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How would one write object-oriented code in C? [closed]
...r an object, something like:
typedef struct {
int (*open)(void *self, char *fspec);
int (*close)(void *self);
int (*read)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
int (*write)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
// And data goes here.
} tCo...
Reserved keywords in JavaScript
... int native new.
Else, delete null public var
In return for const, true, char
…Finally catch byte.
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How do I disable the 'Debug / Close Application' dialog on Windows Vista?
... tests!\n");
exit(1);
}
int runtime_check_handler(int errorType, const char *filename, int linenumber, const char *moduleName, const char *format, ...)
{
printf("Error type %d at %s line %d in %s", errorType, filename, linenumber, moduleName);
exit(1);
}
int main()
{
DWORD dwMode = ...
Which iomanip manipulators are 'sticky'?
...
Important notes from the comments below:
By Martin:
@Chareles: Then by this requirement all manipulators are sticky. Except setw which seems to be reset after use.
By Charles:
Exactly! and the only reason that setw appears to behave differently is because there are requ...
Why can I add named properties to an array as if it were an object?
...cts, just slightly modified (with a few more functions).
Functions like:
concat
every
filer
forEach
join
indexOf
lastIndexOf
map
pop
push
reverse
shift
slice
some
sort
splice
toSource
toString
unshift
valueOf
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How to get a date in YYYY-MM-DD format from a TSQL datetime field?
...
SELECT CONVERT(char(10), GetDate(),126)
Limiting the size of the varchar chops of the hour portion that you don't want.
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Converting an int to std::string
... int length = snprintf( NULL, 0, "%d", x );
assert( length >= 0 );
char* buf = new char[length + 1];
snprintf( buf, length + 1, "%d", x );
std::string str( buf );
delete[] buf;
return str;
}
You can do more with it. Just use "%g" to convert float or double to string, use "%x" to co...
COUNT DISTINCT with CONDITIONS
...bination of Tag & Entry ID when [Entry Id]>0
select count(distinct(concat(tag,entryId)))
from customers
where id>0
In the output it will display the count of unique values
Hope this helps
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What are Aggregates and PODs and how/why are they special?
...valent to int a[3] = {1, 2, 3};
When an object of scalar type (bool, int, char, double, pointers, etc.) is value-initialized it means it is initialized with 0 for that type (false for bool, 0.0 for double, etc.). When an object of class type with a user-declared default constructor is value-initial...
How can I get a JavaScript stack trace when I throw an exception?
...trace() {
function st2(f) {
return !f ? [] :
st2(f.caller).concat([f.toString().split('(')[0].substring(9) + '(' + f.arguments.join(',') + ')']);
}
return st2(arguments.callee.caller);
}
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