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Traversing text in Insert mode

...n, fix it, go back and keep editing. It is effective because Vim has much more movements than usual character forward/backward/up/down. After you learn more of them, this will happen to be more productive. Here's a couple of use-cases: You accidentally typed "accifentally". No problem, the seq...
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Remove all the elements that occur in one list from another

...ion itself is quite efficient (although a generator comprehension might be more efficient by not duplicating elements in memory), but the in operator isn't that efficient on a list. in on a list is O(n), whereas in on a set is O(1). However, until you get to thousands of elements or more, you're u...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...ranch prediction table isn't very large, so one table entry might refer to more than one branch. This can render some predictions useless. The problem is easily fixed if one of the conflicting branches moves to another part of the table. Almost any little change can make this happen :-) ...
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How do I find the location of my Python site-packages directory?

...) directories are listed in sys.path when you run: python -m site For a more concise list run getsitepackages from the site module in Python code: python -c 'import site; print(site.getsitepackages())' Note: With virtualenvs getsitepackages is not available, sys.path from above will list the v...
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Is there a VB.NET equivalent for C#'s '??' operator?

...at's if you use it with 3 arguments. If you use it with 2 arguments, it is more that ?? (see another answer to this question: stackoverflow.com/a/20686360/1474939) – Brian J Dec 21 '16 at 14:10 ...
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contenteditable change events

...te events too. Also, the user can drop text or other content, so there are more events there (mouseup, for example). You may want to poll the element's contents as a fallback. UPDATE 29 October 2014 The HTML5 input event is the answer in the long term. At the time of writing, it is supported for c...
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Is JavaScript an untyped language?

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How to flip windows in vim? [duplicate]

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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

...o core data with some obvious modifications. This provides an overall much more robust and reliable sync strategy, but requires more effort to be implemented correctly. EDIT: It seems that the Grover's pdf file is no longer available (broken link, March 2015). UPDATE: the link is available through...
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How to get the current branch name in Git?

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