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HTML.ActionLink method
...h are none. You need this value
// otherwise you call the WRONG method ...
// (refer to comments, below).
)
This uses the following method ActionLink signature:
public static string ActionLink(this HtmlHelper htmlHelper,
...
Rails :include vs. :joins
...ns will just joins the tables and brings selected fields in return. if you call associations on joins query result, it will fire database queries again
:includes will eager load the included associations and add them in memory. :includes loads all the included tables attributes. If you call associa...
Rails Object to hash
...nly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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How to read an external local JSON file in JavaScript?
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You cannot make a AJAX call to a local resource as the request is made using HTTP.
A workaround is to run a local webserver, serve up the file and make the AJAX call to localhost.
In terms of helping you write code to read JSON, you should read t...
Where'd padding go, when setting background Drawable?
... For anyone who run into some problems using this approach, be sure to call getPadding... BEFORE call setBackgroundResource().
– Chris.Zou
Dec 31 '13 at 3:36
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Call AngularJS from legacy code
...S to build HTML controls that interact with a legacy Flex application. All callbacks from the Flex app must be attached to the DOM window.
...
How to click or tap on a TextView text
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Don't forget the clickable attribute, without it, the click handler isn't called.
main.xml
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<TextView
android:id="@+id/click"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
andro...
How to decorate a class?
... 2.5, is there a way to create a decorator that decorates a class? Specifically, I want to use a decorator to add a member to a class and change the constructor to take a value for that member.
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Please explain the exec() function and its family
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Simplistically, in UNIX, you have the concept of processes and programs. A process is an environment in which a program executes.
The simple idea behind the UNIX "execution model" is that there are two operations you can do.
The first...
Datepicker: How to popup datepicker when click on edittext
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@SatanEnglish - focuseable = "false" is HUGE here. good call on that, i wish I could +5 you for mentioning it
– user2163298
Sep 14 '14 at 21:19
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