it allows code to inspect other code within the same system. With\nreflection in C#, we can dynamically create an instance of a type and bind that type to\nan ex... |
Creating a prompt dialog box using Tkinter? | Dialog Boxes are handy for informing users to perform certain operations. We are already familiar with the dialog boxes and interacted with them many times. In a particular Tkinter application, we can create any type of dialog boxes, such as Message, User Interaction Dialogs, Single Value Entry Dialogs, File chooser, e... | [
{
"code": null,
"e": 1511,
"s": 1062,
"text": "Dialog Boxes are handy for informing users to perform certain operations. We are already familiar with the dialog boxes and interacted with them many times. In a particular Tkinter application, we can create any type of dialog boxes, such as Message, Us... |
Date.getMonth() function in JavaScript | The Date object is a data type built into the JavaScript language. Date objects are created with the new Date( ) as shown below.
Once a Date object is created, a number of methods allow you to operate on it. Most methods simply allow you to get and set the year, month, day, hour, minute, second, and millisecond fields ... | [
{
"code": null,
"e": 1191,
"s": 1062,
"text": "The Date object is a data type built into the JavaScript language. Date objects are created with the new Date( ) as shown below."
},
{
"code": null,
"e": 1454,
"s": 1191,
"text": "Once a Date object is created, a number of methods al... |
Get all the information of a Collection's indexes using PyMongo - GeeksforGeeks | 08 Jun, 2020
Prerequisites: MongoDB Python Basics
This article is about displaying the information of Collection’s indexes using the index_information() function of the PyMongo module.
index_information() returns a dictionary where the keys are index names (as returned by create_index()) and the values are dictionaries... | [
{
"code": null,
"e": 24292,
"s": 24264,
"text": "\n08 Jun, 2020"
},
{
"code": null,
"e": 24329,
"s": 24292,
"text": "Prerequisites: MongoDB Python Basics"
},
{
"code": null,
"e": 24464,
"s": 24329,
"text": "This article is about displaying the information of C... |
Exploratory Data Analysis with Pandas Profiling | by Albert Sanchez Lafuente | Towards Data Science | Pandas profiling is an open source Python module with which we can quickly do an exploratory data analysis with just a few lines of code. Besides, if this is not enough to convince us to use this tool, it also generates interactive reports in web format that can be presented to any person, even if they don’t know progr... | [
{
"code": null,
"e": 499,
"s": 171,
"text": "Pandas profiling is an open source Python module with which we can quickly do an exploratory data analysis with just a few lines of code. Besides, if this is not enough to convince us to use this tool, it also generates interactive reports in web format t... |
GATE | GATE-CS-2016 (Set 2) | Question 11 - GeeksforGeeks | 11 Oct, 2021
Consider the following expressions:(i) false(ii) Q(iii) true(iv) P ∨ Q(v) ¬Q ∨ PThe number of expressions given above that are logically implied by P ∧ (P ⇒ Q) is ______________
[This Question was originally a Fill-in-the-blanks Question](A) 2(B) 3(C) 4(D) 5Answer: (C)Explanation:
This solution is cont... | [
{
"code": null,
"e": 24634,
"s": 24606,
"text": "\n11 Oct, 2021"
},
{
"code": null,
"e": 24812,
"s": 24634,
"text": "Consider the following expressions:(i) false(ii) Q(iii) true(iv) P ∨ Q(v) ¬Q ∨ PThe number of expressions given above that are logically implied by P ∧ (P ⇒ Q) is ... |
Maven - POM | POM stands for Project Object Model. It is fundamental unit of work in Maven. It is an XML file that resides in the base directory of the project as pom.xml.
The POM contains information about the project and various configuration detail used by Maven to build the project(s).
POM also contains the goals and plugins. Wh... | [
{
"code": null,
"e": 2218,
"s": 2060,
"text": "POM stands for Project Object Model. It is fundamental unit of work in Maven. It is an XML file that resides in the base directory of the project as pom.xml."
},
{
"code": null,
"e": 2337,
"s": 2218,
"text": "The POM contains informa... |
Python Program to merge two files into a third file | 29 Dec, 2020
Prerequisite: Reading and writing to a file.
Let the given two files be file1.txt and file2.txt. Our Task is to merge both files into third file say file3.txt. The following are steps to merge.
Open file1.txt and file2.txt in read mode.Open file3.txt in write mode.Read the data from file1 and add it in a s... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Dec, 2020"
},
{
"code": null,
"e": 73,
"s": 28,
"text": "Prerequisite: Reading and writing to a file."
},
{
"code": null,
"e": 222,
"s": 73,
"text": "Let the given two files be file1.txt and file2.txt. Our Task is... |
Python | time.monotonic_ns() method | 11 Oct, 2021
Time module in Python provides various time-related functions. This module comes under Python’s standard utility modules.
time.monotonic_ns() method of time module in Python is used to get the value of a monotonic clock in nanoseconds. This method is similar to time.monotonic() method which returns the mon... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Oct, 2021"
},
{
"code": null,
"e": 150,
"s": 28,
"text": "Time module in Python provides various time-related functions. This module comes under Python’s standard utility modules."
},
{
"code": null,
"e": 433,
"s": 15... |
Coin Change | Practice | GeeksforGeeks | Given a value N, find the number of ways to make change for N cents, if we have infinite supply of each of S = { S1, S2, .. , SM } valued coins.
Example 1:
Input:
n = 4 , m = 3
S[] = {1,2,3}
Output: 4
Explanation: Four Possible ways are:
{1,1,1,1},{1,1,2},{2,2},{1,3}.
Example 2:
Input:
n = 10 , m = 4
S[] ={2,5,3,6}
... | [
{
"code": null,
"e": 384,
"s": 238,
"text": "Given a value N, find the number of ways to make change for N cents, if we have infinite supply of each of S = { S1, S2, .. , SM } valued coins. "
},
{
"code": null,
"e": 396,
"s": 384,
"text": "\nExample 1:"
},
{
"code": null,... |
Svelte | Introduction and Installation | 11 Feb, 2022
Svelte is the new methodology for creating web apps. It can be used in a small part of a code or in an entire single page application. It is a compiler not a framework, which is faster than other JavaScript libraries like ReactJS, AngularJS, VueJS. It is used to create reactive web apps. If any change occu... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Feb, 2022"
},
{
"code": null,
"e": 914,
"s": 28,
"text": "Svelte is the new methodology for creating web apps. It can be used in a small part of a code or in an entire single page application. It is a compiler not a framework, which ... |
GATE | GATE CS 1996 | Question 8 | 21 May, 2020
Which two of the following four regular expressions are equivalent? (ε is the empty string).(i). (00)*(ε+0)(ii). (00)*(iii). 0*(iv). 0(00)*(A) (i) and (ii)(B) (ii) and (iii)(C) (i) and (iii)(D) (iii) and (iv)Answer: (C)Explanation: Here,
(00)*(ε+0)
= (00)*.ε+ (00)*.0
= (00)* + (00)*0
= 0*
It is equal to... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 May, 2020"
},
{
"code": null,
"e": 266,
"s": 28,
"text": "Which two of the following four regular expressions are equivalent? (ε is the empty string).(i). (00)*(ε+0)(ii). (00)*(iii). 0*(iv). 0(00)*(A) (i) and (ii)(B) (ii) and (iii)(C... |
How to Check whether Element Exists in Java ArrayList? | 04 Dec, 2020
Java ArrayList is a resizable array, which can be found in java.util package. We can add or delete elements from an ArrayList whenever we want, unlike a built-in array.
We can check whether an element exists in ArrayList in java in two ways:
Using contains() methodUsing indexOf() method
Using contains() me... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n04 Dec, 2020"
},
{
"code": null,
"e": 197,
"s": 28,
"text": "Java ArrayList is a resizable array, which can be found in java.util package. We can add or delete elements from an ArrayList whenever we want, unlike a built-in array."
},
... |
Weighted Job Scheduling | 23 Mar, 2022
Given N jobs where every job is represented by following three elements of it.
Start TimeFinish TimeProfit or Value Associated (>= 0)
Start Time
Finish Time
Profit or Value Associated (>= 0)
Find the maximum profit subset of jobs such that no two jobs in the subset overlap.
Example:
Input: Number of Jobs... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n23 Mar, 2022"
},
{
"code": null,
"e": 133,
"s": 54,
"text": "Given N jobs where every job is represented by following three elements of it."
},
{
"code": null,
"e": 188,
"s": 133,
"text": "Start TimeFinish TimeProfi... |
Java Program to Find Sum of Array Elements | 13 Jun, 2022
Given an array of integers. Write a Java Program to find the sum of the elements of the array.
Examples:
Input : arr[] = {1, 2, 3}
Output : 6
1 + 2 + 3 = 6
Input : arr[] = {15, 12, 13, 10}
Output : 50
15 + 12 + 13 + 10 = 50
An array is a data structure that contains a group of elements. Typically these el... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n13 Jun, 2022"
},
{
"code": null,
"e": 147,
"s": 52,
"text": "Given an array of integers. Write a Java Program to find the sum of the elements of the array."
},
{
"code": null,
"e": 157,
"s": 147,
"text": "Examples:"... |
GATE | GATE CS 2008 | Question 66 | 05 Apr, 2019
A process executes the following code
for (i = 0; i < n; i++) fork();
The total number of child processes created is(A) n(B) 2n - 1(C) 2n(D) 2(n+1) - 1Answer: (B)Explanation:
F0 // There will be 1 child process created by first fork
/ \
F1 F1 // There will be 2 child pr... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n05 Apr, 2019"
},
{
"code": null,
"e": 91,
"s": 53,
"text": "A process executes the following code"
},
{
"code": null,
"e": 123,
"s": 91,
"text": "for (i = 0; i < n; i++) fork();"
},
{
"code": null,
"e": ... |
IntStream rangeClosed() in Java | 06 Dec, 2018
IntStream rangeClosed(int startInclusive, int endInclusive) returns an IntStream from startInclusive (inclusive) to endInclusive (inclusive) by an incremental step of 1.
Syntax :
static IntStream rangeClosed(int startInclusive, int endInclusive)
Parameters :
IntStream : A sequence of primitive int-value... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n06 Dec, 2018"
},
{
"code": null,
"e": 198,
"s": 28,
"text": "IntStream rangeClosed(int startInclusive, int endInclusive) returns an IntStream from startInclusive (inclusive) to endInclusive (inclusive) by an incremental step of 1."
},... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.