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In Scala how do I remove duplicates from a list?
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scala.collection.immutable.List now has a .distinct method.
So calling dirty.distinct is now possible without converting to a Set or Seq.
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Rebase array keys after unsetting elements
...'a', 'b', 'c', 'd');
unset($array[2]);
$array = array_merge($array);
Now the $array keys are reset.
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How to access the local Django webserver from outside world
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@S.Lott: Oh thank you. I know, it was in my mind as wrote it but somehow didn't make it to the keyboard ;)
– Felix Kling
Feb 14 '10 at 12:07
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what exactly is device pixel ratio?
this is mentioned every article about mobile web, but nowhere I can found an explanation of what exactly does this attribute measure.
Can anyone please elaborate what does queries like this check?
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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
... still possible:
realMap.put("E", "F");
// The change in the "realMap" is now also visible
// in the "unmodifiableMap". So the unmodifiableMap
// has changed after it has been created.
unmodifiableMap.get("E"); // Will return "F".
In contrast to that, the ImmutableMap of Guava is really immutabl...
Converting an integer to a string in PHP
... @SimonForsberg I tested this with php 7.4.8 and it converts 0 to "0" now
– MADforFUNandHappy
Jul 15 at 15:31
@MA...
Using getResources() in non-activity class
...be GCed due to this other static object. So yes, it can be dangerous, but knowing why it is dangerous I feel is important to mention here.
– Dororo
Feb 4 '14 at 9:09
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How can I maximize the editor pane in IntelliJ IDEA?
...IntelliJ IDEA 14.0.3 on MacOS X.
UPDATE on 2015-03-24:
IntelliJ IDEA 14.1 now has support for Distraction Free Mode. You can invoke it by clicking View > Enter Distraction Free Mode. In this mode, IntelliJ hides everything but the menu. For more details, follow their video detailing the new feat...
Javascript swap array elements
...r belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is destructuring assignment.
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GitHub “fatal: remote origin already exists”
...ould replace it with "github". For example $ git push origin master should now be $ git push github master.
However, if you want to see what that origin which already exists is, you can do a $ git remote -v. If you think this is there by some error, you can update it like so:
$ git remote set-url ...