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How to get Ruby / Homebrew / RVM to work on Yosemite?
After installing Yosemite, I was unable to run brew or ruby.
11 Answers
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Replace one substring for another string in shell script
...attern/string}:
message='The secret code is 12345'
echo "${message//[0-9]/m>X m>}"
# prints 'The secret code is m>X m>m>X m>m>X m>m>X m>m>X m>'
(This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Em>x m>pansion".)
Note that this feature is not specified by POSIm>X m> — it's a Bash em>x m>tension — so n...
How do I return to an older version of our code in Subversion?
I'm working on a project with a friend and I want to return to an older version of our code and set it to be the current. How do I do it?
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What is the most “pythonic” way to iterate over a list in chunks?
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Nem>x m>t
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How can you list the matches of Vim's search?
...ed string
" how-to jump between the search matches - open the quick fim>x m> window by
" :copen 22
" how-to to close the quick fim>x m> window
" :ccl
" F5 will find the nem>x m>t occurrence after vimgrep
map <F5> :cp!<CR>
" F6 will find the previous occurrence after vimg...
Tab key == 4 spaces and auto-indent after curly braces in Vim
...ead use the following (in your .vimrc):
filetype plugin indent on
" show em>x m>isting tab with 4 spaces width
set tabstop=4
" when indenting with '>', use 4 spaces width
set shiftwidth=4
" On pressing tab, insert 4 spaces
set em>x m>pandtab
In your .vimrc: file:
set smartindent
set tabstop=4
set sh...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...ause it doesn't run the query right away. ActiveRecord on the other hand em>x m>ecutes the query immediately. show_generated_sql will be acting on an already retrieved dataset from find.
– John F. Miller
Aug 28 '09 at 20:55
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How to write a test which em>x m>pects an Error to be thrown in Jasmine?
I'm trying to write a test for the Jasmine Test Framework which em>x m>pects an error. At the moment I'm using a Jasmine Node.js integration from GitHub .
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Postgresql: password authentication failed for user “postgres”
...he postgres OS user account.
Assuming, that you have root access on the bom>x m> you can do:
sudo -u postgres psql
If that fails with a database "postgres" does not em>x m>ists error, then you are most likely not on a Ubuntu or Debian server :-) In this case simply add template1 to the command:
sudo -u p...
What's quicker and better to determine if an array key em>x m>ists in PHP?
Consider these 2 em>x m>amples...
10 Answers
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