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What's the difference between '$(this)' and 'this'?
...h the current element. This element comes from the jQuery object's element array. Each jQuery object constructed contains an array of elements which match the selectorjQuery API that was used to instantiate the jQuery object.
$(selector) calls the jQuery function (remember that $ is a reference to...
What does {0} mean when initializing an object?
...of an aggregate from section 8.5.1 of the ISO spec:
An aggregate is an array or a class with no user-declared constructors, no private or protected non-static data members, no base classes, and no virtual functions.
Now, using {0} to initialize an aggregate like this is basically a trick to 0 ...
Assert equals between 2 Lists in Junit
...'t around then. But now, it's easy to just do this:
@Test
public void test_array_pass()
{
List<String> actual = Arrays.asList("fee", "fi", "foe");
List<String> expected = Arrays.asList("fee", "fi", "foe");
assertThat(actual, is(expected));
assertThat(actual, is(not(expected)));
...
How do I conditionally apply CSS styles in AngularJS?
...uate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of class names to boolean values
Assuming your items are displayed using ng-repeat over some array model, and that when the checkbox for an item is checked you want to apply the pending-del...
MySQL, Check if a column exists in a table with SQL
...mysql_query("SELECT * FROM `my_table_name` LIMIT 1");
$mycol = mysql_fetch_array($chkcol);
if(!isset($mycol['my_new_column']))
mysql_query("ALTER TABLE `my_table_name` ADD `my_new_column` BOOL NOT NULL DEFAULT '0'");
shar...
Why is sizeof considered an operator?
... I believe things are more complex nowadays due to variable-length arrays (VLA). IIRC, the standard would even allow sizeof to have side effects if there is a VLA in the expression.
– Aaron McDaid
Jan 27 '15 at 10:53
...
How to store a list in a column of a database table
...oad it.
If you want a good way to do this sort of thing there are usually array-or-similar types available. Postgres for instance, offers array as a type, and lets you store an array of text, if that's what you want, and there are similar tricks for MySql and MS SQL using JSON, and IBM's DB2 offer ...
What is 'YTowOnt9'?
...
It seems to be a PHP-serialized empty array, base 64 encoded.
$ base64 -D <<< 'YTowOnt9'
a:0:{}
$ php -r 'var_dump(unserialize(base64_decode("YTowOnt9")));'
array(0) {
}
There are many scripts that serialize arrays of data. When the arrays have data, ...
CodeIgniter: Create new helper?
I need to loop lot of arrays in different ways and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
...
What is the use of Enumerable.Zip extension method in Linq?
... );
This is useful when you have data spread into simple, array-like lists, each with the same length and order, and each describing a different property of the same set of objects. Zip helps you knit those pieces of data together into a more coherent structure.
So if you have an ...