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Detect when an image fails to load in Javascript
...y wouldn't try and load an image that isn't there.
– PHP Guru
Feb 12 at 19:29
1
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How do I get the entity that represents the current user in Symfony2?
...ct the Security service via auto-wiring in the controller like this:
<?php
use Symfony\Component\Security\Core\Security;
class SomeClass
{
/**
* @var Security
*/
private $security;
public function __construct(Security $security)
{
$this->security = $securit...
How do you implement a good profanity filter?
... some good examples as to how arrays can be used flexibly.
For additional PHP programming examples, see this page for a somewhat advanced generic class for word filtering that *'s out the center letters from censored words, and this previous Stack Overflow question that also has a PHP example (the ...
Can I store images in MySQL [duplicate]
...ation. I want it that for each image, there should be a thumb created with PHP (which is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save the thumbs as physical files on the drive.)
Does MySQL allow saving and retriev...
Git merge left HEAD marks in my files
...bin/bash
for f in $(grep -Rl '^>>>>>>> ' --include="*.php" --include="*.css" --include="*.js" --include="*.html" --include="*.svg" --include="*.txt" .)
do
sed -i -e '/^=======/,/^>>>>>>> /d' -e '/^<<<<<<< /d' $f
sed -i -e '/^>>>...
How do I create a parameterized SQL query? Why Should I?
...ple would do this through a server side programming language library, like PHP's PDO or Perl DBI.
For instance, in PDO:
$dbh=pdo_connect(); //you need a connection function, returns a pdo db connection
$sql='insert into squip values(null,?,?)';
$statement=$dbh->prepare($sql);
$data=array('my...
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
...l, session is unique for your script-run after connect(). When pooling ... PHP for SQL Server uses ODBC connection pooling. When a connection from the pool is used, the connection state is reset. Closing the connection returns the connection to the pool. (note: see remarks for linux/mac) docs.micros...
How to add an Access-Control-Allow-Origin header
...
In your file.php of request ajax, can set value header.
<?php header('Access-Control-Allow-Origin: *'); //for all ?>
share
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imp...
Facebook access token server-side validation for iPhone app
...ate function facebookRequestMe($access_token)
{
include_once "facebook.php";
$facebook = new Facebook(array(
"appId" => "your_application_id",
"secret" => "your_application_secret"
));
$facebook->setAccessToken($access_token);
return $facebook->api("/...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...至它即便不是一个CDerived你也可以这样做。
当然，这个问题只在如果你做了多继承时发生。在你将CDerived转换 到 CBaseX时static_cast<> 和 reinterpret_cast<>是没有区别的。
情况3：void*之间的向前和向后转换
因为任何指针可以被转...