Questions tagged [upcase]
21 questions
2
votes
2 answers
upcase in rails
This is very basic but not working. I want to add a callback (after_save) to upcase a field input.
In my model I have:
after_save :upcase_tax_label
def upcase_tax_label
self.tax1_label.upcase!
self.tax2_label.upcase!
end
So when I edit it…

Olivier
- 661
- 2
- 10
- 13
2
votes
2 answers
upcase and downcase for accented characters
I'm a beginner working on a simple Ruby program to generate vocabulary lists from text files. Spanish allows words to carry stress marks on capitalized first letters (e.g. "Ábaco"), but I want all words in my list to be downcased. Right now, if I…

gonzalo2000
- 628
- 1
- 8
- 22
2
votes
1 answer
Weird behavior of #upcase! in Ruby
Consider the following code:
@person = { :email => 'hello@example.com' }
temp = @person.clone
temp[:email].upcase!
p temp[:email] # => HELLO@EXAMPLE.COM
p @person[:email] # => HELLO@EXAMPLE.COM, why?!
# But
temp[:email] = 'blah@example.com'
p…

Andrey Esperanza
- 625
- 1
- 6
- 11
2
votes
2 answers
Proper Case'ing without breaking things like IBM, NASA etc
Does anyone has a PHP solution to this?
The goal is to have a function that take these
HELLO WORLD
hello world
Hello IBM
and return these
Hello World
Hello World
Hello IBM
respectively.

Average Joe
- 4,521
- 9
- 53
- 81
1
vote
3 answers
Using upcase function in SAS programming?
Very new to SAS programming 0.0
I am trying to change the title "Listing of Data Set Health" to all uppercase and what I am doing isn't working. PLS HELP.
proc format;
value $Gender
'M'='Male'
'F'='Female'
other= 'Unknown'; * Handle Missing…

Hillary Oh
- 21
- 2
1
vote
2 answers
Ruby - str.upcase isn't working in a while loop
I've written code to take a string and return the same string back with all the letters changed to the next one and vowels uppercased. However, when I try to run it, the vowels don't seem to uppercase like I expect.
This is my code:
def…

Shaurya Sinha
- 31
- 2
1
vote
1 answer
SAS format procedure, invalue statement ,UPCASE option does not work
I need to create SAS informat that will change all case versions of 'Male' and 'Female' to digits.
I found in the documentation that there is UPCASE options that does the job. "converts all raw data values to uppercase before they are compared to…

John Overiron
- 517
- 1
- 5
- 20
1
vote
2 answers
Why a dangerous method doesn't work with a character element of String in Ruby?
When I apply the upcase! method I get:
a="hello"
a.upcase!
a # Shows "HELLO"
But in this other case:
b="hello"
b[0].upcase!
b[0] # Shows h
b # Shows hello
I don't understand why the upcase! applied to b[0] doesn't have any efect.

Carlos Rojas
- 95
- 2
- 6
1
vote
1 answer
Hartl Rails Tutorial: upcase-ing email address in user_test
I'm about halfway through the Rails tutorial (excellent, btw), and have a little question. Is there a reason that this test uses duplicate_user.email = @user.email.upcase and not the more succinct duplicate_user.email.upcase ?
Here is the full…

JuliaV
- 13
- 2
0
votes
3 answers
is there a function to capitalize an obj accessed with str[i] in Ruby?
print str[i].upcase is not working and i have to capitalize specific letters determined using an index. Can someone help me with this?
def mumble_letters
str = nil
print "Please write a string : "
str = gets.to_str
# puts str.length
…

Ioana C
- 1
- 1
0
votes
1 answer
Re-open String class and add .upcase method in Ruby
Task: In Ruby I have to re-open the String class and add a new functionality my_new_method that calls the upcase method.
"abc".my_new_method
returns
"ABC"
I have tried with this code but the test said wrong number of arguments (0 for 1)
# Re-open…

Maximiliano Pombo
- 11
- 4
0
votes
1 answer
Combining a string with capitalized hex seems to erase the first string
I'm trying to concat a SQL query string and a hex string that should be capitalized. hURL -X -s takes a string or file and coverts it to hex.
cmd = "/root/Desktop/pentest/tools/hURL/hURL -X -s " +
md5_got.chomp.delete("\n").to_s
md5_tohex =…

Dan Miller
- 261
- 2
- 7
0
votes
2 answers
How to have the user input alternate between uppercase and lowercase in Ruby?
I have Ruby ask the user five times to enter a name, and want the answers to be spat out with each line to alternate with uppercase and lowercase. Below is what I have done and it prints out each name twice, one uppercase one lowercase. But I just…

Spidermonkey
- 21
- 1
- 1
0
votes
2 answers
Ruby: Reverse only the first 100 characters of a string
I'm trying to do some string manipulation on a string in Ruby. The goal is to strip, reverse, squeeze and upcase only the first 100 characters without affecting the rest of the string.
Here is the string we will work with. The line numbers are part…

amoeboar
- 355
- 1
- 4
- 22
0
votes
2 answers
.upcase! makes if statement fail to work properly
begin
puts "Enter selection:\n\n"
$main = gets.chomp
if $main.upcase! == "A"
call_function_1
elsif $main.upcase! == "B"
call_function_2
end
end while $main != "~"
With the code as it…

Will Von Wizzlepig
- 73
- 6