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I want to check it the @session[:user].id exists in an if statement. However, I the user has not yet logged in, the following error occurs. How does one check if this (or any other) cookie exists without getting this error? Thanks! Account#manager Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id -- Posted via http://www.ruby-forum.com/.

...there is a one-line command to do the following. Suppose we have a list, each of whose components are numeric: > a <- vector("list",3) > a[[1]] <-c(1,2) > a[[2]] <-c(3,4) > a[[3]] <- c(5,6) > a [[1]] [1] 1 2 [[2]] [1] 3 4 [[3]] [1] 5 6 Target: I would like to extract from each of its components the first entry and store them into a vector, ie, to extract 1 from a[[1]], 3 from a[[2]], 5 from a[[3]], and store 1,3,5 into a vector without using for loops. Thank you, Chee [[alternative HTML version deleted]]

Dear List, I want to let R calculate the time (run-time) it requires to run a self-written simulation function. I tried as follows: it enables me to see the starting and finishing time points. ############################# "sim.result" <- function(nsim, ...){ Starting <- date() ... # calculations # final.result <- ... # Output for display # cat("# of Iterations used

Hello R-Users, I have I simple question that I could not solve: How to extract the elevation and the slope values from a linear model (lm) separately? coef(model.lm) gives both of them. Thanks, Antonio Olinto -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send &...

To Whomever is Interested, I have spent several days searching the web, help files, the R wiki and the archives of this mailing list for a solution to this problem, but nonetheless I apologize in advance if I have missed something obvious. The problem is this; I have a 5-column data frame with about 4.2 million rows, and want to create a new (and hopefully much smaller) data frame that

Where do DEBUG and EH label values originate from ? Where's their allocator ? I am looking at some code in X86CodeEmitter.cpp line 574, where a labels value is extraced from an operand. But dont know where to look in the frontend or middle end to find the LabelID allocator. If some kind person could point me in the right direction. Many thanks in advance, Aaron -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.l...

...tp://sourceforge.net/bugs/?func=detailbug&bug_id=130992&group_id=13478 . Since all my other discs were encoding fine I thought that the wav file may be corrupt/invalid/or something. I opened them with cool edit and "saved as"ed them to my drive. These files encoded fine and the extraced/converted files have the correct md5sum. Is there a program that can scan wav files to see if they are correct? The files play and burn fine, but do not encode well. Another thing is that shn encodes these files correctly, while flac does not. Does something need to be coded for flac to do th...

Hi Listers, Surely, I just have a mental block and there is a more elegant way of creating a summary count (other than extracing it from ftable). I''d like to create a new data.frame containing counts of spell by loc ie have three columns showing spell,loc,count. Below the data.frame... Any help appreciated Thanks Herry spell loc 101 Parts 1 102 Overall 2 105 Parts 1 106 None 1 111 None...

On Sun, May 3, 2009 at 3:41 PM, Aaron Gray <aaronngray.lists at googlemail.com> wrote: > Where do DEBUG and EH label values originate from ? > > Where's their allocator ? > > I am looking at some code in X86CodeEmitter.cpp line 574, where a labels > value is extraced from an operand. > > But dont know where to look in the frontend or middle end to find the > LabelID allocator. See how Intrinsic::dbg_* are lowered by SelectionDAGBuild.cpp and FastISel.cpp - Devang

Estimados Al dirigir la lectura de un folder tYA1.csv me da este error y no me percato del motivo, adjunto archivo. Espero su ayuda Saludos Jos? > setwd("D:/Public/Documents/R/bioimpedancia") > a<-read.csv("tYA1.csv",header=TRUE, sep=",", dec=".") Error in read.table(file = file, header = header, sep = sep, quote = quote, : more

...nting old /proc unmounting old /sys switchroot: mount failed: 22 Kernel panic - not syncing: Attempted to kill init! [2] Machine Config Tyan S2882 Single Opteron 512M RAM Marvell SATA Controller (Highpoint 1820A) RAID 1 /boot RAID 1 / RAID 5 for non-system data mounted on /raid [3] /init script extraced from the initrd image #!/bin/nash mount -t proc /proc /proc setquiet echo Mounted /proc filesystem echo Mounting sysfs mount -t sysfs /sys /sys echo Creating /dev mount -o mode=0755 -t tmpfs /dev /dev mknod /dev/console c 5 1 mknod /dev/null c 1 3 mknod /dev/zero c 1 5 mkdir /dev/pts mkdir /dev/...

...u >> > > Description: Ubuntu 15.04 >> > > Release: 15.04 >> > > Codename: vivid >> > > >> > > Also tried 2.2.18 from Ubuntu wiley, same results. >> > > >> > > Backtrace (I am not sure this is useful, extraced core from >> > > Ubuntu's >> > > Apport): >> > > >> > > (gdb) bt full >> > > #0 0x00007f404e58e3b6 in mail_index_keywords_unref () from >> > > /usr/lib/dovecot/libdovecot-storage.so.0 >> > > No symbol table i...

...gt; (no description available) tamas at szob:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 15.04 Release: 15.04 Codename: vivid Also tried 2.2.18 from Ubuntu wiley, same results. Backtrace (I am not sure this is useful, extraced core from Ubuntu's Apport): (gdb) bt full #0 0x00007f404e58e3b6 in mail_index_keywords_unref () from /usr/lib/dovecot/libdovecot-storage.so.0 No symbol table info available. #1 0x00007f404ea254ad in _start () No symbol table info available. Any help would be appreciated, I am happy to pro...

.../?func=detailbug&bug_id=130992&group_id=13478 > . Since all my other discs were encoding fine I > thought that the wav file may be corrupt/invalid/or > something. I opened them with cool edit and "saved > as"ed them to my drive. These files encoded fine > and the extraced/converted files have the correct > md5sum. Is there a program that can scan wav files > to see if they are correct? The files play and burn > fine, but do not encode well. Another thing is that > shn encodes these files correctly, while flac does > not. Does something need to b...

...or a couple reasons one being the ATI Catalyst drivers dont work on later kernels (I tried on another machine). Is there a way to take 2.6.30 (just since its the current version)usb/host directory and compile it as a module for the 2.6.18-128.1.10 kernel and just replace the ehci_hcd driver? I extraced the 2.6.30 kernel, and was hoping to just cd drivers/usb/host and make. It says no tarkets found. How can I do that? THanks, I just want to compile the module. Jerry

...finding out the column names from the models and putting the columns in order. I use the human_attribute plugin to set nice column names in the model, I believe Rails had this but it was removed? :( So my questions are: is there a common way of doing this? Am I doing it the right way? Has someone extraced this kind of functionality into a plugin? I hope this makes sense without the actual code, I can probably tidy it and put it up if need be. Best regards, Andrew France --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Group...

...r. I have googled this problem, and none of the answers actually give me the output I'm asking for here. Specifically, I found these links -- all dead-ends: https://stat.ethz.ch/pipermail/r-help/2005-August/078210.html <== Nope. Doesn't give right output. http://r.789695.n4.nabble.com/extracting-p-value-from-an-lrm-object-td854071.html <== Nope. The output is different. http://www.mathkb.com/Uwe/Forum.aspx/stat-consult/1381/Extracing-p-values-from-lrm-object <== Nope. Wrong output. Can anyone crack this seemingly simple problem? Surprisingly the answer was not revealed using str...

Dear all. I have what appears to be a configuration error but I cannot for the life of me see what it is. (I am a newbie) I have searched the wikki and google etc but still none the wiser. Any help would be very gratefully received. Problem: Unable to make outgoing calls via E1 euroISDN Digium TE110p card, given congestion signal as per config, unable to open zap channel. All incoming calls work

...memdisk append initrd=/ntpass.img floppy label 7 localboot 0x80 label 8 localboot 0x00 label 9 localboot -1 ----------------------------------------------------------------- I've tried multiple versions of the "xpboot.bin" referred to above, either extraced myself using ISO Buster, or downloaded off the Internet. They all fail to load under isolinux. I've also used the same images with MagicISO multi-boot (Windows utility) and it loads fine there (although using isolinux to load the Linux System Recovery tool craps there, alas). ---------------...

...; <CRLF> helloINVITE sip:carol at domain.org SIP/2.0<CRLF> From: sip:pepe at domain.org;tag=qweqweqwsdsde<CRLF> To: sip:carol at domain.org<CRLF> Via: xxxxxxxxx<CRLF> Cseq: xxxxxxxxx<CRLF> Content-Length: 0<CRLF> <CRLF> ------------------- The way to extrac each message is based on the "Content-Length" header, so after parsing that ammount of bytes, the remaining data is a new message. I''ve already implemented such TCP listener and parser on my own, but now I wonder if it''s feasible with Event Machine (and also if EventMac...