28 lines
2.3 KiB
Plaintext
28 lines
2.3 KiB
Plaintext
## List of Julia Cheetsheets
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[Matlab-Julia-Python](https://cheatsheets.quantecon.org/)
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[Julia Basic Commands (pdf)](https://images.datacamp.com/image/upload/v1667400319/Marketing/Blog/Julia_Cheat_Sheet.pdf)
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## "meta"-tools
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| | Julia | Python | R |
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|--------------------|------------------|------------------|------------------|
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| Documentation | `?obj` | `help(obj)` | `?obj` , `help(obj)` |
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| Object content | `dump(obj)` | `print(repr(obj))` | `str(obj)` |
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| Exported functions | `names(FooModule)` | `dir(foo_module)` | `ls("package:foo_module")` |
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| List function signatures with that name | `methods(myFun)` | | `methods(myFun)` |
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| List functions for specific type | `methodswith(SomeType)` | `dir(SomeType)` | `methods(SomeType)` |
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| Where is ...? | `@which func` | `func.__module__` | |
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| What is ...? | `typeof(obj)` | `type(obj)` | `class(obj)` |
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| Is it really a ...? | `isa(obj, SomeType)` | `isinstance(obj, SomeType)` | `is(obj, SomeType)` |
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## debugging {#debugging}
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|------------------------------------|------------------------------------|
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| `@run sum(5+1)` | run debugger, stop at error/breakpoints |
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| `@enter sum(5+1)` | enter debugger, dont start code yet |
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| `@show variable` | prints: variable = variablecontent |
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| `@debug variable` | prints only to debugger, very convient in combination with `>ENV["JULIA_DEBUG"] = ToBeDebuggedModule` (could be `Main` as well) |
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