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Select random row from a sqlite table
...ET``. It is a very inefficient way to query a database because it needs to read that many rows even though it will only return 1.
– Jonathan Allen
Apr 14 '16 at 10:26
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Protected in Interfaces
... @pickypg But if the class that would implement the interface already extends another class, you cannot make it extend another class. I wouldn't find it confusing for an interface that is used only inside a package.
– Flamma
Jan 15 '14 at 10:22
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What is a bus error?
...aren't rare; I'm just at Exercise 9 from How to Learn C the Hard Way and already encountered one...
– 11684
Mar 26 '13 at 20:12
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How can you escape the @ character in javadoc?
...**
* This is an "at" symbol: {@literal @}
*/
The javadoc for this will read:
This is an "at" symbol: @
Of course, this will work for any characters, and is the "officially supported" way of displaying any "special" characters.
It is also the most straighforward - you don't need to know the h...
Should I always return IEnumerable instead of IList?
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@Jon FDG recommend using Collection<T> or ReadOnlyCollection<T> as a return value for collection types see my answer.
– Sam Saffron
Jul 3 '09 at 5:51
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Java's Interface and Haskell's type class: differences and similarities?
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I've read the above answers. I feel I can answer slightly more clearly:
A Haskell "type class" and a Java/C# "interface" or a Scala "trait" are basically analogous. There is no conceptual distinction between them but there are im...
Plain Old CLR Object vs Data Transfer Object
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It's probably redundant for me to contribute since I already stated my position in my blog article, but the final paragraph of that article kind of sums things up:
So, in conclusion, learn to love the POCO, and make sure you don’t spread any misinformation about it being the...
Java ArrayList replace at specific index
...se it. ;). In SO, answer should be always according to question, so please read the question first. And what is the problem if it returns the previous value, if you want that value then you can use else leave it. It is replacing the old value and that is it.
– Android Killer
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Mounting multiple volumes on a docker container?
...rget,target=/app \
--mount type=bind,source="$(pwd)"/target,target=/app2,readonly,bind-propagation=rslave \
nginx:latest
Original older answer should still work; just trying to keep the answer aligned to current best known method.
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Sending HTML email using Python
...message, in this case # the HTML message, is best and preferred. I wish i read this 2hrs ago
– dwkd
Jul 4 '15 at 21:44
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