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Python 2021-10-19 10:17:11
dictionary functions in python
# PYTHON DICTIONARY METHODS METHOD DESCRIPTION clear() Removes all the elements from the dictionary copy() Returns a copy of the dictionary fromkeys() Returns a dictionary with the specified keys and value get() Returns the value... Add solution -
Java 2021-10-19 09:19:09
arraylist how to add at 0 java
//The add(int index, E element) method of Java ArrayList class //inserts a specific element in a specific index of ArrayList. //It shifts the element of indicated //index if exist and subsequent elements to the right. List<String> colors = new Ar... Add solution -
Python 2021-10-19 07:05:08
drop first column read_csv
# Read column names from file cols = list(pd.read_csv("sample_data.csv", nrows =1)) print(cols) # Use list comprehension to remove the unwanted column in **usecol** df= pd.read_csv("sample_data.csv", usecols =[i for i in cols if i != ... Add solution -
TypeScript 2021-10-18 15:45:06
related posts wordpress without plugin
<?php /** * Blog Template Part for displaying single blog related posts * * @package Thype * @subpackage Blog Parts * @since 1.0.0 * */ $the_query = codeless_get_related_posts( get_the_ID(), 4 ); global $cl_from_element; $cl_from_element['is_r... Add solution -
Python 2021-10-18 07:59:11
python return iteration number of for loop
# Basic syntax: for iteration, item in enumerate(iteratable_object): print(iteration) # Where: # - item is the current element in the iteratable_object # - iteration is the iteration number/count for the current iteration # Basic syntax using list compr... Add solution -
Python 2021-10-14 09:00:05
python return specific elements from list
# Basic syntax: # Using list comprehension: selected_elements = [your_list[index] for index in indices] # Example usage: # Say you want to return the elements at indices 1, 4, 6 your_list = [5, 7, 23, 42, 11, 17, 27] indices = [1, 4, 6] # Running: [your... Add solution -
Python 2021-10-14 02:41:03
find all unique substring permutations of a string of a specific length python
import itertools x = "some string" # aList contains all permutations of all lengths of string x aList = [each for eachpermut in [''.join(l) for i in range(len(x)) for l in itertools.combinations(x, i+1)] for each in [''.join(eachpermut) for ea... Add solution -
Other 2021-10-14 01:39:04
Given a list of numbers, write a list comprehension that produces a list of only the positive numbers in that list. Eg:- input = [-2, -1, 0, 1, 2] Output = [1,2]
Given a list of numbers, write a list comprehension that produces a list of only the positive numbers in that list. Eg:- input = [-2, -1, 0, 1, 2] Output = [1,2] Add solution