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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
...erenced distinctly points out creating a new HashSet but you can have this error anytime you reassign the set. For example:
public void setChildren(Set<SonEntity> aSet)
{
this.sonEntities = aSet; //This will override the set that Hibernate is tracking.
}
Usually you want to only "new" ...
How do I find out which process is locking a file using .NET?
... to determine file locker.");
try
{
const int ERROR_MORE_DATA = 234;
uint pnProcInfoNeeded = 0,
pnProcInfo = 0,
lpdwRebootReasons = RmRebootReasonNone;
string[] resources = new string[] { path }; // Just checking...
Logging best practices [closed]
...gs/uses the event ids, and can make it easy to provide guidance for common errors, e.g. error 5178 means your database connection string is wrong, etc.
Event id's should follow some kind of structure (similar to the Theory of Reply Codes used in email and HTTP), which allows you to treat them by ca...
Database Diagram Support Objects cannot be Installed … no valid owner
I tried to create a database diagramm with SQL Server 2008, but an error occurs:
14 Answers
...
When is CRC more appropriate to use than MD5/SHA1?
When is it appropriate to use CRC for error detection versus more modern hashing functions such as MD5 or SHA1? Is the former easier to implement on embedded hardware?
...
Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...ough. When I try to run ./manage.py runserver I am getting the following error:
25 Answers
...
Does IE9 support console.log, and is it a real function?
...t not the DebugBar I got a message from latter that there was a JavaScript error (console is not defined).
– Simon A. Eugster
Sep 28 '12 at 5:21
...
Parsing boolean values with argparse
...ther solution using the previous suggestions, but with the "correct" parse error from argparse:
def str2bool(v):
if isinstance(v, bool):
return v
if v.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif v.lower() in ('no', 'false', 'f', 'n', '0'):
return F...
What causes java.lang.IncompatibleClassChangeError?
...library as a JAR, and it's throwing many java.lang.IncompatibleClassChangeError s when I try to invoke methods from it. These errors seem to appear at random. What kinds of problems could be causing this error?
...
Android Webview - Completely Clear the Cache
...
The edited code snippet above posted by Gaunt Face contains an error in that if a directory fails to delete because one of its files cannot be deleted, the code will keep retrying in an infinite loop. I rewrote it to be truly recursive, and added a numDays parameter so you can control ho...