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Dynamic cell width of UICollectionView depending on label width
...nViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
return "String".size(withAttributes: nil)
}
}
But you would most likely want to specify concrete string attributes respective to your cell, hence final return would look like:
extension ViewControl...
Change Twitter Bootstrap Tooltip content on click
I have a tooltip on an anchor element, that sends an AJAX request on click. This element has a tooltip (from Twitter Bootstrap). I want the tooltip content to change when the AJAX request returns successfully. How can I manipulate the tooltip after initiation?
...
Make elasticsearch only return certain fields?
...
Yep! Use a source filter. If you're searching with JSON it'll look something like this:
{
"_source": ["user", "message", ...],
"query": ...,
"size": ...
}
In ES 2.4 and earlier, you could also use the fields option to the search ...
What is the rationale behind having companion objects in Scala?
...ds Animal
{
def companion = Cat
}
Which produces this output:
scala> new Dog
1 dogs created so far
scala> new Cat
1 cats created so far
scala> new Dog
2 dogs created so far
scala> new Cat
2 cats created so far
...
Cast a Double Variable to Decimal
...ension method:
public static decimal ToDecimal(this double @double) =>
@double > (double) decimal.MaxValue ? decimal.MaxValue : (decimal) @double;
The above approach works if you do not want to bother handling overflow exceptions and if such a thing happen you want just to keep...
Git Alias - Multiple Commands and Parameters
..., but gives a spurious extra insertion of the argument ...
git chs demo -> git checkout demo && git status demo
But if you add && : to the end of your alias, then the spurious argument is consumed into a location tag.
So
[alias] chs = !git checkout $1 && git status &a...
What is the expected syntax for checking exception messages in MiniTest's assert_raises/must_raise?
...t "must raise" do
assert_raises RuntimeError do
bar.do_it
end
-> { bar.do_it }.must_raise RuntimeError
lambda { bar.do_it }.must_raise RuntimeError
proc { bar.do_it }.must_raise RuntimeError
end
If you need to test something on the error object, you can get it from the asse...
How to round an average to 2 decimal places in PostgreSQL?
...n of round that takes a precision is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argu...
Android notification is not showing
...ent = PendingIntent.getActivity(mContext, 0, ii, 0);
NotificationCompat.BigTextStyle bigText = new NotificationCompat.BigTextStyle();
bigText.bigText(verseurl);
bigText.setBigContentTitle("Today's Bible Verse");
bigText.setSummaryText("Text in detail");
mBuilder.setContentIntent(pendingIntent);
mB...
What is the proper way to re-attach detached objects in Hibernate?
...ed to persist the entity got closed:
Book _book = doInJPA(entityManager -> {
Book book = new Book()
.setIsbn("978-9730228236")
.setTitle("High-Performance Java Persistence")
.setAuthor("Vlad Mihalcea");
entityManager.persist(book);
return book;
});
While the entity is...