psibi’s gists

psibi / records.sml

Created January 31, 2013 11:10

Pattern Matching Records in SML

	(* Pattern Matching in Records

	Let us pattern match {first:string,second:string,third:string}
	*)

	(*You should not code like this.
	This code will produce a type of val test = fn : {a:'a, b:'b, c:'c} -> {first:'a, second:'b, third:'c}
	So, it creates actually records with fields of a, b and c. This is not what you want.
	*)
	fun test e =

psibi / index.html

Created April 2, 2014 19:52

Working jqplot with legends

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://code.jquery.com/jquery.min.js"></script>
	<link href="http://getbootstrap.com/dist/css/bootstrap.css" rel="stylesheet" type="text/css" />
	<script src="http://getbootstrap.com/dist/js/bootstrap.js"></script>
	<link href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.min.css" rel="stylesheet" type="text/css" />
	<script src="http://code.jquery.com/ui/1.10.4/jquery-ui.min.js"></script>
	<link href="./jquery.jqplot.min.css" rel="stylesheet"
	type="text/css" />

psibi / tree.hs

Created June 17, 2014 02:05

Binary tree

	import Control.Applicative

	data Tree a = Leaf a
	\| Node (Tree a) (Tree a)
	deriving Show

	instance Functor Tree where
	fmap f (Leaf a) = Leaf (f a)
	fmap f (Node x y) = Node (fmap f x) (fmap f y)

psibi / output

Created July 9, 2014 07:44

Cabal sandbox issue

	$ cabal install -v3 --only-dependencies
	Searching for ghc in path.
	Found ghc at /usr/bin/ghc
	("/usr/bin/ghc",["--numeric-version"])
	/usr/bin/ghc is version 7.6.2
	looking for tool ghc-pkg near compiler in /usr/bin
	found ghc-pkg in /usr/bin/ghc-pkg
	("/usr/bin/ghc-pkg",["--version"])
	/usr/bin/ghc-pkg is version 7.6.2
	("/usr/bin/ghc",["--supported-languages"])

psibi / ipython_config.py

Created December 15, 2014 12:18

Ipython configuration

	# Configuration file for ipython.

	c = get_config()

	#------------------------------------------------------------------------------
	# InteractiveShellApp configuration
	#------------------------------------------------------------------------------

	# A Mixin for applications that start InteractiveShell instances.
	#

psibi / auctex

Created July 14, 2015 07:56

Aucex Error Message

	Install package `auctex-11.88.6'? (y or n) y
	Contacting host: elpa.gnu.org:80 [2 times]
	Parsing tar file...done
	Extracting auctex-11.88.6/
	Extracting auctex-11.88.6/tex-site.el
	Wrote /home/sibi/.emacs.d/elpa/auctex-11.88.6/tex-site.el
	Extracting auctex-11.88.6/tests/
	Extracting auctex-11.88.6/tests/latex/
	Extracting auctex-11.88.6/tests/latex/latex-test.el
	Wrote /home/sibi/.emacs.d/elpa/auctex-11.88.6/tests/latex/latex-test.el

psibi / mockMigrationTest.hs

Created July 27, 2015 22:05

Mock Migration

	{-# LANGUAGE EmptyDataDecls #-}
	{-# LANGUAGE FlexibleContexts #-}
	{-# LANGUAGE GADTs #-}
	{-# LANGUAGE GeneralizedNewtypeDeriving #-}
	{-# LANGUAGE MultiParamTypeClasses #-}
	{-# LANGUAGE OverloadedStrings #-}
	{-# LANGUAGE QuasiQuotes #-}
	{-# LANGUAGE TemplateHaskell #-}
	{-# LANGUAGE TypeFamilies #-}
	import Control.Monad.IO.Class (liftIO)

psibi / nix error log

Created November 9, 2015 01:51

	these derivations will be built:
	/nix/store/hjl2pj0l8hp4q8qjdz25ysa3zpgdn6f8-ghc-7.10.2.drv
	building path(s) ‘/nix/store/xcskd8vlbfalyj45az1c3x44wv0fgzby-ghc-7.10.2’
	collision between `/nix/store/9ch1py7iv3id2fyn0rz0sd28sdhhgnlq-persistent-2.2/lib/ghc-7.10.2/persistent-2.2.2/libHSpersistent-2.2.2-JLgfajdmTC3AD8guoyGkEF-ghc7.10.2.so' and `/nix/store/dzlk7m2gs0jd89f69vbyfph2v7daxslv-persistent-2.2.2/lib/ghc-7.10.2/persistent-2.2.2/libHSpersistent-2.2.2-JLgfajdmTC3AD8guoyGkEF-ghc7.10.2.so'
	builder for ‘/nix/store/hjl2pj0l8hp4q8qjdz25ysa3zpgdn6f8-ghc-7.10.2.drv’ failed with exit code 2
	error: build of ‘/nix/store/hjl2pj0l8hp4q8qjdz25ysa3zpgdn6f8-ghc-7.10.2.drv’ failed
	/home/sibi/.nix-profile/bin/nix-shell: failed to build all dependencies

psibi / YesodServantExample.hs

Created September 14, 2016 02:47

Code showing Subsite doesn't handle authentication

	{-# LANGUAGE DataKinds #-}
	{-# LANGUAGE FlexibleInstances #-}
	{-# LANGUAGE MultiParamTypeClasses #-}
	{-# LANGUAGE OverloadedStrings #-}
	{-# LANGUAGE PackageImports #-}
	{-# LANGUAGE QuasiQuotes #-}
	{-# LANGUAGE TemplateHaskell #-}
	{-# LANGUAGE RecordWildCards #-}
	{-# LANGUAGE TypeFamilies #-}
	{-# LANGUAGE TypeOperators #-}

psibi / Utils.java

Created October 22, 2016 06:29

Utils

	package ghcvm.oldtime;

	import java.util.Date;
	import java.util.Calendar;
	import java.util.TimeZone;
	import java.text.SimpleDateFormat;

	public class Utils {

	public static long getClockTimePrim() {

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