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How to change background color in android app
I want to be able to change the background color to white in my android app in the simplest way possible.
19 Answers
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Select Last Row in the Table
...le inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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How can I scroll to a specific location on the page using jquery?
...t);
only to sum up, use the window.location.hash to jump to element with ID
window.location.hash = '#your-page-element';
Directly in HTML (accesibility enhancements)
<a href="#your-page-element">Jump to ID</a>
<div id="your-page-element">
will jump here
</div>
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Show dialog from fragment?
...it more verbose than the classic managed dialogs approach of previous Android revisions, but it is now the preferred method. You can avoid referencing the Activity entirely by using the putFragment and getFragment methods of FragmentManager, allowing the DialogFragment to report back directly to the...
The tilde operator in Python
...sentation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer. So for integers, ~x is equivalent to (-x) - 1.
The reified form of the ~ operator is provided as operator.invert. To support this operator in your ...
Check if table exists in SQL Server
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A response below that uses the OBJECT_ID function does operate correctly regarding per connection temp tables - stackoverflow.com/a/2155299/16147
– Rich Rousseau
Sep 4 '12 at 15:09
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How to replace a hash key with another key
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deep_transform_keys can be used for it :) apidock.com/rails/v4.2.1/Hash/deep_transform_keys
– gayavat
Nov 30 '15 at 6:28
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Detect when browser receives file download
...figure out how to detect when the browser has received the file, so I can hide the indicator.
22 Answers
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Tying in to Django Admin's Model History
...min.models import LogEntry, ADDITION
LogEntry.objects.log_action(
user_id = request.user.pk,
content_type_id = ContentType.objects.get_for_model(object).pk,
object_id = object.pk,
object_repr = force_unicode(object),
action_flag = ADDITION
)
where object...
SQL RANK() versus ROW_NUMBER()
...bout the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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