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Rails 4 multiple image or file upload using carrierwave
...k at CarrierWave's documentation, this is actually very easy now.
https://github.com/carrierwaveuploader/carrierwave/blob/master/README.md#multiple-file-uploads
I will use Product as the model I want to add the pictures, as an example.
Get the master branch Carrierwave and add it to your Gemfile...
How to list the properties of a JavaScript object?
...Object.getOwnPropertyNames (see its support in my compat. table — kangax.github.com/es5-compat-table)
– kangax
Oct 27 '10 at 2:43
2
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My docker container has no internet
...e docker to recreate the bridge and reinit all the network rules
https://github.com/dotcloud/docker/issues/866#issuecomment-19218300
Seems the interface was 'hanged' somehow.
Update for more recent versions of docker:
The above answer might still get the job done for you but it has been quite a...
How do I check CPU and Memory Usage in Java?
...
@sbeliakov You can use JavaSysmon (github.com/jezhumble/javasysmon ) , although i recommend you open a new question and i will answer it . The library on GitHub has a bug and recognizes 32 bit as 64 bit , but i found a work around mixing different jars [ gith...
express 4.0 , express-session with odd warning message
...
I found issue useful:
https://github.com/expressjs/session/issues/56
app.use(session({
secret: cookie_secret,
resave: true,
saveUninitialized: true
}));
share
...
Retaining file permissions with Git
...e was that I would then be able to push web content from our dev server to github, pull it to our production server, and spend the rest of the day at the pool.
...
Matplotlib tight_layout() doesn't take into account figure suptitle
...not take fig.suptitle() into account. There is an open issue about this on GitHub: https://github.com/matplotlib/matplotlib/issues/829 [closed in 2014 due to requiring a full geometry manager - shifted to https://github.com/matplotlib/matplotlib/issues/1109 ].
If you read the thread, there is a sol...
Will docker container auto sync time with the host machine?
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If you are on OSX running boot2docker, see this issue: https://github.com/boot2docker/boot2docker/issues/290
Time synch becomes an issue because the boot2docker host has its time drift while your OS is asleep. Time synch with your docker container cannot be resolved by running your cont...
node.js hash string?
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Was getting some issues using .update multiple times (github.com/joyent/node/issues/749) when trying to use timbooo's solution, using the one-liner fixed it (because the hash object is recreated every time).
– Max
Jul 4 '13 at 7:34
...
Force LF eol in git repo and working copy
I have a git repository hosted on github. Many of the files were initially developed on Windows, and I wasn't too careful about line endings. When I performed the initial commit, I also didn't have any git configuration in place to enforce correct line endings. The upshot is that I have a number of ...