Tim Van Wassenhove timvw

@timvw@fosstodon.org

timvw / emptyspark.sh

Last active August 29, 2015 14:23

Create an sbt project for scala and spark

	#!/bin/bash
	# usage: emptyspark.sh blah
	# Result: project is created at /Users/timvw/src/blah
	# Inspired by: https://gist.github.com/alvinj/3194379

	project=$1
	basedir="/Users/timvw/src"
	targetdir="$basedir/$1"
	scalaversion="2.11.6"
	sparkversion="1.4.0"

timvw / UpdateVersions.fsx

Last active August 29, 2015 14:23

Update AssemblyVersion and AssemblyFileVersions (in fsharp and scala)

	open System
	open System.IO
	open System.Text.RegularExpressions

	let getAssemblyVersionFiles path =
	Directory.GetFiles(path, "AssemblyVersions.cs", SearchOption.AllDirectories)

	let assemblyVersionPattern = "AssemblyVersion$\"(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+).(?<build>\d+)\"$"
	let assemblyFileVersionPattern = "AssemblyFileVersion$\"(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+).(?<build>\d+)\"$"

timvw / getlatest.sh

Created July 7, 2015 08:59

Git fetch on windows

	#!/bin/bash

	function gitfetch {
	cd $1
	git fetch
	}

	for repo in $(find /c/src -type d -maxdepth 1 -name icteam-\*); do gitfetch $repo; done

timvw / classify.m

Last active August 29, 2015 14:26

	function [accuracy, precision, recall, f1] = classify(X)

	% X is a matrix with the following data:
	% X(1,1) we predict that it is true, it is true - true positive
	% X(1,2) we predict that it is true, it is false - false positive
	% X(2,1) we predict that it is false, it is true - false negative
	% X(2,2) we predict that it is false, it is false - true negative

	accuracy = ( X(1,1) + X(2,2) ) / sum(sum(X))
	precision = X(1,1) / ( X(1,1) + X(1,2) )

timvw / GetArtifacts.ps1

Created September 25, 2015 09:50

Download all the latest buildartifacts from a set of builds from teamcity

	# define parameters
	$baseDir = "c:\temp" #"%system.agent.work.dir%"
	$username = "ICTEAM\TIMVW"
	$password = "Password"
	$teamcityUrl = "http://teamcity.icteam.be"
	$branchName = "feature/MS-001" #$branchName = "<default>"

	$buildTypeIds = @(
	"MS_Nightly_Module1",
	"MS_Nightly_Module2",

timvw / installall.ps1

Created September 29, 2015 09:02

use nuget package manager console in visual studio to install all packages from packages.config

([xml](Get-Content 'packages.config')).packages.package |% { install-package $_.id -version $_.version }

timvw / session.sh

Created October 6, 2015 08:40

(imho) inconsistent behaviour

	mbpro:~ timvw$ which keepass
	mbpro:~ timvw$ keepass
	[1] 12681
	mbpro:~ timvw$ which keepass
	[1]+ Exit 1 mono ~/src/keepass/Build/KeePass/Debug/KeePass.exe > /dev/null 2>&1

timvw / Dockerfile

Last active April 7, 2020 19:58

windowsservercore + chocolatey

	FROM windowsservercore
	LABEL Description="chocolatey on windows" Vendor="icteam" Version="0.1.0"
	RUN @powershell -NoProfile -ExecutionPolicy Bypass -Command "iex ((new-object net.webclient).DownloadString('https://ch
	ocolatey.org/install.ps1'))" && SET PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin

timvw / using.sc

Created January 9, 2016 19:38

Scala type refinement

	def using[T <: { def close(): Unit }, S](obj: T)
	(operation: T => S) = {
	val result = operation(obj)
	obj.close()
	result
	}

timvw / Demo.sc

Created January 10, 2016 21:11

map/flatmap/filter implemented as for-expression


	object Demo {
	def map[A, B](xs: List[A], f: A => B): List[B] =
	for (x <- xs) yield f(x)
	def flatMap[A, B](xs: List[A], f: A => List[B]): List[B] =
	for (x <- xs; y <- f(x)) yield y
	def filter[A](xs: List[A], p: A => Boolean): List[A] =
	for (x <- xs if p(x)) yield x
	}