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PDO closing connection
...
close the connection, you need to destroy the object by ensuring that
all remaining references to it are deleted--you do this by assigning
NULL to the variable that holds the object. If you don't do this
explicitly, PHP will automatically close the connection when your
script ends.
Note...
Replace input type=file by an image
... position:relative;
background-color:#ccc;
}
label span input {
z-index: 999;
line-height: 0;
font-size: 50px;
position: absolute;
top: -2px;
left: -700px;
opacity: 0;
filter: alpha(opacity = 0);
-ms-filter: "alpha(opacity=0)";
cursor: pointer;
_curso...
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...
What is the size limit of a post request?
...o:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
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How do you debug PHP scripts? [closed]
...r_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south.
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PHP mkdir: Permission denied problem
...te permissions on the directory.
Here's what you do in Ubuntu
Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R...
How to enable cURL in PHP / XAMPP
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On Debian with Apache 2:
apt-get install php5-curl
/etc/init.d/apache2 restart
(php4-curl if it's php4)
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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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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
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Get the latest record from mongodb collection
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I need a query with constant time response
By default, the indexes in MongoDB are B-Trees. Searching a B-Tree is a O(logN) operation, so even find({_id:...}) will not provide constant time, O(1) responses.
That stated, you can also sort by the _id if you are using ObjectId for you I...