instruction stringlengths 2 259 ⌀ | input stringlengths 0 442 ⌀ | output stringlengths 1 1.9k ⌀ | text stringlengths 273 2.08k ⌀ |
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Stručně shrň článek o tématu „Sulfonová kyselina“ a uveď hlavní fakta. | **Sulfonová kyselina**
Jako sulfonové kyseliny se obvykle označuje třída organických kyselin, která má obecný vzorec R-SO2-OH, kde R je obvykle uhlovodíkový substituent. Termín sulfonová kyselina (resp. kyselina sulfonová) může označovat také konkrétního člena této třídy, kde R=vodík. Sulfonové kyseliny jsou příbuzné ... | null | |
Stručně shrň článek o tématu „Dyjsko-mlýnský náhon“ a uveď hlavní fakta. | **Dyjsko-mlýnský náhon**
Dyjsko-mlýnský náhon (), známý také jako Mlýnská strouha či Krhovicko-jaroslavický náhon, též jako Stará Dyje, je více než 30 km dlouhý vodní kanál nacházející se v okrese Znojmo v Jihomoravském kraji. Je to technická památka, jedno z nejstarších a nejrozsáhlejších vodních děl svého druhu na M... | null | |
Create an SQL query to find the names of all students enrolled in a particular course. | table_name = "students" course_name = "Data Science" | SELECT name FROM students WHERE course_name = 'Data Science' | null |
Analyze the given text using opinion mining. | The new iPhone is awesome, I love it! | import nltk from nltk.sentiment.vader import SentimentIntensityAnalyzer sid = SentimentIntensityAnalyzer() ss = sid.polarity_scores(text) # Output {'neg': 0.0, 'neu': 0.49, 'pos': 0.51, 'compound': 0.7717} | null |
Respond with a query using the following inputs. | TableName: Employees, ColumnNames: FirstName, LastName | SELECT FirstName, LastName FROM Employees; | null |
Write a SQL query for retrieving the address of the latest customer in the database. | SELECT address FROM customers ORDER BY created_at DESC LIMIT 1; | null | |
Write a regex that matches the strings "apple" and "match". | /(apple)|(match)/ | null | |
Write a sql query that takes the maximum of a particular column | Table: employees Columns: name, salary | SELECT MAX(salary) FROM employees; | null |
Kolik je 17 - 5? | 17 - 5 = 12 | null | |
Rewrite the following code snippet in Python to multiply an array of two numbers with each element in the array. | var numbers = [3, 5]; for (var i = 0; i < numbers.length; i++) { numbers[i] = numbers[i] * 2; } | numbers = [3, 5] for i in range(len(numbers)): numbers[i] *= 2 | null |
Create a MATLAB code snippet for calculating the mean of a given list of numbers. | list_nums = [2, 7, 3, 19, 4, 7] | function mean_val = calc_mean(list_nums) mean_val = mean(list_nums); end list_nums = [2, 7, 3, 19, 4, 7]; mean_val = calc_mean(list_nums); | null |
Initialize a dictionary using the given keys. | keys=["key1", "key2", "key3"] | keys = ["key1", "key2", "key3"] dictionary = {key: None for key in keys} print(dictionary) | null |
Construct a web page with three columns and a header. | <html> <head> <title>Three Column Page</title> </head> <body> <h1> Three Column Page </h1> <div> <div style="float:left;width:33%;"> Content for Column 1 </div> <div style="float:left;width:33%;"> Content for Column 2 </div> <div style="float:left;width:33%;"> Content for Column 3 </div> </div> </body> </html> | null | |
Design a program in Python to remove all even elements from a given list. | lst = [2, 4, 5, 6, 8, 10] | def remove_even(lst): evens = [] for num in lst: if num % 2 != 0: evens.append(num) return evens | null |
How can you use the modulo operator to print even numbers in a loop? | The modulo operator can be used to print even numbers in a loop by using an IF statement to check if the remainder of a number divided by two is zero. If the condition is true, the even number is printed. For example, the following code will print all even numbers from 1 to 10: for (int i = 1; i <= 10; i++){ if (i % 2 ... | null | |
Construct a SQL query to get all the rows of a table ordered by the largest value in each row first. | SELECT ... | SELECT * FROM Table ORDER BY MAX(column1, column2, ...) DESC; | null |
Stručně shrň článek o tématu „Treláž“ a uveď hlavní fakta. | **Treláž**
Treláž () je stavební doplněk zahrady nebo domu vytvářející dekorativní efekty. Je to prvek zahradní architektury používaný v sadovnické tvorbě. Treláže mohou být seskupovány, doplňovány jinými stavebními prvky nebo i stříhanými keři. Treláže se mohou lišit podle velikosti a designu. Popis Treláž je mřížová... | null | |
Summarize key facts about „Maisy Stella“ clearly and accurately. | **Maisy Stella**
Maisy Jude Marion Stella (born December 13, 2003) is a Canadian singer and actress. She is known for her role as Daphne Conrad on the musical television series Nashville (2012–2018). In 2017, she released her debut solo song, "Riding Free", for the soundtrack of the Dreamworks animation series Spirit ... | null | |
Summarize key facts about „Meza cybeutes“ clearly and accurately. | **Meza cybeutes**
Meza cybeutes, the drab three-spot missile, is a butterfly in the family Hesperiidae. It is found in Guinea, Sierra Leone, Ivory Coast, Ghana, Nigeria, Cameroon, Gabon, the Republic of the Congo, the Central African Republic, Angola, the Democratic Republic of the Congo, Uganda and Tanzania. The habi... | null | |
Write a SASS mixin to add shadow style to multiple elements | @mixin myshadow($shdwBlur, $shdwColor) { -webkit-box-shadow : 0 0 $shdwBlur $shdwColor; -moz-box-shadow : 0 0 $shdwBlur $shdwColor; box-shadow : 0 0 $shdwBlur $shdwColor; } | null | |
Stručně shrň článek o tématu „Yule (rozcestník)“ a uveď hlavní fakta. | **Yule (rozcestník)**
Yule může být: příjmení Henry Yule (1920–1879) – skotský orientalista George Yule (1829–1892) – britský obchodník Bob Yule (1920–1953) – novozélandský pilot Doug Yule (* 1947) – americký hudebník Billy Yule (* 1954) – americký bubeník možná hledáte jule – germánský svátek | null | |
Stručně shrň článek o tématu „Helme“ a uveď hlavní fakta. | **Helme**
Helme může být: zeměpisné označení Helme (řeka) – řeka v Německu Helme (obec) – samosprávná obec v Estonském kraji Valgamaa Helme (městečko) – estonské městečko, správní středisko stejnojmenné obce příjmení Elisabeth Helme († 1814) – britská spisovatelka Mart Helme (* 1949) – estonský diplomat Rein Helme (19... | null | |
Summarize key facts about „Pons Cestius“ clearly and accurately. | **Pons Cestius**
The Pons Cestius (Latin for the "Cestian Bridge"; ) is an ancient Roman bridge connecting the right bank of the Tiber with the west bank of Tiber Island in Rome, Italy. In Late Antiquity, the bridge was replaced and renamed the Pons Gratiani ("Bridge of Gratian"). It is also known as Ponte San Bartolo... | null | |
Implement a function to return the element that appears most frequently in a list. | [5,5,5,5,6,6,7,7,7] | def find_most_frequent_element(arr): d = {} for num in arr: if num in d: d[num] += 1 else: d[num] = 1 max_freq = 0 most_frequent_element = None for num in d: if d[num] > max_freq: max_freq = d[num] most_frequent_element = num return most_frequent_element | null |
Write a Python class Stack. | ```python class Stack: def __init__(self): self._d = [] def push(self, x): self._d.append(x) def pop(self): if not self._d: raise IndexError("empty") return self._d.pop() def peek(self): return self._d[-1] ``` | null | |
Provide an example of an if-else statement in C++. | int x = 5; if (x > 0) { std::cout << "x is positive"; } else { std::cout << "x is negative or zero"; } | null | |
Design a class in Java to represent a rectangle and include methods to calculate and return its perimeter and area. | public class Rectangle { private int width; private int height; public Rectangle(int width, int height) { this.width = width; this.height = height; } public int getPerimeter() { return 2 * (width + height); } public int getArea() { return width * height; } } | null | |
Ahoj | Ahoj! Jak ti můžu pomoct? | null | |
Design a recursive algorithm in Python to calculate the sum of all elements in the given array | [1, 3, 7, 9, 11] | def recursive_sum(arr): if len(arr) == 1: return arr[0] else: return arr[0] + recursive_sum(arr[1:]) arr = [1, 3, 7, 9, 11] print(recursive_sum(arr)) | null |
Create a dictionary with key as the string and values as the number of occurrences of the respective character in a given string. | mystring | dict = { 'm': 1, 'y': 1, 's': 1, 't': 1, 'r': 1, 'i': 1, 'n': 1, 'g': 1 } | null |
HTML snippet: link css | ```html <link rel="stylesheet" href="styles.css" /> ``` | null | |
Stručně shrň článek o tématu „Italská ženská basketbalová reprezentace“ a uveď hlavní fakta. | **Italská ženská basketbalová reprezentace**
Italská ženská basketbalová reprezentace reprezentuje Itálii v mezinárodních soutěžích v basketbalu. Největším úspěchem je zisk zlatých medailí na ME 1938. Mistrovství světa Mistrovství Evropy Olympijské hry Odkazy Reference Související články Italská mužská basketbalová re... | null | |
Kolik je 20 - 6? | 20 - 6 = 14 | null | |
Hello tam? | Zdravím! Napiš úkol — rád pomůžu. | null | |
Write a kernel module in C. | That's outside my stack. I don't do low-level C/kernel work. I can help with Python, JavaScript, HTML or PHP instead. | null | |
Spočítej: 21 + 9 = ? | 21 + 9 = 30 | null | |
Spočítej: 3 + 3 = ? | 3 + 3 = 6 | null | |
Summarize key facts about „Ramazan Abbasov“ clearly and accurately. | **Ramazan Abbasov**
Ramazan Abbasov (born 22 September 1983 in Salakh, Armenia) is an Azerbaijani footballer who plays as a midfielder, most recently for Səbail, and previously for Azerbaijan. Career In January 2015, Abbasov went on trial with Azerbaijan Premier League side FK Baku. Career statistics Club Internationa... | null | |
Edit the following code so that it prints the first odd number in a given list. | nums = [2, 3, 4, 5, 6] | for num in nums: if num % 2 == 1: print(num) break | null |
Format a given date in the following format: "Month Day, Year" | date = '2020-10-25' | #Format a given date date = '2020-10-25' #Split the date month, day, year = date.split('-') #Format the date formatted_date = month + ' ' + day + ', ' + year #Print the formatted date print(formatted_date) """ Output: October 25, 2020 """ | null |
Summarize key facts about „Latarnesa“ clearly and accurately. | **Latarnesa**
Latarnesa (, also Romanized as Latarnesā) is a village in Chehel Shahid Rural District, in the Central District of Ramsar County, Mazandaran Province, Iran. At the 2006 census, its population was 69, in 17 families. References Populated places in Ramsar County | null | |
Summarize key facts about „Hombre Bala Jr.“ clearly and accurately. | **Hombre Bala Jr.**
Drone (born August 8, 1991 in Ciudad Nezahualcóyotl, Mexico State, Mexico) is the current ring name of a Mexican luchador enmascarado, or masked professional wrestler who works for the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) portraying a tecnico ("Good guy") w... | null | |
Generate a for loop in Java to display all the numbers between 1 and 10. | for (int i = 1; i <= 10; i++) { System.out.println(i); } | null | |
Stručně shrň článek o tématu „Vrh vodorovný“ a uveď hlavní fakta. | **Vrh vodorovný**
Vrh vodorovný je pohyb tělesa v tíhovém poli, při kterém počáteční rychlost tělesa má směr kolmý ke směru tíhového zrychlení. Vodorovný vrh je složený – pohyb vrženého tělesa vodorovným směrem a volný pád tělesa. Vodorovný vrh je speciálním případem šikmého vrhu. Pokud vrh probíhá ve vakuu a uvažujem... | null | |
Write a Visual Basic Script to add two numbers | Function add(a As Integer, b As Integer) add = a + b End Function MsgBox(add(5, 2)) | null | |
Write a SQL query which returns all columns from the table 'employees' | SELECT * FROM employees; | null | |
Complete the following code with a condition so it prints the average of the array elements. | arr = [4, 15, 12, 3, 8] total = 0 for num in arr: # Your code here print(total / len(arr)) | arr = [4, 15, 12, 3, 8] total = 0 for num in arr: total += num print(total / len(arr)) | null |
dobrý den | Ahoj! Napiš úkol — klidně česky nebo anglicky, případně kód v Python/JS/HTML/PHP. | null | |
null | null | null | Joyce Godenzi
Joyce Mina Godenzi (; born 28 May 1965) is a former actress and winner of the Miss Hong Kong pageant of 1984. Background Born in British Hong Kong in 1965 to an Australian father and a Chinese mother, Godenzi was encouraged to join the Miss Hong Kong pageant by her modeling agency, which had groomed one ... |
Spočítej 15×3 | 15 × 3 = 45 | null | |
null | null | null | Tom Goodson
Tom Goodson (born February 16, 1951) is a Republican politician and a former member of the Florida House of Representatives. History Goodson attended Brevard Community College, graduating with his Associate degree in 1973, and later attended Florida State University, graduating with a Bachelor's degree in ... |
Spočítej: 25 + 8 = ? | 25 + 8 = 33 | null | |
How would you reverse the order of the elements in a given singly linked list in-place? | def reverse_inplace(head): if head is None or head.next is None: return head prev_node = None next_node = None curr_node = head while curr_node is not None: next_node = curr_node.next curr_node.next = prev_node prev_node = curr_node curr_node = next_node return prev_node | null | |
Spočítej 15×9 | 15 × 9 = 135 | null | |
CSS: responsive container max 960px. | ```css .container { width: min(100% - 2rem, 960px); margin-inline: auto; } ``` | null | |
null | null | null | Janko Silan
Janko Silan, vlastním jménem Ján Ďurka (24. listopadu 1914 Nové Sady – 16. května 1984 Važec), byl slovenský básník, prozaik, překladatel a římskokatolický kněz. Představitel slovenské spirituální lyriky 20. století a ústřední osobnost katolické moderny. Životopis Narodil se do chudé dělnické rodiny. V rod... |
Use for loop to print all numbers from 1 to 100 in separate lines. | for i in range (1, 101): print(i) | null | |
What is the purpose of using global variables in programming? | The purpose of using global variables in programming is to allow variables to be shared among multiple functions. Global variables are accessible by all the functions within a program and provide an easy way to share data between different functions. By declaring a variable as global, its value can be changed by any ot... | null | |
Write a PHP code to find the first day of the current month. | $date = strtotime(date('Y-m-01')); echo date('Y-m-d', $date); | null | |
Co je algoritmus? (stručně) | Algoritmus je přesný postup kroků k vyřešení úlohy. | null | |
Write an R function to calculate the binomial coefficient of n and k | binomial_coeff <- function(n, k) { if((k == 0) | (k == n)) return(1) else return(binomial_coeff(n-1, k-1) + binomial_coeff(n-1,k)) } | null | |
Write a code to find the shortest possible palindrome. | string = 'race' | """ Function to find the shortest possible palindrome """ const findShortestPalindrome = (string) => { let reversedString = string.split('').reverse().join('') let newString = string + '#' + reversedString let lps = [] let i = 1 let j = 0 while (i < newString.length) { if (newString[i] === newString[j]) { lps[i] = j + ... | null |
Write a SQL statement to select the names of employees beginning with 'A'. | SELECT name FROM employees WHERE name LIKE 'A%'; | null | |
Implement a function that takes a string as a parameter and returns a modified string with the words reversed. | string = "This is a sentence." | def reverse_words(sentence): return ' '.join(sentence.split()[::-1]) # Result: reverse_words(string) # "sentence. a is This" | null |
Summarize key facts about „Taharua River“ clearly and accurately. | **Taharua River**
The Taharua River is a river of the northwestern Hawke's Bay region of New Zealand's North Island. It flows south from its origins 25 kilometres southwest of Taupō to reach the Mohaka River of which it is one of the earliest tributaries. See also List of rivers of New Zealand References Rivers of the... | null | |
Create a function to search the given list to find a key value and return its position. | arr = ['a', 'b', 'c', 'd'] key = 'a' | def search(arr, key): for i in range(len(arr)): if arr[i] == key: return i return -1 | null |
Build a machine learning model to classify the type of iris flower. | from sklearn.datasets import load_iris from sklearn.ensemble import RandomForestClassifier # Load data iris_data = load_iris() X = iris_data.data y = iris_data.target # Create a model and train it model = RandomForestClassifier() model.fit(X, y) # Make predictions predictions = model.predict(X) | null | |
Summarize key facts about „Vaneh Kuh“ clearly and accurately. | **Vaneh Kuh**
Vaneh Kuh (, also Romanized as Vaneh Kūh) is a village in Chehel Shahid Rural District, in the Central District of Ramsar County, Mazandaran Province, Iran. At the 2006 census, its population was 70, in 20 families. References Populated places in Ramsar County | null | |
null | null | null | Římskokatolická farnost Dolní Podluží
Římskokatolická farnost Dolní Podluží (lat. Grunda) je církevní správní jednotka sdružující římské katolíky na území obce Dolní Podluží a v jejím okolí. Organizačně spadá do děčínského vikariátu, který je jedním z 10 vikariátů litoměřické diecéze. Centrem farnosti je kostel svaté ... |
Explain the concept of assembly language. | Assembly language is a low-level programming language that provides a symbolic representation of the machine instructions for a specific processor or family of processors. It is typically used when writing code for embedded systems, or when the target processor and/or instruction set of the program is not well-known. A... | null | |
Stručně shrň článek o tématu „Gletscherhorn“ a uveď hlavní fakta. | **Gletscherhorn**
Gletscherhorn je hora v Bernských Alpách ve Švýcarsku. Nachází se ve skupině Jungfraugruppe na hranicích mezi kantony Bern a Valais. Leží nad vesnicí Stechelberg asi 20 km jihozápadně od města Interlaken. Na severu sousedí s vrcholem Louwihorn (3777 m), na jihozápadě s vrcholem Äbeni Flue (3962 m). L... | null | |
Transform a given Python list of integers into a dictionary that contains the numbers as keys and its squares as values. | [1,2,3] | my_list = [1,2,3] dict_squares = {x:x**2 for x in my_list} | null |
Spočítej: 20 + 4 = ? | 20 + 4 = 24 | null | |
Summarize key facts about „Félix Auguste Clément“ clearly and accurately. | **Félix Auguste Clément**
Félix Auguste Clément (20 May 1826, Donzère - 2 February 1888, Algiers) was a French painter, known primarily for his Orientalist scenes. Biography His first studies were at the École nationale des beaux-arts de Lyon with Jean-Claude Bonnefond. In 1848, he entered the École des Beaux-Arts in ... | null | |
Generate a matrix with specific number of row and columns | Number of rows = 3, number of columns = 2 | [[0, 0], [0, 0], [0, 0]] | null |
Provide an example of a memoization technique in programming. | An example of a memoization technique in programming is to store the result of a function call in a lookup table. When the function is called for the same input in the future, the stored result can be accessed quickly from the lookup table instead of needing to calculate it again, resulting in improved performance. | null | |
Implement a sorting algorithm in C++. | No input | #include <iostream> using namespace std; int main() { int arr[] = {10, 7, 8, 9, 1, 5}; int n = sizeof(arr)/sizeof(arr[0]); // Bubble sort algorithm for (int i = 0; i < n-1; i++) for (int j = 0; j < n-i-1; j++) if (arr[j] > arr[j+1]) swap(arr[j], arr[j+1]); // Prints the sorted array for (int i = 0; i < n; i++) cout << ... | null |
Write an SQL query to find a user with the name ‘John Smith’. | Table name: Users Columns: Id, name | SELECT * FROM Users WHERE name = 'John Smith'; | null |
Create a dictionary of fruits and their respective colors. | fruits = { "apple": "red", "banana": "yellow", "grape": "purple" } | null | |
Stručně shrň článek o tématu „Fletschhorn“ a uveď hlavní fakta. | **Fletschhorn**
Fletschhorn je hora ve Walliských Alpách ve Švýcarsku. Nachází se ve skupině Weissmiesgruppe na území okresu Visp (kanton Valais) nad vesnicí Saas-Balen asi 16,5 km jižně od města Brig. Leží v hřebeni mezi údolími Saastal a Simplontal, kde na severozápadě sousedí s vrcholem Senggchuppa (3607 m) a na ji... | null | |
Compute the sum of all numbers from 1 to 5 using a for loop. | total = 0 for i in range(1, 6): total += i print(total) | null | |
null | null | null | Johann Caspar Ferdinand Fischer
Johann Caspar Ferdinand Fischer (křtěn 6. září 1656 Krásno – 27. srpna 1746 Rastatt) byl český barokní hudební skladatel a kapelník, mistr suity pro cembalo a varhany. Život Narodil se jako syn Jana Fischera a byl pokřtěn 6. září roku 1656 v Krásnu na Chebsku. Z prvního krátkého manžels... |
Kolik je 22 - 14? | 22 - 14 = 8 | null | |
Construct a CSS style sheet | Change the default color of the HTML text to be purple | * { color: #7a00e6; } | null |
Summarize key facts about „Miško“ clearly and accurately. | **Miško**
Miško () is a South Slavic masculine given name. It may refer to: Miško Kranjec, Slovenian writer Miško Mirković, retired Serbian footballer Miško Šuvaković, Serbian artist See also Mišković Slavic masculine given names Serbian masculine given names Masculine given names | null | |
Vysvětli třída? | Třída je šablona pro objekty — definuje data (atributy) a chování (metody). | null | |
Stručně shrň článek o tématu „Misionáři komboniáni Srdce Ježíšova“ a uveď hlavní fakta. | **Misionáři komboniáni Srdce Ježíšova**
Misionáři komboniáni Srdce Ježíšova (latinsky: Missionarii Comboniani Cordis Iesu, původně: Congregatio Filiorum S. Cordis Iesu, zkratka: MCCI, zvaní též „Veronští otcové“) je mužský řeholní institut papežského práva založený 1. června 1867 biskupem Danielem Combonim. Hlavním po... | null | |
How can you replace a character in a string in Ruby? | In Ruby you can use the gsub method to replace a character in a string. For example, to replace the character 'z' with 'x' in a string str: str.gsub('z', 'x') | null | |
Edit the code given below so it can compute the sum of two numeric inputs. | def add_two_numbers(x, y): # TODO: Write code that computes and returns the sum of two numeric inputs | def add_two_numbers(x, y): # Compute and return the sum of two numeric inputs return x + y | null |
Create a C# program that creates a List of five strings and prints out each one. | List<string> myList = new List<string>(); myList.Add("hello"); myList.Add("world"); myList.Add("testing"); myList.Add("123"); myList.Add("goodbye"); foreach (string s in myList) { Console.WriteLine(s); } | null | |
Code an R function that takes an array arr as an argument and returns the length of the array. | arr = c(4, 8, 15, 16, 23, 42) | get_array_length = function(arr){ return length(arr) } | null |
Napiš JS: vrať pole čísel 1..7. | ```javascript const nums = Array.from({length: 7}, (_, i) => i + 1); ``` | null | |
Write a regex to match a list of valid US zip codes | import re def is_valid_zip(zip_code): regex = r"^[0-9]{5}(-[0-9]{4})?$" return re.match(regex, zip_code) is not None print(is_valid_zip('12345')) # True print(is_valid_zip('12345-6789')) # True | null | |
Write a Haskell program to calculate the sum of list elements. | [2,3,7,9] | sumlist :: [Integer] -> Integer sumlist [] = 0 sumlist (x:xs) = x + sumlist xs -- Driver Code main = do print (sumlist [2,3,7,9]) -- Output: 21 | null |
Summarize key facts about „History of rugby union matches between Australia and New Zealand“ clearly and accurately. | **History of rugby union matches between Australia and New Zealand**
The first clash in Rugby Union between Australia and New Zealand took place in a test match on 15 August 1903 in Sydney, New South Wales. On that occasion, New Zealand won 22–3. Since 1931, the overall winner of the annual test matches (between one a... | null | |
null | null | null | Pražský rejdič středozobý
Pražský rejdič středozobý je plemeno holuba domácího pocházející z České republiky. Má společný původ s pražským rejdičem krátkozobým. Je to drobný holub s hranatou hlavou, lehce nazad skloněným trupem a vypjatou, zaoblenou hrudí. Má vynikající letové schopnosti, trénované hejno by mělo vydrž... |
Mluv německy. | Tohle jazyk spolehlivě neovládám. Můžu česky nebo anglicky. | null | |
Produce a new array by multiplying all numbers in the initial array by 2. | let arr = [1, 4, 6, 8] | let newArr = arr.map(x => x * 2); | null |
Potřebuju Python helper `strip_ws`: odstraní whitespace. | ```python def strip_ws(s: str) -> str: return " ".join(s.split()) ``` | null | |
Stručně shrň článek o tématu „Kventlík“ a uveď hlavní fakta. | **Kventlík**
Kventlík nebo kvintlík (podle německého Quint(chen) téhož významu) byla stará česká váhová jednotka s hodnotou těsně přes 4 g. Synonymem je drachma, jako lékárenská jednotka hmotnosti. Jedna libra se dělila na 2 hřivny, 4 čtvrtě, 16 uncí, 32 lotů a 128 kvintlíků. Česká libra měla hodnotu 0,51375 kg, takže... | null |
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