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JSON encode MySQL results
...
$sth = mysqli_query($conn, "SELECT ...");
$rows = array();
while($r = mysqli_fetch_assoc($sth)) {
$rows[] = $r;
}
print json_encode($rows);
The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here
NOTE: mysql is deprecated as of PHP 5.5....
Fastest way to convert Image to Byte array
... method to achieve this goal?
No. In order to convert an image to a byte array you have to specify an image format - just as you have to specify an encoding when you convert text to a byte array.
If you're worried about compression artefacts, pick a lossless format. If you're worried about CPU re...
Java: how to initialize String[]?
...w String[100]; // <--initialized statement
You need to initialize the array so it can allocate the correct memory storage for the String elements before you can start setting the index.
If you only declare the array (as you did) there is no memory allocated for the String elements, but only a ...
Last iteration of enhanced for loop in java
...here, and StringBuilder has a perfectly good append(int) overload.)
int[] array = {1, 2, 3...};
StringBuilder builder = new StringBuilder();
for (int i : array) {
if (builder.length() != 0) {
builder.append(",");
}
builder.append(i);
}
The nice thing about this is that it wil...
Why shouldn't I use mysql_* functions in PHP?
...nnection management ¶
You can also pass in several driver options as an array to the fourth parameter. I recommend passing the parameter which puts PDO into exception mode. Because some PDO drivers don't support native prepared statements, so PDO performs emulation of the prepare. It also lets yo...
console.log timestamps in Chrome?
...mp = new Date().toJSON();
if (arguments.length)
{
// True array copy so we can call .splice()
var args = Array.prototype.slice.call(arguments, 0);
// If there is a format string then... it must
// be a string
if (typeof arguments[0] === "string")
...
How do I PHP-unserialize a jQuery-serialized form?
...omeOtherVal"
...something like this is probably all you need:
$params = array();
parse_str($_GET, $params);
$params should then be an array modeled how you would expect. Note this works also with HTML arrays.
See the following for more information:
http://www.php.net/manual/en/function.parse-...
Getting visitors country from their IP
... $_SERVER['HTTP_CLIENT_IP'];
}
}
$purpose = str_replace(array("name", "\n", "\t", " ", "-", "_"), NULL, strtolower(trim($purpose)));
$support = array("country", "countrycode", "state", "region", "city", "location", "address");
$continents = array(
"AF" => "Af...
How do I iterate over an NSArray?
I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
8 Answers
...
Why is the use of alloca() not considered good practice?
...really no problem with it that you wouldn't also have with declaring large arrays?
– T.E.D.
Jun 19 '09 at 16:32
95
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