• Oct 10, 2025 •AustinLeath
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#Original def output_json_log_data_to_file(filename, record_dictionary_list): with open(filename, 'w') as outputFile: for record in record_dictionary_list: json.dump(record, outputFile) outputFile.write('\n') #Atomic def output_json_log_data_to_file(filename, record_dictionary_list): # Use atomic file operations to prevent race conditions with readers # Write to temporary file first, then atomically rename to target file tmp_filename = filename + '.tmp' with open(tmp_filename, 'w') as outputFile: for record in record_dictionary_list: json.dump(record, outputFile) outputFile.write('\n') # Atomic rename - this prevents readers from seeing partial writes shutil.move(tmp_filename, filename)
• Nov 19, 2022 •CodeCatch
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# Python program to reverse a linked list # Time Complexity : O(n) # Space Complexity : O(n) as 'next' #variable is getting created in each loop. # Node class class Node: # Constructor to initialize the node object def __init__(self, data): self.data = data self.next = None class LinkedList: # Function to initialize head def __init__(self): self.head = None # Function to reverse the linked list def reverse(self): prev = None current = self.head while(current is not None): next = current.next current.next = prev prev = current current = next self.head = prev # Function to insert a new node at the beginning def push(self, new_data): new_node = Node(new_data) new_node.next = self.head self.head = new_node # Utility function to print the linked LinkedList def printList(self): temp = self.head while(temp): print temp.data, temp = temp.next # Driver program to test above functions llist = LinkedList() llist.push(20) llist.push(4) llist.push(15) llist.push(85) print "Given Linked List" llist.printList() llist.reverse() print "\nReversed Linked List" llist.printList()
• May 31, 2023 •CodeCatch
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def generate_pascals_triangle(num_rows): triangle = [] for row in range(num_rows): # Initialize the row with 1 current_row = [1] # Calculate the values for the current row if row > 0: previous_row = triangle[row - 1] for i in range(len(previous_row) - 1): current_row.append(previous_row[i] + previous_row[i + 1]) # Append 1 at the end of the row current_row.append(1) # Add the current row to the triangle triangle.append(current_row) return triangle def display_pascals_triangle(triangle): for row in triangle: for number in row: print(number, end=" ") print() # Prompt the user for the number of rows num_rows = int(input("Enter the number of rows for Pascal's Triangle: ")) # Generate Pascal's Triangle pascals_triangle = generate_pascals_triangle(num_rows) # Display Pascal's Triangle display_pascals_triangle(pascals_triangle)
• Nov 18, 2022 •AustinLeath
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#Python 3: Fibonacci series up to n def fib(n): a, b = 0, 1 while a < n: print(a, end=' ') a, b = b, a+b print() fib(1000)
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# Python program for implementation of Bubble Sort def bubbleSort(arr): n = len(arr) # Traverse through all array elements for i in range(n-1): # range(n) also work but outer loop will repeat one time more than needed. # Last i elements are already in place for j in range(0, n-i-1): # traverse the array from 0 to n-i-1 # Swap if the element found is greater # than the next element if arr[j] > arr[j+1] : arr[j], arr[j+1] = arr[j+1], arr[j] # Driver code to test above arr = [64, 34, 25, 12, 22, 11, 90] bubbleSort(arr) print ("Sorted array is:") for i in range(len(arr)): print ("%d" %arr[i]),
• Mar 10, 2021 •Skrome
import string def caesar(text, shift, alphabets): def shift_alphabet(alphabet): return alphabet[shift:] + alphabet[:shift] shifted_alphabets = tuple(map(shift_alphabet, alphabets)) final_alphabet = "".join(alphabets) final_shifted_alphabet = "".join(shifted_alphabets) table = str.maketrans(final_alphabet, final_shifted_alphabet) return text.translate(table) plain_text = "Hey Skrome, welcome to CodeCatch" print(caesar(plain_text, 8, [string.ascii_lowercase, string.ascii_uppercase, string.punctuation]))