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Nginx reverse proxy causing 504 Gateway Timeout

...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine: server { location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header ...
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Center content of UIScrollView when smaller

... the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like to keep it centered, like the Photos app. ...
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Split string into array of character strings

... This is indeed a regex-expression, called a negative lookahead. Checkout the documentation here: docs.oracle.com/javase/6/docs/api/java/util/regex/… – Erwin May 28 '14 at 8:51 ...
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Is it possible to use a div as content for Twitter's Popover

...ing if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i think i can figure out the rest. I tried setting data-content to a div ID, but it didnt work. ...
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Java equivalent of unsigned long long?

... @PP.: I don't think it's possible to define sensible rules which allow free interaction between signed and unsigned types when at least one of them has defined wrapping behavior. That having been said, unsigned byte or unsigned short would have caused zero trouble since bytes don't intera...
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How to round up a number to nearest 10?

...$input / 10) * 10; Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner. share | improve this answer | follow | ...
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Dependency injection with Jersey 2.0

...the REST resources (in your case, MyResource) using the packages() method call. share | improve this answer | follow | ...
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What Android tools and methods work best to find memory/resource leaks? [closed]

...e for bitmaps. Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many experiments I found a quite good solution for this problem. First, set the “id” attribute on the parent view of your X...
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Process escape sequences in a string in Python

...ything in the pattern 'string escape', 'string@escape" and whatnot... basically 'string\W+escape' – Nas Banov Oct 26 '10 at 5:18 ...
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What is the difference between atomic and critical in OpenMP?

...(on top of the inherent cost of serialization). (In addition, in OpenMP all unnamed critical sections are considered identical (if you prefer, there's only one lock for all unnamed critical sections), so that if one thread is in one [unnamed] critical section as above, no thread can enter any [un...