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System.Data.SQLite Close() not releasing database file
...em a while ago while writing a DB abstraction layer for C# and I never actually got around to finding out what the issue was. I just ended up throwing an exception when you attempted to delete a SQLite DB using my library.
Anyway, this afternoon I was looking through it all again and figured I woul...
About Java cloneable
...tions, like apache-commons SerializationUtils (deep-clone) or BeanUtils (shallow-clone), or simply use a copy-constructor.
See here for the views of Josh Bloch about cloning with Cloneable, which explains the many drawbacks of the approach. (Joshua Bloch was a Sun employee, and led the development ...
Changing names of parameterized tests
...ed, fib(fInput));
}
private int fib(int x) {
// TODO: actually calculate Fibonacci numbers
return 0;
}
}
will give names like testFib[1: fib(1)=1] and testFib[4: fib(4)=3]. (The testFib part of the name is the method name of the @Test).
...
Avoiding if statement inside a for loop?
I have a class called Writer that has a function writeVector like so:
4 Answers
4
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How to find/identify large commits in git history?
...MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB.
...
Where are Docker images stored on the host machine?
...river Docker is using for storage.
By default this will be aufs but can fall back to overlay, overlay2, btrfs, devicemapper or zfs depending on your kernel support. In most places this will be aufs but the RedHats went with devicemapper.
You can manually set the storage driver with the -s or --st...
What is the difference between single and double quotes in SQL?
...d to indicate the beginning and end of a string in SQL. Double quotes generally aren't used in SQL, but that can vary from database to database.
Stick to using single quotes.
That's the primary use anyway. You can use single quotes for a column alias — where you want the column name you referen...
Extracting specific columns from a data frame
...
Using the dplyr package, if your data.frame is called df1:
library(dplyr)
df1 %>%
select(A, B, E)
This can also be written without the %>% pipe as:
select(df1, A, B, E)
share
...
Is it possible to send an array with the Postman Chrome extension?
...
with asp.net core 2.2, it receives all array elements with this solution
– ahong
Sep 3 '19 at 5:52
...
Postgres NOT in array
... edited Feb 26 '14 at 17:55
All Workers Are Essential
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answered Jul 30 '12 at 22:44
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