jamesdavidson

// dotnet --version
// 7.0.100
// dotnet restore
// dotnet run
// rlwrap nc localhost 5555

using System;
using System.IO;
using System.Net;
using System.Net.Http;

jamesdavidson

-- https://stackoverflow.com/a/70312948

WITH
  extant AS (
    SELECT id FROM access_code WHERE ("value") = ('asdf')
  ),
  inserted AS (
    INSERT INTO access_code ("value")
    SELECT 'asdf'
    WHERE NOT EXISTS (SELECT FROM extant)

jamesdavidson

# 12th July 2023

# trying out https://www.daemonology.net/blog/2021-08-12-EC2-boot-time-benchmarking.html

cloudshell-user@ip-10-2-80-7 infra]$ history
    1  git clone https://github.com/cperciva/ec2-boot-bench
    2  cd ~/ec2-boot-bench/
    3  ls
    4  cat BUILDING 
    5  ./configure

jamesdavidson

;; org.clojure/clojure {:mvn/version "1.11.1"}
;; com.github.librepdf/openpdf {:mvn/version "1.3.30"}

(import 'com.lowagie.text.Document)
(import 'com.lowagie.text.Image)
(import 'com.lowagie.text.PageSize)
(import 'com.lowagie.text.pdf.PdfWriter)

(def doc (new Document))
(def os (io/output-stream "output.pdf"))

jamesdavidson

;;  clj -Sdeps '{:deps {org.apache.poi/poi {:mvn/version "4.1.1"} org.apache.poi/poi-ooxml {:mvn/version "4.1.1"}}}'

;; based on https://stackoverflow.com/questions/59061235/apache-poi-manage-scatter-chart

(ns user
 (:import [org.apache.poi.xssf.usermodel XSSFWorkbook]
          [org.apache.poi.ss.util CellRangeAddress]
          [org.apache.poi.xddf.usermodel.chart XDDFDataSourcesFactory ChartTypes AxisCrosses AxisPosition MarkerStyle]
          [org.apache.poi.ss.usermodel.charts LegendPosition]
          [java.io FileOutputStream]))

jamesdavidson

(binding [*ns* (find-ns 'some.other.namespace)]
 (with-open [config (java.io.PushbackReader. (java.io.FileReader. "config.clj"))]
  (loop []
   (when-let [form (read {:eof nil} config)]
    (do (eval form) (recur))))))

;; see also https://gist.github.com/vkz/4c32cdff75ba7254ed0c

jamesdavidson

;; Deep Learning Base AMI (Amazon Linux 2) Version 22.0 (ami-0c9d86eac25c03fea)
;; p2.xlarge
;; $ nvidia-smi --list-gpus
;; GPU 0: Tesla K80 (UUID: GPU-3e0d6827-3d8e-5a5f-85d6-114d950f6d44)
;;
;; $ cat /etc/os-release 
;; NAME="Amazon Linux"
;; VERSION="2"
;; ID="amzn"
;; ID_LIKE="centos rhel fedora"

jamesdavidson

(import
 [javax.sound.sampled TargetDataLine AudioFormat AudioSystem AudioInputStream AudioFileFormat$Type DataLine$Info]
 [java.io File ByteArrayInputStream])

(def audio-format (new AudioFormat 44100 16 2 true true))
(def info (new DataLine$Info TargetDataLine audio-format))
(assert (AudioSystem/isLineSupported info))
(def line (AudioSystem/getTargetDataLine audio-format))
(.open line)
(.start line)

jamesdavidson

# In this program there is a queue implemented as a list protected by a
# mutex so that the producer can run on one thread and the consumer can
# run on another thread. The dequeue_all method will return an empty list
# if there is no work (it does not block its caller).

from random import random
from random import shuffle
from time import sleep
from threading import Lock
from _thread import start_new_thread

jamesdavidson

PACKAGE = cmdline-jmxclient
PACKAGE_VERSION = 0.10.3
JAR = $(PACKAGE)-$(PACKAGE_VERSION).jar

EXTRA_DIST = Makefile

RPM_TOPDIR := $(HOME)/rpmbuild

$(JAR):
	curl -s -o $(JAR) http://crawler.archive.org/cmdline-jmxclient/$(JAR)