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Which concurrent Queue implementation should I use in Java?
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Basically the difference between them are performance characteristics and blocking behavior.
Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the ...
Version of SQLite used in Android?
... have added an Issue #58909 to the Android Issue Tracker. Please star this if you would like to support it.
Note: if you want your app to use the same version of SQLite across all Android versions, consider using this 3rd party SQLite support library.
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What is database pooling?
...cally, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, authenticate, have authorisation checked, and so on. Pooling keeps the connections active so that, when a connection is later requested, one of the active ones ...
Recommended date format for REST GET API
...d want to stick to a standard like you have for ISO 8601 (url encoded).
If not having ugly URI is a concern (e.g. not including the url encoded version of :, -, in you URI) and (human) addressability is not as important, you could also consider epoch time (e.g. http://example.com/start/133116237...
How can I order a List?
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If it's not the solution that you'd choose then why propose it as an answer? Propose what you'd do as the answer; if that means changing the type from IList to List so you can call .Sort on it, then why not do that.
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Difference between two dates in Python
I have two different dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
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What's the difference between echo, print, and print_r in PHP?
...ess the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take multiple parameters, although such usage is rare; echo is slightly faster than print. (P...
How to succinctly write a formula with many variables from a data frame?
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There is a special identifier that one can use in a formula to mean all the variables, it is the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also d...
How do I manage MongoDB connections in a Node.js web application?
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@Cracker: If you have express application, you can save db object into req.db with this middleware: github.com/floatdrop/express-mongo-db
– floatdrop
Aug 8 '14 at 18:15
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Total number of items defined in an enum
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System.Enum.GetNames, if you aren't already including the System namespace.
– Brett Pennings
Feb 3 '15 at 2:55
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