technolo-g

HAProxy + Consul vs VulcanD + EtcD

HAProxy/Consul

• Pro: Both are production ready
• Pro: Can handle any throughput we will see
• Pro: More feature rich
  1. Healthchecks
  2. DNS and HTTP API available to map endpoints
  3. Lots of service discovery built in
• Pro: Solution could be used in more than one place (bld/prod/etc..)

blissdev

echo substr(hash('sha256', time()), 0, 32);

brianc

Some thoughts on using node-postgres in a web application

This is the approach I've been using for the past year or so. I'm sure I'll change and it will change as I grow & am exposed to more ideas, but it's worked alright for me so far.

Pooling:

I would definitely use a single pool of clients throughout the application. node-postgres ships with a pool implementation that has always met my needs, but it's also fine to just use the require('pg').Client prototype and implement your own pool if you know what you're doing & have some custom requirements on the pool.

laurentpetit

(ns mutabots
  "Reimplementation of transducers, in terms of processing functions instead
   of reducing functions.

   tl;dr: reducing-fn based transducers are a special case, influenced by reducers,
          of processing-fn based transducers.

   In Clojure 1.7.0-alpha2, transducers are expressed in terms of the existing
   concept of reducing functions.
   To sum it up, a transducer has currently the signature :

levand

Why I don't use cider.

This is all personal opinion and a matter of taste. I'm putting it here because people have asked - I'm glad Cider exists and that a lot of people are obviously using it to great effect. This is not an attack on Cider or a an attempt to negate the experience of those who like it, just my own experience.

Also some of the critiques are more properly aimed at nRepl than Cider - I don't use nRepl either, in Emacs. For some reason I have fewer issues with it in Cursive (though I still do have some).

1. With Cider, there's too much "going on" between Emacs and Clojure. When something glitches, hangs, doesn't return a value, throws an excption, etc (as it does, multiple times a day), I don't know whether the problem is in Emacs, in the Cider client, the nRepl server, one of any of the default middlewares or in my actual program. I run Emacs in inferior lisp using lein trampoline -m clojure.main - if something goes wrong, it's either in Emacs (which is usually obvious) or my program. Mi

mathiasbynens

Someone tried to exploit the Shellshock vulnerability in Bash on lodash.com, likely as part of a mass-exploit attempt.

In this case, the exploit attempted to download a modified version of @schierlm’s pseudo-terminal Perl script that would connect to 72.167.37.182 on port 23. The download URL contains the targeted host name (?h=lodash.com) which gives the attacker an indication of which hosts might have the /tmp/a.pl backdoor in place.

jlongster

operator (<~) 49
  { $channel } => #{ yield csp.take($channel) }

operator (~>) 50 right
  { $value, $channel } => #{ yield csp.put($channel, $value) }

macro (<~alts) {
  rule { } => {
    yield csp.alts
  }

borkdude

;;; To add a tooltip, write (tooltip {:className "foo"}) instead of #js {:className "foo"}
;;; You can simplify this and just show what you need: #js {:title (pr-str (om/...))}.

;;; testfoo.core (cljs)

(ns testfoo.core
  (:require-macros [testfoo.macros :refer (tooltip)])
  (:require [om.core :as om :include-macros true]
            [om.dom :as dom :include-macros true]
            [cljs.reader :as reader]))

jamii

Specification

Out Of The Tarpit

BOOM Analytics: Exploring Data-Centric, Declarative Programming for the Cloud

Dedalus: Datalog in Time and Space

Logic and Lattices for Distributed Programming

sts

#
# Proof of concept for a HAProxy maintenance mode
#
#
# Control the maintenance page during runtime using the stats socket:
#
# To put the whole site in maintenance mode (for all IPs):
# > add acl #0 0.0.0.0/0
#
# To exclude your own ip, so you are able to test things out: