<p>In <a href="https://github.com/mlpack/mlpack/pull/663#discussion_r65363062">src/mlpack/methods/lsh/lsh_search.hpp</a>:</p>
<pre style='color:#555'>&gt; @@ -174,6 +176,24 @@ class LSHSearch
&gt;    //! Get the second hash table.
&gt;    const arma::Mat&lt;size_t&gt;&amp; SecondHashTable() const { return secondHashTable; }
&gt;  
&gt; +  //! Get the projection tables.
&gt; +  const arma::cube Projections() { return projections; }
</pre>
<p>Don't forget the &amp; :)</p>

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