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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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Warning: Found conflicts between different versions of the same dependent assembly
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But now that I have this information, how do I remove the error? I can see what the conflict is, but I can't find where the project is referencing the conflicting version
– Bassie
Nov 10 '16...
How to access cookies in AngularJS?
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Use $cookies, $cookieStore is now deprecated
– Niklas Ekman
Jun 24 '15 at 11:24
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What is the difference between the bridge pattern and the strategy pattern?
...apsulate out a specific behavior and not the entire implementation) would know/contain the strategy interface reference and the implementation to invoke the strategy behavior on it.
Intent is ability to swap behavior at runtime
class Context {
IStrategy strategyReference;
void strategic...
Multiple Inheritance in C#
...ile having upcasts and downcasts be identity-preserving? The solutions I know of for the problems of multiple inheritance revolve around having casts that are not identity-preserving (if myFoo is of type Foo, which inherits from Moo and Goo, both of which inherit from Boo, then (Boo)(Moo)myFoo and ...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...our validation data a number of times, and observe performance. You should now find that the mean performance on small samples of your validation data is roughly the same as the performance on all the validation data, but the variance is much higher with smaller numbers of test samples
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Elegant solution to duplicate, const and non-const, getters? [duplicate]
...d coupling (ooh-er!). But I will not attempt the syntax for doing so right now. Feel free to add.
Chances are that BigChunk needs to deference self, in which case the above order of definition isn't going to work very well, and some forward declarations will be needed to sort it out.
Also, in orde...
Insert line break inside placeholder attribute of a textarea?
I have tried a few approaches but none worked. Does anyone know a the nifty trick to get around this?
21 Answers
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Rendering a template variable as HTML
... I think I got the wrong end of the stick here, but I leave the answer for now.
– Marcus Whybrow
Jan 31 '11 at 7:50
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java.lang.RuntimeException: Unable to instantiate activity ComponentInfo
...er. It's pretty silly but thanks a lot. It had been Haunting me for a week now.
– meain
Jun 28 '15 at 11:30
was doing ...