Search results for "python"
epub |eng | 2024-02-15 | Author:Simhadri Govindappa [Govindappa, Simhadri]
Optimizations for Performance: The abstraction layers, particularly Catalyst and Tungsten, contribute to Sparkâs performance optimizations. Catalyst enhances query planning and optimization, while Tungsten focuses on efficient execution, resulting in faster ...
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February 19,2025 )
epub |eng | 2024-11-02 | Author:Publishing, Dargslan
root = tk.Tk() # Start the background task in a separate thread thread = threading.Thread(target=background_task) thread.daemon = True # Allow the thread to be terminated when the main program exits ...
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February 19,2025 )
epub |eng | 2024-10-29 | Author:Publishing, Dargslan
event = Event("Conference", datetime(2023, 6, 15)) json_data = json.dumps(event, cls=DataClassJSONEncoder) print(json_data) This custom encoder handles data classes and datetime objects, converting them to appropriate JSON representations. Using dataclasses-json The dataclasses-json ...
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February 19,2025 )
epub |eng | 2023-11-19 | Author:Nicholas Kimmel [Kimmel, Nicholas]
In this setup, the else block only executes if no exceptions are raised in the try block, and the finally block always executes. Chapter 13 - Python standard libraries Python ...
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February 18,2025 )
epub |eng | 2024-09-09 | Author:Aouacheria, Ramzi
Network Mapping with Python and Nmap While a simple port scanner is great for scanning individual ports, sometimes you want a more powerful tool to map out the entire network. ...
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February 18,2025 )
epub |eng | 2024-11-20 | Author:Publishing, Dargslan
# Example usage try: result = safe_eval("2 + 2", {}, {}) print(f"Safe result: {result}") result = safe_eval("__import__('os').system('ls')", {}, {}) print(f"Unsafe result: {result}") except ValueError as e: print(f"Error: {e}") This example ...
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February 16,2025 )
epub |eng | 2024-11-22 | Author:Publishing, Dargslan
@classmethod def from_crawler(cls, crawler): return cls(crawler.settings) def process_request(self, request, spider): cache_key = self._get_cache_key(request) cache_path = os.path.join(self.cache_dir, cache_key) if os.path.exists(cache_path): with open(cache_path, 'rb') as f: return pickle.load(f) def process_response(self, request, response, ...
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February 15,2025 )
epub |eng | 2024-11-21 | Author:Publishing, Dargslan
return super().__new__(cls, name, bases, attrs) class ValidClass(metaclass=CodeValidator): """This is a valid class.""" def valid_method(self): pass try: class invalidClass(metaclass=CodeValidator): def InvalidMethod(self): pass except NameError as e: print(f"Error: {e}") try: class NoDocString(metaclass=CodeValidator): ...
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February 14,2025 )
epub |eng | 2024-09-15 | Author:SMADBECK, LOUIS
Creating a PRAW Instance In order to connect to Reddit, we need to create a praw instance. There are 2 types of praw instances: Read-only Instance: Using read-only instances, we ...
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February 13,2025 )
pdf | | 2025-02-15 | Author:Michael Dorman & Anita Graser & Jakub Nowosad and Robin Lovelace
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February 12,2025 )
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