Alex Bell Alex is a Post-Doctoral Scholar at the California Policy Lab at UCLA. Prior to joining CPL, Alex earned a PhD in Economics from Harvard University, where he is also a Visiting Fellow. Alex's research explores the causes and consequences of economic inequality. In an applied line of research, he has studied questions at the intersection of inequality of opportunity with innovation. Throug
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Sep 01 2012 One of my favorite classes in Ruby is Struct, but I feel like many Rubyists don’t know when to take advantage of it. The standard library has a lot of junk in it, but Struct and OStruct are super awesome. Struct If you haven’t used Struct before, here’s the documentation of Struct from the Ruby standard library. Structs are used to create super simple classes with some instance variabl
Background Both Knockout.js and Backbone.js have their strengths and weaknesses, but together they are amazing! With Knockback.js, you can use the strong ORM provided by Backbone and create dynamic views using Knockout bindings. Features Localization Knockout.js' bindings and automagical update Backbone's sleek Model definition Dynamic collection sorting Two-way string formatting Dependencies Knoc
Brian 10:15 pm on January 2, 2011 Tags: API, Bottle, Mongo ( 3 ), mongodb ( 6 ), PyMongo ( 2 ), Python ( 4 ), REST I have been using Bottle and MongoDB for a REST API project for almost a year now. I frequently get asked the question “Bottle, what is Bottle, I have never heard of it” and “Ok, I have read the Bottle tutorial, it is simple, but how do I use Bottle with MongoDB?”. So I decided to wri
リアクティブプログラミングって何? 時刻によって変化する値を使って計算する x = mouse_position.x y = mouse_position.y sum = x + y printf("(%d, %d); sum=%d", x, y, sum) 入力が変わるたびに再計算 用途: UI、シミュレーションなど Haskell/ML上のリアクティブプログラミング Behavior a: 時刻によって変化する値(中身a型) Event a: 繰り返し発生し得るイベント(a型の値が付属) mousePosition :: Behavior (Int, Int) mouseClick :: Event () コンビネータ mapB :: (a -> b) -> Behavior a -> Behavior b mapE :: (a -> b) -> Event a -> Event b
Effective JavaScript is an in-depth look at the JavaScript programming language and how to use it effectively to write more portable, robust, and maintainable applications and libraries. Using the concise, scenario-driven style of the Effective Software Development Series, this book brings together tips, techniques, and realistic code examples to explain the important concepts in JavaScript. 200 p
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