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How to flatten tree via LINQ?
...IEnumerable<MyNode> Flatten(IEnumerable<MyNode> e) =>
e.SelectMany(c => Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnume...
Why doesn't await on Task.WhenAll throw an AggregateException?
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Excellent clear answer, this should IMO be the selected one.
– bytedev
Feb 22 '18 at 17:16
3
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Is there a way to make a link clickable in the OSX Terminal?
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I had always been selecting the URL first (dragging the cursor from the start to end of the URL), then right clicking. I learned today, while reading through these answers, that it was not necessary to select the URL; simply right clicking on ...
One Activity and all other Fragments [closed]
...I used the single Activity approach and a Facebook style navigation. When selecting items from the navigation list I update a single Fragment container to display that section.
That said, having a single Activity also introduces a lot of complexities. Let's say you have an edit form, and for so...
UILabel sizeToFit doesn't work with autolayout ios6
...ContentHuggingPriority and vertical ContentCompressionResistancePriority.
Select and edit height constraint.
And decrease height constraint priority.
Enjoy. :)
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How to disable copy/paste from/to EditText
...y,paste,cut and custom context menus from appearing by.
edittext.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
public void onDestroyActionMode(Ac...
How do I flush the PRINT buffer in TSQL?
...y the following;
-- Replace PRINT function
DECLARE @strMsg NVARCHAR(100)
SELECT @strMsg = 'Here''s your message...'
RAISERROR (@strMsg, 0, 1) WITH NOWAIT
OR
RAISERROR (n'Here''s your message...', 0, 1) WITH NOWAIT
sha...
How do I get the entity that represents the current user in Symfony2?
...regular dql like
$em = $this->get('doctrine.orm.entity_manager');
"SELECT u FROM Acme\AuctionBundle\Entity\User u where u.username=".$username;
$q=$em->createQuery($query);
$user=$q->getResult();
the $user should now hold the user with this username ( you could also use other fields ...
Adding local .aar files to Gradle build using “flatDirs” is not working
... to why my next button is grayed out on the Create New Module dialog after selecting Import JAR/AAR Package?
– Kevin Crain
Nov 9 '16 at 8:50
1
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IIS AppPoolIdentity and file system write access permissions
...ty of IIS APPPOOL\900300. Right clicking on properties for the process and selecting the Security tab we see:
As we can see IIS APPPOOL\900300 is a member of the Users group.
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