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Using -performSelector: vs. just calling the method
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Basically performSelector allows you to dynamically determine which selector to call a selector on the given object. In other words the selector need not be determined before runtime.
Thus even though these are equivalent:
[anObject ...
How to clear a notification in Android
...er.cancel(NOTIFICATION_ID);
In this code there is alway the same id used for notifications. If you have different notifications that need to be canceled you have to save the ids that you used to create the Notification.
sh...
How do I align views at the bottom of the screen?
...dOf="parent" />
</android.support.constraint.ConstraintLayout>
For reference, I will keep my old answer.
Before the introduction of ConstraintLayout the answer was a relative layout.
If you have a relative layout that fills the whole screen you should be able to use android:layout_al...
How can I get the current user's username in Bash?
...you don't need to make a variable since that is what the $USER variable is for.
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Find a string by searching all tables in SQL Server Management Studio 2008
Is there any way to search for a string in all tables of a database in SQL Server Management Studio 2008?
8 Answers
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@RequestParam in Spring MVC handling optional parameters
Is it possible for a Spring controller to handle both kind of requests?
3 Answers
3
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MySQL Multiple Joins in one query?
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That's what the ON clause will tell you. The ON clause for the 2nd join (joining the third table) is joining dashboard_messages to images on the image_id field in each table. So, in this case it's A to B then B to C. It's under your control. You could make it A to B and A to C if...
How to get the body's content of an iframe in Javascript?
...e found in jQuery's source code.
It's just one line of native JavaScript.
For me it's the best, easy readable and even afaik the shortest way to get the iframes content.
First get your iframe
var iframe = document.getElementById('id_description_iframe');
// or
var iframe = document.querySelector...
MongoDB, remove object from array
...asDelValle if I remember correctly, these were options upsert and multi. For current syntax & documentation check this link: docs.mongodb.com/manual/reference/method/db.collection.update
– Lukas Liesis
Apr 16 '18 at 13:03
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Android Fragment no view found for ID?
...tainer with calling getChildFragmentManager(). Pointing this out solved it for me. Thanks +1
– speedynomads
Sep 4 '13 at 14:23
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