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Should struct definitions go in .h or .c file?
...r version:
#include "api.h"
void good(struct s *foo)
{
api_func(foo, 123);
}
This one pokes around in the implementation details:
#include "api.h"
void bad(struct s *foo)
{
foo->internal = 123;
}
which will work with the "definition in header" version, but not with the "definition...
When to use ref and when it is not necessary in C#
...mean it's good. It would have been better if rather than if (int.TryParse("123", out var theInt) { /* use theInt */ } we had var candidate = int.TrialParse("123"); if (candidate.Parsed) { /* do something with candidate.Value */ } It is more code, but is much more consistent with the C# language desi...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...a generated id after inserting.
INSERT INTO my_profile (Address) VALUES ('123 Fake St.');
SELECT CAST(scope_identity() AS int)
ExecuteReader gives you a data reader
back which will allow you to read all
of the columns of the results a row
at a time.
An example would be pulling profile informati...
What is the best Java email address validation method? [closed]
...tor, and "clearly", they are not valid. Here we go: ., .com, com., abc and 123. Also, adding leading or trailing white space do not invalidate the strings either. You be the judge!
– Martin Andersson
Mar 19 '13 at 21:12
...
Pretty-print C++ STL containers
...sert("hello");
j.insert("world");
double k[] = { 1.1, 2.2, M_PI, -1.0/123.0 };
std::cout << i << "\n" << j << "\n" << k << "\n";
}
It currently only works with vector and set, but can be made to work with most containers, just by expanding on the IsConta...
Hide options in a select list using jQuery
...Nov 17 '10 at 13:17
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print call stack in C or C++
... /home/ciro/test/dwfl.cpp:112
3: 0x402de0 main at /home/ciro/test/dwfl.cpp:123
4: 0x7f7efabbe1e3 __libc_start_main at ../csu/libc-start.c:342
5: 0x40253e _start at ../csu/libc-start.c:-1
0: 0x402b74 stacktrace[abi:cxx11]() at /home/ciro/test/dwfl.cpp:65
1: 0x402ce0 my_func_2() at /home/ciro/test/dw...
How to check for an active Internet connection on iOS or macOS?
...
123
This used to be the correct answer, but it is now outdated as you should subscribe to notifica...
How to kill all processes with a given partial name? [closed]
...one go, you don't need a loop for that. If the ps returns three processes 123, 234, and 345, you can kill 123 234 345 just like you can rm or cat multiple file arguments.
– tripleee
Jul 9 '12 at 7:49
...
Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...t;> makefuns
ans =
Done importing functions to workspace
>> fun1(123)
ans =
123
>> fun2()
ans =
1
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