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Why is it not possible to extend annotations in Java?
I don't understand why there is no inheritance in Java annotations, just as Java classes. I think it would be very useful.
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How to execute raw SQL in Flask-SQLAlchemy app
... raw SQL then you control the transactions, so you have to issue the BEGIN and COMMIT statements yourself.
– Miguel
Jan 30 '14 at 23:47
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Data access object (DAO) in Java
I was going through a document and I came across a term called DAO . I found out that it is a Data Access Object. Can someone please explain me what this actually is?
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How to get just one file from another branch
I am using git and working on master branch. This branch has a file called app.js .
10 Answers
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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
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Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...iler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
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Code for a simple JavaScript countdown timer?
...imple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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XSLT equivalent for JSON [closed]
..., including:
an outline of how such a "jsonT" tool might be implemented, and some downloads
some discussion of that implementation
a company which may have implemented something suitable
Hope this helps.
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How to check if all of the following items are in a list?
...nificantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me.
Use the equivalent and more clearly-named method, set.issubset. Note that you don't need to convert the argument to a set; it'll do that for you if needed.
set(['a...