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EMACS

install packages

M-x package-install
clojure-mode

other (list packages, add/upgrade/delete them)

M-x package-list-packages
  • mark upgrades: U
  • execute: x

rgrep (plus forward, backward navigation of results)

M-x rgrep
P
N

emacs C-O all grep occurences

M-: eval
M-! shell command
M-! shell command "tree"*

kill ring

browse (need to install module)

M-x

cycle through

M-y

empty

M-: (setq kill-ring nil)

vc-mode

http://emacswiki.org/emacs/VersionControl

status

C-x v d

diff

C-x v D

annotate (blame)

C-x v g

clojure-mode

M-x slime-connect
C-c C-k load/compile
C-c M-p repl at namespace
C-x C-e eval expr
C-c v eval buffer
M-. func src
M-* or C-x b ???

in repl use

(in-ns 'somenamespace)

hippie complete

M-/

paredit cheat sheet tw There should be a Clojure Lint called Clint emacs color-theme debugging (thanks Ryan) http://blog.dskang.com/2011/05/14/fixing-the-color-theme-problem-with-the-emacs-starter-kit/

Emacs 24, building from source

with graphics

(clone from github, cd into directory, then)

sudo apt-get install autoconf automake
./autogen.sh
sudo apt-get install texinfo libgtk3-dev libgif-dev libjpeg-dev
libtiff-dev libxpm-dev libtinfo-dev
./configure --with-x-toolkit=gtk
make
src/emacs -Q    <-- test
sudo make install

test

src/emacs -Q

and finally...

sudo make install

terminal only (amazon aws microinstance)

sudo apt-get install texinfo libtinfo-dev ncurses-dev
./configure --without-x

query-replace

M-%

then search string, replace string, then

Spacebar - replace and find next occurrence
Del      - skip and find next occurrence
.        - replace then stop 
!        - replace all
^        - return cursor to previously replaced

global search and replace

http://emacswiki.org/emacs/DiredSearchAndReplace

C-u M-x
Dired listing switches: -lR

https://www.gnu.org/software/emacs/manual/html_node/emacs/Subdirectories-in-Dired.html

i (dired-maybe-insert-subdir) within dired buffer. C-u i (prefix arg) to edit flags to ls. C-u C-space to jump back to mark.

in dired mode, mark directories:

* /

then toggle marks to mark only files

t

(or, mark files according to regexp % m) then do search replace regexp

Q

accept all

Y

In IBuffer (C-x C-b), mark all unsaved

* u

then save all marked

S

regexp search and replace

"Query" with "Transform" (also works in above dired steps)

M-x replace-regexp
\([^a-zA-Z0-9]+\)Query+
Ret
\1Transform
Ret

Terminal colors

emacs color theme solarized - github.com/sellout/emacs-color-theme-solarized

C-h v
solarized-termcolors
solarized-degrade
window-system

see solarized-definitions.el

defun solarized-color-definitions

in shell:

echo $TERM

gnome-terminal profiles

~/.gconf/apps/gnome-terminal/profiles/Solarized/

terminfo

/usr/share/terminfo/
/lib/terminfo/

emacs terminal source code

~/sandbox/emacs/lisp/term/

emacs color cells

(display-color-cells (selected-frame))

or

(tty-display-color-cells (selected-frame))
C-x C-e eval in scratch buffer

colors

M-x list-colors-display

terminfo? ncurses? tput

Misc

eshell
ansi-term

Replace tabs w/ spaces

M-x query-replace
C-q, tab, then spaces
! to accept all

Replace string w/ newline

M-x replace-str
foo
C-q C-j

C-q is quoted insert, C-j is newline

keyboard macro

start

M-x kmacro-start-macro
C-x (

end

M-x kmacro-end-macro
C-x )

call

M-x kmacro-call-macro
C-x e
<f4>

variables

see variable value

C-h v

set variable value

M-x set-variable

Clojure

1st change inferior-lisp-program variable (M-x set-variable) to

"java -cp /home/scott/clojure/test:/home/scott/clojure/target/clojure-1.7.0-master-SNAPSHOT.jar:/home/scott/clojure/target/test-classes/:/home/scott/clojure/target/classes/:/home/scott/.m2/repository/org/clojure/test.generative/0.4.0/test.generative-0.4.0.jar:/home/scott/.m2/repository/org/clojure/tools.namespace/0.1.1/tools.namespace-0.1.1.jar:/home/scott/.m2/repository/org/clojure/java.classpath/0.1.1/java.classpath-0.1.1.jar:/home/scott/.m2/repository/org/clojure/data.generators/0.1.2/data.generators-0.1.2.jar clojure.main"

then

M-x run-lisp

load file (C-c C-l) test_helper.clj, compilation.clj

then at prompt

(require 'clojure.test.generative)
(ns clojure.test-clojure.compilation)
(run-tests)
(CLJ-1400)

remember

mvn exec:java -Dexec.classpathScope="test" -Dexec.mainClass="clojure.main"
mvn dependency:build-classpath
(println (seq (.getURLs (.getParent (.getContextClassLoader (Thread/currentThread))))))
(use ['clojure.repl :only ['doc]])

lines, wrapping, numbering and columns

Emacs line-wrapping and fill column: see fill-column variable

M-q
M-x fill-paragraph
C-x f
M-x set-fill-column
(setq-default fill-column 80)
M-x column-number-mode

combining character e.g. diacritical marks (such as accents)

x C-x 8 <RET> 0301 <RET>

yields

x́

help

general "all-purpose" help

C-h a

investigate specific keybinding

C-h c (brief)
C-h k

"describe mode" see all keybindings

C-h m

"describe bindings"

C-h b

regex

emacs swiper - whitespace \s- regex, e.g.

attempts\s-2

trim trailing whitespace

M-x delete-trailing-whitespace

markdown mode

https://jblevins.org/projects/markdown-mode/

  • C-c C-c m preview in another buffer
  • C-c C-c p preview in browser