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How to empty a list?
...explanation of del, I'd refer to the docs: docs.python.org/reference/simple_stmts.html#the-del-statement
– fortran
Sep 9 '09 at 16:28
14
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How to change Vagrant 'default' machine name?
...onfigure('2') do |config|
config.vm.box = "precise64"
config.vm.box_url = "http://files.vagrantup.com/precise64.box"
end
VirtualBox GUI Name: "nametest_default_1386347922"
Comments: The name defaults to the format DIRECTORY_default_TIMESTAMP.
Define VM
Vagrant.configure('2') do |config...
How to close tag properly?
...'stackoverflow.png' />
(Though not stricly required, an alt attribute _usually_ should also be included).
That said, your HTML5 page will probably display as intended because browsers will rewrite or interpret your html to what it thinks you meant. That may mean it turns a tag, for example...
Dual emission of constructor symbols
...rding to the ABI, the mangled name for your Thing::foo() is easily parsed:
_Z | N | 5Thing | 3foo | E | v
prefix | nested | `Thing` | `foo`| end nested | parameters: `void`
You can read the constructor names similarly, as below. Notice how the constructor "name" isn't given, but ...
How to bind a List to a ComboBox?
... public IList<City> Cities { get; set; }
public Country(string _name)
{
Cities = new List<City>();
Name = _name;
}
}
List<Country> countries = new List<Country> { new Country("UK"),
new Country("Australia...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
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How to let PHP to create subdomain automatically for each user?
...e rule for grabbing the subdomain would look like this:
RewriteCond %{HTTP_HOST} ^(^.*)\.mywebsite.com
RewriteRule (.*) dostuff.php?username=%1
share
|
improve this answer
|
...
PHP ORMs: Doctrine vs. Propel
...items = ExamplePeer::doSelectJoinFoobar($c);
// Doctrine
$items = Doctrine_Query::create()
->from('Example e')
->leftJoin('e.Foobar')
->where('e.id = ?', 20)
->execute();
?>
(Doctrine's implementation is much more intuitive to me).
Also, I really prefer...
Why aren't pointers initialized with NULL by default?
... compatibility. The idea has been considered in conjunction with "int* x = __uninitialized" - safety by default, speed by intent.
– MSalters
Dec 16 '09 at 10:22
4
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Is it possible to Turn page programmatically in UIPageViewController?
...onDirection)direction {
NSUInteger pageIndex = ((FooViewController *) [_pageViewController.viewControllers objectAtIndex:0]).pageIndex;
if (direction == UIPageViewControllerNavigationDirectionForward) {
pageIndex++;
}
else {
pageIndex--;
}
FooViewController ...