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What does the “@” symbol mean in reference to lists in Haskell?
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It is called an "as-pattern"
– adamo
Apr 12 '18 at 11:46
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How to get one value at a time from a generator function in Python?
...tion, and is clearer. It will also work in Python 3.
Both of these end up calling a specially named function, next(), which can be overridden by subclassing. In Python 3, however, this function has been renamed to __next__(), to be consistent with other special functions.
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Conditional import of modules in Python
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To answer the question in your title but not the particular case you provide, it's perfectly correct, tons of packages do this. It's probably better to figure out the OS yourself instead of relying on the user; here's pySerial doing it as an example.
serial/__init__.py
import sys
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How can I change the current URL?
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document.location.href = newUrl;
https://developer.mozilla.org/en-US/docs/Web/API/document.location
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Notepad++: How to automatically set Language as Xml when load files
...Notepad++ (which is an XML file) I want the syntax highlighting to automatically color it like XML. How do I configure Notepad++ to do this so that I don't have to manually select it every time I open a .config file?
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How to create a listbox in HTML without allowing multiple selection?
...ibute did not remove the multiple selection.
The single selection works because you removed the multiple="multiple" attribute.
Adding the size="5" attribute is still a good idea, it means that at least 5 lines must be displayed. See the full reference here
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How to create a tuple with only one element
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Because those first two elements aren't tuples; they're just strings. The parenthesis don't automatically make them tuples. You have to add a comma after the string to indicate to python that it should be a tuple.
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How to copy text to clipboard/pasteboard with Swift
I'm looking for a clean example of how to copy text to iOS clipboard that can then be used/pasted in other apps.
4 Answers
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Take all my changes on the current branch and move them to a new branch in Git
...ut is behind master, git won't let you switch to the other branch. In this case, do this:
git stash
git checkout oldBranch
git merge master
git checkout master
git stash apply
git checkout oldBranch
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Ruby/Rails: converting a Date to a UNIX timestamp
...6 00:00:00 -0800 2009
Note that the intermediate DateTime object is in local time, so the timestamp might be a several hours off from what you expect. If you want to work in UTC time, you can use the DateTime's method "to_utc".
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