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(declaim (optimize (speed 3) (safety 0))) | |
(defmacro with-type (type expr) | |
(if (atom expr) | |
expr | |
(let ((op (car expr))) | |
(reduce | |
(lambda (x y) | |
`(the ,type | |
(,op ,@(if x (list x) '()) |
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ds = set(range(2,10)) | |
for t in ds: | |
e = 11-t | |
for n in ds - {t,e}: | |
for x in [0,1]: | |
k = 10*x+e-n-1 | |
if k in ds - {t,e,n}: | |
for o in ds - {t,e,n,k}: | |
for y in [0,1]: | |
a = 10*y+n-o-x |
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public class T { | |
static int f(int x, int y, int z, int n) { | |
return 2*(x*y+y*z+x*z) + 4*(x+y+z+n-2)*(n-1); | |
} | |
static int[] g(int n) { | |
int[] count = new int[n+1]; | |
for (int x=1; f(x,x,x,1)<=n; x++) | |
for (int y=x; f(x,y,y,1)<=n; y++) | |
for (int z=y; f(x,y,z,1)<=n; z++) |
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(defun turn-off-openwith-mode (orig-fun &rest args) | |
"Ensure openwtih-mode is off when running dired-mark-files-containing-regexp" | |
(let ((openwith-mode-on? openwith-mode)) | |
(when openwith-mode-on? (openwith-mode -1)) | |
(apply orig-fun args) | |
(when openwith-mode-on? (openwith-mode 1)))) | |
(dolist (cmd '(dired-mark-files-containing-regexp message-send-and-exit)) | |
(advice-add cmd :around #'turn-off-openwith-mode)) |
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(use-package smartparens | |
:diminish smartparens-mode | |
:init | |
(smartparens-global-mode) | |
:config | |
(require 'smartparens-config) | |
(add-hook 'eval-expression-minibuffer-setup-hook #'smartparens-mode) | |
(custom-set-variables | |
'(sp-base-key-bindings 'sp) | |
'(sp-override-key-bindings |
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#include <math.h> | |
#include <stdio.h> | |
double f(int c) { | |
double x = c / 255.0; | |
return x<=0.03928 ? x/12.92 : pow((x + 0.055)/1.055, 2.4); | |
} | |
double rellum(int r, int g, int b) { | |
return 0.2126*f(r) + 0.7152*f(g) + 0.0722*f(b); |
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(fn comprehend [init update ...] | |
(let [clauses [...] n (length clauses) result (gensym)] | |
(tset clauses n (update result (. clauses n))) | |
(for [i (- n 1) 1 -1] (table.insert (. clauses i) (. clauses (+ i 1)))) | |
`(do (var ,result ,init) ,(. clauses 1) ,result))) | |
(fn tbl [...] | |
(comprehend {} | |
(fn [result expr] `(match ,expr (k# v#) (tset ,result k# v#))) | |
...)) |
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syntax = {} | |
for _, kind in ipairs {"vector", "table"} do | |
local mt = {} | |
syntax[kind] = function (x) return setmetatable(x, mt) end | |
syntax[kind .. "_p"] = function (x) return type(x)=="table" and getmetatable(x)==mt | |
end | |
end | |
function syntax.form_p(x) |
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(defun py-docstring () | |
"Primitive Python docstring generator." | |
(interactive) | |
(save-excursion | |
(beginning-of-defun) | |
(down-list) | |
(let* ((all-args | |
(mapcar | |
(lambda (s) (split-string s "\\s-*=\\s-*")) | |
(split-string (buffer-substring |
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;; -*- lexical-binding: t; -*- | |
;; to use run: emacs --batch -l standalone-eshell.el | |
(require 'em-prompt) | |
(let ((dir default-directory)) | |
(add-hook 'eshell-directory-change-hook | |
(lambda () (setq dir default-directory))) | |
(while t |
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