For issues relating to developing in Ruby, version 1.8. If your question applies to Ruby in general, use the tag [tag:ruby].
Ruby is an open-source dynamic object-oriented interpreted language created by Yukihiro Matsumoto (Matz) in the 1990s.
Questions tagged [ruby-1.8]
140 questions
5
votes
2 answers
Ruby Net::HTTP - Stop automatically escaping quotes?
I have the following code:
http = Net::HTTP.new("www.something.com", 80)
http.set_debug_output($stdout)
http.post("/blah", "something", {'random-parameter' => 'value1="something",value2="somethingelse"'})
Then when I read the output…
n s
- 1,361
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- 24
5
votes
1 answer
What is this macro?
In ruby.h, there are a lot of function macros defined like this:
static inline int
#if defined(HAVE_PROTOTYPES)
rb_type(VALUE obj)
#else
rb_type(obj)
VALUE obj;
#endif
{
if (FIXNUM_P(obj)) return T_FIXNUM;
…
NickWEI
- 59
- 2
5
votes
5 answers
Rails render partial in a loop
I am new to rails and I am trying to render a partial within a loop as such.
Here , books is an array eager loaded in controller.
books.each do |book|
<%= render 'books/book', :book => book %>
end
This works fine. But when the books array is…
testsum
- 51
- 1
- 2
5
votes
1 answer
Is there a "spawn" equivalent for Ruby 1.8.7?
Is there a spawn equivalent for ruby 1.8.7?
It appears as though it was introduced in 1.9.1
http://apidock.com/ruby/Kernel/spawn
I need the following to work in ruby 1.8.7:
def run_worker(queue, count = 1)
puts "Starting #{count} worker(s) with…
Caleb
- 3,692
- 3
- 24
- 28
4
votes
2 answers
Is there a Ruby 1.8.7 time.strftime %z bug?
I'm having an issue with Ruby 1.8.7 strftime where the %z is returning the local time after i convert the time to UTC.
I'm doing the following:
>> t = Time.now
=> Mon Dec 19 15:20:16 -0800 2011
>> t.strftime("%z")
=> "-0800"
>> t =…
roloenusa
- 761
- 1
- 10
- 19
4
votes
1 answer
"test".partition("s") calls partition from Enumerable module instead of String module
I have tried to partition a string using the partition method from the String module. However, when doing so:
puts "test".partition("s")
I get the following error message:
Line 1:in `partition': wrong number of arguments (1 for 0) (ArgumentError)…
Jan-Willem
- 187
- 1
- 12
4
votes
3 answers
Why is Symbol#to_proc slower in Ruby 1.8.7?
Relative Performance of Symbol#to_proc in Popular Ruby Implementations states that in MRI Ruby 1.8.7, Symbol#to_proc is slower than the alternative in their benchmark by 30% to 130%, but that this isn't the case in YARV Ruby 1.9.2.
Why is this the…
Andrew Grimm
- 78,473
- 57
- 200
- 338
4
votes
2 answers
ruby hash as key to a hash
Came across the following weird behaviour in ruby 1.8.6, in 1.8.7 it seems to be working correctly. Does anyone know what would have caused this?
h = {}
key_1 = {1 => 2}
key_2 = {1 => 2}
h[key_1] = 3
p key_1 == key_2 # => true
p h.has_key?(key_2) #…
Jamie Cook
- 4,375
- 3
- 42
- 53
4
votes
1 answer
How to unwind (multi-level return) the stack without catch/try/raise?
I would like to unwind the stack to an arbitrary level when catch/try is not available (i.e., the code to which I'm unwinding is out of my control). Is this possible?
For example, in testing, I would like to have my tests call a method that checks…
RoUS
- 1,888
- 2
- 14
- 29
4
votes
4 answers
Comparing two similar hashes in ruby
I'm using ruby 1.8.7 and I need to compare two hashes that I have, which are essentially the attributes of a model. Hash A is smaller than Hash B, and Hash B has all of the attributes of hash A, plus some extra attributes I don't care about. My…
Mysrt
- 3,044
- 2
- 17
- 14
4
votes
2 answers
DBI Row / delegate behavior between ruby 1.8.7 and 2.1
I execute the following code in ruby 1.8.7 to read rows from my database:
require 'dbi'
db_conn_handle = DBI.connect("DBI:Mysql:host=localhost;database=mydb;port=3306", "root")
sth = db_conn_handle.prepare("select accounts.id, accounts.name from…
Rajat
- 1,766
- 2
- 21
- 42
4
votes
6 answers
What's discouraging you from writing ruby 1.9-specific code?
So far, I've been merely using YARV (ruby 1.9) as merely a faster implementation of ruby than ruby 1.8, and ensured that all of my code is backwards-compatible with ruby 1.8.6. What circumstances, if any, are stopping you from writing 1.9-specific…
Andrew Grimm
- 78,473
- 57
- 200
- 338
4
votes
1 answer
How does `?n` differ from `'n'`?
Chris Pine's How to Program mentions that the following:
?T
should return 84. When I run it, it returns "T". My suspicion is that there is a version difference. My guess is that ? is an Array or String method, but I cannot find documentation. What…
notthehoff
- 1,172
- 1
- 12
- 28
4
votes
2 answers
Getting error "Cannot allocate memory" for Rails
In my project there is one script that returns the list of products which I have to display in a table.
To store the input of the script I used IO.popen:
@device_list = []
IO.popen("device list").each do |device|
@device_list <<…
user2622247
- 1,059
- 2
- 15
- 26
4
votes
2 answers
Call Ruby 1.8 script from Ruby 2.0 script
I'm not sure if this belongs here or somewhere else (SuperUser?) but anyway:
I've got two Ruby scripts, one which requires Ruby 2.0 (A) and another which requires 1.8 (B). A needs to call B with a forked processes. A is something like this:
require…
JacobEvelyn
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