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What is a 'SAM type' in Java?
...nable, Callable, etc. Lambda expressions, a new feature in Java 8, are considered a SAM type and can be freely converted to them.
For example, with an interface like this:
public interface Callable<T> {
public T call();
}
You can declare a Callable using lambda expressions like this:
...
ElasticSearch: Unassigned Shards, how to fix?
...
I added both in my es yml file. index.routing.allocation.disable_allocation : false cluster.routing.allocation.enable: none But still the unassigned shards are showing.. What can be the reason ?
– bagui
Jan 10 '...
jQuery: Get height of hidden element in jQuery
I need to get height of an element that is within a div that is hidden. Right now I show the div, get the height, and hide the parent div. This seems a bit silly. Is there a better way?
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Pass a variable into a partial, rails 3?
...
Try this:
<% @posts.each do |post| %>
<%= render 'middle', :post => post %>
<% end %>
Like this you'll have a local variable post available within the partial.
share
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Are C# events synchronous?
...ng is done by simply invoking the final combined delegate
Here's what I did. The program I used:
public class Foo
{
// cool, it can return a value! which value it returns if there're multiple
// subscribers? answer (by trying): the last subscriber.
public event Func<int, string>...
Why git AuthorDate is different from CommitDate?
...ommit). According to the docs of git commit, the author date could be overridden using the --date switch.
The commit date gets changed every time the commit is being modified, for example when rebasing the branch where the commit is in on another branch (more).
Same could happen if you make your c...
How to change the map center in Leaflet.js
...a new point in polyline at every second. Check the code :
GOOD: https://jsfiddle.net/nstudor/xcmdwfjk/
mymap.setView(point, 11, { animation: true });
BAD: https://jsfiddle.net/nstudor/Lgahv905/
mymap.panTo(point);
mymap.setZoom(11);
...
How should I validate an e-mail address?
...a-zA-Z0-9\\-]{0,25}" +
")+"
);
refer to: http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.2_r1.1/android/util/Patterns.java
So you can build it yourself for compatibility with API < 8.
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
...sclusters
Ver Cluster Port Status Owner Data directory Log file
11 main 5432 online postgres /var/lib/postgresql/11/main /var/log/postgresql/postgresql-11-main.log
$ sudo systemctl stop postgresql@11-main
$ sudo pg_dropcluster --stop 11 main
$ sudo pg_createcluster --start 11 mai...
Is there a way to squash a number of commits non-interactively?
...'------------------------------------'
echo 'here is your global gitconfig file:'
echo '------------------------------------'
more ~/.gitconfig
echo
echo
echo '----------------'
echo 'end of script...'
echo '----------------'
...