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Java Reflection Performance
Does creating an object using reflection rather than calling the class constructor result in any significant performance differences?
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How to handle click event in Button Column in Datagridview?
I am developing a windows application using C#. I am using DataGridView to display data. I have added a button column in that. I want to know how can I handle click event on that button in DataGridView.
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Difference between View and table in sql
... are defined by a query.
Unless indexed, a view does not exist as a stored set of data values in a database.
Advantages over table are
We can combine columns/rows from multiple table or another view and have a consolidated view.
Views can be used as security mechanisms by letting users access data...
How to position a table at the center of div horizontally & vertically
We can set a image as background image of a <div> like:
7 Answers
7
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Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
... updated to support objects in other schemas than dbo.
declare @n char(1)
set @n = char(10)
declare @stmt nvarchar(max)
-- procedures
select @stmt = isnull( @stmt + @n, '' ) +
'drop procedure [' + schema_name(schema_id) + '].[' + name + ']'
from sys.procedures
-- check constraints
select @s...
Update a record without first querying?
...the datastore. Example:
dataEntity.ExecuteStoreCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = 123 ");
For performance reasons, you may want to pass in variables instead of a single hard coded SQL string. This will allow SQL Server to cache the query and reuse with parameter...
How to customize the back button on ActionBar
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works for me too. I was declaring inside the style set as my ActionBarStyle as in AOSP on github but it was not working - moving out into the main theme did the trick! +1
– Dori
Mar 28 '12 at 16:59
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Rails: How to change the title of a page?
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shouldn't variables be set inside the controller ?
– user2189593
Jun 7 '13 at 15:45
2
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
...en http://phpfiddle.org/
Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma.
Press F9 or click Run.
Have fun ;)
<?php
// API access key from Google API's Console
define( 'API_ACCESS_KEY', 'YOUR-API-ACCESS-KEY-GOES-HERE' );
$registrationId...
How do I create a transparent Activity on Android?
...this will behave like a dialog, mainly because of android:windowIsFloating set to true. Remove this property to behave like a normal activity (in this case it will match android:style/Theme.Translucent.NoTitleBar)
– aromero
Jan 3 '12 at 14:44
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