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Getting Checkbox Value in ASP.NET MVC 4
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@Html.EditorFor(x => x.Remember)
Will generate:
<input id="Remember" type="checkbox" value="true" name="Remember" />
<input type="hidden" value="false" name="Remember" />
How does it work:
If checkbox remains unchecked, the form submits only the hidden value (false)
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AngularJS ng-style with a conditional expression
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As @Yoshi said, from angular 1.1.5 you can use-it without any change.
If you use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok'...
Return all enumerables with yield return at once; without looping through
I have the following function to get validation errors for a card. My question relates to dealing with GetErrors. Both methods have the same return type IEnumerable<ErrorInfo> .
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SQL - many-to-many table primary key
...er. The surrogate is a waste of space.
You won't need indexes on the individual columns since the table should only ever be used to join the two referenced tables together.
That comment you refer to in the question is not worth the electrons it uses, in my opinion. It sounds like the author thinks...
Call AngularJS from legacy code
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Interop from outside of angular to angular is same as debugging angular application or integrating with third party library.
For any DOM element you can do this:
angular.element(domElement).scope() to get the current scope for the element
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Mongodb Explain for Aggregation framework
...rations
explain:true
db.collection.aggregate([
{ $project : { "Tags._id" : 1 }},
{ $unwind : "$Tags" },
{ $match: {$or: [{"Tags._id":"tag1"},{"Tags._id":"tag2"}]}},
{ $group: {
_id : "$_id",
count: { $sum:1 }
}},
{$sort: {"count":-1}}
],
{
explain:...
How do I get an element to scroll into view, using jQuery?
I have an HTML document with images in a grid format using <ul><li><img... . The browser window has both vertical & horizontal scrolling.
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Reference list item by index within Django template?
...ave an array in which I'm not sure of the index of my desired value {% for id in article_details.heading.contents.article_ids %} {% if id.type == 'DOI' %} {{ article_details.heading.contents.article_ids.forloop.counter0.value }} {% endif %} {% endfor %}
–...
Rails filtering array of objects by attribute value
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As @Vik's solution is pretty much ideal, I'll just add that in binary cases, you could use a 'partition' function to make things sweet. ruby-doc.org/core-1.9.3/Enumerable.html#method-i-partition
– Vlad
Jun 20 '16 at 21:...
Prevent segue in prepareForSegue method?
...nd later:
You have to implement the method
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
In your view controller. You do your validation there, and if it's OK then return YES; if it's not then return NO; and the prepareForSegue is not called.
Note that this ...