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Specifying rails version to use when creating a new application
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This is RubyGems functionality, not Rails functionality; it's therefore not dependent on Rails version, and will work for other gems. (Thanks, this is a great answer!)
– Calrion
Sep 3 '11 at 1:02
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Error pushing to GitHub - insufficient permission for adding an object to repository database
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This will allow any new files created by another user to maintain the group permissions of the root directory. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid
– syvex
Jul 7 '11 at 17:05
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What is digest authentication?
...rname, realm, generate_md5_key(nonce, username, realm, URI, password_given_by_user_to_browser)) (yea, that's very simplified)
The server takes username and realm (plus it knows the URI the client is requesting) and it looks up the password for that username. Then it goes and does its own version of ...
What is difference between sjlj vs dwarf vs seh?
... win32, the chain
of handlers are on stack and need to be saved/restored by real
executed code.
GCC GNU about Exception Handling:
GCC supports two methods for exception handling (EH):
DWARF-2 (DW2) EH, which requires the use of DWARF-2 (or DWARF-3) debugging information. DW-2 EH ca...
Underscore prefix for property and method names in JavaScript
...ships with this support.
_ prefixed variable names are considered private by convention but are still public.
This syntax tries to be both terse and intuitive, although it's rather different from other programming languages.
Why was the sigil # chosen, among all the Unicode code points?
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PHP Composer update “cannot allocate memory” error (using Laravel 4)
...ount=1024
/sbin/mkswap /var/swap.1
/sbin/swapon /var/swap.1
as mentioned by @BlackBurn027 on comments below, this solution was described in here
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How to add a custom loglevel to Python's logging facility
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@Eric S.
Eric S.'s answer is excellent, but I learned by experimentation that this will always cause messages logged at the new debug level to be printed -- regardless of what the log level is set to. So if you make a new level number of 9, if you call setLevel(50), the lower le...
How to ignore files which are in repository?
...hp
If you just want to ignore it locally, you could also make it ignored by the git status:
git update-index --assume-unchanged config.php
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How to extract public key using OpenSSL?
... can see what's inside the public key file (generated as explained above), by doing this:-
openssl rsa -noout -text -inform PEM -in key.pub -pubin
or for the private key file, this:-
openssl rsa -noout -text -in key.private
which outputs as text on the console the actual components of the key ...
What does the smiley face “:)” mean in CSS?
... this page in the latest version of IE you have. Then go to developer mode by doing a F12. In Emulation section (ctrl+8) change document mode to 7 and see what happens.
The property used in the page is :)font-size: 50px;.
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