note
BrowserUk
<blockquote><i></i></blockquote>
<p>This saves 2 strokes over yours:
<code>
perl -plE"@h{/./g}++;$_=keys%h"
</code>
<p>And this saves 2 more over your version of [tye]'s:
<code>
perl -lpE'$_=s/(.)(?!.*\1)//g'
</code>
<div class="pmsig"><div class="pmsig-171588">
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<div>With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'</div>
<div>Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.</div>
<div>"Science is about questioning the status quo. Questioning authority". </div>
<div>In the absence of evidence, opinion is indistinguishable from prejudice.
</div>
</font>
</div></div>
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