How does the C compiler treat -10u? - Stack Overflow
Mar 1, 2017 · A consequence of this behavior is that when you add 10 to - 10u, the result is "one greater than the largest value that can be represented by the resulting type", so it gets truncated to zero. …
What's the point in specifying unsigned integers with "U"?
May 2, 2017 · 10 is a signed int. 10U is an unsigned int. So maybe you are doing this to avoid implicit type conversions. In most scenarios, though (and in the example you posted, for sure), the implicit …
c - What does 'u' mean after a number? - Stack Overflow
Feb 1, 2021 · Can you tell me what exactly does the u after a number, for example: #define NAME_DEFINE 1u
c++ - Meaning of U suffix - Stack Overflow
Feb 26, 2018 · What does the postfix (or suffix) U mean for the following values? 0U 100U
compiler warning "warning: iteration 10u invokes undefined behavior ...
Nov 26, 2020 · In function 'int main()': 37:20: warning: iteration 10u invokes undefined behavior [-Waggressive-loop-optimizations] 30:3: note: containing loop I don't understand why xor ing the M[i] …
logging - Understanding IIS 7 log files - Stack Overflow
Oct 9, 2014 · I'm trying to debug a 405 error that is occurring in an ASP.NET 4.0 website with a jQuery AJAX post, and I've got the following from an IIS log file. 2012-07-02 15:15 ...
Use typecast or use trailing data type identifier. (uint16_t)10 or 10u?
May 23, 2017 · The expression 10u will yield type unsigned regardless of the size of unsigned, while the expression (uint16_t)n will yield unsigned value on platforms where int cannot represent all values 0 …
Define a table length using sizeof in C - Stack Overflow
Apr 6, 2020 · I want to declare a table where its size depends on another table: unsigned char Tab1 [] = { 10u, 11u, 12u, 15u }; unsigned char Tab2 [sizeof (Tab1) / sizeof (Tab1 [0])]; Is there any way to …
pointers - How to printf a memory address in C - Stack Overflow
May 20, 2015 · The standard requires that the argument is of type void* for %p specifier. Since, printf is a variadic function, there's no implicit conversion to void * from T * which would happen implicitly for …
C++ Int bit manipulating is 2UL = 10UL? - Stack Overflow
Feb 19, 2012 · I have a quick question. I've been playing around with bit manipulation in c/c++ for a while and I recently discovered that when I compare 2UL and 10UL to a regular unsigned int they …