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PHP Error handling: die() Vs trigger_error() Vs throw Exception
...ry {
while ($row = gather_data()) {
$db->query('INSERT INTO `table` (`foo`,`bar`) VALUES(?,?)', ...);
}
$db->query('COMMIT');
} catch(Exception $e) {
$db->query('ROLLBACK');
}
Here, if gather_data() just plain croaked (using E_USER_ERROR or die()) there's a chance, ...
How to convert a string to integer in C?
...n a liking in strtonum, so use it if you have it (but remember it's not portable):
long long
strtonum(const char *nptr, long long minval, long long maxval,
const char **errstr);
EDIT
You might also be interested in strtoumax and strtoimax which are standard functions in C99. For exampl...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...nks. any idea where I can get a reference for these like the ascii lookup tables?
– nc.
Apr 3 '09 at 0:35
1
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What characters do I need to escape in XML documents?
...e corresponding entity or the numeric reference according to the following table:
Original CharacterXML entity replacementXML numeric replacement
< &lt; &#60;...
WAMP/XAMPP is responding very slow over localhost
...had same problem, windows 8, phpmyadmin on localhost was opening one small table (29k rows) forever.. once i changed address in URL bar to 127.0.0.1 it loaded instantly.. very strange
– luky
Oct 18 '16 at 20:57
...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
... will cause this error.
Solution: store serialized data into BLOB in your table.
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Differences in boolean operators: & vs && and | vs ||
...ou're talking about the logical meaning of both operators, here you have a table-resume:
boolean a, b;
Operation Meaning Note
--------- ------- ----
a && b logical AND short-circuiting
a || b logical OR ...
What does && mean in void *p = &&abc;
... that address points to a instruction within the .text section of the executable. The .text section is the one which holds you program's (binary) code to be executed.
You can inspect this with:
objdump -x a.out
A practical example
As described in GCC, you can use this to initialize a jump table. S...
How to write a JSON file in C#?
...
@RobertHarvey Liam's Json.Net link has a nice table showing what the differences are. Coming from the people that make it, of course you should take it with a grain of salt, but it is indeed better than the built-in things.
– Tim S.
...
How to prevent gcc optimizing some statements in C?
In order to make a page dirty (switching on the dirty bit in the page table entry), I touch the first bytes of the page like this:
...