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Víctor Velarde VictorVelarde

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@bmcbride
bmcbride / postgis_geojson.php
Created February 26, 2012 05:43
PHP PostGIS to GeoJSON
<?php
/**
* PostGIS to GeoJSON
* Query a PostGIS table or view and return the results in GeoJSON format, suitable for use in OpenLayers, Leaflet, etc.
*
* @param string $geotable The PostGIS layer name *REQUIRED*
* @param string $geomfield The PostGIS geometry field *REQUIRED*
* @param string $srid The SRID of the returned GeoJSON *OPTIONAL (If omitted, EPSG: 4326 will be used)*
* @param string $fields Fields to be returned *OPTIONAL (If omitted, all fields will be returned)* NOTE- Uppercase field names should be wrapped in double quotes
* @param string $parameters SQL WHERE clause parameters *OPTIONAL*
@danielestevez
danielestevez / gist:2044589
Last active August 19, 2025 02:29
GIT Commit to an existing Tag
1) Create a branch with the tag
git branch {tagname}-branch {tagname}
git checkout {tagname}-branch
2) Include the fix manually if it's just a change ....
git add .
git ci -m "Fix included"
or cherry-pick the commit, whatever is easier
git cherry-pick {num_commit}
@bmcbride
bmcbride / proxy.php
Created September 18, 2013 19:35
Simple PHP proxy
<?php
$ch = curl_init($_GET['url']);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($ch);
curl_close($ch);
echo $output;
?>
@onderaltintas
onderaltintas / degrees2meters.js
Last active April 12, 2022 01:38 — forked from springmeyer/degress2meters.js
javascript coordinate conversions between 900913(3857) - 4326(lat lon)
var degrees2meters = function(lon,lat) {
var x = lon * 20037508.34 / 180;
var y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
y = y * 20037508.34 / 180;
return [x, y]
}
//test
lon= -77.035974
lat = 38.898717
@mobilemind
mobilemind / git-tag-delete-local-and-remote.sh
Last active August 10, 2025 11:21
how to delete a git tag locally and remote
# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push --delete origin tagName
git tag -d tagName
@andrewxhill
andrewxhill / index.html
Last active March 22, 2017 13:07
Use Leaflet Draw to filter and style a CartoDB layer
<!DOCTYPE html>
<html>
<head>
<title>Leaflet.draw drawing and editing tools</title>
<link
rel="stylesheet"
href="http://cdn.leafletjs.com/leaflet-0.7/leaflet.css"
/>
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" />
<link
@jorgeas80
jorgeas80 / app.css
Last active January 28, 2016 16:43
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
.header {
position: absolute;
padding: 40px;
top: -35px;
@rveciana
rveciana / README.md
Last active January 17, 2023 12:11
d3-composite-projections conicConformalSpain
@d2s
d2s / installing-node-with-nvm.md
Last active September 28, 2025 05:45
Installing Node.js to Linux & macOS & WSL with nvm

Installing Node.js with nvm to Linux & macOS & WSL

A quick guide on how to setup Node.js development environment.

Install nvm for managing Node.js versions

nvm allows installing several versions of Node.js to the same system. Sometimes applications require a certain versions of Node.js to work. Having the flexibility of using specific versions can help.

  1. Open new Terminal window.
@mappingvermont
mappingvermont / filter_glad.html
Created August 25, 2016 13:11
Load GLAD tiles into Leaflet canvas, decode RGB value and filter by date
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Filtering Pixels in Leaflet</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<!-- Load Leaflet from CDN-->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/leaflet/0.7.7/leaflet.css" />