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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...here is no a matching
candidate key value in the parent table.
So your error Error Code: 1452. Cannot add or update a child row: a foreign key constraint fails essentially means that, you are trying to add a row to your Ordrelinje table for which no matching row (OrderID) is present in Ordre tab...
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
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I have had this error many times and it can be quite hard to track down...
Basically, what hibernate is saying is that you have two objects which have the same identifier (same primary key) but they are not the same object.
I would suggest...
How to solve “Fatal error: Class 'MySQLi' not found”?
I am doing a tutorial and am getting this error:
22 Answers
22
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Error:(1, 0) Plugin with id 'com.android.application' not found
...led 0.8.0 and updated to 0.8.2. As soon as a project is created I get the error message:
22 Answers
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How do I query if a database schema exists
...to be extra "defensive", the following version generates a Type conversion error to account for the possibility (however unlikely) of > 1 matching Schema's similar to how validation code often intentionally Throw Exception's because I believe it's good to and I believe it's "'best practice'" to a...
Setting log level of message at runtime in slf4j
...vels already implicitly defined by the methods in org.slf4j.Logger: debug, error, info, trace, warn.
– Edward Dale
Apr 12 '10 at 12:45
1
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
What is this error all about, and how would I go about solving it?
14 Answers
14
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CSV new-line character seen in unquoted field error
...ode worked until today when I imported from a Windows machine and got this error:
9 Answers
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What does the PHP error message “Notice: Use of undefined constant” mean?
PHP is writing this error in the logs: "Notice: Use of undefined constant".
9 Answers
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When should I use perror(“…”) and fprintf(stderr, “…”)?
...n
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
5 Ans...