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Load dimension value from res/values/dimension.xml from source code
....dimen.test) / getResources().getDisplayMetrics().density)
dp will be 48 now
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CSS image resize percentage of itself?
... This doesn't resize the image to 50% of it's original size, it's now 50% of the parent of img_wrap..
– Wesley
May 25 '12 at 9:46
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What is the difference between __init__ and __call__?
I want to know the difference between __init__ and __call__ methods.
13 Answers
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Run function from the command line
...ng print foo.hello() with print(foo.hello()) did. I don't have the python knowledge to explain why this is, so if someone else could explain what can be going on, that would be greatly appreciated
– Jasper
Jan 4 at 3:13
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How can I get form data with JavaScript/jQuery?
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@BartvanHeukelom I know this is 4 years later, but .serializeArray() will return an array.
– TJ WealthEngine API Evangelist
Oct 30 '14 at 15:30
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ViewPager PagerAdapter not updating the View
...ts but doesn't default back to the first entry in the cursor. Does anyone know how to reset the position when updating the dataset?
– mAndroid
Sep 14 '11 at 5:16
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How to initialize static variables
...r = array(…);
}
}
Foo::init();
PHP 5.6 can handle some expressions now.
/* For Abstract classes */
abstract class Foo{
private static function bar(){
static $bar = null;
if ($bar == null)
bar = array(...);
return $bar;
}
/* use where necessary...
C# 4.0 optional out/ref arguments
...I: Included on the new features for C# 7.0 enumerated here, "discards" is now allowed as out parameters in the form of a _, to let you ignore out parameters you don’t care about:
p.GetCoordinates(out var x, out _); // I only care about x
P.S. if you're also confused with the part "out var x", r...
Query for documents where array size is greater than 1
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There's a more efficient way to do this in MongoDB 2.2+ now that you can use numeric array indexes in query object keys.
// Find all docs that have at least two name array elements.
db.accommodations.find({'name.1': {$exists: true}})
You can support this query with an index tha...
Check for null in foreach loop
..., consider changing the getter of Headers instead. null is the value of unknown so if possible instead of using null as "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no...