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How to send parameters from a notification-click to an activity?
...d to samples ApiDemos "StatusBarNotifications" and "NotificationDisplay".
For managing if the activity is already running you have two ways:
Add FLAG_ACTIVITY_SINGLE_TOP flag to the Intent when launching the activity, and then in the activity class implement onNewIntent(Intent intent) event han...
Pandas dataframe get first row of each group
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If you want multiples, like the first three, for example, use a sequence like nth((0,1,2)) or nth(range(3)).
– Ronan Paixão
Sep 8 '16 at 2:34
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What does inverse_of do? What SQL does it generate?
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From the documentation, it seems like the :inverse_of option is a method for avoiding SQL queries, not generating them. It's a hint to ActiveRecord to use already loaded data instead of fetching it again through a relationship.
Their example:
class Dungeon < ActiveRecord::Base
has_many :tra...
How to change the session timeout in PHP?
...ng session.gc_maxlifetime along with session_set_cookie_params should work for you like this:
// server should keep session data for AT LEAST 1 hour
ini_set('session.gc_maxlifetime', 3600);
// each client should remember their session id for EXACTLY 1 hour
session_set_cookie_params(3600);
session_...
Select2 dropdown but allow new values by user?
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For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use something like:
$(selector).select2({
minimumInputLength:1,
"ajax": {
data:function (term, page) {
return { term:te...
Jquery If radio button is checked
... in order to wrap the <input /> elements with <label>s - allow for clicking the text to update the relevant <input /> - and changing the means of creating the content to append:
var appended = $('<div />', {
'id': 'appended',
'text': 'Appended content'
});
$('inp...
Delete sql rows where IDs do not have a match from another table
...id
FROM FILES f)
Warning
Whenever possible, perform DELETEs within a transaction (assuming supported - IE: Not on MyISAM) so you can use rollback to revert changes in case of problems.
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How can I remove a button or make it invisible in Android?
...button will be completely "removed" -- the buttons space will be available for another widgets) or INVISIBLE (button will became "transparent" -- its space will not be available for another widgets):
View b = findViewById(R.id.button);
b.setVisibility(View.GONE);
or in xml:
<Button ... androi...
SQL Server - Return value after INSERT
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No need for a separate SELECT...
INSERT INTO table (name)
OUTPUT Inserted.ID
VALUES('bob');
This works for non-IDENTITY columns (such as GUIDs) too
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Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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