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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
...trings.
var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
// Combine the origin...
Google Docs/Drive - number the headings
...a blank project
Paste the the code below and save with your preffered name
Select Run > onOpen and authorize the script for the first time
Select Run > onOpen
Change to your Document and try the functions on the Headings tools custom menu created.
~~Disclaimer: you may have issues with empty...
how to check if a form is valid programmatically using jQuery Validation Plugin
... jQuery Validation plugin:
$("#form_id").valid();
Checks whether the selected form is valid or whether all selected
elements are valid. validate() needs to be called on the form before
checking it using this method.
Where the form with id='form_id' is a form that has already had .validat...
Sublime Text 2 - View whitespace characters
...espace the setting is:
// Set to "none" to turn off drawing white space, "selection" to draw only the
// white space within the selection, and "all" to draw all white space
"draw_white_space": "selection",
You can see it if you go into Preferences->Settings Default. If you edit your user setti...
Changing API level Android Studio
... stable, there is an easy way to do it.
Right click on your project file
Select "Open Module Settings"
Go to the "Flavors" tab.
Select the Min SDK Version from the drop down list
PS: Though this question was already answered but Android Studio has changed a little bit by its stable release....
Delete all the queues from RabbitMQ?
...oto Policies tab(on the right side)
Add Policy
Fill Fields
Virtual Host: Select
Name: Expire All Policies(Delete Later)
Pattern: .*
Apply to: Queues
Definition: expires with value 1 (change type from String to Number)
Save
Checkout Queues tab again
All Queues must be deleted
And don't forget remo...
How to have jQuery restrict file types on upload?
...to set the upload button to disabled unless and until a valid file type is selected.
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T-SQL CASE Clause: How to specify WHEN NULL
...
Given your query you can also do this:
SELECT first_name + ' ' + ISNULL(last_name, '') AS Name FROM dbo.person
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Multiple Updates in MySQL
... another useful option is not yet mentioned:
UPDATE my_table m
JOIN (
SELECT 1 as id, 10 as _col1, 20 as _col2
UNION ALL
SELECT 2, 5, 10
UNION ALL
SELECT 3, 15, 30
) vals ON m.id = vals.id
SET col1 = _col1, col2 = _col2;
...
Remove Project from Android Studio
...This threw me off on a mac too... first, you can't click on the project to select it or it launches the project... you have to trick it by moving your mouse over to highlight and then to make sure it sticks use the keyboard arrow keys up/down to highlight the one you want. Then fn+delete to remove i...