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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
I get following hibernate error. I am able to identify the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate err...
What is “with (nolock)” in SQL Server?
...hat is wrong.
In a financial database you use business transactions. That means adding one row to each account. It is of utmost importance that these transactions complete and the rows are successfully written.
Getting the account balance temporarily wrong isn't a big deal, that is what the end of...
Delete all data in SQL Server database
... It might also make sense to do a EXEC sp_MSForEachTable 'DBCC CHECKIDENT(''?'', RESEED, 0)' after the DELETE FROM to reset all the identity columns back to 0.
– Jonathan Amend
Nov 7 '13 at 21:46
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Some built-in to pad a list in python
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@RichardMöhn "pythonic" means "idiomatic". The longer you use Python, the more natural you will find this syntax.
– Nuno André
Dec 20 '19 at 3:37
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Using a piano keyboard as a computer keyboard [closed]
...e keyboards. As with machine stenography, you'd need a "dictionary" of the meanings of chords and sequences of chords. (Can you tell I used to work in the software side of machine stenography?)
To do this, the fundamental pieces are:
Receiving MIDI input. Don't try to do this yourself, use a libr...
Why use def main()? [duplicate]
...e to import that python code as a module without nasty side-effects.
This means it will be possible to run tests against that code.
This means we can import that code into an interactive python shell and test/debug/run it.
Variables inside def main are local, while those outside it are global. Th...
Can I run HTML files directly from GitHub, instead of just viewing their source?
... It loads relative paths properly allowing for linking to JS/CSS inside of the github repository. This is fantastic.
– Nathan Lilienthal
May 20 '13 at 18:47
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How to center a (background) image within a div?
...izontal position of the background and starts from top of the element . It means if you use 50px it will be "50px" away from top of the elements . And "yvalue" is the vertical position that has the same condition .
So if you use background-position: center; your background image will be centered .
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Why does C++ not have reflection?
...can find
it. Part of this is alleviated by C#
compiling to bytecode, which means
that the JIT compiler can remove
class definitions and inline
functions if it likes, even if the
initial C# compiler can't. In C++,
you only have one compiler, and it
has to output efficient code. If you
were allowed to...
Automatic counter in Ruby for each?
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No problem, glad to help. Didn't mean to be "mean" about the .each block -- these are fundamental ruby constructs and learning them on the fly will be really, really painful. :) Best to bite the bullet and spend a few hours reading!
– M...