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What does Docker add to lxc-tools (the userspace LXC tools)?
...e Docker FAQ:
Docker is not a replacement for lxc. "lxc" refers to capabilities of the linux kernel (specifically namespaces and control groups) which allow sandboxing processes from one another, and controlling their resource allocations.
On top of this low-level foundation of kernel features, Do...
What does immutable mean?
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It means that once you instantiate the object, you can't change its properties. In your first alert you aren't changing foo. You're creating a new string. This is why in your second alert it will show "foo" instead of oo.
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Can we make unsigned byte in Java
... am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
16 Ans...
How do I restart nginx only after the configuration test was successful on Ubuntu?
...he service crashes when a nginx configuration file has errors. On a multi-site server this puts down all the sites, even the ones without configuration errors.
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How do you reset the Zoom in Visual Studio 2010 and above
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There is a select box for this at the bottom left of the editor window - choose 100% ;)
I was unable to find a keyboard shortcut for it, though zooming in and out can be done using Ctrl + > and Ctrl + <.
Please note the horizontal scroll bar must be turned on to see the zoo...
Set element focus in angular way
After looking for examples of how set focus elements with angular, I saw that most of them use some variable to watch for then set focus, and most of them use one different variable for each field they want to set focus. In a form, with a lot of fields, that implies in a lot of different variables.
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How to determine if a record is just created or updated in after_save
The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update?
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How to read a file in Groovy into a string?
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edited Oct 16 '14 at 14:44
answered Oct 11 '11 at 16:28
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Why doesn't list have safe “get” method like dictionary?
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Ultimately it probably doesn't have a safe .get method because a dict is an associative collection (values are associated with names) where it is inefficient to check if a key is present (and return its value) without throwing an except...
How to create dictionary and add key–value pairs dynamically?
...needed to add more key/value pairs
Basically, you're creating an object literal with 2 properties (called key and value) and inserting it (using push()) into the array.
Edit: So almost 5 years later, this answer is getting downvotes because it's not creating an "normal" JS object literal (aka m...