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Python subprocess/Popen with a modified environment
...Daniel Burke suggested in the currently accepted answer but your answer is more succinct. In Python 3.5+ you could even do dict(**{'x': 1}, y=2, **{'z': 3}). See pep 448.
– jfs
Mar 12 '15 at 22:34
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Why would an Enum implement an Interface?
...n't just have to represent passive sets (e.g. colours). They can represent more complex objects with functionality, and so you're then likely to want to add further functionality to these - e.g. you may have interfaces such as Printable, Reportable etc. and components that support these.
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What is a user agent stylesheet?
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Why use multiple columns as primary keys (composite primary key)
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You use a compound key (a key with more than one attribute) whenever you want to ensure the uniqueness of a combination of several attributes. A single attribute key would not achieve the same thing.
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MySQL JOIN the most recent row only?
... because this answer (sorry Daniel) is terribly slow with longer queries / more data. Made my page "wait" for 12 seconds to load; So please also check stackoverflow.com/a/35965649/2776747 . I didn't notice it till after a lot of other changes so it took me very long to find out.
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How do you get the length of a list in the JSF expression language?
...oo. +1. But until JEE 6 is widely supported, I'll probably stick with the "more standard" JSTL function.
– Hosam Aly
Sep 2 '09 at 5:08
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How to submit a form with JavaScript by clicking a link?
...y default it's set to "onLoad" after which DOMContentReady doesn't fire anymore.
– ComFreek
Sep 5 '16 at 9:45
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Counting the occurrences / frequency of array elements
... works (equivalent to the if(!result[a[i]])result[a[i]]=0 answer, which is more elegant but less easy to read); this answers can be modified to use a "nicer" version of the for loop, perhaps a third-party for-loop, but I sort of ignored that since the standard index-based for-loops are sadly the def...