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notifyDataSetChange not working from custom adapter
When I repopulate my ListView , I call a specific method from my Adapter .
11 Answers
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Why does the C++ map type argument require an empty constructor when using []?
...ns a reference to the object
that is associated with a particular
key. If the map does not already
contain such an object, operator[]
inserts the default object
data_type().
If you don't have default constructor you can use insert/find functions.
Following example works fine:
myMap.inse...
Generic type parameter naming convention for Java (with multiple chars)?
...dy know about, and with good reason: Without this convention, it would be difficult to tell the difference between a type variable and an ordinary class or interface name.
The most commonly used type parameter names are:
E - Element (used extensively by the Java Collections Framework)
K - Key
N - N...
Django REST framework: non-model serializer
...ired calculations and returns its results in a tuple to the REST api view. If JSON and/or XML fits your needs, django-rest-framework will take care of the serialization for you.
You can skip steps 2 and 3 in this case, and just use one class for calculations and one for presentation to the API cons...
How do I use cascade delete with SQL Server?
...raint_object_id
AND t.OBJECT_ID = fc.referenced_object_id
ORDER BY 1
And if you ever find that you can't DROP a particular table due to a Foreign Key constraint, but you can't work out which FK is causing the problem, then you can run this command:
sp_help 'TableName'
The SQL in that article li...
Postgres could not connect to server
... -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8 removed my old databases and then reinitialized the postgres db schema.
Thanks to https://gi...
Xcode variables
...o use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
...
What causes javac to issue the “uses unchecked or unsafe operations” warning
...
This comes up in Java 5 and later if you're using collections without type specifiers (e.g., Arraylist() instead of ArrayList<String>()). It means that the compiler can't check that you're using the collection in a type-safe way, using generics.
To ge...
How to effectively work with multiple files in Vim
...h> you can add a new tab; and with a regular :q or :wq you close a tab.
If you map :tabn and :tabp to your F7/F8 keys you can easily switch between files.
If there are not that many files or you don't have Vim 7 you can also split your screen in multiple files: :sp <filepath>. Then you can...
What is the difference between functional and non functional requirement? [closed]
What is the difference between functional and non-functional requirements in the context of designing a software system?
...