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Transaction marked as rollback only: How do I find the cause
...at is right (you hadn't provided methodC in your first post). Both methodB and methodC use same TX and always the most specific @Transactional annotation is used, so when methodC throws the exception, surrounding TX will be marked as rollback-only. You can also use different propagation markers to p...
Recursively remove files
Does anyone have a solution to remove those pesky ._ and .DS_Store files that one gets after moving files from a Mac to A Linux Server?
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Starting python debugger automatically on error
...e some time, yet I have never found a suitable solution. If I run a script and I come across, let's say an IndexError, python prints the line, location and quick description of the error and exits. Is it possible to automatically start pdb when an error is encountered? I am not against having an ext...
Increasing (or decreasing) the memory available to R processes
...rror that R
has run out of memory.
If you have R already installed and
subsequently install more RAM, you may
have to reinstall R in order to take
advantage of the additional capacity.
You may also set the amount of
available memory manually. Close R,
then right-click on your...
Reactjs convert html string to jsx
I'm having trouble dealing with facebook's ReactJS. Whenever I do ajax and want to display an html data, ReactJS displays it as text. (See figure below)
...
How do you list the active minor modes in emacs?
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C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each.
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Programmatically saving image to Django ImageField
Ok, I've tried about near everything and I cannot get this to work.
17 Answers
17
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Rebasing a Git merge commit
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There are two options here.
One is to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the manual:
By default, a rebase will simply drop mer...
Can you set a border opacity in CSS?
... */
}
The problem with this approach is that some browsers do not understand the rgba format and will not display any border at all if this is the entire declaration. The solution is to provide two border declarations. The first with a fake opacity, and the second with the actual. If a browser is ...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to update is before running the update (same query, just with a select):
select *
from QuestionTrackings q
inner join QuestionAnswers a
on q.Answ...