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How do I install the OpenSSL libraries on Ubuntu?

... You want the openssl-devel package. At least I think it's -devel on Ubuntu. Might be -dev. It's one of the two. share | improve this answer | ...
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Unable to cast object of type 'System.DBNull' to type 'System.String`

...Number : 0; If you know for sure that your resultset will always have at least one row (e.g. SELECT COUNT(*)...), then you can skip the check for null. In your case the error message "Unable to cast object of type ‘System.DBNull’ to type ‘System.String`" indicates that the first column of y...
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Can you delete multiple branches in one command with Git?

... one or more patterns are given, only refs are shown that match against at least one pattern, either using fnmatch(3) or literally, in the latter case matching completely or from the beginning up to a slash – gawi Mar 1 '14 at 0:02 ...
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Didn't Java once have a Pair class? [duplicate]

...P (why not to add credit or reference?). To make it a complete version, at least replace the Objects#equal convenience method with actual implementation. – Alex Lipov Apr 21 '15 at 11:51 ...
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Remove white space below image [duplicate]

...parent in the case of the parent and img both having `display: inline`, at least you can't see the parent anymore. cons: Less efficient code. This assumes "correct" markup; if the img has text node siblings, they won't show up. 3) Setting line-height: 0 on the parent element: .parent { li...
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How can I maximize a split window?

...t this is only one additional line above). You can close help as usual: at least :bw<CR> and <C-w>c work for me closing new tab as well. share | improve this answer | ...
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How do I merge two javascript objects together in ES6+?

... Be careful, though. On at least one browser this has performance implications. – 
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How to quickly and conveniently create a one element arraylist [duplicate]

...leaner solution is to use Guava's Lists.newArrayList() (available since at least Guava 10, released in 2011). For example: Lists.newArrayList("Blargle!"); share | improve this answer | ...
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How to clear the cache of nginx?

...tly has some real trouble when run in a virtual machine environment, or at least when run through Virtualbox. Turning this config off in nginx causes the static file to be served via a different method and your changes will be reflected immediately and without question It is related to this bug: h...
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Get file name from URL

... In version commons-io 2.2 at least you still need to manually handle URLs with parameters. E.g. "example.com/file.xml?date=2010-10-20" – Luke Quinane Aug 13 '13 at 5:14 ...