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How to compute the similarity between two text documents?
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The common way of doing this is to transform the documents into TF-IDF vectors and then compute the cosine similarity between them. Any textbook on information retrieval (IR) covers this. See esp. Introduction to Information Retrieval, which is free and availa...
How to flip UIImage horizontally?
... achieve this is by creating a UIImageView instead of a UIImage and do the transform on UIImageView.
yourImageView.image =[UIImage imageNamed:@"whatever.png"];
yourImageView.transform = CGAffineTransform(scaleX: -1, y: 1); //Flipped
Hope this helps.
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Apache Spark: map vs mapPartitions?
...igh per-record overhead perform better with a mapPartition than with a map transformation. This is, according to the presentation, due to the high cost of setting up a new task.
– Mikel Urkia
Sep 4 '14 at 7:29
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How do I convert a String object into a Hash object?
...>[:symbol, :aftercomma], "foxtrot"=>[1, 2]}'
puts ruby_hash_text
# Transform object string symbols to quoted strings
ruby_hash_text.gsub!(/([{,]\s*):([^>\s]+)\s*=>/, '\1"\2"=>')
# Transform object string numbers to quoted strings
ruby_hash_text.gsub!(/([{,]\s*)([0-9]+\.?[0-9]*)\s*=...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
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Also to note, some weird behaviour, if you use transform on the parent element the background of the parent element will still be underneath the pseudo element whilst the content will be on top.
– Tom C
Nov 28 '16 at 12:06
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position: fixed doesn't work on iPad and iPhone
...ixed elements did not appear or were cut off.
The trick for me was adding transform: translate3d(0,0,0); to my fixed position element.
.fixed-position-on-mobile {
position: fixed;
transform: translate3d(0,0,0);
}
EDIT - I now know why the transform fixes the issue: hardware-acceleration. Add...
How to play with Control.Monad.Writer in haskell?
...o create the MonadWriter type class at all? The reason is to do with monad transformers. As you correctly realised, the simplest way to implement Writer is as a newtype wrapper on top of a pair:
newtype Writer w a = Writer { runWriter :: (a,w) }
You can declare a monad instance for this, and then...
Simple way to transpose columns and rows in SQL?
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There are several ways that you can transform this data. In your original post, you stated that PIVOT seems too complex for this scenario, but it can be applied very easily using both the UNPIVOT and PIVOT functions in SQL Server.
However, if you do not have ...
How to elegantly deal with timezones
...their current timezone? What do you think about the ModelBinder doing this transformation before entering the action (see my comments to @casperOne. Also, the <time> idea is pretty cool. The only disadvantage is that it means that I need to query the whole DOM for these elements, which isn't e...
What does glLoadIdentity() do in OpenGL?
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glMatrixMode(GL_PROJECTION) : deals with the matrices used by perspective transformation or orthogonal transformation.
glMatrixMode(GL_MODELVIEW) : deals with matrices used by model-view transformation. That is, to transform your object (aka model) to the view coordinate space (or camera space)....