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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
...
Chrisji
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answered Feb 4 '14 at 7:53
pietrovismarapietrovismara
...
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?
...
Artem BargerArtem Barger
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...
What is your favorite C programming trick? [closed]
...
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...
Convert objective-c typedef to its string equivalent
...
eldarerathis
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answered Jul 7 '09 at 21:41
Barry WarkBarry Wark
...
How does the main() method work in C?
...supported forms of main so this approach is feasible.
Compilers for the C99 language always have to treat main specially, to some extent, to support the hack that if the function terminates without a return statement, the behavior is as if return 0 were executed. This, again, can be treated by a ...
Correct format specifier to print pointer or address?
... in format between different platforms, is the standard %p notation.
The C99 standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8:
p The argument shall be a pointer to void. The value of the pointer is
converted to a sequence of printing characters, in an implementation-defined
manner.
(In...
SQL to find the number of distinct values in a column
...
Paul JamesPaul James
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60
...
Creating and Update Laravel Eloquent
...re is:
// If there's a flight from Oakland to San Diego, set the price to $99.
// If no matching model exists, create one.
$flight = App\Flight::updateOrCreate(
['departure' => 'Oakland', 'destination' => 'San Diego'],
['price' => 99]
);
which pretty much clears everything.
Query B...