HallM

// trivial division
h,i=2;g(j){return j*j>i||i%j++&&g(j);}main(){scanf("%i",&h);for(;h;i++)g(2)&&printf("%i ",i,--h);}

// Wilson's Theory
h,i;m(n){return n?n*m(n-1)%i:1;}main(){scanf("%i",&h);for(;h;)m(i++)+1-i||printf("%i ",i,--h);}

HallM

; removal
UPDATE page
  , (SELECT category_id as oldcategory, page_order as oldorder FROM page WHERE id = :pgid) as t2
SET page.page_order = CASE
  WHEN id = :pgid THEN -1
  WHEN page.category_id = t2.oldcategory
    AND page.page_order > t2.oldorder
    THEN page.page_order-1
  ELSE page.page_order
END

HallM

UPDATE page, (SELECT pageorder as oldorder FROM page WHERE id = :pgid) as t2 SET page.pageorder = CASE
  WHEN id = :pgid THEN :neworder
  WHEN page.pageorder <= :neworder AND page.pageorder > t2.oldorder THEN page.pageorder-1
  WHEN page.pageorder >= :neworder AND page.pageorder < t2.oldorder THEN page.pageorder+1
  ELSE page.pageorder
END
WHERE page.pageorder >= LEAST(:neworder, t2.oldorder) AND page.pageorder <= GREATEST(:neworder, t2.oldorder);

HallM

function privateHandlePut(req, res) {
  // do things
}

function publicHandleGet(req, res) {
  // do things
}

export.controller = {
  publicHandleGet

HallM

universe: everything that isn't this software
can only interface with software through the shell
 - user
 - monitor
 - browser
 - database
 - file system
 - external API
 - API on the same machine but different piece of software
 - sensors

HallM

import Bluebird from 'bluebird';
// assume express, promise-ready ORM (Sequelize, Bookshelf, Mongoose)

function wrap(genFn) {
    var cr = Bluebird.coroutine(genFn);
    return function (req, res, next) {
      cr(req, res, next).catch(next);
    }
}