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What's the best way to detect a 'touch screen' device using JavaScript?
...nt, since Windows 8 came out, Modernizr has been incorrectly returning all my PC's browsers as touch-compatible.
– Anton
Feb 18 '13 at 15:12
3
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Designing function f(f(n)) == -n
A question I got on my last interview:
118 Answers
118
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Java generics type erasure: when and what happens?
...sn't really affect developers! Of course, I can't speak for others, but in MY experience it never was a big deal. I actually take advantage of runtime type information in the design of my Java mocking API (JMockit); ironically, .NET mocking APIs seem to take less advantage of the generic type system...
Ruby: Can I write multi-line string with no concatenation?
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see my answer below for an example, you can just use % now.
– Robbie Guilfoyle
Aug 28 '13 at 1:35
4
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How to use greater than operator with date?
No idea what is going on here. Here is the query, right from phpMyAdmin:
5 Answers
5
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What is a 'Closure'?
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I've been reading my textbook on this topic for two days and couldn't really grasp what was going on. Reading your answer took 4 minutes and it makes perfect sense.
– Andrew
Jun 10 '18 at 1:57
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Does MySQL ignore null values on unique constraints?
...mn that I want to be unique. But I also want it to accept null values. Can my database have 2 null emails that way?
4 Answe...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
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@AkiraYamamoto 's method worked well for me as well. In my case I suppressed the output since my repository had thousands of files: git rm -r -q --cached .
– Aaron Blenkush
Oct 11 '13 at 15:21
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How to 'git pull' into a branch that is not the current one?
... nice linear tree
git clone . ../wip -b master # wip's `origin/master` is my `master`
cd ../wip # .
git pull origin origin/master # merge origin's origin/master
git push origin master # job's done, turn it in.
cd ../main
rm -rf ../wip # wip was pushed here...
Fastest Way to Serve a File Using PHP
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My previous answer was partial and not well documented, here is an update with a summary of the solutions from it and from others in the discussion.
The solutions are ordered from best solution to worst but also from the sol...