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DbEntityValidationException - How can I easily tell what caused the error?
... var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
...
jQuery scroll to element
...rg/en-US/docs/Web/API/element.scrollIntoView
So all you need to do is: $("selector").get(0).scrollIntoView();
.get(0) is used because we want to retrieve the JavaScript's DOM element and not the JQuery's DOM element.
sha...
What is InnoDB and MyISAM in MySQL?
... INSERT statement can be executed to add rows to the end of the table with select at same time if there are no holes/deleted rows in middle of table (at time of concurrent insert).
The default isolation level og mysql InnoDB is "Read Repeatable". For MyISAM, there is no transaction. InnoDB uses row...
How to undo “git commit --amend” done instead of “git commit”
...
additionally, this answer allows you to selectively pick the changes that you accidentally 'amended', to does provide some additional value to the git reset --soft HEAD@{1} approach (which did solve my problem BTW)
– Wiebe Tijsma
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How do you change Background for a Button MouseOver in WPF?
...), you can use the Visual Studio XAML Designer:
While editing your XAML, select the "Design" tab.
In the "Design" tab, find the button for which you want to disable the effect.
Right-click that button, and choose "Edit Template/Edit a Copy...". Select in the prompt you get where you want the new t...
SQLite string contains other string query
...
Using LIKE:
SELECT *
FROM TABLE
WHERE column LIKE '%cats%' --case-insensitive
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improve this answer
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jQuery 'input' event
...by itself will not trigger the event, but Ctrl-V to paste some text will), selecting an auto-completion option, Linux-style middle-click paste, drag-and-drop, and lots of other things.
See this page and the comments on this answer for more details.
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How to execute XPath one-liners from shell?
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You should try these tools :
xmlstarlet : can edit, select, transform... Not installed by default, xpath1
xmllint : often installed by default with libxml2-utils, xpath1 (check my wrapper to have --xpath switch on very old releases and newlines delimited output (v < 2.9.9)
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Filtering collections in C#
... where p.Gender == "M" && p.Age < 30
select new { p.Name, p.Age })
Console.WriteLine(v.Name + " is " + v.Age);
}
private class Person
{
public Person() { }
public int Age { get; set; }
public string Name { get; set; }
public string Gende...
req.body empty on posts
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In Postman of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body...