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Entity Framework .Remove() vs. .DeleteObject()
... identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject then). If you don't do any of these a referential constraint is violated and EF will thr...
Sending Arguments To Background Worker?
... I want to sent an int parameter to a background worker, how can this be accomplished?
8 Answers
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Draw Circle using css alone [duplicate]
... answer. It is reasonable to drop support for it, as according to caniuse.com/usage-table, IE 8 currently has a 0.18% share of usage, and most modern websites have done so. The border-radius property is now supported pretty much across the board (caniuse.com/#search=border-radius), so should be th...
How to run SQL script in MySQL?
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If you’re at the MySQL command line mysql> you have to declare the SQL file as source.
mysql> source \home\user\Desktop\test.sql;
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How do I fix “Failed to sync vcpu reg” error?
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How can I detect if this dictionary key exists in C#?
...TryGetValue:
dict.TryGetValue(key, out value);
Update: according to a comment the actual class here is not an IDictionary but a PhysicalAddressDictionary, so the methods are Contains and TryGetValue but they work in the same way.
Example usage:
PhysicalAddressEntry entry;
PhysicalAddressKey k...
ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action
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Implement paging (skip / take) functionality with this query
... ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we can use
SELECT col1, col2, ...
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ORDER BY CURRENT_TIMESTAMP
OFFSET 10 ROWS -- skip ...
PHP function to build query string from array
... @ceejayoz Well you've known it for a long time now... Your wish has come true?
– Andrew
Nov 30 '16 at 19:56
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Devise Secret Key was not set
...fig/initializers/devise.rb and the error was fixed.
This seems to be the commit which introduced it.
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