similar to: first day using rails

Could someone please elaborate on the technical differences and practical impact of whether choosing memory-based tables in MySQL or using memcached. I got this far on my own: It seems that MySQL uses the NDB engine for transaction-safe memory access in a cluster. the memory storage engine seems to be faster but not synchronizable by any means in a cluster. memcached seems to be ultimately fast

Here''s a gedanken experiment for those w/ far more knowledge than I about ActiveRecord, etc.: Let''s say my database is very remote and on a very slow machine. Let''s further say that my app has an action that leads to a very simple insert into the "impressions" table of the db, a la "INSERT INTO impressions(docid) VALUES($docid);" - and

Hello, I have tried to setup Ruby-on-rails on my debian Linux machine and can not get it to run. Maybe someone can help. The following was installed already: - apache2 2.0.54 (and PHP5) - Postgresql 8.1 Now, having the ''unstable'' branch in my /etc/apt/sources.list I did: apt-get install libapache2-mod-ruby and Apache reports a "mod_ruby/1.2.4 Ruby/1.8.4"

When I try to see a controller I get a 404 error, this is what WEBrick says What could it be? Thanks for the help ;) => Booting WEBrick... => Rails application started on http://0.0.0.0:3000 => Ctrl-C to shutdown server; call with --help for options [2007-09-10 13:30:26] INFO WEBrick 1.3.1 [2007-09-10 13:30:26] INFO ruby 1.8.6 (2007-06-07) [i486-linux] [2007-09-10 13:30:26] INFO

Hi samba lists, we have a samba-ldap domain running on a debian squeeze (samba 3.5.6)server (pdc and bdc). I try to configure a domain member server on an other debian squeeze that will serve as cifs and nfs server. My Debian server member use winbind (on ldap) for mapping the users windows sid to the unix uid. The users mapping is write in the the ldap directory : ou=idmap,dc=exemple,dc=com

plz give me the solution to solve the below error ActionController::RoutingError ActionController::RoutingError in Issues#new Showing app/views/issues/_issue.rhtml where line #1 raised: issue_url failed to generate from {:controller=>"issues", :action=>"show", :id=>nil}, expected: {:controller=>"issues", :action=>"show"}, diff:

I created a rails application by "rails demo" command and generated a controller "script/generate controller Say". Then I created a file in app/view/say/hello.html.erb. I added a method "hello" in app/controllers/say_controller.rb. From a browser to access the link "http://localhost:3000/say/hello, I got this error: MissingSourceFile in SayController#index no

Hi. I''ve installed ruby, gems, rails into a user directory according to the installation instructions (for linux). I haven''t setup any path information nor setup any symlinks or any compilation options. When I try rails, I find that the system accesses controllers but that the corresponding views are not displayed. I wonder if there is something that I forgot to configure

Hello! I m new to rails. I m playing around with it on a SuSE 10.0 box with ruby 1.8.2 and gems and rails and postgres. rails xyz creates a nice rails application, with its directory and ruby script/server runs webrick nicely and lets me see the page on localhost:3000. I went with some tutorial to create a Hello page showing the time and a Bye-Link to link to an Bye page. cat

Hi, I try to configure a samba 4.1.17 server member of a samba3.5.6 (ldap backend ) domain. i can mount the smb share on a windows client but i cant modify the acl. this is the samba server logs: create_canon_ace_lists: unable to map SID S-1-5-21-856890099-1868262392-538272213-2012 to uid or gid when i try to manually map SID to UID with wbinfo: wbinfo -S

Hello Everyone, I am relatively new to linux and Samba and I am having some difficulties setting Samba up as a Primary Domain Controller. Ihave read the Pdf document called "Using Samba as a PDC" by developrWorks and I have read most of the Howto documents relating to Samba. When I try to connect to my samba server with Win98se I get the message "no Domain server was able to

R-Helpers, I'm sorry to have to ask this -- I've not used R very much in the last 8 or 10 months, and I've gotten rusty. I have the following (ff2 is a subset of a much, much larger dataset): > ff2 hostName user sys idle obsTime 10142 fred 0.4 0.5 98.0 2007-11-01 02:02:18 16886 barney 0.5 0.2 94.6 2007-10-25 19:12:12 8795 fred 0.0 0.1 99.8

Hallo, I have got an existing data frame and want to add a new column. The existing data frame was created like this: > df <- rbind( c("Fred", "Mary", 4), c("Fred", "Mary", 7), + c("Fred", "Mary", 9), c("Barney", "Liz", 3), + c("Barney", "Liz", 5) ) > df

Hallo, I build a list by the following way: Lst = list(name="Fred", wife="Mary", no.children=3, cild.ages=c(4,7,9)) I know how I can extract the information one by one. But now I want to add a new entry which looks like name="Barney", wife="Liz", no.children=2, cild.ages=c(3,5) How can I add this information to Lst without overwriting the first entry?

Updated my Athlon-xp 6-stable system last night, got an em watchdog timeout for the first time a few hours later, during a fairly high-traffic period. System is UP but does have device apic in the config. Any chance this is the recent race condition? Workaround? ifconfig em0 down, ifconfig em0 up seemed to cure it, at least for the moment. Thanks, Barney Wolff -- Barney Wolff I never

Hi all, I''ve come quite far with my puppet setup, but a few times I got this problem: I want to execute a few things if a file isn''t present on the puppet client. For example: I want puppet to check if the mod_passenger apache module exists. If not: installl passenger from gem. Execute the installer, copy the config file and enable the module with a2enmod. What would be the

Last week one of our clients reported trouble with a csv file I generated with write.table. He said that columns with quotes for character variables were rejected by their data importer, which was revised to match the way Microsoft Excel uses quotation marks in character variables. I explained to them that quoted character variables are virtuous and wise, of course, but they say Microsoft Excel

I search an plugin or gem, but don''t find nothing satisfactory. I believe to be stranger a technology that nails the DRY, have that create you vary equal tables, instead of using inheritance. Exists an soluction for this? I want a solution similar to this: create_table :people |t| do t.column :name t.column :address end create_table :customer |t| do t.column :person_id

Is it feasible to port Wine to Visopsys? http://www.visopsys.org/

What if I copied my C:\Windows Directory from my Windows box to Wine's C:\Windows directory? Would it work any better?