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How to tell which version of a gem a rails app is using
...ns? Do I have rails version 2 or not? Maybe I have rails version 2 and a more advanced bundler? Is this good/bad? (Yes, I know it's bad to have such an old version of rails, I want to know if it's catastrophic to have such a mismatched (if it is) rails and bundler).
– Brend...
How to add one day to a date? [duplicate]
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passport.js RESTful auth
...ns are asked in the context of Node and passport.js the real questions are more about workflow than how to do this with a particular technology.
Let's use @Keith example setup, modified a bit for added security:
Web server at https://example.com serves a single page Javascript client app
RESTful ...
Creating a system overlay window (always on top)
...LERT_WINDOW" /> Sarwar Erfan i think you edit your answer,it can become more wonderful
– pengwang
Dec 28 '10 at 13:23
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How do I move an existing Git submodule within a Git repository?
...worktree = ../../../../../new/parent/module. Typically there should be two more .. than directories in the direct path in that place.
Edit the file new/parent/module/.git, make sure that the path in it points to the correct new location inside the main project .git folder, so in this example gitdir:...
Haskell: Lists, Arrays, Vectors, Sequences
...mutable arrays for the ST monad, and un-boxed versions of the above. For more check out the haskell wiki
Vector is a "better" Array
The Data.Vector package provides all of the array goodness, in a higher level and cleaner API. Unless you really know what you are doing, you should use these if yo...
namedtuple and default values for optional keyword arguments
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Where can I find the error logs of nginx, using FastCGI and Django?
...iles to be found, issue the same command using sudo.
You can read a little more here.
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Find region from within an EC2 instance
...9.254/latest/dynamic/instance-identity/document) doesn't appear to work anymore. I get a 404 when I tried to use it. I have the following code which seems to work though:
EC2_AVAIL_ZONE=`curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone`
EC2_REGION="`echo \"$EC2_AVAIL_ZONE...