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Optimistic vs. Pessimistic locking
...ces between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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How do I generate a random int number?
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The Random class is used to create random numbers. (Pseudo-random that is of course.).
Example:
Random rnd = new Random();
int month = rnd.Next(1, 13); // creates a number between 1 and 12
int dice = rnd.Next(1, 7); // creates a number betwee...
What is the pythonic way to avoid default parameters that are empty lists?
Sometimes it seems natural to have a default parameter which is an empty list. Yet Python gives unexpected behavior in these situations .
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What is the difference between a database and a data warehouse?
...poses such as Data Warehousing. This records the data from the user for history.
The tables and joins are complex since they are normalized (for RDMS). This is done to reduce redundant data and to save storage space.
Entity – Relational modeling techniques are used for RDMS database design.
Optimi...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...X systems, termination signals usually have the following order (according to many MAN pages and the POSIX Spec):
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Storing WPF Image Resources
... will need 10 - 20 small icons and images for illustrative purposes, does storing these in the assembly as embedded resources the right way to go?
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
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JodaTime
To convert JodaTime's org.joda.time.LocalDate to java.sql.Timestamp, just do
Timestamp timestamp = new Timestamp(localDate.toDateTimeAtStartOfDay().getMillis());
To convert JodaTime's org.joda.time.LocalDateTime to java.sql....
Pacman: how do the eyes find their way back to the monster hole?
I found a lot of references to the AI of the ghosts in Pacman, but none of them mentioned how the eyes find their way back to the central ghost hole after a ghost is eaten by Pacman.
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How to clone all repos at once from GitHub?
I have a company GitHub account and I want to back up all of the repositories within, accounting for anything new that might get created for purposes of automation. I was hoping something like this:
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Why can't I use the 'await' operator within the body of a lock statement?
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I assume this is either difficult or impossible for the compiler team to implement for some reason.
No, it is not at all difficult or impossible to implement -- the fact that you implemented it yourself is a testament to that fact. Rather, it is an incredibly bad idea and so we don't allow it...