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Eager load polymorphic
...ions are only supported by preload. It's in the documentation here: http://api.rubyonrails.org/v5.1/classes/ActiveRecord/EagerLoadPolymorphicError.html
So always use preload for polymorphic associations. There is one caveat for this: you cannot query the polymorphic assocition in where clauses (whi...
How do I limit the number of returned items?
...(10).select('published').exec(function(e, data){
...
});
Has the api perhaps changed? I am using version 3.8.19
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What Automatic Resource Management alternatives exist for Scala?
... Do you know if there is something like this in the standard API? Seems like a chore to have to write this for myself all the time.
– Daniel Darabos
Oct 15 '14 at 10:23
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Adding two Java 8 streams, or an extra element to a stream
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My StreamEx library extends the functionality of Stream API. In particular it offers methods like append and prepend which solve this issue (internally they use concat). These methods can accept either another stream or collection or varargs array. Using my library your problem ca...
Get last element of Stream/List in a one-liner
...of course) or not. The statement of Brian Goetz makes a point, further the API documentation states that reduce("", String::concat) is an inefficient but correct solution for string concatenation, which implies maintenance of the encounter order.The intention is well-known,the documentation has to c...
java: Class.isInstance vs Class.isAssignableFrom
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For brevity, we can understand these two APIs like below:
X.class.isAssignableFrom(Y.class)
If X and Y are the same class, or X is Y's super class or super interface, return true, otherwise, false.
X.class.isInstance(y)
Say y is an instance of class Y, if X ...
Can someone explain collection_select to me in clear, simple terms?
I am going through the Rails API docs for collection_select and they are god-awful.
2 Answers
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How to add facebook share button on my website?
...ry Library, I would preferred Google Library
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
Add share dialog box (You can customize this dialog box by setting up parameters
<script type="text/javascript">
$(document).r...
How to assign text size in sp value using java code
... work in SP (scales pixel)
public void setTextSize (float size)
Added in API level 1
Set the default text size to the given value, interpreted as "scaled pixel" units. This
size is adjusted based on the current density and user font size preference.
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Choosing the best concurrency list in Java [closed]
...nchronizedList(new ArrayList());
http://download.oracle.com/javase/6/docs/api/java/util/Collections.html#synchronizedList(java.util.List)
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