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DbEntityValidationException - How can I easily tell what caused the error?
...riden SaveChanges without any refactor work.
Your exception message will now look like this:
System.Data.Entity.Validation.DbEntityValidationException: Validation
failed for one or more entities. See 'EntityValidationErrors' property
for more details. The validation errors are: The field P...
Windows 7 SDK installation failure
...
Microsoft now has a knowledge base article called Windows SDK Fails to Install with Return Code 5100 that describes this problem and its fix:
This issue occurs when you install the Windows 7 SDK on a computer that has a newer versi...
Is 0 a decimal literal or an octal literal?
...al could be interpreted as a decimal literal. I can see the compile error, now: ERROR: 0 is ambiguous, could be octal zero or could be decimal zero. Consider using (1 - 1) to disambiguate.
– CB Bailey
Aug 1 '11 at 9:25
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What is the difference between atomic and critical in OpenMP?
...ite right. I don't think that statement was ever correct, I'll correct it now.
– Jonathan Dursi
Jun 27 '16 at 14:04
A...
Django: Get an object form the DB, or 'None' if nothing matches
... = models.CharField(max_length=255)
objects = GetOrNoneManager()
And now I can do this:
bob_or_none = Person.objects.get_or_none(name='Bob')
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Removing the remembered login and password list in SQL Server Management Studio
... the sqlstudio.bin file still works for v18 but that wasn't my experience. Now if I could only figure out what is wiping out the usersettings.xml file every month or two. I'm so tired of having to re-enter my list of servers!
– PTansey
Jun 11 at 18:58
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Haskell offline documentation?
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That's great to know. Is there something like that on linux?
– Andriy Drozdyuk
Feb 27 '12 at 14:32
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How do I shutdown, restart, or log off Windows via a bat file?
...about using -f (for force) in the next answer. Says the guy who didn't and now has a computer stuck on shutdown on the other side of the planet during the weekend (:
– pasx
Aug 31 '13 at 3:22
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Nodemailer with Gmail and NodeJS
... use an XOAuth2 token to connect to Gmail. No worries, Nodemailer already knows about that:
var smtpTransport = nodemailer.createTransport('SMTP', {
service: 'Gmail',
auth: {
XOAuth2: {
user: smtpConfig.user,
clientId: smtpConfig.client_id,
clientSecret: smtpCo...
What is the equivalent of MATLAB's repmat in NumPy
... the size/shape of the output matrix. Say the sequence for manipulation is now 1,1,2.
In Matlab
> size(repmat(M,1,1,2))
ans =
2 3 2
it has copied the first two dimensions (rows and columns) of the input matrix and has repeated that once into a new third dimension (copied twice, that ...