Collecting data and livin'

a bunch of methods that can be used with any other class (MIX IN) a method is a group of several expressions(block) that can be referred by a name, passed arguments, associated with one or more objects higher order function takes a function as a param or returns as a result AREL relational algebra  returning the reply for the first comment, a table joining itself why is that easier in arel than sql, because sql qould require aliasing CONTEXT When    user logs out when    user logs in when    not valid or With TEST VALID EDGE NOT VALID ex  describe destroy do        context 1: WHEN resrouce found => 200        context 2: WHEN resource not found        context3 : WHEN resource not OWNED expect DONT SHOULD expect dont should expect dont should expect means in my mind i think i know what will come rather than should, if what comes isn't what i thought obl...

1 works with 2,3,4,5 2 works with 7,8 matrix - n x n search horiz, vert, diag whenever you visit a location, and then visit a connected location, you do not want to revisit the old as you continue to find adjacent cells FINAL: can only be assigned once getOrDefault(Object key, V defaultValue) Returns the value to which the specified key is mapped

800 ms response time AINT BAD an endpoint that is used a lot HSL - Hue, Saturation, Lightness NONaggregated column ARTSHOW ARTWORKS The way it is organized now, is the sections are rendered once and then javascript hides or displays based on href clicked       1) ajax on the images if user clicks on a specific collection orrrrr a dropdown ellipsis: omission of superfluous words event.preventDefault() : default action will not be triggered $ -> $ (".prof_content"). dotdotdot watch : true wrap : 'word' ellipsis : ' ' after : "span.more" menus = window .menu_items $ . cookie ('dd', screen . width + "x" + screen . height , { expires : 7, path : '/' }); doResize () $ ('.show_dlg'). leanModal () window . section = window .profile_layout['profile'].homepage $ ( window ). resize -> doResize () $ ('.prof_menu_item'). click (event) -> event....

64 bit computer  -> 64 switches that can turn on or off 0 - 2^64 - 1 Hashtable create an array that acts as a references table for storing elements without having to worry about order and being able to return those elements efficiently

Djikstra's shortest path: find shortest path from one node to another DIRECTED WEIGHTED GRAPH NODE==VERTEX==discrete position EDGES: directed vs. undirected order of G # nodes size of G # edges unsettled means they haven't been evaluated

When associations are based on reference, not values, think arrows, not what value is stored at the location the arrow starts, nor what value is stored at the location of where the arrow ends. A binary tree Linked List ALL nodes @ EACH depth an INNER class cannot be static NESTED classes STATIC NON-STATIC PUBLIC PRIVATE proj 1, proj2, proj3, ...., projn dependencies(proj1 is depended on by proj2) (proj(n-1), projn) topological sort for every edge (a, b) a appears before b in the linear order MUST BE ABLE TO PICTURE THE DATA STRUCTURES ONE USES TO MANIPULATE THE PROBLEM WEBPACK replace Gulp Grunt         Module loader: require.js, browserify NODE JS: playform javascript runtime event driven non blocking input outupd data intensive real-time app run across distributed devices  SERVER SIDE networking apps React creates class    html with html element property ReactDOM renders   html, get dom element FLASK