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How to create a tuple with only one element
In the below example I would expect all the elements to be tuples, why is a tuple converted to a string when it only contains a single string?
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How to copy text to clipboard/pasteboard with Swift
... for a clean example of how to copy text to iOS clipboard that can then be used/pasted in other apps.
4 Answers
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Best way to find the intersection of multiple sets?
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From Python version 2.6 on you can use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that set.inte...
Take all my changes on the current branch and move them to a new branch in Git
I started work on what I thought would be a minor bug fix on my master branch. However, it has spiraled out of control to the point where I wish I had created a separate branch to do the development in the first place.
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Ruby/Rails: converting a Date to a UNIX timestamp
How would I get a UNIX timestamp (number of seconds since 1970 GMT) from a Date object in a Rails app?
5 Answers
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How is the AND/OR operator represented as in Regular Expressions?
I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation:
The correct solution for the word would be "part1, part2".
The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer ...
How to find the size of an array in postgresql
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As vyegorov mentioned, array_length will do the trick. Or if you know that the array is 1-dimensional (which is likely) and are running PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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What exactly happens when I set LoadUserProfile of IIS pool?
I faced the following issue.
1 Answer
1
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How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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Is it possible to use jQuery to read meta tags
Is it possible to use jQuery to read meta tags. If so do you know what the basic structure of the code will be, or have links to any tutorials.
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