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Laravel Check If Related Model Exists
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$model->relation; // Eloquent Model
count($model->relation); // 1 evaluates to true
to-many relations: hasMany / belongsToMany / morphMany / morphToMany / morphedByMany
// no related collection
$model->relation; // Collection with 0 items evaluates to true
count($model->relation)...
What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
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Where does the iPhone Simulator store its data?
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- how to allow only one item selected?
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edited Sep 3 '16 at 5:52
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What is the equivalent of “android:fontFamily=”sans-serif-light" in Java code?
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It should be possible with setTypeface() and Typeface.create():
convertView.setTypeface(Typef...
Using an integer as a key in an associative array in JavaScript
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Volatile Vs Atomic [duplicate]
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154
The effect of the volatile keyword is approximately that each individual read or write operati...
What is a Lambda?
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135
Closures, lambdas, and anonymous functions are not necessarily the same thing.
An anonymous f...
How do I conditionally apply CSS styles in AngularJS?
Q1. Suppose I want to alter the look of each "item" that a user marks for deletion before the main "delete" button is pressed. (This immediate visual feedback should eliminate the need for the proverbial "are you sure?" dialog box.) The user will check checkboxes to indicate which items should be d...
Remove 'a' from legend when using aesthetics and geom_text
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Set show.legend = FALSE in geom_text:
ggplot(data = iris,
aes(x = Sepal.Length, y = Se...