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Using GSON to parse a JSON array
..."
}, {
"number": "2",
"title": "hello_world"
}
]
and
Wrapper[] data = gson.fromJson(jElement, Wrapper[].class);
should work fine.
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Django self-referential foreign key
I'm kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a model ("CategoryModel") with a field that points to the primary id of another instance of the model (its parent).
...
How To Change DataType of a DataColumn in a DataTable?
...d with data. However, you can clone the Data table, change the column type and load data from previous data table to the cloned table as shown below.
DataTable dtCloned = dt.Clone();
dtCloned.Columns[0].DataType = typeof(Int32);
foreach (DataRow row in dt.Rows)
{
dtCloned.ImportRow(row);
}
...
How do you completely remove the button border in wpf?
I'm trying to create a button that has an image in it and no border - just like the Firefox toolbar buttons before you hover over them and see the full button.
...
Play audio file from the assets directory
...put together one after another. So, if you do
not specify where to start and how many bytes to read, the player will
read up to the end (that is, will keep playing all the files in assets
directory)
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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...nd this is to first declare a temp table, insert value to that temp table, and then use MERGE
Like this:
declare @Source table
(
name varchar(30),
age decimal(23,0)
)
insert into @Source VALUES
('Helen', 24),
('Katrina', 21),
('Samia', 22),
('Hui Ling', 25),
('Yumie', 29);
MERGE beautiful AS T...
Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()
...pler than the road I was going down, in creating a UseRedisCluster method, and the back-end pluming now supports true fail-over:
var conn = ConnectionMultiplexer.Connect("redisServer1:6380,redisServer2:6380,redisServer3:6380,allowAdmin=true");
StackExchange.Redis also allows for additional manual...
Java “user.dir” property - what exactly does it mean?
...property points to the current working directory (e.g. set by the 'cd' command)?
4 Answers
...
What does “%” (percent) do in PowerShell?
... alias for ForEach-Object:
> Get-Alias -Definition ForEach-Object
CommandType Name Definition
----------- ---- ----------
Alias % For...
Why is there an injected class name?
... refer to the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name was present in C++98, but the terminology was new for C++03.
C++98 says:
A class-name is inserted into the scope in which it is declared immediately aft...