Here we want to scrape product name, price and rating from ebay product pages:
url = 'https://www.ebay.com/itm/Sony-PlayStation-4-PS4-Pro-1TB-4K-Console-Black/203084236670'
wanted_list = ['Sony PlayStation 4 PS4 Pro 1TB 4K Console - Black', 'US $349.99', '4.8']
scraper.build(url, wanted_list)| /***************************************************************************** | |
| * QuantCup 1: Price-Time Matching Engine | |
| * | |
| * Submitted by: voyager | |
| * | |
| * Design Overview: | |
| * In this implementation, the limit order book is represented using | |
| * a flat linear array (pricePoints), indexed by the numeric price value. | |
| * Each entry in this array corresponds to a specific price point and holds | |
| * an instance of struct pricePoint. This data structure maintains a list |
| ######################################################################## | |
| # OPTIMAL .htaccess FILE FOR SPEED AND SECURITY @Version 2.0.9 - 03/2024 | |
| # ---------------------------------------------------------------------- | |
| # @Author: Andreas Hecht | |
| # @Author URI: https://seoagentur-hamburg.com | |
| # License: GNU General Public License v2 or later | |
| # License URI: http://www.gnu.org/licenses/gpl-2.0.html | |
| ######################################################################## | |
| Updated to Red for Windows version 0.6.2 built 7-Jun-2017/15:13:57+2:00 | |
| The table gives type of first operand, type of second operand, result type | |
| for + (add), - (subtract), * (multiply), / (divide), // (modulo) and % (remainder) | |
| For vectors, the element type is distinguished. | |
| There is one case (time with time) where the result type is not the same | |
| for all allowed operations. | |
| After each type combination, the reverse combination is given. | |
| The fourth column gives the operators for which the combination is forbidden. | |
| If the result type is error, the combination is forbidden for all operators. |
Tageless Final interpreters are an alternative to the traditional Algebraic Data Type (and generalized ADT) based implementation of the interpreter pattern. This document presents the Tageless Final approach with Scala, and shows how Dotty with it's recently added implicits functions makes the approach even more appealing. All examples are direct translations of their Haskell version presented in the Typed Tagless Final Interpreters: Lecture Notes (section 2).
The interpreter pattern has recently received a lot of attention in the Scala community. A lot of efforts have been invested in trying to address the biggest shortcomings of ADT/GADT based solutions: extensibility. One can first look at cats' Inject typeclass for an implementation of [Data Type à la Carte](http://www.cs.ru.nl/~W.Swierstra/Publications/DataTypesA
| ;; SEE: https://github.com/cgrand/macrovich | |
| ;; macros and code in a single cljc working across clj, cljs and self-hosted cljs | |
| ;; require clojurescript from master | |
| (ns foo.core | |
| #?(:cljs (:require-macros | |
| [net.cgrand.meta-macros :refer [macros no-macros]] | |
| [foo.core :refer [add]]) | |
| :clj (:require |
| (defmacro datomic-fn | |
| "Creates a datomic function given (fn [db e a ...] code...)" | |
| [[_ args & body]] | |
| `(d/function '{:lang "clojure" | |
| :params ~args | |
| :code (do ~@body)})) | |
| (defn trinity-new | |
| "1. If a is a ref: | |
| Ensures that |
| (ns your.macros-for-cljs.ns | |
| (:require [sablono.compiler :as sablono-c])) | |
| ;; Make sablono also walk into other forms: | |
| ;; if, for, let, do: Already exist | |
| (.addMethod @(var sablono-c/compile-form) "when" | |
| (fn | |
| [[_ bindings & body]] | |
| `(when ~bindings ~@(for [x body] (sablono-c/compile-html x))))) |
| -- A global variable for the Hyper Mode | |
| k = hs.hotkey.modal.new({}, "F17") | |
| -- Trigger existing hyper key shortcuts | |
| k:bind({}, 'm', nil, function() hs.eventtap.keyStroke({"cmd","alt","shift","ctrl"}, 'm') end) | |
| -- OR build your own | |
| launch = function(appname) |
| (ns build-info | |
| (:require [cheshire.core :as json] | |
| [clj-time.core :as t] | |
| [clj-time.format :as tf] | |
| [clojure.java.io :as io] | |
| [clojure.java.shell :as shell] | |
| [clojure.string :as str] | |
| [plumbing.core :refer [map-keys]])) | |
| ;; shell utility library |
