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How do I preview emails in Rails?
...ction Mailer now has a built in way of previewing emails in Rails 4.1. For m>ex m>ample, check this out:
# located in test/mailers/previews/notifier_mailer_preview.rb
class NotifierPreview < ActionMailer::Preview
# Accessible from http://localhost:3000/rails/mailers/notifier/welcome
def welcome
...
How to round up a number in Javascript?
... number. Since the number is currency, I want it to round up like in these m>ex m>amples (2 decimal points):
9 Answers
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Heroku push rejected, no Cedar-supported app detected
... missing some key file that it uses to identify your app (and its type).
m>php m>: indm>ex m>.m>php m>
python: requirements.txt
ruby: Gemfile # note the capitalization
node: package.json
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How to m>ex m>ecute a Ruby script in Terminal?
... Homebrew, Git, etc), and I've even written a small program. Now, how do I m>ex m>ecute it in Terminal? I wrote the program in Redcar and saved it as a .rb, but I don't know how to m>ex m>ecute it through Terminal. I want to run the program and see if it actually works. How do I do this?
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What is the difference between substr and substring?
...ence is in the second argument. The second argument to substring is the indm>ex m> to stop at (but not include), but the second argument to substr is the maximum length to return.
Links?
https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/String/substr
https://developer.mozilla.org/en...
How do I skip an iteration of a `foreach` loop?
In Perl I can skip a foreach (or any loop) iteration with a nm>ex m>t; command.
8 Answers
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VIM + JSLint?
...r this. Works great. Conveniently downloadable from vim.org/scripts/script.m>php m>?script_id=2729. Note, on Windows you'll need to install Ruby.
– mm2001
Mar 1 '11 at 19:33
3
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git pull aborted with error filename too long
...e ticket #122
don't come back here and complain that it breaks Windows m>Ex m>plorer,
cmd.m>ex m>e, bash or whatever tools you're using.
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“elseif” syntax in JavaScript
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@JayK: Haha.. m>PHP m> has elseif, perl has elsif (I think), and Python has elif.. that kind of annoyed me at first, but... I guess it's kind of cute. It does serve a slight purpose in Python and m>PHP m> though, because it wouldn't work with their ...
How can I delete multiple lines in vi?
...
Sounds like you're entering the commands in command mode (aka. "m>Ex m> mode"). In that contm>ex m>t :5d would remove line number 5, nothing else. For 5dd to work as intended -- that is, remove five consequent lines starting at the cursor -- enter it in normal mode and don't prefix the commands wit...