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How to send a command to all panes in tmux?

I like to call :clear-history on panes with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows. ...
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URL encoding the space character: + or %20?

...he server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline normalization and replacing spaces with "+" instead of "...
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Multiple variables in a 'with' statement?

...textlib.nested, this guarantees that a and b will have their __exit__()'s called even if C() or it's __enter__() method raises an exception. You can also use earlier variables in later definitions (h/t Ahmad below): with A() as a, B(a) as b, C(a, b) as c: doSomething(a, c) ...
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Most Pythonic way to provide global configuration variables in config.py? [closed]

...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules? – Jinx ...
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How to call a parent method from child class in javascript?

...Here's how its done: ParentClass.prototype.myMethod(); Or if you want to call it in the context of the current instance, you can do: ParentClass.prototype.myMethod.call(this) Same goes for calling a parent method from child class with arguments: ParentClass.prototype.myMethod.call(this, arg1, arg2...
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

... No, the limits are imposed on the domain. So you could technically get FF up to 12 connections if you had a subdomain in addition to your site. – Bob Feb 18 '09 at 13:39 ...
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What's a good way to extend Error in JavaScript?

...nvironments set the stack property, but fileName and lineNumber are practically useless to be used in inheritance. So, the minimalistic approach is: function MyError(message) { this.name = 'MyError'; this.message = message; this.stack = (new Error()).stack; } MyError.prototype = new Er...
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Include all existing fields and add new fields to document

...t aggregation stage where I can instruct it to add a new field and include all existing fields, without having to list all the existing fields. ...
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URL rewriting with PHP

... You can essentially do this 2 ways: The .htaccess route with mod_rewrite Add a file called .htaccess in your root folder, and add something like this: RewriteEngine on RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1 Thi...
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Why do some functions have underscores “__” before and after the function name?

...rms using leading or trailing underscores are recognized (these can generally be combined with any case convention): _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore. single_trailing_underscore_: ...