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Dynamically generating a QR code with PHP [closed]
... attached 2 examples in PHP from http://phpqrcode.sourceforge.net/examples/index.php
1. QR code encoder
first include the library from your local path
include('../qrlib.php');
then to output the image directly as PNG stream do for example:
QRcode::png('your texte here...');
to save the resul...
How do I convert a string to a number in PHP?
...e from a moth names array. Auto casting doesn't happen here because string indexes are valid, but not equivalent.
– Cazuma Nii Cavalcanti
Jan 30 '13 at 20:39
20
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CodeIgniter: Create new helper?
...o it.
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
if ( ! function_exists('test_method'))
{
function test_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to ...
How do you Encrypt and Decrypt a PHP String?
... You may also use GCM (which removes the need for a separate MAC). Additionally, ChaCha20 and Salsa20 (provided by libsodium) are stream ciphers and do not need special modes.
Unless you chose GCM above, you should authenticate the ciphertext with HMAC-SHA-256 (or, for the stream ciphers, Poly1305 -...
Servlet for serving static content
...
Just be careful with index files (index.html) since they may take precedence over your servlet.
– Andres
Dec 11 '15 at 15:43
...
Most used parts of Boost [closed]
...er containers and auto_ptr. I now mostly agree to this: bureau14.fr/blogea/index.php/2009/08/…
– amit
Jun 24 '10 at 7:58
1
...
Binary Data in MySQL [closed]
...Y will work most of the time. They have the added benefit of being able to index on them.
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How does the SQL injection from the “Bobby Tables” XKCD comic work?
...EXT PRIMARY KEY);
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "students_pkey" for table "students"
CREATE TABLE
school=> INSERT INTO students VALUES ('John');
INSERT 0 1
Let's assume the application uses the following SQL to insert data into the table:
INSERT INTO students VA...
What exactly are late static bindings in PHP?
...s in the PHP manual. However, I'll try to give you a quick summary.
Basically, it boils down to the fact that the self keyword does not follow the same rules of inheritance. self always resolves to the class in which it is used. This means that if you make a method in a parent class and call it ...
how to detect search engine bots with php?
...ming to them. It also depends on utility. I wouldn't use this to strip out all CSS, but I would use this to not store cookies, ignore location logging, or skip a landing page.
– JonShipman
Mar 26 '15 at 21:28
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