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Any reason why scala does not explicitly support dependent types?
... | }
sigma: java.lang.Object with Sigma{val bar: this.foo.Bar} = $anon$1@e3fabd8
and in fact, this is a crucial part of the encoding of dependent method types which is needed to escape from the 'Bakery of Doom' in Scala prior to 2.10 (or earlier via the experimental -Ydependent-method types Scala...
TypeError: got multiple values for argument
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232
This happens when a keyword argument is specified that overwrites a positional argument. For ex...
Optimise PostgreSQL for fast testing
...memory limit if you increase shared_buffers on PostgreSQL 9.2 and below; 9.3 and above changed how they use shared memory to avoid that.
If you're using a just a couple of connections that do lots of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a wo...
What is the difference between trie and radix trie data structures?
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3 Answers
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Multi-gradient shapes
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383
I don't think you can do this in XML (at least not in Android), but I've found a good solution...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...extInt()).par
scala> timeMany(1000, intParList.reduce(_ + _))
Took 462.395867 milli seconds
scala> timeMany(1000, intParList.foldLeft(0)(_ + _))
Took 2589.363031 milli seconds
reduce vs fold
Now this is where it gets a little closer to the FP / mathematical roots, and a little trickier to...
Reimport a module in python while interactive
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389
This should work:
reload(my.module)
From the Python docs
Reload a previously imported m...
vertical alignment of text element in SVG
...aphic | alphabetic | hanging | mathematical |
inherit
Description from w3c
This property specifies how an object is aligned with respect to its
parent. This property specifies which baseline of this element is to
be aligned with the corresponding baseline of the parent. For example,
thi...
How to create an object for a Django model with a many to many field?
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answered Aug 9 '11 at 12:43
Daniel HepperDaniel Hepper
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