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How to add an Access-Control-Allow-Origin header
...der "X-Auth-User: your-cloud-username" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" returned-x-storage-url/name-of-your-con...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...nny, ~> 1.4.4 is equivalent to >= 1.4.4 and < 1.5. See bundler.io/v1.5/gemfile.html . For an exact version, just use gem 'foo', '1.4.4'.
– Matthew Flaschen
Mar 6 '14 at 4:15
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What is the difference between an annotated and unannotated tag?
...com> 1411478848 +0200
msg
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
<YOUR PGP SIGNATURE>
-----END PGP SIGNAT
And this is how it contains extra metadata. As we can see from the output, the metadata fields are:
the object it points to
the type of object it points ...
mongoDB/mongoose: unique if not null
...
As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing multiple docs without the field by setting the sparse option to true when defining the index. As in:
email : {type: String, trim: true, index: tr...
Why should the Gradle Wrapper be committed to VCS?
... after it has been released, which version of Gradle was used to build the v1.0 version of your software, that you have to hotfix for a customer which is still using this 1.0 version and can't upgrade. The gradle wrapper solves that: you clone the 1.0 tag from the VCS, build it using gradlew, and it...
Git: How to edit/reword a merge commit's message?
... annotated tag always opens the editor during an interactive edit session. v1.7.10 series introduced an environment variable GIT_MERGE_AUTOEDIT to help older scripts decline this behaviour, but the maintenance track should also support it.
It also introduces an environment variable GIT_MERGE_AUTOE...
Socket.io rooms difference between broadcast.to and sockets.in
...ge. The client sends it won't receive the message.
Check out source code (v1.0.6):
https://github.com/Automattic/socket.io/blob/a40068b5f328fe50a2cd1e54c681be792d89a595/lib/socket.js#L173
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Using GPU from a docker container?
...gin
wget -P /tmp https://github.com/NVIDIA/nvidia-docker/releases/download/v1.0.1/nvidia-docker_1.0.1-1_amd64.deb
sudo dpkg -i /tmp/nvidia-docker*.deb && rm /tmp/nvidia-docker*.deb
# Test nvidia-smi
nvidia-docker run --rm nvidia/cuda nvidia-smi
For more details see:
GPU-Enabled Docker Con...
Python function overloading
...0000000.0
my_character = Character(pretty_and_fast_factory(), a1, a2, kw1=v1, kw2=v2)
my_character.add_bullet() # uses pretty_and_fast_factory
# now, if you have another factory called "ugly_and_slow_factory"
# you can change it at runtime in python by issuing
my_character.bfactory = ugly_and_slo...
What is git actually doing when it says it is “resolving deltas”?
...sn't alter how Git "sees" the world. (kernel.org/pub/software/scm/git/docs/v1.6.2.3/technical/…) Please see araqnid's answer below for an accurate response.
– nexus
Jan 15 '13 at 5:56
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