# Ruby **URL:** https://www.ruby-forum.com/c/ruby/7.md?page=937 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 938 --- ## [Sequel Newbie question](https://www.ruby-forum.com/t/sequel-newbie-question/156235)
**Author:** [@rubynut](https://www.ruby-forum.com/u/rubynut)\ **Replies:** 1\ **Last updated:** [December 25, 2008, 2:51am UTC](https://www.ruby-forum.com/t/sequel-newbie-question/156235 "2008-12-25T02:51:08Z")
Hello Folks, I am trying out sequel and have a simple question. Here is my sample: DB = Sequel.connect(‘mysql://blah:blah@localhost:3306/thyu’) news\_stories = DB\[:feed\_items\].filter({:content\_grabbed =\> ‘0’} & (:url.… --- ## [Ini file reader/writer](https://www.ruby-forum.com/t/ini-file-reader-writer/156338)
**Author:** [@madhan\_sym](https://www.ruby-forum.com/u/madhan_sym)\ **Replies:** 1\ **Last updated:** [December 24, 2008, 10:50pm UTC](https://www.ruby-forum.com/t/ini-file-reader-writer/156338 "2008-12-24T22:50:38Z")
Hi Guys, I am new joinee to this forum and also to ruby language.After spent two weeks of ruby learning,I have written a module “IniParser” which basically read/write ini files. I know there are few ruby gems availab… --- ## [\[Bug #917\] cannot make with bison-2.4.1 (cont.)](https://www.ruby-forum.com/t/bug-917-cannot-make-with-bison-2-4-1-cont/156192)
**Author:** [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\ **Replies:** 1\ **Last updated:** [December 24, 2008, 9:07pm UTC](https://www.ruby-forum.com/t/bug-917-cannot-make-with-bison-2-4-1-cont/156192 "2008-12-24T21:07:41Z")
Bug #917: cannot make with bison-2.4.1 (cont.) http://redmine.ruby-lang.org/issues/show/917 e$B5/I\<\ **Author:** [@nephish](https://www.ruby-forum.com/u/nephish)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 5:37pm UTC](https://www.ruby-forum.com/t/run-a-function-as-a-stand-alone-app-with-arguments/156330 "2008-12-24T17:37:40Z") Hey all, i have a function that needs to be able to be called from within a ruby script or run as a stand-alone app from the CLI. so if i have, for example: def do\_something(arg1, arg2) return arg1 + arg2 end in a… --- ## [Newbie - open file permission denied](https://www.ruby-forum.com/t/newbie-open-file-permission-denied/156326)
**Author:** [@adistarmid](https://www.ruby-forum.com/u/adistarmid)\ **Replies:** 3\ **Last updated:** [December 24, 2008, 5:35pm UTC](https://www.ruby-forum.com/t/newbie-open-file-permission-denied/156326 "2008-12-24T17:35:50Z")
I am attempting to open a directory, open each file and send each line of the file to a network host. I can get the code to work for a single file, but the script fails with a “permission denied” error when I attempt … --- ## [Net::HTTPResponse#read\_body usable for timing?](https://www.ruby-forum.com/t/net-httpresponse-read-body-usable-for-timing/156272)
**Author:** [@helix\_tp](https://www.ruby-forum.com/u/helix_tp)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 3:20pm UTC](https://www.ruby-forum.com/t/net-httpresponse-read-body-usable-for-timing/156272 "2008-12-24T15:20:04Z")
I have some simple network performance analysis I need to do; easiest and most flexible thing to do would be to use Net::HTTP in Ruby to do this, but I want to make sure I’m getting somewhat realistic results. (Note s… --- ## [Integer.step is inclusive?!](https://www.ruby-forum.com/t/integer-step-is-inclusive/156277)
**Author:** [@maz](https://www.ruby-forum.com/u/maz)\ **Replies:** 5\ **Last updated:** [December 24, 2008, 2:00pm UTC](https://www.ruby-forum.com/t/integer-step-is-inclusive/156277 "2008-12-24T14:00:26Z")
I don’t know how to post the output of irb so I’ll just have to describe it but if I run the following code: 0.upto(10){ |i| puts i } ...I will get 11 lines of output. This iterates eleven times. Really?! Why it d… --- ## [Can't build with GCC's -ansi option](https://www.ruby-forum.com/t/cant-build-with-gccs-ansi-option/156317)
**Author:** [@Kouhei\_S](https://www.ruby-forum.com/u/Kouhei_S)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 1:05pm UTC](https://www.ruby-forum.com/t/cant-build-with-gccs-ansi-option/156317 "2008-12-24T13:05:59Z")
e$B?\\F#$G$9!#e(B e$B:#F|!"e(BSubversione$B$N?M$?$A$Ke(BRubye$B%P%$%s%G%#%s%0$,%S%k%I$G$-$J$$e(B e$B$H8@$o$l$F5$IU$$$?$N$G$9$,!"e(BGCCe$B$Ne(B-ansie$B%\*%W%7%g%s$r$D$1$k$H3He(B e$BD%%i%$%V%i%j$,%S%k%I$G$-$^$;$s!#e(B e$… --- ## [OptionParser can't tell me about non-options on command line](https://www.ruby-forum.com/t/optionparser-cant-tell-me-about-non-options-on-command-line/156281)
**Author:** [@alanp](https://www.ruby-forum.com/u/alanp)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 12:55pm UTC](https://www.ruby-forum.com/t/optionparser-cant-tell-me-about-non-options-on-command-line/156281 "2008-12-24T12:55:26Z")
I’d like to have a command line invocation of my ruby script that looks like the following: Usage: vmci.rb \[options\] command args … options: -h, -?, --help generate this usage message -l, --log-file FILE … --- ## [Script/runner error](https://www.ruby-forum.com/t/script-runner-error/156290)
**Author:** [@CiriusMex](https://www.ruby-forum.com/u/CiriusMex)\ **Replies:** 1\ **Last updated:** [December 24, 2008, 10:41am UTC](https://www.ruby-forum.com/t/script-runner-error/156290 "2008-12-24T10:41:59Z")
Hi folks ^^, Ok I need some help here. I’m trying to create a script to automatically send Newsletters every day. The script is ready, but as I never used ruby script/runner I just wanted to make some test before. So… --- ## [About Float](https://www.ruby-forum.com/t/about-float/155805)
**Author:** [@Kyung\_won\_C](https://www.ruby-forum.com/u/Kyung_won_C)\ **Replies:** 9\ **Last updated:** [December 24, 2008, 9:35am UTC](https://www.ruby-forum.com/t/about-float/155805 "2008-12-24T09:35:27Z")
a = 1333.3339999999964 b = 1333.3339999999965 c = 1333.334 puts a # 1333.334 puts b # 1333.334 puts c # 1333.334 puts a == b # =\> false puts a == c # =\> false puts b == c # =\> false ########… --- ## [(was Re: \[ruby-cvs:28066\])](https://www.ruby-forum.com/t/was-re-ruby-cvs-28066/155843)
**Author:** [@Akinori\_MUSHA](https://www.ruby-forum.com/u/Akinori_MUSHA)\ **Replies:** 7\ **Last updated:** [December 24, 2008, 8:00am UTC](https://www.ruby-forum.com/t/was-re-ruby-cvs-28066/155843 "2008-12-24T08:00:06Z")
At Wed, 17 Dec 2008 19:57:17 +0900 (JST), I wrote: Modified files: branches/ruby\_1\_8/ChangeLog branches/ruby\_1\_8/string.c これがらみの修正です。ruby\_1\_8 ブランチの SOAP4R は現行版で凍結 し… --- ## [Another nil concern](https://www.ruby-forum.com/t/another-nil-concern/156296)
**Author:** [@Nasir\_K](https://www.ruby-forum.com/u/Nasir_K)\ **Replies:** 1\ **Last updated:** [December 24, 2008, 4:15am UTC](https://www.ruby-forum.com/t/another-nil-concern/156296 "2008-12-24T04:15:40Z")
irb(main):012:0\> nil =~ /foo/ =\> false Should’nt it return nil instead? BR nasir --- ## [Name that data structure!](https://www.ruby-forum.com/t/name-that-data-structure/156221)
**Author:** [@simon780](https://www.ruby-forum.com/u/simon780)\ **Replies:** 17\ **Last updated:** [December 24, 2008, 3:43am UTC](https://www.ruby-forum.com/t/name-that-data-structure/156221 "2008-12-24T03:43:27Z")
I’m using a data structure that I’m sure has been implemented and studied to death several times over… but I don’t know it’s name. The structure is simple: any given node may have one or more previous nodes. Nodes ca… --- ## [Grepper: object-oriented grepping](https://www.ruby-forum.com/t/grepper-object-oriented-grepping/156294)
**Author:** [@David\_ASBlack](https://www.ruby-forum.com/u/David_ASBlack)\ **Replies:** 1\ **Last updated:** [December 24, 2008, 3:26am UTC](https://www.ruby-forum.com/t/grepper-object-oriented-grepping/156294 "2008-12-24T03:26:28Z")
Hi – If you feel the need to do simple object-oriented grepping, have a look at the Grepper class, which is in a project I’ve started on RubyForge (http://rubyforge.org/projects/grepper/). You give a Grepper object a… --- ## [JotBot, a JRuby desktop tool for tracking time](https://www.ruby-forum.com/t/jotbot-a-jruby-desktop-tool-for-tracking-time/156224)
**Author:** [@byrnejb](https://www.ruby-forum.com/u/byrnejb)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 2:42am UTC](https://www.ruby-forum.com/t/jotbot-a-jruby-desktop-tool-for-tracking-time/156224 "2008-12-24T02:42:37Z")
The first commercial JRuby desktop application is available. JotBot, a unique “pull” time tracking application, has been released. JotBot leverages the power and agility of JRuby atop several key Java technologies inc… --- ## [Error after install](https://www.ruby-forum.com/t/error-after-install/156231)
**Author:** [@callenmas](https://www.ruby-forum.com/u/callenmas)\ **Replies:** 10\ **Last updated:** [December 24, 2008, 2:12am UTC](https://www.ruby-forum.com/t/error-after-install/156231 "2008-12-24T02:12:22Z")
I installed Ruby on my RHEL 3 system. I did the following: ./configure make make test make install No errors in the whole process. Now when I try to run irb in /usr/local/bin/irb I’m gettin the following error: $… --- ## [Jruby-1.6 and FFI (and GLPK)](https://www.ruby-forum.com/t/jruby-1-6-and-ffi-and-glpk/155928)
**Author:** [@Maurice\_Diamantini](https://www.ruby-forum.com/u/Maurice_Diamantini)\ **Replies:** 2\ **Last updated:** [December 24, 2008, 12:47am UTC](https://www.ruby-forum.com/t/jruby-1-6-and-ffi-and-glpk/155928 "2008-12-24T00:47:59Z")
Bonjour à tous ! Thank you for putting FFI in JRuby. If I understand well it’s new possibility, it would allow me to use native C extension (perhaps C++ later ?) directly from a JRuby script as well as a standard Rub… --- ## [Ruby midi problem](https://www.ruby-forum.com/t/ruby-midi-problem/156088)
**Author:** [@rick\_2047](https://www.ruby-forum.com/u/rick_2047)\ **Replies:** 3\ **Last updated:** [December 23, 2008, 10:48pm UTC](https://www.ruby-forum.com/t/ruby-midi-problem/156088 "2008-12-23T22:48:57Z")
Ok i was going through the book “Ruby practical Projects” and right at the first chapter i had this problem. The first chapter is all about calling the alsa raw midi functions in ruby to play midi from ruby. I think i… --- ## [Re: JRuby 1.1.6 and json-jruby on Tomcat](https://www.ruby-forum.com/t/re-jruby-1-1-6-and-json-jruby-on-tomcat/156275)
**Author:** [@ed\_copony](https://www.ruby-forum.com/u/ed_copony)\ **Replies:** 0\ **Last updated:** [December 23, 2008, 8:04pm UTC](https://www.ruby-forum.com/t/re-jruby-1-1-6-and-json-jruby-on-tomcat/156275 "2008-12-23T20:04:56Z")
Just for the record, I got around this issue by switching to from json\_jruby to json-pure, but I had to use a patched version of json-pure so it would play nice in our environment: Tomcat is able to find and load th… --- ## [Rjudy](https://www.ruby-forum.com/t/rjudy/156273)
**Author:** [@beho](https://www.ruby-forum.com/u/beho)\ **Replies:** 0\ **Last updated:** [December 23, 2008, 7:43pm UTC](https://www.ruby-forum.com/t/rjudy/156273 "2008-12-23T19:43:11Z")
Hi, does anyone have experience running rjudy lately (http://raa.ruby-lang.org/project/rjudy/) ? I can’t get over ‘install.rb setup’ phase because of this error: judy\_wrap.c:1211: error: lvalue required as left opera… --- ## [Loading up a hash with variables if they are defined](https://www.ruby-forum.com/t/loading-up-a-hash-with-variables-if-they-are-defined/156265)
**Author:** [@oldbug](https://www.ruby-forum.com/u/oldbug)\ **Replies:** 4\ **Last updated:** [December 23, 2008, 6:35pm UTC](https://www.ruby-forum.com/t/loading-up-a-hash-with-variables-if-they-are-defined/156265 "2008-12-23T18:35:16Z")
Is there a cleaner, more Rubyesque way to do this? Return a hash of the navigation parameters def nav\_params params = {} params\[:prefix\] = @prefix if @prefix params\[:category\_id\] = @category\_id if @category\_… --- ## [Looking for a way to detach attachment from email at arrival](https://www.ruby-forum.com/t/looking-for-a-way-to-detach-attachment-from-email-at-arrival/156269)
**Author:** [@Asif\_Iqbal](https://www.ruby-forum.com/u/Asif_Iqbal)\ **Replies:** 0\ **Last updated:** [December 23, 2008, 6:10pm UTC](https://www.ruby-forum.com/t/looking-for-a-way-to-detach-attachment-from-email-at-arrival/156269 "2008-12-23T18:10:39Z")
I am looking for a ruby way to receive an email with attachment, detach the attachment, convert it to a URL, insert the url in the body and send the email away to the recipeint. I see the modules ActionMailer and TMai… --- ## [Logfile name format in logging](https://www.ruby-forum.com/t/logfile-name-format-in-logging/156237)
**Author:** [@murraj](https://www.ruby-forum.com/u/murraj)\ **Replies:** 3\ **Last updated:** [December 23, 2008, 5:13pm UTC](https://www.ruby-forum.com/t/logfile-name-format-in-logging/156237 "2008-12-23T17:13:34Z")
Hi, I am using the “logging” gem for logging. I used the “RollingFile” appender to rotate the log files. When the files are rotated they are saved with the sequential number extension. That is like develeopment.1.lo… --- ## [January Phoenix Ruby User Group Meeting](https://www.ruby-forum.com/t/january-phoenix-ruby-user-group-meeting/156262)
**Author:** [@byrnejb](https://www.ruby-forum.com/u/byrnejb)\ **Replies:** 0\ **Last updated:** [December 23, 2008, 4:47pm UTC](https://www.ruby-forum.com/t/january-phoenix-ruby-user-group-meeting/156262 "2008-12-23T16:47:47Z")
January '09 Phoenix Ruby U. Group Meeting Date: Monday, January 12, 2008 Time: 6:30 pm - at Happy Camper Studios offices (But come for pizza at 6pm!) Place: Happy Camper Studios 4643 E. Thomas Rd. Suite #3 Phoeni… --- ## [\[Bug #913\](Closed) mathn $B$7$?\>l9g!"(Bsqrt(NaN) $B$,J#AG?t$K$J$k(B](https://www.ruby-forum.com/t/bug-913-closed-mathn-b-7-l9g-bsqrt-nan-b-j-ag-t-k-j-k-b/156247)
**Author:** [@Yuki\_S](https://www.ruby-forum.com/u/Yuki_S)\ **Replies:** 0\ **Last updated:** [December 23, 2008, 12:33pm UTC](https://www.ruby-forum.com/t/bug-913-closed-mathn-b-7-l9g-bsqrt-nan-b-j-ag-t-k-j-k-b/156247 "2008-12-23T12:33:51Z")
e$B%A%1%C%He(B #913 e$B$,99?7$5$l$^$7$?!#e(B (by Yuki S.) e$B%+%F%4%je(B libe$B$K%;%C%He(B e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B applied in r20938. http://redmine.ruby-lang.org/issues/show/913 --- ## [\[Bug #470\] File::open$B$N%I%-%e%a%s%H(B](https://www.ruby-forum.com/t/bug-470-file-open-b-n-i-e-a-s-h-b/146574)
**Author:** [@Yuki\_S](https://www.ruby-forum.com/u/Yuki_S)\ **Replies:** 2\ **Last updated:** [December 23, 2008, 12:32pm UTC](https://www.ruby-forum.com/t/bug-470-file-open-b-n-i-e-a-s-h-b/146574 "2008-12-23T12:32:40Z")
Bug #470: File::opene$B$N%I%-%e%a%s%He(B http://redmine.ruby-lang.org/issues/show/470 e$B5/I\<\u$G$Oe(BFile::opene$B$N5sF0$re(Brdoc… --- ## [Jruby-memcache-client project started on GitHub](https://www.ruby-forum.com/t/jruby-memcache-client-project-started-on-github/155987)
**Author:** [@ilan](https://www.ruby-forum.com/u/ilan)\ **Replies:** 9\ **Last updated:** [December 23, 2008, 9:27am UTC](https://www.ruby-forum.com/t/jruby-memcache-client-project-started-on-github/155987 "2008-12-23T09:27:22Z")
If you’ve been following the thread about MemCache issues in production, you know that this has been bothering me. Well, hopefully, no more! I’ve started a GitHub project to track my work here: Obviously, do not u… --- ## [How to .exe(instalation file) file of a Ruby Qt application](https://www.ruby-forum.com/t/how-to-exe-instalation-file-file-of-a-ruby-qt-application/156233)
**Author:** [@Narasimha\_raju\_N](https://www.ruby-forum.com/u/Narasimha_raju_N)\ **Replies:** 1\ **Last updated:** [December 23, 2008, 9:24am UTC](https://www.ruby-forum.com/t/how-to-exe-instalation-file-file-of-a-ruby-qt-application/156233 "2008-12-23T09:24:53Z")
Hi all, I am developing an application using Ruby Qt. Now i want to make that application as an installation file so that i can install that application in any system and any platform. Can any one help me how to do… --- ## [\[Bug #919\] tool/file2lastrev.rb$B$G%(%i!\<(B](https://www.ruby-forum.com/t/bug-919-tool-file2lastrev-rb-b-g-i-b/156197)
**Author:** [@sugie](https://www.ruby-forum.com/u/sugie)\ **Replies:** 3\ **Last updated:** [December 23, 2008, 7:47am UTC](https://www.ruby-forum.com/t/bug-919-tool-file2lastrev-rb-b-g-i-b/156197 "2008-12-23T07:47:19Z")
Bug #919: tool/file2lastrev.rbe$B$G%(%i!\