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What is the difference between a Docker image and a container?
... a container. You have an image, which is a set of layers as you describe. If you start this image, you have a running container of this image. You can have many running containers of the same image.
You can see all your images with docker images whereas you can see your running containers with doc...
Getting the difference between two sets
So if I have two sets:
7 Answers
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Which characters need to be escaped in HTML?
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If you're inserting text content in your document in a location where text content is expected1, you typically only need to escape the same characters as you would in XML. Inside of an element, this just includes the entity e...
Split a string on whitespace in Go?
...e space characters, returning an array of substrings of s or an empty list if s contains only white space.
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Alternate background colors for list items
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If you want to do this purely in CSS then you'd have a class that you'd assign to each alternate list item. E.g.
<ul>
<li class="alternate"><a href="link">Link 1</a></li>
<li><...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...ust first code sign the binary. This signature depends on a particular certificate, which the user must create and register with the system.
To create a code signing certificate, open the Keychain Access application. Choose menu Keychain Access -> Certificate Assistant -> Create a Certificate...
What is the canonical way to determine commandline vs. http execution of a PHP script?
I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
How can I add the sqlite3 module to Python?
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if your python3 is built from source manually , and meet this error, you should install sqlite-devel package first, then rebuild python3.
– ngn999
Mar 28 '16 at 1:28
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How to disable text selection using jQuery?
... So either answer the question, or provide an actual counter point and specify what you're talking about negating, don't just scratch the idea out in a general manner.
– dudewad
Nov 3 '13 at 20:21
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Unix command to prepend text to a file
...o be prepended;' inFile
-i writes the change in place and take a backup if any extension is given. (In this case, .old)
1s;^;to be prepended; substitutes the beginning of the first line by the given replacement string, using ; as a command delimiter.
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