usrbinkat

Pulumi + Python + Nix: Complete Implementation Specification

Purpose: Exhaustive implementor-level reference for building, migrating, and maintaining Pulumi Python infrastructure projects using Nix for hermetic dependency management. Replaces pip, uv, virtualenv, and pyproject.toml-based dependency resolution with a single python.withPackages derivation that is reproducible, offline-capable, and free of PATH collisions.

Audience: Any developer or AI agent with zero prior Nix, pip, uv, or Pulumi knowledge. Every concept is defined from first principles. Every code snippet is complete and

antoniusostermann

/** Users of your module possibly never need interfaces in this namespace. But you will. */
export namespace Configuration {

  /** Configuration defaults -> all of these keys are optional for users of your module. */
  export interface Defaults {
    /** If set to true, my module will always fail. Default = false */
    alwaysFail: boolean;
  }

  /** Required configuration options, no defaults are used here */

InfoSec812

!!
!! Implementation of JSONPatch (http://jsonpatch.com/) using PostgreSQL >= 9.5
!!

CREATE OR REPLACE FUNCTION jsonb_copy(JSONB, TEXT[], TEXT[]) RETURNS JSONB AS $$
DECLARE
  retval ALIAS FOR $1;
  src_path ALIAS FOR $2;
  dst_path ALIAS FOR $3;
  tmp_value JSONB;

garybernhardt

This document has moved!

It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.

abp

(require '[schema.core :as s])
(require '[schema.coerce :as coerce])
(require '[schema.utils :as utils])

(defn filter-schema-keys
  [m schema-keys extra-keys-walker]
  (reduce-kv (fn [m k v]
               (if (or (contains? schema-keys k)
                       (and extra-keys-walker
                            (not (utils/error? (extra-keys-walker k)))))

john2x

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences

nlothian

Taken from https://web.archive.org/web/20130517134339/http://bulba.sdsu.edu/jeanette/thesis/PennTags.html (since the source document now appears to be offline)

Penn Treebank II Tags

Note: This information comes from "Bracketing Guidelines for Treebank II Style Penn Treebank Project" - part of the documentation that comes with the Penn Treebank.

Contents:

Bracket Labels
Clause Level

jackrusher

;;; skewer-coffee.el --- skewer support for live-interactive Coffeescript

(defun skewer-coffee-eval (coffee-code)
  "Requests the browser to evaluate a coffeescipt string."
  ;; XXX should escape double quote characters
  (skewer-eval (concat "CoffeeScript.eval(\""
                       (s-replace "\n" "\\n" (s-trim coffee-code))
                       "\");")
               #'skewer-post-minibuffer))

mpasternacki

A Continuous Packaging Pipeline

A list of tools mentioned in my Ignite talk from Devopsdays Rome 2012 on a continuous packaging pipeline, with links and short description for each tool.

The talk slides are at https://speakerdeck.com/mpasternacki/a-continuous-packaging-pipeline; a longer blog post will be written soon.

Vendorificator

Available at https://github.com/3ofcoins/vendorificator/ or with gem install vendorificator

Include third party modules in your git repo, using pristine branches to sanely maintain local changes, upgrades, and merges.

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'