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Insert into … values ( SELECT … FROM … )
... the SQL engine of the day ( MySQL , Oracle , SQL Server , Informix , and DB2 ).
26 Answers
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Difference between std::system_clock and std::steady_clock?
What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great).
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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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CSS: fixed position on x-axis but not y?
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I love this solution, and just used it myself. One problem I have with it though is that the refreshes are kind of choppy when you do smooth scrolling (eg: by dragging the scrollbar). It seems javascript refresh is slower than css refresh. Any sol...
Is there a way to access method arguments in Ruby?
New to Ruby and ROR and loving it each day, so here is my question since I have not idea how to google it (and I have tried :) )
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What do these words mean in Git: Repository, fork, branch, clone, track?
...oject (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes.
Within a repository you have branches, which are e...
What's the difference between Jetty and Netty?
What is the main difference between Jetty and Netty?
3 Answers
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Test if characters are in a string
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@GregSnow -- Tried system.time(a <- grepl("abc", vec)) and system.time(a <- grepl("abc", vec, fixed=TRUE)), and fixed=TRUE is still, if anything slightly slower. The difference isn't appreciable with these short strings, but fixed=TRUE still doesn't seem to be faster. Thanks ...
Why can I access TypeScript private members when I shouldn't be able to?
I'm looking at implementation of private members in TypeScript, and I find it a little confusing. Intellisense doesn't allow to access private member, but in pure JavaScript, it's all there. This makes me think that TS doesn't implement private members correctly.
Any thoughts?
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jQuery’s .bind() vs. .on()
...d from future versions at any time. There is no reason to keep using .bind and every reason to prefer .on instead.
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