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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...: /home/marcin/work/github/project1
from (irb):17
>>
I also really encourage you to try ruby-debug:
http://railscasts.com/episodes/54-debugging-with-ruby-debug
http://www.sitepoint.com/article/debug-rails-app-ruby-debug/
http://www.datanoise.com/articles/2006/7/12/tutorial-on-ruby-deb...
HTML5 textarea placeholder not appearing
...ayed since the input area contains content (a newline character is, technically, valid content).
Good:
<textarea></textarea>
Bad:
<textarea>
</textarea>
Update (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF)...
.gitignore is ignored by Git
... edited Feb 21 at 3:16
Abel Callejo
9,05577 gold badges4444 silver badges6262 bronze badges
answered Jul 12 '12 at 12:20
...
Is there an interactive way to learn Vim? [closed]
Years ago I was looking for a way to learn Vim that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose.
...
How to restore the permissions of files and directories within git if they have been modified?
I have a git checkout. All the file permissions are different than what git thinks they should be therefore they all show up as modified.
...
MySQL Query to select data from last week?
...ave a table with a date field and some other information.
I want to select all entries from the past week, (week start from Sunday).
...
File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...on. It removes the error, but you only get build for the current arch, not all on the market...
– esbenr
Mar 21 '13 at 9:57
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How do I replace text inside a div element?
I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available.
...
What does ~~ (“double tilde”) do in Javascript?
...he value to a string or a boolean), then inverts the lowest 31 bits. Officially ECMAScript numbers are all floating-point, but some numbers are implemented as 31-bit integers in the SpiderMonkey engine.
You can use it to turn a 1-element array into an integer. Floating-points are converted accordin...
What Ruby IDE do you prefer? [closed]
... Aptana seems to be the best IDE for Ruby, but I hate how it changes all my key mappings for the various editors (e.g., they remap <ctrl>-1 in the Java editor), and I hate how it writes databases in whatever directory I happen to be in when I start the IDE. Yuck. They're obviously not ...