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What are invalid characters in XML
..., most viewers will complain about the invalid character. Edge case but it does happen.
– Rick Strahl
Jan 2 '12 at 9:56
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Obtaining a powerset of a set in Java
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Actually, I've written code that does what you're asking for in O(1). The question is what you plan to do with the Set next. If you're just going to call size() on it, that's O(1), but if you're going to iterate it that's obviously O(2^n).
contains() woul...
How do I return the response from an asynchronous call?
...While certain asynchronous operations provide synchronous counterparts (so does "Ajax"), it's generally discouraged to use them, especially in a browser context.
Why is it bad do you ask?
JavaScript runs in the UI thread of the browser and any long-running process will lock the UI, making it unrespo...
How do I make many-to-many field optional in Django?
...nterface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry.
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What is the proper way to test if a parameter is empty in a batch file?
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You do not make it clear that it DOES NOT work with spaces. Use @jamesdlin answer instead.
– JB. With Monica.
Jun 12 '17 at 11:56
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
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This is ticked, but doesn't answer the question, which is how to get the line number of the caller function.
– mikemaccana
Apr 17 '12 at 8:45
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css3 transition animation on load?
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@SuzanneEdelmanCreoconcept to my knowledge, IE9 doesn't support the transition property. Your options would be JS or graceful degradation.
– Chris Spittles
Oct 22 '16 at 15:37
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GitHub pull request showing commits that are already in target branch
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It looks like the Pull Request doesn't keep track of changes to the target branch (I contacted GitHub support, and received a response on 18 Nov 2014 stating this is by design).
However, you can get it to show you the updated changes by doing the followin...
How to show particular image as thumbnail while implementing share on Facebook?
... Facebook have themselves pointed out that using the link rel attribute doesn't always work for some people. I find the meta property="og:image" to be much more reliable. The answer below should be the correct one.
– Dwayne Charrington
Feb 11 '11 at 1:11
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Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
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I ran into a similar problem. It works on one server and does not on another server with same Nginx configuration. Found the the solution which is answered by Igor here http://forum.nginx.org/read.php?2,1612,1627#msg-1627
Yes. Or you may combine SSL/non-SSL servers in one server:...