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Experimental work with mapbox gl js, web workers and geojsonhint to create new layers by drag and dropping geojson data.

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# demonstration de tryCatch 


# exemple minimal
tryCatch(stop("yo"),error=function(cond){print(cond$message)})

# exemple en téléchargeant un fichier

superTest <- function(){

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library(raster)
library(XML)

# get raster file 
# e.g. read from file:  
 r <- raster("dat.tif")

# create sample values
r <- raster(ncol=10, nrow=10)
r[] <- as.integer(runif(length(r))*255)

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if [[ ! -e $dirReceipts/postfix ]]
then 
  # doc found on
  # https://www.linode.com/docs/email/postfix/postfix-smtp-debian7
  # https://www.howtoforge.com/postfix_relaying_through_another_mailserver
  export DEBIAN_FRONTEND=noninteractive
  apt-get -qy purge mailutils postfix
  apt-get install -qy postfix mailutils
  # var
  mailadmin="[email protected]"

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mxConfig$class = list(
  "Development" = "dev",
  "Environment" = "env",
  "Extractives" = "ext",
  "Stresses" = "str"
  )

mxConfig$subclass = list(
  "dev" = list(
    "Unemployment" = "unemployment",

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#'amReferralTable
#'@export
amReferralTable<-function(session=shiny:::getDefaultReactiveDomain(),inputSpeed,inputFriction,inputHf,inputHfTo,inputTblHf,inputTblHfTo,idField,idFieldTo,labelField,labelFieldTo,typeAnalysis,resol,dbCon, unitCost=c('s','m','h'),unitDist=c('m','km'),outReferral,outNearestDist,outNearestTime){


  # check the clock
  timeCheckAll<-system.time({
    # set increment for the progress bar.
    incN=0
    inc=90/nrow(inputTblHf)

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#############################################################################
#
# MODULE:   	GRASS Compilation
# AUTHOR(S):	Original author unknown - probably CERL
#   	    	Justin Hickey - Thailand - jhickey AT hpcc.nectec.or.th
#   	    	Markus Neteler - Germany - neteler AT itc.it
#   	    	Andreas Lange - Germany - Andreas.Lange AT Rhein-Main.de
#   	    	Radim Blazek - Italy - blazek AT itc.it
# PURPOSE:  	It provides the commands necessary to compile, install,
#   	    	clean, and uninstall GRASS

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------------------------------------------------- R.oo without specifing encoding in .Rprofile/ /etc/R/.Rprofile.site

> install.packages('R.oo')
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'http://cran.rstudio.com/src/contrib/R.oo_1.18.0.tar.gz'
Content type 'application/x-gzip' length 394545 bytes (385 Kb)
opened URL
==================================================
downloaded 385 Kb

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2014-11-07 12:37:48 +0100

./configure
--prefix=/usr/local/Cellar/grass-70/7.0.0beta3
--disable-debug
--disable-dependency-tracking
--enable-shared
--with-cxx
--with-python
--with-blas

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2014-11-07 10:52:25 +0100

cmake
..
-DCMAKE_INSTALL_PREFIX=/usr/local/Cellar/qgis/1.8.0
-DCMAKE_BUILD_TYPE=None
-DCMAKE_FIND_FRAMEWORK=LAST
-DCMAKE_VERBOSE_MAKEFILE=ON
-Wno-dev
-DQWT_INCLUDE_DIR=/usr/local/opt/qwt/lib/qwt.framework/Headers/