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Add to SafariWhen comparing CodeRunner vs Leo Editor, the Slant community recommends CodeRunner for most people. In the question“What are the best Python IDEs or editors?” CodeRunner is ranked 26th while Leo Editor is ranked 39th. The most important reason people chose CodeRunner is:
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Specs
Question Ranking
Pros
Pro Fast and efficient
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Pro Supports many different languages
Code Runner comes preinstalled with over 20 languages built in, and it's super easy to run simple programs.
Pro Outlines - better than folding
With outlines functions and classes can be arranged and grouped with their logical neighbours, even nested. Whole branch hierarchies can be expanded and collapsed in a single key stroke, or moved from this spot to that, as best fits the thinking or troubleshooting of the day. Outline trees make navigation across broadly different areas an effortless exercise. See your whole project in a single view, across any number of external files and modules.
Pro Internal command line
All Leo editor commands are available in a command bar, called a "mini-buffer", that feature tab-completion and command history. For example "Find all nodes containing phrase '...', clone them, and paste in a new tree" is a simple alt-x, clone-find-flattened (or cff) away. As is toggle-split-direction, expand/contract-log-pane and execute-script.
Pro Clones - when two or three or ... are better than one
Leo's unique concept of 'clones' means you can re-arrange sections of an external file to suit your way of thinking or tacking a specific issue without changing the organization of the source. This makes it a great tool for studying code from others, and perhaps contributing back to them without changing your or their preferred arrangement methods.
Cons
Con Working with very very large projects
Code runner is fantastic for shorter projects, although it can handle very large projects. It stops code completion when the program gets to be several thousands of lines long.
Con A different way of thinking means learning
There's no other code and text editor quite like Leo, so expect to put in some time learning. It can take some trying this and that before the "Aha!"s start to roll in. It's experiential.
