kudarisenmon

--- /usr/bin/gdal2tiles.py      2014-04-05 23:21:17.000000000 +0900
+++ /home/kudarisenmon/bin/gdal2tiles.py        2016-07-09 18:08:34.012957232 +0900
@@ -783,7 +783,7 @@
         self.out_srs = osr.SpatialReference()

         if self.options.profile == 'mercator':
-            self.out_srs.ImportFromEPSG(900913)
+            self.out_srs.ImportFromEPSG(3857)
         elif self.options.profile == 'geodetic':
             self.out_srs.ImportFromEPSG(4326)

chmanie

# Weather!
# uses https://github.com/alexreisner/geocoder
# and https://github.com/robmathers/WhereAmI
function wthr
    set LOC (whereami)
    set LAT (echo $LOC | cut -d" " -f2)
    set LON (echo $LOC | cut -d" " -f4)
    set CITY (geocode -s nominatim "$LAT,$LON" | grep -Eo '^City(.+)' | cut -d: -f2 | xargs | tr ' ' '-')
    curl -4 http://wttr\.in/$CITY
end

miharekar

More info in the blog post.

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

sebmarkbage

var Bar1 = base => class extends base {
  componentWillMount(){
    super.componentWillMount();
    console.log('Bar1');
  }
};

var Bar2 = base => class extends base {
  componentWillMount(){
    super.componentWillMount();

binarymax

//------------------------------------------
//Compact bitmap datastructure
//Memory efficient array of bool flags
var Bitmap = function(size){
	this._cols  = 8;
	this._shift = 3;
	this._rows  = (size>>this._shift)+1;
	this._buf   = new ArrayBuffer(this._rows);
	this._bin   = new Uint8Array(this._buf);
};

honkskillet

byte-size tuts

by alexander white ©

golang tutorials

• 0 - installation on a Mac
• 1 - packages
• 2 - remote packages
• 3 - variable syntax
• 4 - functions syntax
• 5 - loops syntax

clhenrick

PostgreSQL & PostGIS Cheatsheet

This is a collection of information on PostgreSQL and PostGIS for what I tend to use most often.

TOC

• Installing Postgres & PostGIS
• Using Postgres on the command line: PSQL
• Importing Data into Postgres
• Exporting Data from Postgres
• Joining Tables

jonlabelle

Regular Expression Cheatsheet

Anchors

^   Matches at the start of string or start of line if multi-line mode is
	enabled. Many regex implementations have multi-line mode enabled by
	default.

$ Matches at the end of string or end of line if multi-line mode is enabled.

marianposaceanu

Linux fun-o-matic

How to have some fun using the terminal.

1. Install cowsay [0] via : sudo apt-get install cowsay
2. Install fortune [1] via : sudo apt-get install fortune
3. Make sure you have Ruby installed via : ruby -v
4. Install the lolcat [2] via : gem gem install lolcat
5. Profit!