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g++ undefined reference to typeinfo
...Such access can happen when you create an object of the class, use dynamic_cast etc.
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dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
...solutions worked. We discovered that there is an flag ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES (in earlier versions: "Embedded Content Contains Swift Code") in the Build Settings that needs to be set to YES. It was NO by default!
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How to make a select with array contains value clause in psql
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And this also prevents me from needing to cast to varchar, as in s @> ARRAY['constant'::varchar], shorter.
– Andrew Backer
Jul 4 '17 at 15:34
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How can I turn a List of Lists into a List in Java 8?
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If you need to do explicit casting (array of primitives to List for example) then lambdas may be necessary as well.
– Michael Fulton
May 28 '17 at 3:58
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How to dynamically create a class?
...c base class or interface that your dynamic class inherits from and can be casted to. In that case you can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter (is null now)
– danijels
Oct 5 '1...
sed edit file in place
...am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a dif...
Can I bind an array to an IN() condition?
...operator does not exist: integer = text. At least you need to add explicit casting.
– collimarco
Dec 15 '13 at 17:39
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What does (x ^ 0x1) != 0 mean?
...oint to integer is called for, the conversion is implicit (doesn't require cast syntax). But no conversion is triggered by bitwise operators, they simply fail for floating-point types.
– Ben Voigt
Dec 20 '13 at 5:37
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Where is my .vimrc file?
I have been using Vim , and I would really like to save my settings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
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Throw an error in a MySQL trigger
...cat('MyTriggerError: Trying to insert a negative value in trigger_test: ', cast(new.id as char));
signal sqlstate '45000' set message_text = msg;
end if;
end
//
delimiter ;
-- run the following as seperate statements:
insert into trigger_test values (1), (-1), (2); -- everything fails a...