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How to Vertical align elements in a div?

I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other. 29 ...
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Merge / convert multiple PDF files into one PDF

...er to provide out.pdf, or else it will overwrite the last file in your command, sigh. – mlissner Oct 19 '13 at 22:20 10 ...
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How does python numpy.where() work?

I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where() : ...
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?

...ing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators? ...
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HTTP 404 Page Not Found in Web Api hosted in IIS 7.5

...t using the VS 2010 debugging dev server. But I now deployed it to IIS 7.5 and I am getting a HTTP 404 error when trying to access the application. ...
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What's the safest way to iterate through the keys of a Perl hash?

...ng each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way? ...
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Performance of foreach, array_map with lambda and array_map with static function

...2 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); $ret = $func($numbers); $t1 = microtime(1); return array($t1 - $t0, $ret); } function useForeach($numbers) {...
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller

...ernative is to create an intermediate Service layer between the Controller and the Repository that could expose methods which initialize lazy collections. Update: Please note that the above solution is easy, but results in two distinct queries to the database (one for the user, another one for its r...
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When are C++ macros beneficial? [closed]

The C preprocessor is justifiably feared and shunned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define . ...
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How can I check if a scrollbar is visible?

... Note that on Macs the scrollbar floats over the content and disappears when not in use. On Windows it is always visible and takes up horizontal space. Therefor, just because content can be scrolled (which this function detects) does not mean that a scrollbar is necessarily present...