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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
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According to APIdock the name has to be a string, not a symbol
– Jaco Pretorius
Dec 31 '13 at 14:38
7
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The model backing the context has changed since the database was created
...you or anyone get the Invalid object name 'dbo.Table check your connection string attachDbFilename and initial catalog
– benscabbia
Jan 12 '17 at 7:28
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How to fix .pch file missing on build?
...dafx.h or pch.hpp) lists standard headers such as <iostream> and <string>, and this is then included in the stub file. Compiling this creates the .pch file.
In step 2, your actual source code includes the same small header from step 1 as the first header. The compiler, when it encounter...
Overcoming “Display forbidden by X-Frame-Options”
...re your own pages), simply sending another X-Frame-Options header with any string at all disables the SAMEORIGIN or DENY commands.
eg. for PHP, putting
<?php
header('X-Frame-Options: GOFORIT');
?>
at the top of your page will make browsers combine the two, which results in a header o...
How to use my view helpers in my ActionMailer views?
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if the helper is in a namespace it also accepts just a string (instead of a symbol) helper 'namespace/mail'
– Pwnrar
Nov 17 '16 at 0:04
2
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Why would an Enum implement an Interface?
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// methods here
}
enum SimpleDataType implements DataType {
INTEGER, STRING;
// implement methods
}
class IdentifierDataType implements DataType {
// implement interface and maybe add more specific methods
}
sha...
WPF vs Silverlight [duplicate]
...and objects within the framework. For instance, the Split() method on the String class has 3 overrides in Silverlight, but 6 in the .Net Framework. You'll see differences like this a lot.
Within WPF, all visually rendering elements derive from the Visual base class. Within Silverlight, they do no...
Is there a better way to run a command N times in bash?
...h for (n=0;n<k;n++)) may be better; I suspect {1..k} will materialize a string with all those integers separated by spaces.
– Joe Koberg
Sep 17 '10 at 18:07
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Can you avoid Gson converting “” into unicode escape sequences?
I noticed that Gson converts the string "
1 Answer
1
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Sorting list based on values from another list?
I have a list of strings like this:
15 Answers
15
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