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Collection that allows only unique items in .NET?
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HashSet<T> is what you're looking for. From MSDN (emphasis added):
The HashSet<T> class provides high-performance set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order.
Note t...
How to destroy a DOM element with jQuery?
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Is $target.remove(); what you're looking for?
https://api.jquery.com/remove/
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How to get Linux console window width in Python
... from it, and uses a simple string split to separate the coordinates.
Unlike the os.environ["COLUMNS"] value (which I can't access in spite of using bash as my standard shell) the data will also be up-to-date whereas I believe the os.environ["COLUMNS"] value would only be valid for the time of the ...
recursively add file extension to all files
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Stephan202Stephan202
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What is a regular expression which will match a valid domain name without a subdomain?
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Well, it's pretty straightforward a little sneakier than it looks (see comments), given your specific requirements:
/^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/
But note this will reject a lot of valid domains.
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How do I correctly clean up a Python object?
... "global variables" (member data in this context?) when __del__() is invoked. If that is the case and this is the reason for the exception, how do I make sure the object destructs properly?
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CSS to set A4 paper size
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I looked into this a bit more and the actual problem seems to be with assigning initial to page width under the print media rule. It seems like in Chrome width: initial on the .page element results in scaling of the page content i...
Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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Why can't stash be applied to the working directory?
I cannot apply stash back to the working directory.
11 Answers
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“Could not find bundler” error
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Make sure you're entering "bundle" update, if you have the bundler gem installed.
bundle update
If you don't have bundler installed, do gem install bundler.
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