JSFiddle

General

Load draft

`Ctrl` + `↑ Shift` + `⤶ Enter`

All hotkeys for JSFiddle

General Run the code	`Ctrl` + `⤶ Enter`
General Switch between editor windows	`Ctrl` + `↑ ↓`
General Show / hide Framework panel	`Ctrl` + `↑ Shift` + `↑`
General Load draft	`Ctrl` + `↑ Shift` + `⤶ Enter`
General Save fiddle (save or update)	`Ctrl` + `S`

Similar combinations for other applications

Webflow

Rename last class on selected element

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`Ctrl` + `↑ Shift` + `⤶ Enter`

RStudio

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Xyplorer

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`Ctrl` + `↑ Shift` + `⤶ Enter`

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`Ctrl` + `↑ Shift` + `⤶ Enter`

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`Ctrl` + `↑ Shift` + `⤶ Enter`

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`Ctrl` + `↑ Shift` + `⤶ Enter`

JAWS

Jump to prior table

Table layer

`Ctrl` + `↑ Shift` + `⤶ Enter`

Atom (Windows)

editor:newline-above

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`Ctrl` + `↑ Shift` + `⤶ Enter`

PDF-XChange Editor

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Microsoft Word 2016

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Insert special characters

`Ctrl` + `↑ Shift` + `⤶ Enter`

IntelliJ IDEA (Windows, Linux)

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Comodo IceDragon

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Brackets

Open Line Above

General

`Ctrl` + `↑ Shift` + `⤶ Enter`

WordPerfect X8

Hard Page

Formatting

`Ctrl` + `↑ Shift` + `⤶ Enter`

LibreOffice Writer

Column break in multicolumnar texts

General

`Ctrl` + `↑ Shift` + `⤶ Enter`

WriteMonkey

Insert line before

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Maple

Execute entire worksheet

General

`Ctrl` + `↑ Shift` + `⤶ Enter`

Buffer

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Composer

`Ctrl` + `↑ Shift` + `⤶ Enter`

Qt Creator

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Google Sheets

Insert array formula

Use formulas

`Ctrl` + `↑ Shift` + `⤶ Enter`

Sublime Text

Insert line before

Editing

`Ctrl` + `↑ Shift` + `⤶ Enter`

Midnight Commander

Copies full path of selected file in the command line

Shell functions

`Ctrl` + `↑ Shift` + `⤶ Enter`

Delphi

Find all references

General

`Ctrl` + `↑ Shift` + `⤶ Enter`

Visual Studio Code (Linux)

Insert line above

Basic editing

`Ctrl` + `↑ Shift` + `⤶ Enter`

Visual Studio Code (Windows)

Insert line above

Basic editing

`Ctrl` + `↑ Shift` + `⤶ Enter`

Microsoft Visual Studio 2017 (All shortcuts)

Edit.LineOpenBelow

Text Editor

`Ctrl` + `↑ Shift` + `⤶ Enter`

Slack

Create a new snippet

Files and snippets

`Ctrl` + `↑ Shift` + `⤶ Enter`

MusicBee

Queue next

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`Ctrl` + `↑ Shift` + `⤶ Enter`

Firefox Quantum

Complete .org address

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`Ctrl` + `↑ Shift` + `⤶ Enter`

SQL Server Management Studio (SSMS)

Insert a blank line below the cursor

Text manipulation in code editor

`Ctrl` + `↑ Shift` + `⤶ Enter`

Android Studio

Complete statement

Writing code

`Ctrl` + `↑ Shift` + `⤶ Enter`

Mozilla Thunderbird

Send message later

Writing messages

`Ctrl` + `↑ Shift` + `⤶ Enter`

Opera

Open bookmark in background tab

Panel keys: Actions

`Ctrl` + `↑ Shift` + `⤶ Enter`

Scrivener 1.9.9

Open in editor

Documents

`Ctrl` + `↑ Shift` + `⤶ Enter`