bahmanm

/**
 * Using nested try-catch blocks.
 *
 * @param str a string representing an integer
 * @return smallest integer type or null
 */
Number atoi_NestedTryCatch(String str) {
  try {
    return Integer.valueOf(str);
  } catch (NumberFormatException ignore1) {

bahmanm

;; to save an object into a json file
(with-temp-buffer
  (json-insert '(:foo "bar"))
  (write-file "~/tmp/my.json"))

;; load a json file as hash table 
(with-temp-buffer
  (insert-file-contents "~/tmp/my.json")
  (json-parse-buffer))

bahmanm

let group_by (f : 'a -> 'b) (ll : 'a list) : ('b, 'a list) Hashtbl.t =
  List.fold_left
    (fun acc e ->
       let grp = f e in
       let grp_mems = try Hashtbl.find acc grp with Not_found -> [] in
       Hashtbl.replace acc grp (e :: grp_mems);
       acc)
    (Hashtbl.create 100)
    ll;;

bahmanm

#!/usr/bin/env bash

###
# Initialises a Gradle project with Groovy and Spock.
#
# How To Use?
#
# 1. Save the file, e.g. `gradle-init.sh`
# 2. Make it executable: `$ chmod +x gradle-init.sh`
# 3. Initialise the project: `$ ./gradle-init.sh YOUR_PROJECT_NAME`

bahmanm

//
// This has evolved into a fully-fledged project called DateDreamer.
// Please check the project's page for releases and more information.
// https://github.com/bahmanm/datedreamer
//

@Grab(group='com.github.yannrichet', module='JMathPlot', version='1.0.1')
@Grab(group='org.apache.commons', module='commons-math3', version='3.6.1')
import static java.lang.Math.*
import org.apache.commons.math3.complex.Complex

bahmanm

/**
 * @author Bahman Movaqar <Bahman AT BahmanM.com>
 */
@Grab('org.jsoup:jsoup:1.8.2')
import static org.jsoup.Jsoup.parse

def cookieManager = new CookieManager(null, CookiePolicy.ACCEPT_ALL)
CookieHandler.setDefault(cookieManager)
def doc = parse(
  new URL('https://www.packtpub.com/packt/offers/free-learning').text

bahmanm

#lang racket
;;;
;;; Author: Bahman Movaqar <Bahman AT BahmanM.com>
;;;
(require net/url)
(require sxml)
(require net/uri-codec)
(require net/http-client)
(require (planet neil/html-parsing))
(require net/cookies)

bahmanm

(defn getfn [fname]
  "Gets a function by its fully qualified name."
  (let [fsym (symbol fname)
        nsym (symbol (namespace fsym))]
    (require nsym)
    (resolve fsym)))

(defn interpolate [s vals]
  "Returns the interpolation of string 's' with a map of key/values."
   ;Keys in 's' are marked with #{key-name} syntax.

bahmanm

; Suppose you have a CSV file with the first row being the column names
; and the rest being data.  Using the following snippet you can process
; the contents passing each row's contents as keyword arguments to
; another function.
;
; Example CSV structure:
; +----------------------------------------------------------+
; |  customer-code  |  name  |  e-mail  |  address  | phone  |
; +----------------------------------------------------------+
;

bahmanm

; Copyright Bahman Movaqar <Bahman AT BahmanM.com>
; Source -> https://github.com/bahmanm/touka/blob/master/misc.scm
; Tests -> https://github.com/bahmanm/touka/blob/master/tests/misc-tests.scm

;; Collects the CAR of each list in the given list of lists!
(define (cars list-of-lists)
  (map car list-of-lists))

;; Collects the CDR of each list in the given list of lists!
(define (cdrs list-of-lists)