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What's the fuss about Haskell? [closed]
I know a few programmers who keep talking about Haskell when they are among themselves, and here on SO everyone seems to love that language. Being good at Haskell seems somewhat like the hallmark of a genius programmer.
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Error 1046 No database Selected, how to resolve?
... in SQL file. Can you please clarify that once more. I am having the issue now.
– Rahul S
Jul 15 '15 at 5:02
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How do I set up email confirmation with Devise?
...devise:views # global
rails generate devise:views users # scoped
You can now override the mailer views in devise/mailer/confirmation_instructions.html.erb or users/mailer/confirmation_instructions.html.erb depending on your setup
4. For development environment add the following config lines in /c...
How do I get the fragment identifier (value after hash #) from a URL?
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@SchalkKeun luckily, now in '18 it's almost gone. But for those who still have to deal with that legend should be aware of it.
– Sebastiaan Ordelman
Jun 22 '18 at 9:45
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throwing exceptions out of a destructor
...tic approximation of finally, see the various scope_guard implementations. Nowadays, with the machinery in place (even in the standard, is it C++14?) to detect whether the dtor is allowed to throw, it can even be made totally safe.
– Martin Ba
Dec 1 '15 at 11:0...
Replacing a fragment with another fragment inside activity group
...ly cannot replace a fragment, but rather you can manually remove the views now present in the container and put a fragment there instead if required.
– Subin Sebastian
Dec 21 '15 at 6:40
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When serving JavaScript files, is it better to use the application/javascript or application/x-javas
... saying, but rather what works the best given the mix of browsers deployed nowadays.
6 Answers
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How to return an empty ActiveRecord relation?
...and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Find an element in DOM based on an attribute value
...ate: In the past few years the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this.
There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it on just for sel...
How to enumerate a range of numbers starting at 1
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This answer is way out of date, you can now put just enumerate(iterable, start=1) as of Python 2.6.
– Fredrick Brennan
Feb 24 '13 at 22:50
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