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Rails: How does the respond_to block work?
...reate a json api on your rails back-end, and only pass one view - like the index view of your Post controller. Then you could use a javascript library like Jquery or Backbone (or both) to manipulate data and create your own interface. These are called asynchronous UIs and they are becomming really...
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or direc...
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or directory）错误如下：In file included from data xingzheng install php-5.5.10 include php Zend zend_compile.h:719, from ...错误如下：
In file included from /data/xingzheng/install/php-5.5.10/include/php/...
Saving timestamp in mysql table using php
...But when I pass the timestamp ( 1299762201428 ) to the record, it automatically saves the value 0000-00-00 00:00:00 into that table.
...
Grabbing the href attribute of an A element
...ml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( 'href' );
To get the href att...
JavaScript isset() equivalent
...
I generally use the typeof operator:
if (typeof obj.foo !== 'undefined') {
// your code here
}
It will return "undefined" either if the property doesn't exist or its value is undefined.
(See also: Difference between undefi...
Pass a PHP array to a JavaScript function [duplicate]
I am trying to get a PHP array variable into a JavaScript variable.
4 Answers
4
...
PHP String to Float
I am not familiar with PHP at all and had a quick question.
8 Answers
8
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PHP mailer multiple address [duplicate]
...
You need to call the AddAddress method once for every recipient. Like so:
$mail->AddAddress('person1@domain.com', 'Person One');
$mail->AddAddress('person2@domain.com', 'Person Two');
// ..
Better yet, add them as Carbon Copy rec...
Equivalent of String.format in jQuery
...n't have all the fancy number formatting stuff, obviously. blog.stevex.net/index.php/string-formatting-in-csharp
– Nosredna
Jun 24 '09 at 15:09
...
ALTER TABLE to add a composite primary key
...
They both enforce uniqueness on that set of three fields, however from an indexing standpoint there is a difference. The fields are indexed from left to right.
For example, consider the following queries:
A) SELECT person, place, thing FROM provider WHERE person = 'foo' AND thing = 'bar';
B) SELE...