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How to port data-only volumes from one host to another?
As described in the Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not.
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Differences between Microsoft .NET 4.0 full Framework and Client Profile
The Microsoft .NET Framework 4.0 full installer (32- and 64-bit) is 48.1 MB and the Client Profile installer is 41.0 MB. The extracted installation files are 237 MB and 194 MB respectively, and once installed, they are 537 MB and 427 MB.
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Integer division: How do you produce a double?
For this code block:
11 Answers
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Remove blank attributes from an Object in Javascript
How do I remove all attributes which are undefined or null in a JavaScript object?
37 Answers
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Regex how to match an optional character
I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not.
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What does f+++++++++ mean in rsync logs?
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Let's take a look at how rsync works and better understand the cryptic result lines:
1 - A huge advantage of rsync is that after an interruption the next time it continues smoothly.
The next rsync invocation will not transfer the files again, that it had ...
What is the default form HTTP method?
When an HTML form is submitted without specifying a method, what is the default HTTP method used? GET or POST?
5 Answers
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xcodebuild says does not contain scheme
...heme file -- I had this problem appear while setting up my own projects!
For posterity, or at least anyone getting here from a search, here are two versions of things -- the "I'm busy, so just the facts please" version and a more involved discussion and rationale. Both of these versions assume you...
Rails: where does the infamous “current_user” come from?
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It is defined by several gems, e.g. Devise
You'll need to store the user_id somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
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How do you add CSS with Javascript?
How do you add CSS rules (eg strong { color: red } ) by use of Javascript?
14 Answers
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