I\'m trying to receive some data in my BroadcastReceiver which is called by a ListActivity. It is called, I\'ve tested it, but getExtras always returns NULL.
My question is pretty simple: On the iPhone/iPad simulator, when you push a nil view Controller, you are greeted by the gracious message
So this is my conclusion of the real problem from a question I asked earlier here: SQL Select Query with CodeIgniter's active records and 'where sha1' returns first row entry
when comparing string to see if it is empt开发者_如何学JAVAy, is there any difference between: if($string==NULL){
I frequently find myself having to do an extra nil check (to avoid throwing an \'undefined for nil\' error) that I\'m pretty sure is unnecessary.
a function can return null, but is there any way for the new instance of a function to return null? for example, in this 开发者_开发问答silly code (strictly for purposes of illustration)
I got the following code: public class Alarm:IDisposable { MemoryStream _tmp; readonly XmlDocument _doc; private readonly XmlSerializerNamespaces _ns;
We have a Table which is really a 2D array where each (Row, Column) represents a particular piece of data, for example (1,4) might represent the Location and (2,4) might represent the Price of pizza.
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I have aquestion related with NULL values I am connecting to SQL Server 2008 via ADO following the code:
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