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Python 2022-03-03 07:40:33
python list functions
list.append(x) # append x to end of list list.extend(iterable) # append all elements of iterable to list list.insert(i, x) # insert x at index i list.remove(x) # remove first occurance of x from list list.pop([i]) # pop element at index i (defaults to end... Add solution -
Python 2022-01-26 07:20:51
Function to check if a sublist with zero-sum is present in a given list or no
def hasZeroSumSublist(A): # create an empty set to store the sum of elements of each # sublist `A[0…i]`, where `0 <= i < len(A)` s = set() # insert 0 into the set to handle the case when sublist with # zero-sum starts ... Add solution -
Python 2022-01-24 21:25:02
seaborn heatmap spearman correlation coefficient
# credit to Stack Overflow user in the source link import pandas as pd import seaborn as sns import matplotlib.pyplot as plt A = [...] # insert here your list of values for A B = [...] # insert here your list of values for B df = pd.DataFrame({'A': A, ... Add solution -
Shell/Bash 2022-01-22 05:37:01
how to make server environment variables available to browser on frontend in node js
# in the project's root dir create a file named: ".env" and # insert the env variables as follows. # NB: the env variable name must start with REACT_APP for react js projects REACT_APP_CLIENT_ID=jfjffffaddfeettgydgdffv REACT_APP_KEY=aaddddawrff... Add solution -
Other 2021-11-20 09:23:33
list
list.append(x) # append x to end of list list.extend(iterable) # append all elements of iterable to list list.insert(i, x) # insert x at index i list.remove(x) # remove first occurance of x from list list.pop([i]) # pop element at index i (defaults to end... Add solution -
SQL 2021-11-16 12:49:14
is sqlite installed as part of python3
import sqlite3 conn = sqlite3.connect('example.db') c = conn.cursor() # Create table c.execute('''CREATE TABLE stocks (date text, trans text, symbol text, qty real, price real)''') # Insert a row of data c.execute("INSERT INTO stocks V... Add solution -
Python 2021-11-07 18:09:20
how to save form data to database in flask\
# routes.py import sqlite3 as sql from my_app import app from flask import render_template, request # connect to qa_database.sq (database will be created, if not exist) con = sql.connect('qa_database.db') con.execute('CREATE TABLE IF NOT EXISTS tbl_QA ... Add solution