Perfect? clojure environment
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The document provides a comprehensive guide for setting up and using Emacs with Clojure, detailing installation steps and configuration settings. It includes keyboard shortcuts, package management using Leiningen, and suggestions for helpful resources and additional tools. The presentation is aimed at enhancing the coding experience for Clojure developers utilizing Emacs.
Perfect? clojure environment
- 1. ( P e rfe c t? E n v ir o n m e nt) C – means control key, M – means meta key
- 2. ClojureMadeSimple.co.uk Information covered in this presentation is also detailed on my website C – means control key, M – means meta key
- 3. slideshare.net/jr0cket This slide deck is available to follow along with on slideshare.net C – means control key, M – means meta key
- 4. Something simple to start with C – means control key, M – means meta key
- 5. C – means control key, M – means meta key
- 6. A taste of things to come C – means control key, M – means meta key
- 7. C – means control key, M – means meta key
- 8. Get Emacs (sorry vi people) C – means control key, M – means meta key
- 9. Download & Install Emacs Linux sudo apt-add-repository ppa:cassou/emacs sudo apt-get update sudo apt-get install emacs-snapshot Mac Windows EmacsForMacOSX.com Use Cygwin? C – means control key, M – means meta key
- 10. In the meantime: Usual Suspects Netbeans IntelliJ Eclipse C – means control key, M – means meta key
- 11. Configure emacs … you will have an .el of a time C – means control key, M – means meta key
- 12. Configs live in ~/.emacs.d folder ~/.emacs.d folder created when Emacs first run ~/.emacs.d/init.el main configuration file for Emacs You can define multiple .el config files as long as they are on the Emacs load path. init.el is the read first. C – means control key, M – means meta key
- 13. Give Emacs a Clojure injection … lots of starter-kits, only one for Clojure C – means control key, M – means meta key
- 14. Automatic Clojure install … get your Clojure fix quickly C – means control key, M – means meta key
- 15. Add the package repository ;; Add Marmalade package archive for Emacs starter kit ;; and tonnes of other packages to your .emacs.d/init.el (require 'package) (add-to-list 'package-archives '("marmalade" . "http://marmalade- repo.org/packages/")) C – means control key, M – means meta key
- 16. Specify package to load (when (not package-archive-contents) (package-refresh-contents)) (defvar my-packages '(starter-kit starter-kit-lisp starter-kit- eshell starter-kit- bindings clojure-mode clojure-test-mode M – means meta key C – means control key,
- 17. Didn't get all that typed?? Clone my Emacs Clojure Kickstart repository on github.com/jr0cket git clone https://jr0cket@github.com/ jr0cket/Emacs-clojure- kickstart.git ~/.emacs.d The git clone command should all be on one line, but would not be as readable on the slide C – means control key, M – means meta key
- 18. Re-start Emacs … watch clojure and other goodies be automatically downloaded and added. C – means control key, M – means meta key
- 19. In the meantime, Clooj Clojure IDE in Clojure github.com/arthuredelstein/clooj C – means control key, M – means meta key
- 20. github.com/arthuredelstein/clooj C – means control key, M – means meta key
- 21. Back to Emacs … keyboard on stun !! C – means control key, M – means meta key
- 22. Editing text... ...should be easy, right? C – means control key, M – means meta key
- 23. Using a mouse is bad for your health C – means control key, M – means meta key
- 24. C – means control key, M – means meta key
- 25. Moving along a line C – a Go to start of a line C – e Go to end of a line C – means control key, M – means meta key
- 26. Searching for something... C – s Search forward C – r Search backwards C – means control key, M – means meta key
- 27. Select / Copy / Paste C – @ Or to select, use the mouse, Luke C – means control key, M – means meta key
- 28. Select / Copy / Paste C – k cut line C – w cut selected C – means control key, M – means meta key
- 29. Select / Copy / Paste C – y Yank that text into your code C – means control key, M – means meta key
- 30. Undo / Redo C - _ Go back change by change C – means control key, M – means meta key
- 31. Undo / Redo C - ??? Go forward change by change C – means control key, M – means meta key
- 32. Some core keyboard commands C – means control key, M – means meta key
- 33. C – g Hit as many times as necessary to cancel a keyboard command C – means control key, M – means meta key
- 34. Getting help with keyboard commands C – means control key, M – means meta key
- 35. Just the bindings, ma'am C – h b List all the current keyboard bindings configured in Emacs C – means control key, M – means meta key
- 36. Just the modes, ma'am C – h m Modes can be either major or minor and many can be used together. C – means control key, M – means meta key
- 37. Function keys Help F1 – b F1 – m F1 function key is the same as help C - h C – means control key, M – means meta key
- 38. Funky stuff C – means control key, M – means meta key
- 39. Transpose characters C – t Swap the current character with the previous one - good for erratic typing C – means control key, M – means meta key
- 40. Coding Demo? – Super-size it! C – + C – - Make your text big for the people at the back of the room C – means control key, M – means meta key
- 41. Clojure project management C – means control key, M – means meta key
- 42. Leiningen … more fun than maven C – means control key, M – means meta key
- 43. le in in g e n Leiningen .o rg lein new Create a new clojure project lein deps Download all dependencies lein repl Start the interactive shell (repl) lein jack-in Start repl server C – means control key, M – means meta key
- 44. Create a new project lein new my-project cd my-project lein deps C – means control key, M – means meta key
- 45. Open project in emacs cd my-project emacs project.clj C – means control key, M – means meta key
- 46. Default project definition C – means control key, M – means meta key
- 47. Add a REPL server C – means control key, M – means meta key
- 48. Dev Dependencies Add libraries only needed for development Not packaged when deployed C – means control key, M – means meta key
- 49. C – means control key, M – means meta key
- 50. Clojure project management in Emacs C – means control key, M – means meta key
- 51. Find file in project C – c f Select one of the files available in the current Clojure project - the file doesnt have to be open in Emacs C – means control key, M – means meta key
- 52. Fire up the REPL M – x clojure- jack-in C – means control key, M – means meta key
- 53. Define your own Global short-cut Open your .emacs.d/init.el file and add: (global-set-key (kbd "C-c C-j") 'clojure-jack- in) In Emacs, start the REPL with C – c C – j C – means control key, M – means meta key
- 54. More Cool short-cuts later … but its easy, right! C – means control key, M – means meta key
- 55. Navigating functions (s-expressions) C – means control key, M – means meta key
- 56. Jump around in functions C – M – f C – M – b C – M – u C – means control key, M – means meta key
- 57. Jump between function definitions C – M – Home C – M – End Skip through your code function by function C – means control key, M – means meta key
- 58. Jump between function definitions C – M – a C – M – e Jump to the start or end of a function definintion C – means control key, M – means meta key
- 59. Keep balanced, use ParEdit C – means control key, M – means meta key
- 60. ParEdit matches ( [ { ' ” Prevents unbalanced parents and quotes Example Cant delete either parens that surround characters (fubar) without first deleting all the characters Pull code into brackets Reorganise code around brackets C – means control key, M – means meta key
- 61. Pull code in M – ) Pull the next block of code inside C – means control key, M – means meta key
- 62. Push code in M – ( Push the next block of code outside ?????? C – means control key, M – means meta key
- 63. Clojure related commands C-c TAB: Autocomplete symbol at point C-x C-e: Eval the form under the point C-c C-k: Compile the current buffer C-c C-l: Load current buffer and force dependent namespaces to reload M-.: Jump to the definition of a var C-c S-i: Inspect a value C-c C-m: Macroexpand the call under the point C – means control key, M – means meta key
- 64. Auto-complete C – means control key, M – means meta key
- 65. The easy way Clone Sam Aarons Live Coding repository github.com/overtone/emacs-live C – means control key, M – means meta key
- 66. The manual way Add the auto-complete package dependencies to ~/.emacs.d/init.el popup Download the Git repository https://github.com/m2ym/auto-complete M – x load-file autocomplete/etc/install.el C – means control key, M – means meta key
- 67. Other cool stuff to help you discover Clojure C – means control key, M – means meta key
- 68. ClojureAtlas.com C – means control key, M – means meta key
- 69. Light Table (On Kickstarter) C – means control key, M – means meta key
- 70. Th a n k yo u London Cl oj ur i ans @ r 0c ket j Cl oj ur eMadeSi m e. c o pl . uk C – means control key, M – means meta key