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Muhammad Jazman kampar

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@bmcbride
bmcbride / gdal_geotiff_to_mbtiles.txt
Created December 15, 2016 16:10
GDAL commands to convert GeoTiff image to MBTiles. Requires GDAL 2.1+.
gdal_translate image.tif image.mbtiles -of MBTILES
gdaladdo image.mbtiles 2 4 8
@biodata-alfarizi
biodata-alfarizi / localStorage_bomb.html
Last active March 27, 2016 05:05 — forked from kampar/localStorage_bomb.html
localStorage bomb to test your browser on how many characters your browser able to save
<html>
<head>
<title>Al-Farizi, Fuse</title>
<meta charset="utf-8">
<script>
localStorage.setItem("fuse", "-");
while(true) {
var fuse = localStorage.getItem("fuse");
try {
@ochronus
ochronus / commands.sh
Last active November 21, 2023 11:28
CPU and disk benchmarks
# install sysbench
$ apt-get install sysbench
# CPU benchmark, 1 thread
$ sysbench --test=cpu --cpu-max-prime=20000 run
# CPU benchmark, 64 threads
$ sysbench --test=cpu --cpu-max-prime=20000 --num-threads=64 run
# Disk benchmark, random read. See .fio files in this gist
@fnicollet
fnicollet / gist:5764080
Created June 12, 2013 09:50
Single tile WMS layer for Leaflet. Kind of hacked on top of ImageOverlay, a new image is requested when the viewport is changed. Supports reprojection through proj4-leaflet There are actually 2 images (_image and _imageSwap) because if you use the _image from ImageOverlay, and set his "src" attribute to the new WMS bbox, your layer will disappea…
goog.provide('L.SingleTileWMSLayer');
goog.require('L.Map');
L.SingleTileWMSLayer = L.ImageOverlay.extend({
defaultWmsParams: {
service: 'WMS',
request: 'GetMap',
version: '1.1.1',
@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*