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What is an ORM, how does it work, and how should I use one? [closed]
...inciples. There are a lot of ORM libraries around here:
Java: Hibernate.
PHP: Propel or Doctrine (I prefer the last one).
Python: the Django ORM or SQLAlchemy (My favorite ORM library ever).
C#: NHibernate or Entity Framework
If you want to try an ORM library in Web programming, you'd be better ...
How to save picture to iPhone photo library?
... AssetsLibrary framework
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
if (error) {
// TODO: error handlin...
Do I need to close() both FileReader and BufferedReader?
...critical it is that you don't deprive the OS of resources it might want to allocate to other programs.
The Closeable interface can be used if a wrapper constructor is likely to fail in Java 5 or 6:
Reader reader = new FileReader(fileName);
Closeable resource = reader;
try {
BufferedReader buffer...
How do I catch an Ajax query post error?
...Since jQuery 1.5 you can use the deferred objects mechanism:
$.post('some.php', {name: 'John'})
.done(function(msg){ })
.fail(function(xhr, status, error) {
// error handling
});
Another way is using .ajax:
$.ajax({
type: "POST",
url: "some.php",
data: "name=John&l...
How to prevent buttons from submitting forms
...xample: on a Login ... with some restrictions... like not allow to be used PHP sessions and neither cookies are allowed!
So any link must be converted to such form submit, so the login data is not lost.
When no login is yet done, it must also work. So no validation must be performed on links.
But I...
How do I convert datetime to ISO 8601 in PHP
...mat(DateTime::ATOM); // Updated ISO8601
Procedural
For older versions of PHP, or if you are more comfortable with procedural code.
echo date(DATE_ISO8601, strtotime('2010-12-30 23:21:46'));
share
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...
Correctly determine if date string is a valid date in that format
...t;format($format) === $date;
}
[Function taken from this answer. Also on php.net. Originally written by Glavić.]
Test cases:
var_dump(validateDate('2013-13-01')); // false
var_dump(validateDate('20132-13-01')); // false
var_dump(validateDate('2013-11-32')); // false
var_dump(validateDate('2...
Import CSV to mysql table
...
Here's a simple PHP command line script that will do what you need:
<?php
$host = 'localhost';
$user = 'root';
$pass = '';
$database = 'database';
$db = mysql_connect($host, $user, $pass);
mysql_query("use $database", $db);
/*********...
What does android:layout_weight mean?
...l, layout_weight specifies how much of the extra space in the layout to be allocated to the View.
LinearLayout supports assigning a weight to individual children. This attribute assigns an "importance" value to a view, and allows it to expand to fill any remaining space in the parent view. Views' de...
Unsafe JavaScript attempt to access frame with URL
...my is referring to is a server side proxy. See e.g. benalman.com/projects/php-simple-proxy or developer.yahoo.com/javascript/howto-proxy.html or google.com/… or René de Kat's solution at stackoverflow.com/a/11224975/27938
– Oskar Austegard
Nov 19 '12 at 14:...