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Android: How can I validate EditText input?
I need to do form input validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation after the user types into each one, but this doesn't behave as desired for the last EditText.
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Why does += behave unexpectedly on lists?
... immutable types, which might seem a strange design decision until you consider that otherwise you couldn't use += on immutable types like numbers!
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JavaScript/jQuery to download file via POST with JSON data
...just clarified a previous solution, so don't have any other advice I'm afraid.
– SamStephens
Jul 19 '13 at 14:26
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How to make a query with group_concat in sql server [duplicate]
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Query:
SELECT
m.maskid
, m.maskname
, m.schoolid
, s.schoolname
, maskdetail = STUFF((
SELECT ',' + md.maskdetail
FROM dbo.maskdetails md
WHERE m.maskid = md.maskid
FOR XML PATH(''), TYPE)....
How to split a string at the first `/` (slash) and surround part of it in a ``?
I want to format this date: <div id="date">23/05/2013</div> .
7 Answers
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How do you set EditText to only accept numeric values in Android?
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Add android:inputType="number" as an XML attribute.
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Add new methods to a resource controller in Laravel
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How would you pass a parameter like {id}? Currently I've coded my custom method inline in routes.php (like the example here laravel.com/docs/5.1/routing#route-parameters). Ideally I'd like to pass the parameter to run in FooController.
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store and retrieve a class object in shared preference
In Android can we store an object of a class in shared preference and retrieve the object later?
13 Answers
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How to make links in a TextView clickable?
...ntMethod() on the TextView object.
TextView t2 = (TextView) findViewById(R.id.text2);
t2.setMovementMethod(LinkMovementMethod.getInstance());
I removed most of the attributes on my TextView to match what was in the demo.
<TextView
android:id="@+id/text2"
android:layout_width="...
How do I force Postgres to use a particular index?
...on "index hinting" feature found in many databases, PostgreSQL doesn't provide such a feature. This was a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause m...