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nullable object must have a value
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When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
WPF Application that only has a tray icon
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+1, this should be the selected answer for the explanation alone.
– ToastyMallows
Aug 1 '13 at 22:26
2
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Laravel Eloquent Sum of relation's column
...([
'activity AS paid_sum' => function ($query) {
$query->select(DB::raw("SUM(amount_total) as paidsum"))->where('status', 'paid');
}
]);
it returns
"paid_sum_count" => "320.00"
in Deals attribute.
This it now the sum which i wanted to get not the count.
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Fixing Sublime Text 2 line endings?
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@soothsayer, for existing files, select all the text, then view -> line endings -> unix. Then save the document.
– AGS
Dec 18 '13 at 12:20
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Change SVN repository URL
...h://192.168.0.20/var/svn-repos/myrepo' where id=1; check your value with select * from REPOSITORY;
– Samuel
Sep 8 at 0:28
add a comment
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iOS app error - Can't add self as subview
...ns a list of note objects. The note object has a content property in html. Select a note will go to the detail controller.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
//get note object
DetailViewController *controller = [[DetailViewControlle...
How do I use WPF bindings with RelativeSource?
...bject that is also loaded from the database, but it only has access to the selected option. I had to explicitly set Path=DataContext.Message to get the binding to work. This makes sense, given that you can do relative bindings to width/height/etc. of a control.
– DrEsperanto
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How can I override inline styles with external CSS?
...ve Highest Priority, We Cannot Over Ride
The Color Using An Element Selector */
}
So, Should I Use jQuery/Javascript? - Answer Is NO
We can use element-attr CSS Selector with !important, note, !important is important here, else it won't over ride the inline styles..
<div style="font-si...
remove legend title in ggplot
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Since you may have more than one legends in a plot, a way to selectively remove just one of the titles without leaving an empty space is to set the name argument of the scale_ function to NULL, i.e.
scale_fill_discrete(name = NULL)
(kudos to @pascal for a comment on another thread)
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How do you effectively model inheritance in a database?
...etimes needed, when you want to load a list of all records (without doing select on each and every child table). One way to handle this, is to have one column representing the type of the child class (similar to the rowType field in the TPH), so mixing the TPT and TPH somehow.
Say we want to des...