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form_for with nested resources
...pp/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you want a URI,...
Hiding textarea resize handle in Safari
...max-width opportunity also works in firefox 4.0 (b3pre). good example here by the way: http://www.alanedwardes.com/posts/safari-and-resizable-textboxes/
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angularjs: ng-src equivalent for background-image:url(…)
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and the view if you use the ng-if like below then you will get the image by interpolation otherwise, you can't get the image because directive get the value before HTTP request.
<div class="stat-banner" ng-if="banner.image" background-image-directive="{{banner.image}}">
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How to get the difference between two arrays of objects in JavaScript
...icate and two lists and returned the symmetric difference of the two lists by applying the predicate appropriately. (Extra points if it were more efficient than having to run through all m * n comparisons twice!)
– Scott Sauyet
Feb 24 '14 at 12:55
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Delete file from internal storage
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@user661543 What's full path returned by the ih.getImgPath()? What you'd passed as an argument to delete file? If the method above didn't work then most likely stored your file out of application package. Or you might have passed wrong file name as an argument.
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rails simple_form - hidden field - create?
... "some value"
Shorter, DRYer and perhaps more obvious.
Of course with ruby 1.9 and the new hash format we can go 3 characters shorter with...
=f.hidden_field :title, value: "some value"
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Get checkbox value in jQuery
... this:
$("input[type='checkbox']").val();
Or if you have set a class or id for it, you can:
$('#check_id').val();
$('.check_class').val();
However this will return the same value whether it is checked or not, this can be confusing as it is different to the submitted form behaviour.
To check w...
Yes or No confirm box using jQuery
...the answer back from the dialog box but eventually came up with a solution by combining the answer from this other question display-yes-and-no-buttons-instead-of-ok-and-cancel-in-confirm-box with part of the code from the modal-confirmation dialog
This is what was suggested for the other question:
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How to Create a circular progressbar in Android which rotates on it?
...ar.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="270"
android:toDegrees="270">
<shape
android:innerRadiusRatio="2.5"
android:shape="ring"
android:thickness="1dp"
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IIS AppPoolIdentity and file system write access permissions
... in IIs creates its own secure user folder with FULL read/write permission by default under c:\users. Open up your Users folder and see what application pool folders are there, right click, and check their rights for the application pool virtual account assigned. You should see your application pool...