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How to set radio button checked as default in radiogroup?
...hould check the radiobutton in the radiogroup like this:
radiogroup.check(IdOfYourButton)
Of course you first have to set an Id to your radiobuttons
EDIT: i forgot, radioButton.getId() works as well, thx Ramesh
EDIT2:
android:checkedButton="@+id/my_radiobtn"
works in radiogroup xml
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How can I pair socks from a pile efficiently?
...ice_any_matching_pair();
remove_socks_pair_from_surface(pair);
}
At least this is what I am using in real life, and I find it very efficient. The downside is it requires a flat surface, but it's usually abundant.
shar...
Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
12 Answer...
Reference: What is variable scope, which variables are accessible from where and what are “undefined
...P 5.6). Assigning other values to it inevitably
leads to a failure at least at the moment this article was written.
Nevertheless you are able to do so just on the next line of your code:
function countSheep($num) {
static $counter = 0;
$counter += sqrt($num);//imagine we need to take root ...
Javascript - Append HTML to container element without innerHTML
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@kennydelacruz: The OP didn't want to append new HTML to an existing HTML because it destroys and recreates the existing elements. The OP found a solution by creating a new element and append that but they didn't want to add an additional element. I...
MySQL join with where clause
...N user_category_subscriptions ON
user_category_subscriptions.category_id = categories.category_id
and user_category_subscriptions.user_id =1
See, with an inner join, putting a clause in the join or the where is equivalent. However, with an outer join, they are vastly different.
As a join...
Joining three tables using MySQL
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Simply use:
select s.name "Student", c.name "Course"
from student s, bridge b, course c
where b.sid = s.sid and b.cid = c.cid
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How to use Single TextWatcher for multiple EditTexts?
I have three EditText widgets in my view layout. Is there a way to use a single TextWatcher for all three EditTexts ?
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Change the name of the :id parameter in Routing resources for Rails
...he post is https://thoughtbot.com/blog/rails-patch-change-the-name-of-the-id-parameter-in
5 Answers
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Android: remove notification from notification bar
...ted an application and with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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