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What are paramorphisms?
...substructures of the input.
Edit: I remembered another nice example.
Consider binary search trees given by Fix TreeF where
data TreeF sub = Leaf | Node sub Integer sub
and try defining insertion for binary search trees, first as a cata, then as a para. You'll find the para version much easier, ...
What does a b prefix before a python string mean?
...s ASCII codepoints to make it easier to read their contents. Any bytes outside the printable range of ASCII characters are shown as escape sequences (e.g. \n, \x82, etc.). Inversely, you can use both ASCII characters and escape sequences to define byte values; for ASCII values their numeric value is...
How to get rspec-2 to give the full trace associated with a test failure?
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It didn't show stack trace info about the error itself. Rather, it showed the stack trace of the rspec gem
– Aleksandrus
Jun 24 '16 at 2:08
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What does the filter parameter to createScaledBitmap do?
The declaration of android.graphics.Bitmap.createScaledBitmap is
4 Answers
4
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Wget output document and headers to STDOUT
... This answer doesn't make any sense. OP asked to show headers, not hide them
– aexl
Oct 14 '19 at 13:00
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How do I assign a port mapping to an existing Docker container?
...ia the docker inspect <container_name> command and the value of the "Id" field is the hash.
1) stop the container
2) stop docker service (per Tacsiazuma's comment)
3) change the file
4) restart your docker engine (to flush/clear config caches)
5) start the container
So you don't need to c...
How to include a font .ttf using CSS?
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Only providing .ttf file for webfont won't be good enough for cross-browser support. The best possible combination at present is using the combination as :
@font-face {
font-family: 'MyWebFont';
src: url('webfont.eot'); /* IE9 Com...
Pushing from local repository to GitHub hosted remote
... Are you actually typing '~origin~' or just 'origin'? You'd best avoid tilde as it means something to Git.
– GoZoner
May 13 '12 at 21:01
1
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Maven: missing net.sf.json-lib
...endency.
Either jdk13 or jdk15, like this:
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>
...
Wrapping null-returning method in Java with Option in Scala?
...Try(Option(3)).toOption.flatten
res28: Option[Int] = Some(3)
... or the ridiculously ugliest of them anothers ...
scala> Option(Try(null).getOrElse(null))
res29: Option[Null] = None
scala> Option(Try(3/0).getOrElse(null))
res30: Option[Any] = None
scala> Option(Try(3).getOrElse(null))
...