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Rails 4 - Strong Parameters - Nested Objects
...sted object within an array. In your case it would be
Update as suggested by @RafaelOliveira
params.require(:measurement)
.permit(:name, :groundtruth => [:type, :coordinates => []])
On the other hand if you want nested of multiple objects then you wrap it inside a hash… like this
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Decreasing height of bootstrap 3.0 navbar
... check my answer on this page... the min-height for .navbar is set to 50px by default, so if you set the height to 28px it will be overridden by the 50px min-height...
– patrick
Nov 2 '13 at 0:04
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cannot find zip-align when publishing app
...I encouraged everyone to update to Android SDK Build-tools 20 as suggested by Pang in the post below.
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Is there a cross-domain iframe height auto-resizer that works?
...o/blog/index.php/2010/02/19/resizing-iframes-using-easyxdm/
Easy XDM works by using PostMessage on modern browsers and a Flash based solution as fallback for older browsers.
See also this thread on Stackoverflow (there are also others, this is a commonly asked question). Also, Facebook would seem to...
Learning Ant path style
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Most upvoted answer by @user11153 using tables for a more readable format.
The mapping matches URLs using the following rules:
+-----------------+---------------------------------------------------------+
| Wildcard | Descr...
Disable intellij indexing on specific folder
...ith @BT, this is a poor solution since it exclude from the artifacts built by IntelliJ.
– Chico Sokol
Aug 18 '15 at 23:27
2
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Is there a way to quickly find files in Visual Studio 2010?
...e "open" then start typing file names and it will dynamically autocomplete by available solution file name.
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Error Code: 2013. Lost connection to MySQL server during query
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If your query has blob data, this issue can be fixed by applying a my.ini change as proposed in this answer:
[mysqld]
max_allowed_packet=16M
By default, this will be 1M (the allowed maximum value is 1024M). If the supplied value is not a multiple of 1024K, it will automatica...
How to put an image in div with CSS?
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This answer by Jaap :
<div class="image"></div>
and in CSS :
div.image {
content:url(http://placehold.it/350x150);
}
you can try it on this link :
http://jsfiddle.net/XAh2d/
this is a link about css content
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Proper use of 'yield return'
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Using your Version 2, you must have the complete list before returning.
By using yield-return, you really only need to have the next item before returning.
Among other things, this helps spread the computational cost of complex calculations over a larger time-frame. For example, if the list is ...