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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
...rence in certain circumstances.
So use WITH (NOLOCK) if the current data selected is allowed to be incorrect, as it might be rolled back later. This is mostly used when you want to increase performance, and the requirements on your application context allow it to take the risk that inconsistent da...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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select <column> from <table> group by 1 having count(*) > 1; will give a report on duplicated values.
– Jasen
Aug 26 '16 at 22:57
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Using SSH keys inside docker container
... different base, and each of them begins a new stage of the build. You can selectively copy artifacts from one stage to another, leaving behind everything you don’t want in the final image.
Keeping this in mind here is my example of Dockerfile including three build stages. It's meant to create a...
Linq order by boolean
... = from d in data
orderby d.x, d.y
select d;
foreach (var result in query)
{
Console.WriteLine(result);
}
}
}
share
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Visualizing branch topology in Git
...and also labels the commits. I also never saw in the dropdown that you can select all branches there.
– Thomas
Sep 27 '12 at 15:00
214
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Programmatically fire button click event?
...[btn sendActionsForControlEvents:UIControlEventTouchUpInside];
[btn performSelector:@selector(setHighlighted:) withObject:NO afterDelay:0.25];
This will programmatically hit the button and highlight it for a seemingly normal amount of time. Richie's suggestion didn't work as the button was only h...
What is database pooling?
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@sagar please select the answer which you found to be most useful. You have no accept record.
– zengr
Nov 24 '10 at 7:01
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.NET WPF Remember window size between sessions
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Actually you can add "WindowState" to settings. Select type -> browse -> PresentationFramework -> System.Windows -> WindowState :)
– Martin Vseticka
Aug 2 '10 at 9:40
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Use of Application.DoEvents()
...d gets any paint requests delivered. The problem however is that it isn't selective. It not only dispatches paint messages, it delivers everything else as well.
And there's a set of notifications that cause trouble. They come from about 3 feet in front of the monitor. The user could for example...
Running unittest with typical test directory structure
...Major Major". They can run with python -m unittest discover but how can I select to run only one of them. If I run python -m unittest tests/testxxxxx then it fails for path issue. Since dicovery mode solve everything I would expect that there is another trick to solve path issue without handcoding...