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GOTO still considered harmful? [closed]
...h the structure of the data. For example, a repeating data structure (e.g. array, sequential file, etc.) is naturally processed by a repeated unit of code. Having built-in structures (e.g. while, for, until, for-each, etc.) allows the programmer to avoid the tedium of repeating the same cliched code...
Appending an element to the end of a list in Scala
...ce)
Instead of using lists for such use cases, I suggest to either use an ArrayBuffer or a ListBuffer. Those datastructures are designed to have new elements added.
Finally, after all your operations are done, the buffer then can be converted into a list. See the following REPL example:
scala>...
How do I create a parameterized SQL query? Why Should I?
...t into squip values(null,?,?)';
$statement=$dbh->prepare($sql);
$data=array('my user supplied data','more stuff');
$statement->execute($data);
if($statement->rowCount()==1){/*it worked*/}
This takes care of escaping your data for database insertion.
One advantage is that you can repe...
Copy/duplicate database without using mysqldump
...);
$getTables = $admin->query("SHOW TABLES");
$tables = array();
while($row = mysql_fetch_row($getTables)){
$tables[] = $row[0];
}
$createTable = mysql_query("CREATE DATABASE `$newDbName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;") or die(mys...
Why is the clone() method protected in java.lang.Object?
...face Cloneable, then a CloneNotSupportedException is thrown. Note that all arrays are considered to implement the interface Cloneable. Otherwise, this method creates a new instance of the class of this object and initializes all its fields with exactly the contents of the corresponding fields of thi...
How to change colors of a Drawable in Android?
...you put more than 20 colors.You need insert greather then twenty colors in array because else it crashes with java.lang.ArrayIndexOutOfBoundsException
– AlexPad
Apr 10 '19 at 20:09
...
Rails params explained?
...ould be "2".
The Ruby on Rails params are the equivalent of the $_REQUEST array in PHP.
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How can javascript upload a blob?
...e contents of upload.php:
<?
// pull the raw binary data from the POST array
$data = substr($_POST['data'], strpos($_POST['data'], ",") + 1);
// decode it
$decodedData = base64_decode($data);
// print out the raw data,
echo ($decodedData);
$filename = "test.txt";
// write the data out to the fi...
Collisions when generating UUIDs in JavaScript?
...-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
}
console.log(uuidv4());
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Get Root Directory Path of a PHP project
...he form of /var/public/www" then using this method the first string in the array will be empty (0)/(1)/(2)/(3). the root will be the second string $pathInPieces[1]
– tbradley22
May 11 '13 at 2:04
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