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tmux set -g mouse-mode on doesn't work

... So this option has been renamed in version 2.1 (18 October 2015) From the changelog: Mouse-mode has been rewritten. There's now no longer options for: - mouse-resize-pane - mouse-select-pane - mouse-select-window - mode-mouse Instead there is just one option: 'mouse'...
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Advantages of stateless programming?

I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
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MySQL Fire Trigger for both Insert and Update

Is it possible to fire a mysql trigger for both the insert and update events of a table? 3 Answers ...
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How to replace text between quotes in vi

... Use ci", which means: change what inside the double quotes. You can also manipulate other text objects in a similar way, e.g.: ci' - change inside the single quotes ciw - change inside a word ci( - change inside parenth...
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Using Sinatra for larger projects via multiple files

It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
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Create a dictionary with list comprehension

...(key)) for key in keys) In simple cases you don't need a comprehension at all... But if you already have iterable(s) of keys and/or values, just call the dict built-in directly: 1) consumed from any iterable yielding pairs of keys/vals dict(pairs) 2) "zip'ped" from two separate iterables of keys/v...
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Recommended way to save uploaded files in a servlet application

...e server's work folder get synced with last updates (this is in IDE terms called "publishing"). This is the main cause of the problem you're seeing. In real world code there are circumstances where storing uploaded files in the webapp's deploy folder will not work at all. Some servers do (either by...
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How to count objects in PowerShell?

... @Damien OK. I made the edit . In SO people generally come from the first answer to the last. They wont suddenly jump into the third answer and get confused. So that I made it as a continuation of first two answers. That answer makes more sense then this edited one. ...
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How to set environment variables in Python?

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set. ...
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How do I detect a click outside an element?

...instead of the jQuery part. But element.closest() is now also available in all major browsers (the W3C version differs a bit from the jQuery one). Polyfills can be found here: Element.closest() Edit – 2020-05-21 In the case where you want the user to be able to click-and-drag inside the element, t...