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SQL Server Insert if not exists
...
instead of below Code
BEGIN
INSERT INTO EmailsRecebidos (De, Assunto, Data)
VALUES (@_DE, @_ASSUNTO, @_DATA)
WHERE NOT EXISTS ( SELECT * FROM EmailsRecebidos
WHERE De = @_DE
AND Assunto = @_ASSUNTO
AND Data = @_D...
Get class name using jQuery
...s jQuery object via other means than its class, then
var className = $('#sidebar div:eq(14)').attr('class');
should do the trick. For the ID use .attr('id').
If you are inside an event handler or other jQuery method, where the element is the pure DOM node without wrapper, you can use:
this.clas...
How to add a right button to a UINavigationController?
... Even inside of a UINavigationContoller's viewDidLoad method, I had to call it like self.topViewController.navigationItem.leftBarButtonItem = nextButton;
– Joseph
Sep 2 '12 at 19:10
...
DISTINCT for only one column
... Server 2005 or above use this:
SELECT *
FROM (
SELECT ID,
Email,
ProductName,
ProductModel,
ROW_NUMBER() OVER(PARTITION BY Email ORDER BY ID DESC) rn
FROM Produ...
How do I find a default constraint using INFORMATION_SCHEMA?
...l_columns
INNER JOIN
sys.tables
ON all_columns.object_id = tables.object_id
INNER JOIN
sys.schemas
ON tables.schema_id = schemas.schema_id
INNER JOIN
sys.default_constraints
ON all_columns.default_object_id = default_constraints.object_...
Android: how to draw a border to a LinearLayout
...
Do you really need to do that programmatically?
Just considering the title: You could use a ShapeDrawable as android:background…
For example, let's define res/drawable/my_custom_background.xml as:
<shape xmlns:android="http://schemas.android.com/apk/res/andr...
Alternatives to java.lang.reflect.Proxy for creating proxies of abstract classes (rather than interf
...hat you can do in such a case is having a proxy handler that will redirect calls to existing methods of your abstract class.
You of course will have to code it, however it's quite simple. For creating your Proxy, you'll have to give him an InvocationHandler. You'll then only have to check the metho...
Clustered vs Non-Clustered
... applying the clustered index to PersonId means that the rows will be physically sorted by PersonId in the table, allowing an index search on this to go straight to the row (rather than a non-clustered index, which would direct you to the row's location, adding an extra step).
That said, it's unusu...
what is the right way to treat Python argparse.Namespace() as a dictionary?
... dictionary proxies), the rest of the cases are updateable. The vars(obj) call is synonymous with obj.__dict__. In the case of an argparse namespace, vars(args) gives direct access to an updateable dictionary.
– Raymond Hettinger
Jun 2 '13 at 0:04
...
Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
...