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Set environment variables on Mac OS X Lion
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Edit: Here are some instructions for creating a plist file.
Open Xcode
Select File -> New -> New File...
Under Mac OS X select Resources
Choose a plist file
Follow the rest of the prompts
To edit the file, you can Control-click to get a menu and select Add Row. You then can add a key val...
AWS: How to disable all services?
...console.aws.amazon.com/rds/home?region=us-east-1
Go to topright of page. Select the correct server location
The rest is straightforward from here
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Add unique constraint to combination of two columns
....YourTable
INSTEAD OF INSERT
AS
BEGIN
SET NOCOUNT ON;
IF NOT EXISTS (SELECT 1 FROM inserted AS i
INNER JOIN dbo.YourTable AS t
ON i.column1 = t.column1
AND i.column2 = t.column2
)
BEGIN
INSERT dbo.YourTable(column1, column2, ...)
SELECT column1, column2, ... FROM ins...
Visual Studio: ContextSwitchDeadlock
... aspect of the UI. Tools\Customize, then Rearrange Commands (button), then Select Debug from drop-down at upper right, then Add (button). Whew!
– SeaDrive
Feb 23 '09 at 17:56
84
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How to re-create database for Entity Framework?
...database from SQL Server Object Explorer in Visual Studio.
Right-click and select delete.
Delete mdf and ldf files from file system - if they are still there.
Rebuild Solution.
Start Application - database will be re-created.
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How do I ignore ampersands in a SQL script running from SQL Plus?
..., I've chose the # character, but that choice is just an example.
SQL> select '&var_ampersand #var_hash' from dual;
Enter value for var_ampersand: a value
'AVALUE#VAR_HASH'
-----------------
a value #var_hash
SQL> set define #
SQL> r
1* select '&var_ampersand #var_hash' from du...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
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Now when you go to the properties of the user and go to User Mapping and select the database where you have added new role,now new role will be visible in the Database role membership for: section
For more detail read full article
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AI2 Media Notification
...vailable up from API Level 23. The SmallSystemIcon property to allows to select a system icon for older versions (for possible options see: System Notification Icons). The selection rule is as follows: Condition Selection API Level SmallIconImage SmallSystemIcon ≥ 23 ...
Removing all empty elements from a hash / YAML?
...mplementation is not recursive. As a curiosity, they implemented it using #select instead of #delete_if for performance reasons. See here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# ...
How to use enum values in f:selectItem(s)
I want to make a selectOneMenu dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the i...