search for: jdm

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2015 Oct 10
0
Adding a new DC to an existing Windows domain.
...r ns-master's FQDN, after gathering it from an SOA lookup on its own name. What sort of configuration would I be missing here that's keeping this from working correctly? A search on google for the tkey error above doesn't result in a while lot of hits. Thansk in advance for any help! jdm
2000 Sep 03
1
removing rows from a dataframe
Hi, I have a dataframe, hilodata, which looks like this: > hilodata sym date maxprice minprice ntick 1 ABK 19910711 11.1867461 0.0000000 108 2 ABK 19910712 11.5298979 11.1867461 111 3 ABK 19910715 11.7357889 11.4612675 52 4 ABK 19910716 11.5298979 11.3240068 51 5
2001 Apr 06
2
symbolic manipulations
Hi All, I copied code from an Splus manual to take symbolic derivatives: my.deriv <- function( mathfunc, var ) { tmp <- substitute(mathfunc) name <- deparse(substitute(var)) D(tmp, name) } (The code also works in R).
2000 Jan 23
1
size limits
Hi, I have a few questions about how to handle large data sets in R. What is the size of the largest matrix that R can comfortably deal with? Is this size limit imposed by R's software, or is it a question of the machine that one runs on? How does one go about choosing reasonable values of vsize and nsize? I have a data set with about 1,000,000 rows, and 30
2001 Feb 01
1
constructing a vector from a dataframe and another vector
Hi All, I have a dataframe, divs, that looks like this: > divs date ticker dividend 263 20010322 ADBE 0.025 264 20010628 ADBE 0.025 265 20010927 ADBE 0.025 4308 20010212 ED 0.550 4309 20010514 ED 0.410 5416 20010330 GE 0.137 5417 20010629 GE 0.137 5418 20010928
2000 Jul 07
1
reorganizing a data frame
Hi, I have what I think is an easy question. I have a data frame, called stockdata, of stock prices that looks like this: date ticker close 1 01/02/1998 GE 24.667 2 01/05/1998 GE 25.104 3 01/06/1998 GE 24.771 4 01/07/1998 GE 24.979 5 01/08/1998 GE 24.750 6 01/02/1998 HIT 71.125 7 01/05/1998 HIT 72.313
2012 Apr 20
44
Ceph on btrfs 3.4rc
After running ceph on XFS for some time, I decided to try btrfs again. Performance with the current "for-linux-min" branch and big metadata is much better. The only problem (?) I''m still seeing is a warning that seems to occur from time to time: [87703.784552] ------------[ cut here ]------------ [87703.789759] WARNING: at fs/btrfs/inode.c:2103
2007 Feb 12
17
NFS/ZFS performance problems - txg_wait_open() deadlocks?
Hi. System is snv_56 sun4u sparc SUNW,Sun-Fire-V440, zil_disable=1 We see many operation on nfs clients to that server really slow (like 90 seconds for unlink()). It''s not a problem with network, there''s also plenty oc CPU available. Storage isn''t saturated either. First strange thing - normally on that server nfsd has about 1500-2500 number of threads. I did
2006 Dec 02
1
Linksys PAP2t-NA and Asterisk
I've got a PAP2 that I've got working with asterisk. At the moment, its configured so that when a phone is picked up on it, it connects to Asterisk. My hope is that I can let Asteirsk handle the entire dialplan, including dial tone generation. What would my context in extenstions.conf look like for this sort of dialing. More accurately, how can I get Asterisk to generate the dial tone on