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What is the meaning of pydantic models(schemas) in Python while ... Pydantic schemas define the properties and types to validate some payload. They act like a guard before you actually allow a service to fulfil a certain action (e.g. create a database object). I'm not sure if you're used to serializers, but it's pretty much the same thing except Pydantic and FastAPI integrate with newish Python 3 properties (see type checking) which makes it s
Can we have a static class in C++? - Stack Overflow 30 Jan 2013 · Nested classes automatically have static-like properties -- they are a property of the class, and not the individual object. If you wanted static-like properties for a class declared in an outer scope (i.e. not conflicting with the one-definition rule across different translation units), you can use an anonymous namespace.
What does "C-style array" mean and how does it differ from … 20 Aug 2011 · @Seth: For example, you can have a variable and a parameter with seemingly identical declarations (int arr[42];), but applying sizeof to the variable gives you the array size, while applying sizeof to the parameter gives you the size of a pointer.
What is the purpose of using -pedantic in the GCC/G++ compiler? As noted, it turns off some extensions of GCC. Adding -pedantic turns off more extensions and generates more warnings. For example, if you have a string literal longer than 509 characters, then -pedantic warns about that because it exceeds the minimum limit required by the C89 standard. That is, every C89 compiler must accept strings of length ...
Is there 'byte' data type in C++? - Stack Overflow 28 Aug 2023 · The strict, pedantic definition of a byte may well say nothing about performing arithmetic, but the strict definition is not necessarily the same as people's expectations. (Or to put it another way, there's more than one definition of 'byte'.)
What's the difference between '-Wextra' and '-pedantic' in gcc? 10 Aug 2022 · Add the -Wpedantic or -pedantic (same thing) build flag to enforce strict ISO C or ISO C++ standards and "reject all programs that use forbidden extensions". Or, conversely, add -Wno-pedantic to ENABLE extensions and turn a previously-set -Wpedantic back OFF. -Wpedantic NOT being on is the default.
Do I need -pedantic flag from GCC with C11? - Stack Overflow I'm currently running Linux Mint on my Machine with GCC-5.3 because C11 is included default.. I started learning C for myself just for fun and at that time the GCC version was 4.8 if I remember right.
What is a NullPointerException, and how do I fix it? NullPointerExceptions are exceptions that occur when you try to use a reference that points to no location in memory (null) as though it were referencing an object.
Recommended GCC warning options for C - Stack Overflow 1 Sep 2011 · gcc -m64 -std=c99 -pedantic -Wall -Wshadow -Wpointer-arith -Wcast-qual \ -Wstrict-prototypes -Wmissing-prototypes This set catches a lot for people unused to it (people whose code I get to compile with those flags for the first time); it seldom gives me a problem (though -Wcast-qual is occasionally a nuisance).
c - How to silence GCC pedantic (-Wpedantic) warning regarding ... 24 Oct 2018 · The identifier __func__ shall be implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration static const char __func__[] = "function-name"; appeared, where function-name is the name of the lexically-enclosing function. I believe that __func__ was added in C99.