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Saving enum from select in Rails 4.1

... What if an Invalid String is sent such as "ERROR_JUNK_Submission". Obviously there is no enum value such as this, and an exception is thrown. Where would we catch it? – FlyingV Nov 30 '15 at 19:54 ...
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IsNothing versus Is Nothing

... something End If Will not compile, instead the compiler will raise the error: 'Is' operator does not accept operands of type 'Integer'. Operands must be reference or nullable types. IsNothing(object) is actually part of part of the Microsoft.VisualBasic.dll. This is undesirable as you hav...
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How to activate an Anaconda environment

... As you can see from the error message the paths, that you specified, are wrong. Try it like this: activate ..\..\temp\venv\test However, when I needed to install Anaconda, I downloaded it from here and installed it to the default paths (C:\Anacon...
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POST request via RestTemplate in JSON

...ing 3.0, an easy way to avoid the org.springframework.web.client.HttpClientErrorException: 415 Unsupported Media Type exception, is to include the jackson jar files in your classpath, and use mvc:annotation-driven config element. As specified here. I was pulling my hair out trying to figure out why...
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Intelligent way of removing items from a List while enumerating in C#

...CopyTo(tmp); foreach(int i in tmp) { myIntCollection.Remove(42); //The error is no longer here. } share | improve this answer | follow | ...
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TypeScript sorting an array

... The error is completely correct. As it's trying to tell you, .sort() takes a function that returns number, not boolean. You need to return negative if the first item is smaller; positive if it it's larger, or zero if they're eq...
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Rails DB Migration - How To Drop a Table?

...igration is broken after running this command. Can not CREATE, DROP...ETC. ERROR SQLite3::SQLException: no such table: accruals: DROP TABLE "sometable" – zee Aug 23 '17 at 14:13 ...
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How to convert Set to String[]?

...InSet.size()]); This was my first answer in StackOverflow. Sorry for any error :D share | improve this answer | follow | ...
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How to delete all data from solr and hbase

... It doesn't work. I get: HTTP ERROR 404 Problem accessing /solr/update. Reason: Not Found from solr... – Stepan Yakovenko Dec 1 '16 at 6:45 ...
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Append a NumPy array to a NumPy array

... Well, the error message says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however: numpy.append(M, a) This will create a new array instead of mutating M in place. Note that using num...