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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
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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).
...
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.
...
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 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.
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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.
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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 ...