• Nov 19, 2022 •CodeCatch
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def check_prop(fn, prop): return lambda obj: fn(obj[prop]) check_age = check_prop(lambda x: x >= 18, 'age') user = {'name': 'Mark', 'age': 18} check_age(user) # True
• 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)
• May 31, 2023 •CodeCatch
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import calendar # Prompt user for year and month year = int(input("Enter the year: ")) month = int(input("Enter the month: ")) # Create a calendar object cal = calendar.monthcalendar(year, month) # Display the calendar print(calendar.month_name[month], year) print("Mon Tue Wed Thu Fri Sat Sun") for week in cal: for day in week: if day == 0: print(" ", end="") else: print(str(day).rjust(2), " ", end="") print()
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def max_n(lst, n = 1): return sorted(lst, reverse = True)[:n] max_n([1, 2, 3]) # [3] max_n([1, 2, 3], 2) # [3, 2]
1 like • 4 views
def hex_to_rgb(hex): return tuple(int(hex[i:i+2], 16) for i in (0, 2, 4)) hex_to_rgb('FFA501') # (255, 165, 1)
import mysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword" ) mycursor = mydb.cursor() mycursor.execute("CREATE DATABASE mydatabase")