This is a simple chat-like program using pub-sub pattern, backed by PostgreSQL's LISTEN/NOTIFY command.
publish message to foo channel from user nickname.
$ python pub.py foo nickname
PUBLISH to channel #foo
DK Dhilip dhilip89
dhilip89
/ dynamic_arrow_line.html
Created
February 19, 2017 05:09
Dynamic SVG arrow line, no dependencies.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Dynamic Arrow Line - By DK</title> | |
| <style> | |
| span:hover, | |
| td:hover, |
dhilip89
/ postgres-notify-trigger.sql
Created
July 9, 2017 02:48
— forked from bithavoc/postgres-notify-trigger.sql
I used this trigger to notify table changes via NOTIFY (migrating off RethinkDB)
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| CREATE OR REPLACE FUNCTION notify_trigger() RETURNS trigger AS $$ | |
| DECLARE | |
| channel_name varchar DEFAULT (TG_TABLE_NAME || '_changes'); | |
| BEGIN | |
| IF TG_OP = 'INSERT' THEN | |
| PERFORM pg_notify(channel_name, '{"id": "' || NEW.id || '"}'); | |
| RETURN NEW; | |
| END IF; | |
| IF TG_OP = 'DELETE' THEN | |
| PERFORM pg_notify(channel_name, '{"id": "' || OLD.id || '"}'); |
dhilip89
/ README.md
Created
July 9, 2017 02:50
— forked from quiver/README.md
Who says PostgreSQL can't Pub/Sub like Redis?
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| # source : http://code.google.com/p/natvpn/source/browse/trunk/stun_server_list | |
| # A list of available STUN server. | |
| stun.l.google.com:19302 | |
| stun1.l.google.com:19302 | |
| stun2.l.google.com:19302 | |
| stun3.l.google.com:19302 | |
| stun4.l.google.com:19302 | |
| stun01.sipphone.com | |
| stun.ekiga.net |
dhilip89
/ HelloWorld.java
Created
July 14, 2017 10:40
— forked from lolzballs/HelloWorld.java
Hello World Enterprise Edition
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| import java.io.FileDescriptor; | |
| import java.io.FileOutputStream; | |
| import java.io.IOException; | |
| import java.io.OutputStream; | |
| import java.io.PrintStream; | |
| public class HelloWorld{ | |
| private static HelloWorld instance; | |
| public static void main(String[] args){ | |
| instantiateHelloWorldMainClassAndRun(); |
dhilip89
/ hello_mesos.py
Created
September 20, 2017 08:05
— forked from porterjamesj/hello_mesos.py
the tiniest mesos scheduler
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| import logging | |
| import uuid | |
| import time | |
| from mesos.interface import Scheduler | |
| from mesos.native import MesosSchedulerDriver | |
| from mesos.interface import mesos_pb2 | |
| logging.basicConfig(level=logging.INFO) |
dhilip89
/ ammojs-loading.md
Created
September 23, 2017 09:49
— forked from sasha240100/ammojs-loading.md
Ammo.js loading comparison table
dhilip89
/ ammojs-loading.md
Created
September 23, 2017 09:49
— forked from sasha240100/ammojs-loading.md
Ammo.js loading comparison table
dhilip89
/ what-forces-layout.md
Created
December 29, 2017 13:44
— forked from paulirish/what-forces-layout.md
What forces layout/reflow. The comprehensive list.
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.
elem.offsetLeft,elem.offsetTop,elem.offsetWidth,elem.offsetHeight,elem.offsetParentelem.clientLeft,elem.clientTop,elem.clientWidth,elem.clientHeightelem.getClientRects(),elem.getBoundingClientRect()
dhilip89
/ gradle-cheatsheet.gradle
Created
January 9, 2018 17:03
— forked from jahe/gradle-cheatsheet.gradle
Gradle Cheatsheet
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| // imports a couple of java tasks | |
| apply plugin: "java" | |
| // List available tasks in the shell | |
| > gradle tasks | |
| // A Closure that configures the sourceSets Task | |
| // Sets the main folder as Source folder (where the compiler is looking up the .java files) | |
| sourceSets { | |
| main.java.srcDir "src/main" |
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