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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...
Button in a column, getting the row from which it came on the Click event handler
...h the command examples I've seen is that you have to databind the datagrid selected item to a member of your view model and thus it's hard to generisize the command enough to be good for a delete button. I want one delete button template column resource I can use to delete pretty much anything in my...
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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How to limit UITableView row reordering to a section
...w within a section. e.g last row in a Section
// Check if we have selected the last row in section
if (sourceIndexPath.row < sourceIndexPath.length) {
return proposedDestinationIndexPath;
}
else {
return sourceIndexPath;
}
}
...
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...
Given a number, find the next higher number which has the exact same set of digits as the original n
...g order, there's no bigger number to be made without adding digits.)
B.1. Select the last digit of the first sequence:
3472(2) 641
B.2. Find the smallest digit in the second sequence that is larger than it:
3472(2) 6(4)1
B.3. Swap them:
3472(2) 6(4)1
->
3472(4) 6(2)1
->
34724 621
C. ...
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...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
...
select <column> from <table> group by 1 having count(*) > 1; will give a report on duplicated values.
– Jasen
Aug 26 '16 at 22:57
...
How do I connect to a specific Wi-Fi network in Android programmatically?
...ows a list of Wi-Fi networks available and connect to whichever network is selected by the user.
10 Answers
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How do I make this file.sh executable via double click?
...
You can just tell Finder to open the .sh file in Terminal:
Select the file
Get Info (cmd-i) on it
In the "Open with" section, choose "Other…" in the popup menu
Choose Terminal as the application
This will have the exact same effect as renaming it to .command except… you don't h...