# Latest **URL:** https://www.ruby-forum.com/latest.md?page=523 [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:** 524 --- ## [Login Problem](https://www.ruby-forum.com/t/login-problem/236698)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [October 10, 2013, 10:42am UTC](https://www.ruby-forum.com/t/login-problem/236698 "2013-10-10T10:42:37Z")
Hello All, I am getting a problem while login for inactive users. While login I am getting - Processing by Devise::SessionsController#new as HTML User Load (0.7ms) SELECT “users”.\* FROM “users” WHERE “users”.“id” = … --- ## [\[Jobs\] Lead Ruby Developer (London)](https://www.ruby-forum.com/t/jobs-lead-ruby-developer-london/236901)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 10, 2013, 10:18am UTC](https://www.ruby-forum.com/t/jobs-lead-ruby-developer-london/236901 "2013-10-10T10:18:12Z")
Show My Homework is one of the fastest growing companies in the ICT for education sector. Our product is unrivalled in the marketplace and as a result we are rapidly expanding. This is an amazing opportunity to join a… --- ## [2014 Fukuoka Ruby Award Competition -Entries to be judged by Matz](https://www.ruby-forum.com/t/2014-fukuoka-ruby-award-competition-entries-to-be-judged-by-matz/236898)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 10, 2013, 10:15am UTC](https://www.ruby-forum.com/t/2014-fukuoka-ruby-award-competition-entries-to-be-judged-by-matz/236898 "2013-10-10T10:15:44Z")
Dear Ruby Enthusiasts, The Government of Fukuoka, Japan together with “Matz” Matsumoto would like to invite you to enter the following Ruby competition. If you have developed an interesting Ruby program, please be enc… --- ## [More "wishes" for GRC](https://www.ruby-forum.com/t/more-wishes-for-grc/246386)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [October 10, 2013, 10:12am UTC](https://www.ruby-forum.com/t/more-wishes-for-grc/246386 "2013-10-10T10:12:13Z")
It would be convenient (well, beyond convenient, actually), if there were a way to do init-time (not necessarily post-flowgraph-start) flow-graph reconfiguration at run-time. There’s currently a “disable” control wi… --- ## [Minor gotchas for jruby-1.7.5 on Windows systems](https://www.ruby-forum.com/t/minor-gotchas-for-jruby-1-7-5-on-windows-systems/236899)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 10, 2013, 9:30am UTC](https://www.ruby-forum.com/t/minor-gotchas-for-jruby-1-7-5-on-windows-systems/236899 "2013-10-10T09:30:09Z")
Hi, 1st minor gotcha: missing .bat files. =\> When I performed some tests past 2 months on 1.7.5 dev snapshots, I used jruby-jars-1.7.5.gem most of the time, not the pure Windows installer. During that time, I notice… --- ## [Best Book 4 RoR](https://www.ruby-forum.com/t/best-book-4-ror/246388)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 4\ **Last updated:** [October 10, 2013, 7:02am UTC](https://www.ruby-forum.com/t/best-book-4-ror/246388 "2013-10-10T07:02:54Z")
Hello, Is there a great book for Ror. I am looking for a book with a step by step approch and by PROJECTS!! RoR needs to be ‘practiced’, and i didn’t find those WORKING PROJECTS. Am i dreaming or is this paper exist… --- ## [A Student in need of Guidance](https://www.ruby-forum.com/t/a-student-in-need-of-guidance/246341)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 8\ **Last updated:** [October 10, 2013, 6:43am UTC](https://www.ruby-forum.com/t/a-student-in-need-of-guidance/246341 "2013-10-10T06:43:37Z")
Hello Community, I am currently in my Junior year college and will be looking for some internship here very soon. I’ve taken core classes on C#, ASP.Net, Java and have started to learn Ruby and a little bit of Python … --- ## [I have one silly question](https://www.ruby-forum.com/t/i-have-one-silly-question/236897)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 10, 2013, 5:35am UTC](https://www.ruby-forum.com/t/i-have-one-silly-question/236897 "2013-10-10T05:35:14Z")
Hello , everyone ! today when i wake up , my mind click one question , what is the range of band with for best energy detection based spectrum sensing …? from my study of paper i came to know energy det… --- ## [Threads or processes](https://www.ruby-forum.com/t/threads-or-processes/246377)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [October 10, 2013, 5:06am UTC](https://www.ruby-forum.com/t/threads-or-processes/246377 "2013-10-10T05:06:37Z")
Hi, for a common parallel task (not web service), should I use threads or processes to handle it? is ruby’s threads stable? Thanks. --- ## [\[ruby-trunk - Bug #8995\]\[Open\] バイナリデータを文字列として encode! すると readbyte の結果が変化する](https://www.ruby-forum.com/t/ruby-trunk-bug-8995-open-encode-readbyte/246371)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 8\ **Last updated:** [October 10, 2013, 3:56am UTC](https://www.ruby-forum.com/t/ruby-trunk-bug-8995-open-encode-readbyte/246371 "2013-10-10T03:56:28Z")
Issue #8995 has been reported by hsbt (Hiroshi SHIBATA). Bug #8995: バイナリデータを文字列として encode! すると readbyte の結果が変化する Author: hsbt (Hiroshi SHIBATA) Status: Open Priority: Normal Assignee: Category: Target version: … --- ## [Specify which methods show up in SWIG version of C++ block](https://www.ruby-forum.com/t/specify-which-methods-show-up-in-swig-version-of-c-block/246382)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 10:56pm UTC](https://www.ruby-forum.com/t/specify-which-methods-show-up-in-swig-version-of-c-block/246382 "2013-10-09T22:56:57Z")
I’m working on some custom C++ blocks. I would like to have a few methods in the C++ world visible to Python so that they can be called directly. My understanding is that GRC can then make such things visible through … --- ## [Getting selenium working with jruby/sinatra/cucumber/webrat on windows](https://www.ruby-forum.com/t/getting-selenium-working-with-jruby-sinatra-cucumber-webrat-on-windows/236896)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 9, 2013, 10:51pm UTC](https://www.ruby-forum.com/t/getting-selenium-working-with-jruby-sinatra-cucumber-webrat-on-windows/236896 "2013-10-09T22:51:06Z")
I am trying to run cucumber/webrat with Sinatra on Jruby 1.7.3 (1.9.3) on Windows. It seems to work ok, but when I try to add selenium to webrat. I get the error shown below. It seems like it thinks it is in a linux… --- ## [Timestamp tags and set\_min\_output\_buffer](https://www.ruby-forum.com/t/timestamp-tags-and-set-min-output-buffer/236895)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 9:44pm UTC](https://www.ruby-forum.com/t/timestamp-tags-and-set-min-output-buffer/236895 "2013-10-09T21:44:30Z")
Hi, I’m writing a block that always outputs the same number of items as it gets in. The block is doing FFT on a fixed length vector, so I always need nfft samples in and nfft samples out. I’ve achieved this (I think… --- ## [Invalid auth token on production site](https://www.ruby-forum.com/t/invalid-auth-token-on-production-site/236110)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 8:58pm UTC](https://www.ruby-forum.com/t/invalid-auth-token-on-production-site/236110 "2013-10-09T20:58:53Z")
I get this error Invalid auth token on my production website (Rails 4) deployed using capistrano and puma. Just that error on a white screen and nothing else. How do I debug this? I googled for similar error but al… --- ## [Smtp and Threads](https://www.ruby-forum.com/t/smtp-and-threads/236888)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 4\ **Last updated:** [October 9, 2013, 5:38pm UTC](https://www.ruby-forum.com/t/smtp-and-threads/236888 "2013-10-09T17:38:01Z")
Hi, I have a method sendEmail that is sending emails correctly and i decided to call the method inside a Thread so I don’t have to wait until the email is sent but I don’t know why it is not working, this is the code: … --- ## [USRP1 gain](https://www.ruby-forum.com/t/usrp1-gain/236615)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 9\ **Last updated:** [October 9, 2013, 5:23pm UTC](https://www.ruby-forum.com/t/usrp1-gain/236615 "2013-10-09T17:23:49Z")
Hi ll guys, I am using for my application usrp1 and wbx board. From the documentation I got that maximum amplification value of 20 db, but in my flowgraph I am able to specify without problems more gain for usrp sour… --- ## [R: Re: R: R: Re: around empty subcarrier in 802.11n implementation](https://www.ruby-forum.com/t/r-re-r-r-re-around-empty-subcarrier-in-802-11n-implementation/236894)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 9, 2013, 5:00pm UTC](https://www.ruby-forum.com/t/r-re-r-r-re-around-empty-subcarrier-in-802-11n-implementation/236894 "2013-10-09T17:00:26Z")
Ok, I was supposing that. So in the python code of the receiver I’ve put: tr=uhd.tune\_request(self.\_freq,self.\_offset)self.uhd\_usrp\_source\_0.set\_center\_freq(tr) where freq and offset are passed as parameters. In this … --- ## [ASK transmittter](https://www.ruby-forum.com/t/ask-transmittter/236890)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 9, 2013, 4:59pm UTC](https://www.ruby-forum.com/t/ask-transmittter/236890 "2013-10-09T16:59:50Z")
Hi all guys, i wonder what is the easiest way to implement ask transmitter in gnu radio? I tried with qam transmitter but it doesn’t allow me 2 constellation points. Best, --- ## [\[Backport 200 - Backport #8969\]\[Assigned\] backport r43092 (call gc\_rest\_sweep on GC.disable)](https://www.ruby-forum.com/t/backport-200-backport-8969-assigned-backport-r43092-call-gc-rest-sweep-on-gc-disable/236753)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 4:58pm UTC](https://www.ruby-forum.com/t/backport-200-backport-8969-assigned-backport-r43092-call-gc-rest-sweep-on-gc-disable/236753 "2013-10-09T16:58:40Z")
Issue #8969 has been reported by nagachika (Tomoyuki C.). Backport #8969: backport r43092 (call gc\_rest\_sweep on GC.disable) Author: nagachika (Tomoyuki C.) Status: Assigned Priority: Normal Assignee: nagachika (T… --- ## [GR Community Development / User Experience Working Group](https://www.ruby-forum.com/t/gr-community-development-user-experience-working-group/236858)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 9, 2013, 3:34pm UTC](https://www.ruby-forum.com/t/gr-community-development-user-experience-working-group/236858 "2013-10-09T15:34:28Z")
Dear community, at the last GRCon we discussed the user experience regarding GNU Radio. A pretty huge group of people came together for a very productive discussion on how the user experience can be improved. Our met… --- ## [Iq balance calibration](https://www.ruby-forum.com/t/iq-balance-calibration/246354)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 3\ **Last updated:** [October 9, 2013, 3:28pm UTC](https://www.ruby-forum.com/t/iq-balance-calibration/246354 "2013-10-09T15:28:02Z")
Hello, I am trying to adapt the existing cal\_tx/rx\_iq\_balance utility to a development daughterboard. Initially, I am trying to just get the existing code running and then I intend to modify it if it is not compatibl… --- ## [Consuming a web service created with Rails, ETL vs Rest?](https://www.ruby-forum.com/t/consuming-a-web-service-created-with-rails-etl-vs-rest/236866)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [October 9, 2013, 3:22pm UTC](https://www.ruby-forum.com/t/consuming-a-web-service-created-with-rails-etl-vs-rest/236866 "2013-10-09T15:22:46Z")
Hello, I need to consume a web service of an App called RedMine created with Rails, in order to have a sort of “separate” interface (not the same as the app) for one of the departments (that interact with the app) to … --- ## [Problem with {} in map regex matching](https://www.ruby-forum.com/t/problem-with-in-map-regex-matching/236885)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 9, 2013, 1:45pm UTC](https://www.ruby-forum.com/t/problem-with-in-map-regex-matching/236885 "2013-10-09T13:45:10Z")
To my surprise, apparently doing a match with {} like in: map $args $has\_tr0\_arg { default 0; ~“tr%5B0%5D%3D=\[1-9\]\[\[:digit:\]\]{3}-\[\[:digit:\]\]{2}-\[\[:digit:\]\]{2}T\[\[:digit:\]\]{2}%2F\[1-9\]\[\[:digit:\]\]{3}-\[\[:digit:\]\]{2}-\[\[:dig… --- ## [Is there a problem with my nginx.conf?](https://www.ruby-forum.com/t/is-there-a-problem-with-my-nginx-conf/193866)
**Author:** [@sastro](https://www.ruby-forum.com/u/sastro)\ **Replies:** 9\ **Last updated:** [October 9, 2013, 1:18pm UTC](https://www.ruby-forum.com/t/is-there-a-problem-with-my-nginx-conf/193866 "2013-10-09T13:18:17Z")
Hi, I’m new with nginx, so i just copy paste my nginx.conf from some resources on internet. I just want to know if there’s any mistakes or wrong configuration. Here it is user nginx; worker\_processes 1;… --- ## [String functions](https://www.ruby-forum.com/t/string-functions/246408)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 1:14pm UTC](https://www.ruby-forum.com/t/string-functions/246408 "2013-10-09T13:14:11Z")
Hi to all ! I am trainee on RoR. I did not know how to use string functions? Please help me.I am waiting for your positive response. --- ## [Intermittent connectivity issues ngx\_mail\_pop3\_module](https://www.ruby-forum.com/t/intermittent-connectivity-issues-ngx-mail-pop3-module/246392)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [October 9, 2013, 1:10pm UTC](https://www.ruby-forum.com/t/intermittent-connectivity-issues-ngx-mail-pop3-module/246392 "2013-10-09T13:10:05Z")
Hi everyone, I’ve recently installed nginx as a POP3/IMAP proxy, fronting for a single server. Everything works most of the time. But every once in a while, nginx fails to forward incoming connections with “-ERR inter… --- ## [No audio block working in fresh install of 3.7.2 on virgin Debian system](https://www.ruby-forum.com/t/no-audio-block-working-in-fresh-install-of-3-7-2-on-virgin-debian-system/236818)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 5\ **Last updated:** [October 9, 2013, 12:37pm UTC](https://www.ruby-forum.com/t/no-audio-block-working-in-fresh-install-of-3-7-2-on-virgin-debian-system/236818 "2013-10-09T12:37:31Z")
I have installed a completely fresh version of Debian Wheezy on my Dell E4310 Laptop. I have also installed gnuradio via pyboms from the main distribution last night, as recommended. I also installed gr-fcd. This is p… --- ## [CRC32 Block Check/Generator problem in OFDM Examples](https://www.ruby-forum.com/t/crc32-block-check-generator-problem-in-ofdm-examples/246405)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [October 9, 2013, 12:37pm UTC](https://www.ruby-forum.com/t/crc32-block-check-generator-problem-in-ofdm-examples/246405 "2013-10-09T12:37:09Z")
Hello all, I am using gnuradio 3.7.1. I am currently working on ofdm examples. In tx\_ofdm.grc, we generate CRC32 bit sequence and check the same in rx\_ofdm.grc. But in rx\_ofdm.grc, the default option that is used is … --- ## [Zlib bug or intended behaviour?](https://www.ruby-forum.com/t/zlib-bug-or-intended-behaviour/236886)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 9, 2013, 12:22pm UTC](https://www.ruby-forum.com/t/zlib-bug-or-intended-behaviour/236886 "2013-10-09T12:22:31Z")
Hi, I recently had to inflate a malformed compressed (RFC1950) string. The zlib magicbytes as well as the adler32-crc were missing. I tried different ways to inflate the string. First I prepended the zlib magic byte … --- ## [\[ANN\] JRuby 1.7.5 released](https://www.ruby-forum.com/t/ann-jruby-1-7-5-released/236854)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 10\ **Last updated:** [October 9, 2013, 11:57am UTC](https://www.ruby-forum.com/t/ann-jruby-1-7-5-released/236854 "2013-10-09T11:57:00Z")
JRuby 1.7.5 Released Monday, October 07 2013 The JRuby community is pleased to announce the release of JRuby 1.7.5 Homepage: http://www.jruby.org/ Download: http://www.jruby.org/download JRuby 1.7.5 is our fifth upda… [Previous page](https://www.ruby-forum.com/latest.md?page=522) [Next page](https://www.ruby-forum.com/latest.md?page=524)