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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
After this comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5...
When is it appropriate to use UDP instead of TCP? [closed]
...want the answer to be in one response packet, and you are prepared to implement your own protocol for reliability or to resend. DNS is the perfect description of this use case. The costs of connection setups are way too high (yet, DNS
does support a TCP mode as well).
Another case is when you are d...
Should composer.lock be committed to version control?
...fic versions of the libs you are using.
If you commit your changes, and someone pulls your code and updates the dependencies, the lockfile should be unmodified. If it is modified, it means that you have a new version of something.
Having it in the repository assures you that each developer is usin...
design a stack such that getMinimum( ) should be O(1)
...integer value such that getMinimum() function should return the minimum element in the stack.
30 Answers
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...ntity and then set the collection of child entities to my new list which comes from the MVC view.
20 Answers
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Difference between DTO, VO, POJO, JavaBeans?
Have seen some similar questions:
7 Answers
7
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How to search a specific value in all tables (PostgreSQL)?
...e, then using grep?
$ pg_dump --data-only --inserts -U postgres your-db-name > a.tmp
$ grep United a.tmp
INSERT INTO countries VALUES ('US', 'United States');
INSERT INTO countries VALUES ('GB', 'United Kingdom');
The same utility, pg_dump, can include column names in the output. Just change -...
Configuring Log4j Loggers Programmatically
I am trying to use SLF4J (with log4j binding) for the first time.
4 Answers
4
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SVN how to resolve new tree conflicts when file is added on two branches
When merging a couple of branches (using SVN 1.6.1) where a file has been added on both branches (and then worked on in those separate branches) I'm getting one of the new tree conflicts:
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Setting PayPal return URL and making it auto return?
...r PayPal account, otherwise it will ignore the return field.
From the documentation (updated to reflect new layout Jan 2019):
Auto Return is turned off by default.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The M...