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When and why I should use session_regenerate_id()?
... is identified by his session id.
// User orders items
$shopcart->add('123', 20);
$shopcart->add('124', 18);
$shopcart->add('127', 5);
For each product added, a record is made in my shopcart table. Also identified by the session id.
// User saves cart in order to use it later
$shopcart-...
What does “%.*s” mean in printf?
...
123
You can use an asterisk (*) to pass the width specifier/precision to printf(), rather than har...
What is the dependency inversion principle and why is it important?
...
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Jul 11 '09 at 15:20
Derek Gree...
How to add JTable in JPanel with null layout?
...bleModel model = new DefaultTableModel(
new String[][] { { "a", "123"} , {"b", "456"} },
new String[] { "name", "value" } );
JTable t = new JTable(model);
JPanel panel = new JPanel(null);
JScrollPane scroll = new JScrollPane(t);
scroll.setBounds( 0, 20...
Why is the asterisk before the variable name, rather than after the type?
...
123
If you look at it another way, *myVariable is of type int, which makes some sense.
...
How do you use bcrypt for hashing passwords in PHP?
...xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// For example:
// $2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
// Usage 2:
$options = [
'cost' => 11
];
echo password_hash('rasmuslerdorf', PASSWORD_BCRYPT, $options)."\n";
// $2y$11$6DP.V0nO7YI3iSki4qog6OQI5eiO6Jnjsqg7vdnb.JgGIsxniOn4C
To ver...
How to send an email using PHP?
...
123
You could also use PHPMailer class at https://github.com/PHPMailer/PHPMailer .
It allows you ...
Effect of a Bitwise Operator on a Boolean in Java
...
123
The operators &, ^, and | are bitwise operators when the operands are primitive integral t...
How can I check if character in a string is a letter? (Python)
...
You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
share
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improve thi...
Iterate over the lines of a string
...ingIO. See docs.python.org/3/library/io.html
– Attila123
Dec 13 '18 at 11:09
1
Using StringIO is ...