<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Hi Alan,</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Could you please try it on 1.9.3: <a href="https://github.com/Rdatatable/data.table">https://github.com/Rdatatable/data.table</a> From what I vaguely recall, this has been fixed..</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div> <div id="bloop_sign_1408652278662104064" class="bloop_sign"><div style="font-family:helvetica,arial;font-size:13px">Arun</div></div> <div style="color:black"><br>From: <span style="color:black">Alan Kwan</span> <a href="mailto:alanpaulkwan@gmail.com"><alanpaulkwan@gmail.com></a><br>Reply: <span style="color:black">Alan Kwan</span> <a href="mailto:alanpaulkwan@gmail.com"><alanpaulkwan@gmail.com>></a><br>Date: <span style="color:black">August 21, 2014 at 9:49:44 PM</span><br>To: <span style="color:black">datatable-help</span> <a href="mailto:datatable-help@lists.r-forge.r-project.org"><datatable-help@lists.r-forge.r-project.org>></a><br>Subject: <span style="color:black"> [datatable-help] (1.9.2) data.table crash when assign N values to N<1 rows <br></span></div><br> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
<title></title>
<div dir="ltr">Despite a few minutes of Googling I am unsure of
whether this has been reported, but if it hasn't the following
reliably crashes R "seg fault", on, if it matters, my Linux box
<div><br></div>
<div>sample=data.table(a=1:50,b='N')<br></div>
<div>sample[50,b:=c(1,2,3)]<br></div>
<div><br></div>
<div>I don't know the guts of data.table to know whether it'd be
easy to error check without sacrificing performance. At the very
least maybe some helpful output?</div>
</div>
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