How do function pointers in C work? - Stack Overflow
May 8, 2009 · 356 Function pointers in C can be used to perform object-oriented programming in C. For example, the following lines is written in C: String s1 = newString(); s1->set(s1, "hello"); …
What's the difference between __PRETTY_FUNCTION__, …
Dec 29, 2023 · The documentation says: constexpr const char* function_name () const noexcept; 6 Returns: If this object represents a position in the body of a function, returns an …
Understanding .get () method in Python - Stack Overflow
To understand what is going on, let's take one letter (repeated more than once) in the sentence string and follow what happens when it goes through the loop. Remember that we start off with …
How do I define a function with optional arguments?
How do I define a function with optional arguments? Asked 13 years, 3 months ago Modified 11 months ago Viewed 1.2m times
What does (function($) {})(jQuery); mean? - Stack Overflow
May 30, 2010 · Line 2 is a plain function, wrapped in parenthesis to tell the runtime to return the function to the parent scope, once it's returned the function is executed using line 4, maybe …
python - `from ... import` vs `import .` - Stack Overflow
Feb 25, 2012 · Many people have already explained about import vs from, so I want to try to explain a bit more under the hood, where the actual difference lies. First of all, let me explain …
Python NameError: name is not defined - Stack Overflow
Feb 11, 2013 · The solution to this problem is to invoke your classes and functions after you define them. Python does not have any way to forward declare classes or methods so the only …
How to encode text to base64 in python - Stack Overflow
Apr 19, 2014 · The bytes function creates a bytes object from the string "your_string" using UTF-8 encoding. In Python, bytes represents a sequence of bits and UTF-8 specifies the character …
Creating a new column based on if-elif-else condition
I have a DataFrame df: A B a 2 2 b 3 1 c 1 3 I want to create a new column based on the following criteria: if row A == B: 0 if rowA > B: 1 if row A < B: -1 so gi...
How to generate random strings in Python? - Stack Overflow
Mar 17, 2022 · This function returns random bytes from an OS-specific randomness source. The returned data should be unpredictable enough for cryptographic applications, though its exact …