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is of a type that is invalid for use as a key column in an index
...x. nvarchar(100)
2. Create a check constraint that compares the value with all the keys in the table.
The condition is:
([dbo].[CheckKey]([key])=(1))
and [dbo].[CheckKey] is a scalar function defined as:
CREATE FUNCTION [dbo].[CheckKey]
(
@key nvarchar(max)
)
RETURNS bit
AS
BEGIN
declare...
Difference in months between two dates
...r of 'average months' between the two dates, the following should work for all but very huge date differences.
date1.Subtract(date2).Days / (365.25 / 12)
Note, if you were to use the latter solution then your unit tests should state the widest date range which your application is designed to work...
How can I merge two commits into one if I already started rebase?
...7d8b496ea00d5488481db5 a
That is, a was the first commit, then b, and finally c. After committing c we decide to squash b and c together:
(Note: Running git log pipes its output into a pager, less by default on most platforms. To quit the pager and return to your command prompt, press the q key.)...
How do I put a border around an Android textview?
... you make an image with a border then it will give your TextView a border. All you need to do is make the image and then set it to the background in your TextView.
<TextView
android:id="@+id/textview1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
andro...
Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
I was going to start using === (triple equals, strict comparison) all the time when comparing string values, but now I find that
...
When and how should I use a ThreadLocal variable?
...
The ThreadLocal.get() method will call ThreadLocal.initialValue() (once) for each thread, which means that a SimpleDateFormat object is created for each thread. Isn't it better then just to have SimpleDateFormat as local variables(since we don't have to deal w...
NULL values inside NOT IN clause
...
@Ian - It looks like "A NOT IN ( 'X', 'Y' )" actually is an alias for A <> 'X' AND A <> 'Y' in SQL. (I see that you discovered this yourself in stackoverflow.com/questions/3924694/…, but wanted to make sure your objection was addressed in this question.)
...
Does BroadcastReceiver.onReceive always run in the UI thread?
...p, I create a custom BroadcastReceiver and register it to my Context manually via Context.registerReceiver . I also have an AsyncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onReceive (...
How can I git stash a specific file?
....
Not the most user-friendly approach, but it gets the work done if you really need it.
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Consequences of using graft in Mercurial
...state F with the normal delta +f. There's nothing strange here — we have all the states (D, E, and F) in the repository already. So seen like this, it's clear that we can merge D and F.
Merging is a matter of "completing the diamond". So we find a new state M that is a mix of D and F and where th...