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Oracle SQL: Update a table with data from another table

... The downside of this is that the SELECT statement is repeated 3 times. In complex examples that can be a deal-breaker. – David Balažic Nov 21 '17 at 15:44 ...
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Regular expression to search for Gadaffi

... simplicity of this solution too, but I'm surprised that this will compile down to the same DFA. Do you have a link that talks about this? Intuitively this seems like it might be less efficient than the previously crafted regex or the answer below which suggests using the Regexp::Assemble perl mod...
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How do SO_REUSEADDR and SO_REUSEPORT differ?

... macOS fork with a slightly modified and trimmed kernel, somewhat stripped down user space toolset and a slightly different default framework set. watchOS and tvOS are iOS forks, that are stripped down even further (especially watchOS). To my best knowledge they all behave exactly as macOS does. Li...
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How to check if array is empty or does not exist? [duplicate]

...array, or is empty // ⇒ do not attempt to process array } To break it down: Array.isArray(), unsurprisingly, checks whether its argument is an array. This weeds out values like null, undefined and anything else that is not an array. Note that this will also eliminate array-like objects, such a...
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How to convert a PIL Image into a numpy array?

...umpy array, when using matplotlib imshow on the array, it showed it upside down requiring a np.flipud to fix. Although my PIL image was created from scratch using ImageDraw.Draw. I think one must be careful where the origin of their coordinates comes from. – CMCDragonkai ...
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Is there anyway to exclude artifacts inherited from a parent POM?

...don't want to go and have to push the other children's dependence on log4j down into their own pom.xml files so that mine is unobstructed. share | improve this answer | follo...
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Where does PHP's error log reside in XAMPP?

... Why was this downvoted? In the newer version of XAMPP, this is the correct directory. – cdmckay Dec 5 '12 at 21:10 2 ...
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Best practice for partial updates in a RESTful service

... this property" or "set this property to the empty value" - and that leads down a rabbit hole of hacked solutions that in the end will result in your own kind of patch format. You can find a more in-depth answer here: http://soabits.blogspot.dk/2013/01/http-put-patch-or-post-partial-updates.html. ...
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How do I handle newlines in JSON?

...es you have better ways to strip accents from unicode strings than writing down your own mapping function. See this question for an example in python: stackoverflow.com/questions/517923/… – MiniQuark Feb 1 '13 at 14:35 ...
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Should an Enum start with a 0 or a 1?

...'t have any constructors, but rely on object initializers instead. Hunting down such a bug can be extremely painful. Nevertheless, adding an unused enumeration value makes for an ugly API. I would avoid it for APIs geared for public consumption. – Allon Guralnek ...