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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
I really want to know more about the update, export and the values that could be given to hibernate.hbm2ddl.auto
I need to know when to use the update and when not? And what is the alternative?
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How do I find the next commit in git? (child/children of ref)
...sically standard git log, but going the other way in time, use something like
git log --reverse --ancestry-path 894e8b4e93d8f3^..master
where 894e8b4e93d8f3 is the first commit you want to show.
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How to use if - else structure in a batch file?
...h file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...lternating between the memcpy version and the std::copy version. My code takes advantage of grabbing data in as large of chunks as possible (many other implementations operate with char / char *, whereas I operate with T / T * (where T is the largest type in the user's implementation that has correc...
Undoing a commit in TortoiseSVN
...!) way to 'undo' that commit without having to delete the files from my working directory?
3 Answers
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How to scroll to an element inside a div?
I have a scrolled div and I want to have an event when I click on it, it will force this div to scroll to view an element inside.
I wrote its JavasSript like this:
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How can I break an outer loop with PHP?
I am looking to break an outer for/foreach loop in PHP.
6 Answers
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What is the difference between join and merge in Pandas?
Suppose I have two DataFrames like so:
7 Answers
7
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PostgreSQL function for last inserted ID
...typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type).
If you are interested in getting the id of a newly inserted row, there are several ways:
Option 1: CURRVAL(<sequence name>);.
For example:
INSERT INTO persons (lastname,fir...
What is an OS kernel ? How does it differ from an operating system? [closed]
I am not able to understand the difference between a kernel and an operating system. I do not see any difference between them. Is the kernel an operating system?
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