2013/4/29-5/18 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Compilers] UID:54665 Activity:nil | 4/29 Why were C and Java designed to require "break;" statements for a
"case" section to terminate rather than falling-through to the next
section? 99% of the time poeple want a "case" section to terminate.
In fact some compilers issue warning if there is no "break;" statement
in a "case" section. Why not just design the languages to have
termination as the default behavior, and provide a "fallthru;"
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2012/8/29-11/7 [Computer/SW/Security] UID:54467 Activity:nil | 8/29 There was once a CSUA web page which runs an SSH client for logging
on to soda. Does that page still exist? Can someone remind me of the
URL please? Thx.
\_ what do you mean? instruction on how to ssh into soda?
\_ No I think he means the ssh applet, which, iirc, was an applet
that implemented an ssh v1 client. I think this page went away
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2011/4/16-7/13 [Computer/SW/Languages/Python] UID:54086 Activity:nil | 4/16 Whoa, I just heard that MIT discontinued 6.001 (classic scheme)
to 6.01. In fact, 6.00, 6.01 and 6.02 all use Python. What the
hell? What has the world become? It's a sad sad day. SICP forever!
\_ old story, they've ditched that shitty book and lang for a while.
\_ I used to think scheme was cool, then I saw Ka Ping Yee's
"Beautiful Code" class aka 61a in python, and converted.
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2011/2/24-4/20 [Computer/SW/Languages/Java] UID:54048 Activity:nil | 2/24 Go Programming Language. Anyone here use it? It kind of
reminds me of java-meets python, and well, that is fitting given it's
a GOOG product. What is so special about it?
\_ as I understand it, it's a suitable OOP-y systems language with more
structure than C, less complexity than C++, and less overhead than
Java/Python.
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2010/8/8-9/7 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Languages/Web] UID:53914 Activity:nil | 8/8 Trying to make a list of interesting features languages have
touted as this whole PL field comes around, trying to see if they
have basis in the culture of the time: feel free to add some/dispute
1970 C, "portability"
1980 C++, classes, oop, iterators, streams, functors, templates
expert systems
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2009/12/5-26 [Computer/SW/Languages/Java] UID:53569 Activity:nil | 12/4 what do people have their JAVA_HOME's set to on soda?
\_ don't. are you trying to get sun java? It is installed, but not
the default. check dpkg -l and dpkg -L
\_ I'm trying to run maven to get scala/lift.net working
properly and it's complaining that JAVA_HOME is not set.
\_ you probably want one of the directories in /usr/lib/jvm,
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2009/8/7-14 [Computer/SW/Languages/C_Cplusplus, Computer/SW/Languages/Java] UID:53252 Activity:high | 8/6 In C one can do "typedef int my_index_t;". What's the equivalent in
C#? Thanks.
\_ C#? Are you serious? Is this what the class of 2009 learn?
\_ No. I have to learn .NET code at work. I am Class of '93.
\_ python is what 2009 learns, see the motd thread about recent
cal courses and languages
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2009/7/21-24 [Computer/SW/Languages/Java] UID:53168 Activity:moderate | 7/20 For those who care btw, it looks like eclipse is now A Standard Tool
at UCB ugrad cs, probably replaced emacs. Furthermore, people get
angry at seeing Makefiles, (since eclispe takes care of that). I
guess it's just a sign of the times.
\_ The more people at my work use eclipse the less the code is
managable in emacs. I'm not sure which application's fault
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2012/5/8-6/4 [Computer/SW/Unix] UID:54383 Activity:nil | 5/8 Hello everyone! This is Josh Hawn, CSUA Tech VP for Spring 2012.
About 2 weeks ago, someone brought to my attention that our script
to periodically merge /etc/motd.public into /etc/motd wasn't
running. When I looked into it, the cron daemon was running, but
there hadn't been any root activity in the log since April 7th. I
looked into it for a while, but got lost in other things I was
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2011/10/26-12/6 [Computer/SW/Unix] UID:54202 Activity:nil | 10/24 What's an easy way to see if say column 3 of a file matches a list of
expressions in a file? Basically I want to combine "grep -f <file>"
to store the patterns and awk's $3 ~ /(AAA|BBB|CCC)/ ... I realize
I can do this with "egrep -f " and use regexp instead of strings, but
was wondering if there was some magic way to do this.
\_ UNIX has no magic. Make a shell script to produce the ask or egrep
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2011/7/30-8/10 [Computer/SW/Languages/Misc] UID:54148 Activity:nil 66%like:54150 | 7/29 Happy Sysadmin Day
\_ our "sysadmin" today deleted /home. When we asked her why
she said she didn't do it. When I checked the sudo logs,
I found these two commands in order:
COMMAND=/bin/rm -r /home testuser
COMMAND=/bin/rm -r /home/testuser
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2011/5/19-7/13 [Computer/SW/Languages/Misc] UID:54115 Activity:nil | 5/19 If script A runs, and calls script B ..... is it possible for me to exit\
script A based on results of script B and not continue?
\_ assume any shell
\_ Yes.
\_ without passing the result to some stupid temp file?
\_ It sounds like you want "scriptb || exit", which will run
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2010/4/22-5/10 [Computer/SW/Languages/Misc] UID:53797 Activity:nil | 4/22 In Linux is there an easy way to rename the scripts in /etc/rc?.d ?
For example I want to set all the /etc/rc?.d/S91apache to S100apache
so that it'll run the ramdisk BEFORE going to apache.
\_ Sure, just move them.
\_ I mean is there a script that will rename all of them
for me? Like: setrc apache2 0 0 1 1 1 1
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2009/8/19-9/1 [Computer/SW/Unix] UID:53285 Activity:nil | 8/18 Hi again, new freebsd guy here again, in bash I was able to go
LD_LIBRARY_PATH=/opt/foo/lib ./runmyapp
I managed to do this in tcsh by using setenv in a shell script
that setenv's the lib path and then executes $1, just wondering
if there was a way to do it in 1 line from the cmd line as in bash?
Thanks, btw %2c or %3c worked. Freebsd, tcsh and vi forever!
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2009/5/5-6 [Computer/HW/Laptop] UID:52950 Activity:moderate | 5/5 Is there a good (or standard) way to make an offline copy of a w
ordpress blog (mine, not someone else's)? tia.
\_ oh man.
\_ I could cobble something together with curl / wget, but I'd
rather not if there is a standard way of doing this. I'm
pretty new to wordpress / blogging and I just want to keep
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2009/1/14-22 [Computer/SW/Languages/Perl, Computer/SW/Languages/Misc] UID:52378 Activity:nil | 1/13 I want to extract a couple integer from an xml file, mainly,
xml file from http://weather.com so I can put it on my xplanet marker
file. has anyone done similar things (parse and extract data
from xml) using shell script instead of python/perl?
in the world of perl, it make sense to dump things into a hash
which i can easily extract key/value pair. can i achieve similar
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