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How to concatenate strings of a string field in a PostgreSQL 'group by' query?

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How to check “hasRole” in Java Code with Spring Security?

... | edited Nov 23 '18 at 4:43 WildDev 1,92044 gold badges2424 silver badges5858 bronze badges answered ...
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Vertical line using XML drawable

... Jeehut 14k77 gold badges5050 silver badges6666 bronze badges answered Apr 17 '10 at 16:08 CommonsWareCommonsW...
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Get index of selected option with jQuery

... 343 The first methods seem to work in the browsers that I tested, but the option tags doesn't reall...
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What are the options for storing hierarchical data in a relational database? [closed]

...783 (70 times slower instead of just 10) Duration for 100,000 Nodes = 00:49:59:730 (3,446 times slower instead of just 100) Duration for 1,000,000 Nodes = 'Didn't even try this' And here's the duration for the new method (with the push stack method in parenthesis). Duration for 1,000 Nodes...
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Android studio using > 100% CPU at all times - no background processes appear to be running

... answered Nov 24 '13 at 16:22 muneikhmuneikh 1,89144 gold badges2222 silver badges5353 bronze badges ...
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Relationship between SciPy and NumPy

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Block Comments in Clojure

... 145 Actually, there is a way! (comment (defn hey [] ("Hey there!")) Check me out! ) Just wr...
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Find the nth occurrence of substring in a string

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get CSS rule's percentage value in jQuery

...mputed value – Anthony Johnston Feb 4 '11 at 13:04 2 @shevski it works fine, you have to add clas...