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Scala: Nil vs List()
In Scala, is there any difference at all between Nil and List() ?
3 Answers
3
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...Changed;
}
public void ContentCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
//This will get called when the collection is changed
}
}
Okay, that's twice today I've been bitten by the MSDN documentation being wrong. In the link I gave you it says:...
What is the difference between `git merge` and `git merge --no-ff`?
Using gitk log , I could not spot a difference between the two. How can I observe the difference (with a git command or some tool)?
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Is it possible to cast a Stream in Java 8?
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@LordOfThePigs Yes it works although I am not sure if the code gets clearer. I have added the idea to my answer.
– assylias
Jun 22 '14 at 22:38
40
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In Sublime Text 2, how do I open new files in a new tab?
When I'm editing with files on the server, and I click to edit them, if I'm editing multiple files (say an HTML file and a CSS file) but they open in new windows, which, on my small laptop display is a little inconvenient.
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How do I create a directory from within Emacs?
...exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 Answer...
Is it possible for a unit test to assert that a method calls sys.exit()
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+1, except that if he wants to verify that it calls sys.exit(1) (as opposed to, say, sys.exit(0)) you need to actually assert its code is 1. I guess you could do that with assertRaisesRegexp(SystemExit, '1')?
– abarnert...
Postgres could not connect to server
... -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8 removed my old databases and then reinitialized the postgres db schema.
Thanks to https://gi...
Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0
I'm currently uploading my App to the App Store and Apple is asking me if this app users IDFA. I'm using the latest Admob SDK or 6.8.0 and I don't know if it uses IDFA or not, and if it does which check boxes should I hit X.X
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mkdir's “-p” option
...ertips: man mkdir yields this about -p switch:
-p, --parents
no error if existing, make parent directories as needed
Use case example: Assume I want to create directories hello/goodbye but none exist:
$mkdir hello/goodbye
mkdir:cannot create directory 'hello/goodbye': No such file or directo...