Berkeley CSUA MOTD:Entry 26352
Berkeley CSUA MOTD
 
WIKI | FAQ | Tech FAQ
http://csua.com/feed/
2025/04/03 [General] UID:1000 Activity:popular
4/3     

2002/10/29-30 [Computer/SW/Languages, Computer/HW/Memory, Computer/Domains] UID:26352 Activity:nil
10/28   What is the register file made up? Same as L1 (e.g. 6 transistors)?
        \_ It is made up a few hundred years after the Grimm Brother's stuff.
        \_ depends on architecture.  Usually sram array supporting dual/quad
           port read/write.
2025/04/03 [General] UID:1000 Activity:popular
4/3     

You may also be interested in these entries...
2011/3/7-4/20 [Computer/SW/Languages/C_Cplusplus] UID:54056 Activity:nil
3/7     I have a C question.  I have the following source code in two identical
        files t.c and t.cpp:
                #include <stdlib.h>
                int main(int argc, char *argv[]) {
                  const char * const * p1;
                  const char * * p2;
	...
2009/4/30-5/6 [Computer/Theory] UID:52923 Activity:nil
4/30    Sorting question!  I have n sorted arrays of doubles.  What's the
        fastest way to sort them into 1 big sorted array?
        \_ as mentioned below: you are describing one half of mergesort
        \_ You really have to ask this question?
           \_ You don't know either, huh?
        \_ If three are n sorted arrays of m doubles each, I think the fastest
	...
2009/4/5-5/3 [Computer/SW/Languages, Computer/HW/Drives] UID:52801 Activity:nil
4/5     Tuesday at 10:00PM I will be taking down Soda temporarily to migrate
        disk arrays.  This is an expected part of our move to the new server.
        The downtime should be minimal - I'll be remounting /home read-only
        for an hour or so while I run a final mirror over to the new array
        and then will reboot Soda onto the new array. The final migration
        will come at a slightly later time - this is in preparation for
	...
2009/1/20-26 [Computer/SW/Languages/Java, Computer/SW/Languages/Misc] UID:52425 Activity:nil
1/20    I've been using tcsh as shell program tool (i know, bad shell to
        do scripting).  One thing I've noticed when I extract xml file
        is that the variable type automatically change from
        integer/string to... almost an array-like data structure when
        the output of the xml key/value is more than one (it's more
        like a string separated by space, but I was very impressed as
	...
2008/12/4-10 [Computer/HW/CPU, Computer/HW/Drives] UID:52163 Activity:nil
12/4    A question to you old crufy alumni: So lately we've suggested
        VMs, and been asked why it's necessary. We've suggested top-of-the-line
        hardware and been told we don't need that much power. So I'd like to
        ask -- what exactly do you think the CSUA is supposed to _be_?
        \_ Noone said VMs weren't needed.  They suggested you use the
        \_ No one said VMs weren't needed.  They suggested you use the
	...
2008/11/29-12/6 [Computer/SW/OS/FreeBSD, Computer/SW/OS/VM] UID:52129 Activity:moderate
11/29   I'm experimenting with virtualization, and as a poor college student
        I'm wondering what the best alternatives for virtualization are, and
        how best to cut my teeth on messing with non-linux platforms (or I
        guess interesting stuff on Linux would work too). Right now I've got
        FreeBSD7 running on KVM on my home computer (on a Core 2 Quad), and am
        somewhat at a loss as to how to use it. (More details: bridged
	...
2008/11/24-29 [Computer/SW/Languages/C_Cplusplus] UID:52093 Activity:nil
11/23   C++ question: If I have "char *p = new char[10];", is there any real
        difference between "delete p;" and "delete[] p;" after compilation?
        The Standard C free() function only has one form and works for freeing
        both a single character and a character array.  Why are there separate
        forms in C++?  Thx.
        \_ For an array of char, there's no difference.  If you have an array
	...
2008/6/9-12 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Security] UID:50194 Activity:nil
6/8     CSUA code guru please help. I need to see my random number
        generator with a good seed (I just need random 18 bit
        identifiers). The usual time(NULL) is OK, except my program
        might be invoked faster than once a second, and seeding using
        time() produced the same result. I tried clock() but it seems
        to return 0. My program needs to be run in Linux/DOS (Watcom
	...
2008/4/29-5/5 [Computer/SW/Languages/Perl, Computer/SW/Languages/Python] UID:49852 Activity:moderate
4/29    Scaling your web app in the real world:
        http://teddziuba.com/2008/04/im-going-to-scale-my-foot-up-y.html
        \_ This article is crap.  While yes, 99.9% of all websites don't
           need any serious scalability plans, if any of them become worth
           anything they will need to scale.  If you write a web application
           without careing about scalability you are writing a webapp that can
	...
2007/11/13-16 [Computer/HW, Computer/HW/Drives] UID:48631 Activity:nil
11/12   What is diff between SAN and NAS?
         \_ NAS=Network Attached Storage.  Appliance which provides disk
             to servers/clients via file-based protocols (NFS, CIFS, iSCSI).
            SAN=Storage Area Netwoork.  Provides direct fiber connections from
             multiple servers to a single storage array.  -tom
            \_ Here is another way to explain It: They're very similar in that
	...
2009/8/18-9/1 [Computer/SW/Database, Computer/SW/Languages/Perl] UID:53283 Activity:low
8/18    trying to write an intentionally slow regex.
        what is your worst regex ever?
        this is using MySQL regexp but I'll also accept
        perl format         --brain
        \_ you need to know how regex is implemented internally in order to
           have a worst regex in terms of running time. Something that uses
	...
1999/11/20-22 [Computer/HW/CPU] UID:16930 Activity:moderate
11/19   Anyone have a link to a description of where the cache is on the
        celeron vs. where it is on the pentium ][? A friend of mine is
        trying to argue that the celeron's is not on the CPU, but is for the
        pentium. That's just wrong, but I want definitive proof to fuck him up.
        \_ I believe in early editions of the celeron, your friend is right.
                However, in later editions of the celeron, they added a
	...
1998/9/28-29 [Computer/HW/CPU] UID:14689 Activity:moderate
9/28    got any tips on buying a decent PC [Piece o Crud] piece by
        piece for around $1k total?
        \_ If you're in L.A., go to the Pomona computer show and buy pieces
           there.  http://www.pricewatch.com for prices.  Buy high-quality hardware
           at a good price point based on what you need or expect to need.
           Celeron 300A and AMD K6-2 300 are good, cheap processors.  Don't
	...
2009/8/4-13 [Computer/SW/OS/Windows] UID:53239 Activity:kinda low
8/3     VMWare + Windows XP + Validation question. I need to test stuff with
        Service Pack 3 installed. I have a valid key that I own (yeah yeah I
        actually *bought* a copy, please don't flame me for supporting evil
        M$). Is it possible to register the key once, and then duplicate it
        for testing purposes?  Will Windows or Microsoft detect copies and
        disable the rest the copies?
	...
2009/5/6 [Computer/HW/CPU] UID:52952 Activity:moderate
5/5     Any idea why the AMD only added 8 more registers with the AMD64 arch.?
        Why 16 registers and not, say, 32?
        \_ To double the accessible register count, you need one more bit
           in the instruction stream _per_ register field.  x86 instruction
           set is already packed like rat's nest as is.
	...
2009/2/27-3/5 [Computer/Networking] UID:52658 Activity:nil
2/27    I need to buy a wireless router, can u guys help me out?   I need the
        following features:  wireless, G or better, PPTP dial up, PPoE dialup,
        VoIP/SIP register, DDNS, uPnP.
        I am having a such hard time to find a review site which allow me to
        select these features.   Any ideas?  There are a couple model from
        this small company Draytek has these features, I am having the hardest
	...
2009/2/13-18 [Computer/HW/Memory, Computer/Domains] UID:52565 Activity:nil
2/13    Question about memory relocation:
        These days most h/w has a relocation register. Could the relocation
        address be stored on disk or in kernel memory vs. in a register? Yes,
        that would be slow but is it possible? Do you *need* a relocation
        register or does it exist purely for performance reasons? I was
        reading some paper written by IBM in the 1960s that seemed to
	...
2008/10/29-31 [Computer/Domains] UID:51717 Activity:nil
10/29   I became a citizen half a year ago, and I filled out a voter
        registration form at the oath ceremony.  Now do I have to register
        again with the state, county (Alameda) and city (Fremont) before I can
        vote on their ballots?  Thanks.
        \_ register at your nearest park bench
        \_ Just fill out a voter registration form and drop it in the mail.
	...