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What is the behavior of integer division?
...@Philip Potter: I don't think it was defined in C89, and it isn't in the 1998 C++ standard. In those, of course (a / b) * b + a % b == a had to be satisfied, and the absolute value of a % b had to be less than a, but whether a % b was negative for negative a or b was not specified.
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
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Prior to C99, all declarations had to precede all statements within a block, so it wouldn't have made sense to have a label on a declaration. C99 relaxed that restriction, permitting declarations and statement to be mixed within a bloc...
What's the need of array with zero elements?
...rd and was considered a hack (as Aniket said), but it was standardized in C99. The standard format for it now is:
struct bts_action {
u16 type;
u16 size;
u8 data[];
} __attribute__ ((packed)); /* Note: the __attribute__ is irrelevant here */
Note that you don't mention any size for...
Remove plot axis values
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199
Remove numbering on x-axis or y-axis:
plot(1:10, xaxt='n')
plot(1:10, yaxt='n')
If you want ...
DataTable: Hide the Show Entries dropdown but keep the Search box
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Peter Hall
30.5k99 gold badges6565 silver badges128128 bronze badges
answered Jun 27 '17 at 11:06
NivNiv
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What does [ N … M ] mean in C aggregate initializers?
...s a GNU extension. For example,
int widths[] = { [0 ... 9] = 1, [10 ... 99] = 2, [100] = 3 };
It is not portable. Compiling with -pedantic with tell you so.
How does it work here?
The preprocessor replaces #include <asm/unistd.h> with its actual contents(it defines miscellaneous symboli...
Load data from txt with pandas
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Chrisji
29922 silver badges1313 bronze badges
answered Feb 4 '14 at 7:53
pietrovismarapietrovismara
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RSA Public Key format
...ns: SEQUENCE
4:d=1 hl=4 l= 257 prim: INTEGER :FB1199FF0733F6E805A4FD3B36CA68E94D7B974621162169C71538A539372E27F3F51DF3B08B2E111C2D6BBF9F5887F13A8DB4F1EB6DFE386C92256875212DDD00468785C18A9C96A292B067DDC71DA0D564000B8BFD80FB14C1B56744A3B5C652E8CA0EF0B6FDA64ABA47E3A4E89423C0212...
How do you get the length of a string?
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Artem BargerArtem Barger
37.8k99 gold badges5252 silver badges7878 bronze badges
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What is your favorite C programming trick? [closed]
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C99 offers some really cool stuff using anonymous arrays:
Removing pointless variables
{
int yes=1;
setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
}
becomes
setsockopt(yourSocket, SOL_SOC...