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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...consider using the before_validation callback.
– tokland
Jul 15 '10 at 10:13
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Best content type to serve JSONP?
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Based on the information in this article text/javascript and application/javascript would work in IE 9. I wonder @pit-digger if the server just wasn't returning the correct content-type header.
– spig
May 6 '14 at 14:13
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Getting binary content in Node.js using request
I was trying to GET a binary data using request , and had something like:
2 Answers
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How do I convert a String object into a Hash object?
...en its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax.
However, if all that's in the hash is strings, symbols, numbers, and arrays, it should work, because those have...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...tion. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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What does inverse_of do? What SQL does it generate?
I'm trying to get my head around inverse_of and I do not get it.
8 Answers
8
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SQL selecting rows by most recent date
Using the following query and results, I'm looking for the most recent entry where the ChargeId and ChargeType are unique.
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How do I convert a Java 8 IntStream to a List?
I'm looking at the docs for the IntStream , and I see an toArray method, but no way to go directly to a List<Integer>
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How to read an external local JSON file in JavaScript?
I have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:
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Android Eclipse - Could not find *.apk
I know this question has been asked before and I have seen a plethora of solutions out there, yet none seem to work for me. I was able to build my apk without issues until this error started cropping up. I have tried cleaning my project, removing it from the workspace and reimporting it, removing ...