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CALayer with transparent hole in it
I have a simple view (left side of the picture) and i need to create some kind of overlay (right side of the picture) to this view. This overlay should have some opacity, so the view bellow it is still partly visible.
Most importantly this overlay should have a circular hole in the middle of it so i...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
...ecutable. It's because there are custom charset-determination mechanisms laid down by the language/type itself, rather than just the generic charset parameter. A subtype of text should be capable of being transcoded by a proxy to another charset, changing the charset parameter. This is not true of J...
What is the difference between packaged_task and async
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@Mikhail This answer precedes both C++14 and C++17, so I didn't have the standards but only proposals at hand. I'll remove the paragraph.
– Zeta
May 21 '18 at 10:15
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What is the difference between include and extend in Ruby?
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What you have said is correct. However there is more to it than that.
If you have a class Klazz and module Mod, including Mod in Klazz gives instances of Klazz access to Mod's methods. Or you can extend Klazz with Mod giving the class Klazz...
What is the difference between _tmain() and main() in C++?
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i wonder whether they provide a tcout too? so that one could just do tcout << argv[n]; and it resolves to cout in Ansi and wcout in Unicode mode? I suspect that could be useful for him in this situation. and +1 of course, nice answer :)
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...le. To achieve immutability, you simply need to mark x and y final.
As a side note and as already mentioned, synchronized(this) {} can be treated as a no-op by the JVM (I understand you included it to reproduce the behaviour).
...
What exactly is Arel in Rails 3.0?
...ment for named_scopes. In fact, ARel is pretty much the realization of the idea that "every query is a named_scope". And, whaddayaknow: both were written by the same guy.
and that it uses objects instead of queries.
No, it uses objects as queries.
why is this better?
Ruby is an object-oriented l...
Using Spring MVC Test to unit test multipart POST request
...ic String getJson() {
return json;
}
public void setJson(String json) {
this.json = json;
}
}
}
and a unit test
@WebAppConfiguration
@ContextConfiguration(classes = WebConfig.class)
@RunWith(SpringJUnit4ClassRunner.class)
public class Example...
Serializing an object as UTF-8 XML in .NET
...into a string again, so its no longer in UTF-8, but back in UTF-16 (though ideally its best to consider strings at a higher level than any encoding, except when forced to do so).
To get the actual UTF-8 octets you could use:
var serializer = new XmlSerializer(typeof(SomeSerializableObject));
var ...
What is a .snk for?
...ts of
a simple text name, version number,
and culture information (if
provided)—plus a public key and a
digital signature.
The SNK contains a unique key pair - a private and public key that can be used to ensure that you have a unique strong name for the assembly. When the assembly is strongly-n...