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  1. Null object in Python - Stack Overflow

    Jul 20, 2010 · How do I refer to the null object in Python?

  2. How to test a variable is null in python - Stack Overflow

    May 12, 2017 · How to test a variable is null in python [duplicate] Asked 8 years, 9 months ago Modified 8 years ago Viewed 466k times

  3. python - How to read empty string as well as NULL values from a csv ...

    Jul 31, 2025 · Therefore, empty strings are interpreted as null values by default. If you set nullValue to anything but "", like "null" or "none", empty strings will be read as empty strings and not as null …

  4. Python - Checking for Null Object - Stack Overflow

    Jun 28, 2001 · The "null object" is None. Martijn's answer shows how to do that. This is checking for a variable not being bound at all, not for a variable being bound to the null object. Anyway, Python …

  5. null - None vs Empty String in Python - Stack Overflow

    Dec 15, 2011 · None vs Empty String in Python Asked 14 years, 2 months ago Modified 5 years, 8 months ago Viewed 55k times

  6. Check if value is zero or not null in python - Stack Overflow

    Jan 29, 2015 · But I do want my statement to evaluate as true if the value is not null OR the value is zero.

  7. What is the Python equivalent to assigning NULL to a pointer in C?

    The python equivalent of NULL is called None (good info here). As all objects in python are implemented via references, you can re-write your struct to look like this:

  8. Python (Cython)の `== NULL` と `is NULL`, `return` と `return None` の …

    Feb 12, 2021 · 参考までに、 Differences between C and Cython expressions では、 The null C pointer is called NULL, not 0 (and NULL is a reserved word) との記載があります。また、 self.piyo is NULL …

  9. How to check if a string is null in python - Stack Overflow

    I have a value cookie that is returned from a POST call using Python. I need to check whether the cookie value is empty or null. Thus I need a function or expression for the if condition. How can I...

  10. python - What is the difference between null=True and blank=True in ...

    In django, null=True related to the database schema, allowing for NULL values in the database, while blank=True is related to form validation, enabling fields to be left empty in form submissions.