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Is it better to return null or empty collection?
...t; private set;}
public Bar() { Foos = new List<Foo>(); }
In .NET 4.6.1, you can condense this quite a lot:
public List<Foo> Foos { get; } = new List<Foo>();
When talking about methods that return enumerables, you can easily return an empty enumerable instead of null...
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
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Abe MishlerAbe Mishler
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Android and setting alpha for (image) view alpha
... 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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pytest: assert almost equal
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249
I noticed that this question specifically asked about py.test. py.test 3.0 includes an approx()...
JPA getSingleResult() or null
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edited Apr 2 '14 at 1:03
Sk8erPeter
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jQuery textbox change event doesn't fire until textbox loses focus?
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edited Jun 26 '13 at 10:47
answered Jun 26 '13 at 10:29
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
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What does the Subversion status symbol “~” mean?
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edited Jul 29 '16 at 11:54
bahrep
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'Must Override a Superclass Method' Errors after importing a project into Eclipse
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1437
Eclipse is defaulting to Java 1.5 and you have classes implementing interface methods (which i...
Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
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444
You can cast your timestamp to a date by suffixing it with ::date. Here, in psql, is a timest...