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Scala: What is a TypeTag and how do I use it?
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+50
A TypeTag solves the problem that Scala's types are erased at runtime (type erasure). If we wanna do
class Foo
class Bar extends Foo
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Accessing UI (Main) Thread safely in WPF
...nswered Jul 24 '12 at 6:24
Botz3000Botz3000
36.2k88 gold badges9696 silver badges124124 bronze badges
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Can JSON start with “[”?
...iteral names.
A JSON text is a serialized object or array.
Update (2014)
As of March 2014, there is a new JSON RFC (7159) that modifies the definition slightly (see pages 4/5).
The definition per RFC 4627 was: JSON-text = object / array
This has been changed in RFC 7159 to: JSON-text = ws ...
What exactly is Python's file.flush() doing?
...is a good thing, you should make both calls as instructed.
Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well,...
Pull request without forking?
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sorin
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answered Feb 11 '13 at 22:03
Ryan BiggRyan Bigg
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Is there a way to force ASP.NET Web API to return plain text?
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answered Oct 23 '12 at 10:04
Rick StrahlRick Strahl
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Remove useless zero digits from decimals in PHP
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$num + 0 does the trick.
echo 125.00 + 0; // 125
echo '125.00' + 0; // 125
echo 966.70 + 0; // 966.7
Internally, this is equivalent to casting to float with (float)$num or floatval($num) but I find it simpler.
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CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
...his:
table tr:last-child td:first-child {
border-bottom-left-radius: 10px;
}
table tr:last-child td:last-child {
border-bottom-right-radius: 10px;
}
Now everything rounds properly, except that there's still the issue of border-collapse: collapse breaking everything.
A workaround is to ...
Using Linq to get the last N elements of a collection?
...
collection.Skip(Math.Max(0, collection.Count() - N));
This approach preserves item order without a dependency on any sorting, and has broad compatibility across several LINQ providers.
It is important to take care not to call Skip with a negative ...
Event system in Python
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PyPI packages
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Ja...
