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Use of alloc init instead of new
... of reasons here: http://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
...
AJAX Mailchimp signup form integration
...// grab an API Key from http://admin.mailchimp.com/account/api/
$api = new MCAPI('123456789-us2');
$merge_vars = Array(
'EMAIL' => $_GET['email'],
'FNAME' => $_GET['fname'],
'LNAME' => $_GET['lname']
);
// grab your List's Unique Id by going to ht...
Asp.net 4.0 has not been registered
...
With a new machine, I've got the same problem, but the old fix is not working. The Visual Studio command prompt opens for me at: C:\Program Files <x86>\Microsoft Visual Studio 10.0\Common7\IDE ...and entering "aspnet_regiis ...
Count how many records are in a CSV Python?
...
answered Apr 19 '13 at 15:51
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32193219 silver badges28102810 bronze badges
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Why would a static nested interface be used in Java?
...xpect it to be used only from the outer class, so that you do not create a new top-level name. For example:
public class Foo {
public interface Bar {
void callback();
}
public static void registerCallback(Bar bar) {...}
}
// ...elsewhere...
Foo.registerCallback(new Foo.Bar() {
...
What's the pythonic way to use getters and setters?
... 'value' # would error
obj.get_or_set = 'value'
obj.get_set_or_delete = 'new value'
the_value = obj.get_only
del obj.get_set_or_delete
# del obj.get_or_set # would error
I'm not sure where this would be useful, but the use-case is if you want a get, set, and/or delete-only property. Probably bes...
onSaveInstanceState () and onRestoreInstanceState ()
...nt to maintain in the Intent you use to start activity A.
Intent intent = new Intent(this, ActivityA.class);
intent.putExtra("bundle", theBundledData);
startActivity(intent);
Activity A would have to pass this back to Activity B. You would retrieve the intent in Activity B's onCreate method.
Int...
How to hide action bar before activity is created, and then show it again?
..._ACTION_BAR);
// delaying the hiding of the ActionBar
Handler h = new Handler();
h.post(new Runnable() {
@Override
public void run() {
getActionBar().hide();
}
});
The same thing can be achieved with:
protected void onPostResume() {
su...
Abstract class in Java
...y for the JVM to know what it's supposed to do when it gets something like new ImplementingClass().abstractMethod().
Here's a correct ImplementingClass.
public class ImplementingClass extends AbstractClass
{
public void abstractMethod() { System.out.print("abstractMethod()"); }
}
Notice that...
Reverting a single file to a previous version in git [duplicate]
...s the version of the file we want. Once we know that, we'll need to make a new commit reverting the file to that state. (We can't just muck around with history, because we've already pushed this content, and editing history messes with everyone else.)
So let's start with finding the right commit. Y...