sandipb

#!/bin/bash

set -e -o pipefail

usage() {
    cat <<HELP

USAGE: $0 PDF_FILE [OUTPUT_DIR|OUTPUT_FILE]

Decrypts given pdf file usingh qpdf by prompting for a password.

sandipb

#!/bin/bash

# $PRIVATE_IF is private lan, $PUBLIC_IF is public lan

# the interface which is connected to the interface.
# The default route of this host is already set via this interface
PUBLIC_IF=enp1s0

# The interface connecting to the internal lan, which needs this host to be a router to the Internet
PRIVATE_IF=enp2s0

sandipb

$ mkdir dtemp

$ cd dtemp

$ poetry init

This command will guide you through creating your pyproject.toml config.

Package name [dtemp]:  Django Test

sandipb

$data = [
  {'name'=> 'emily', 'age'=> 6},
  {'name'=> 'john', 'age'=> 5},
  {'name'=> 'jade', 'age'=> 4},
  {'name'=> 'grant', 'age'=> 2},
]

function age_sorted_names($ar) >> Array {
  $ar.map |$idx, $entry| {
    [$entry['age'], $entry['name']]

sandipb

Fix problem when cups-pdf (actually Ghostscript) refuses to print PDF files with restrictions

Specifically, even if the file has no printing restrictions, like many government forms do (my specific itch), Ghostscript refuses to print the file and generates a blank pdf.

Steps to fix

1. Put contents of unblockprint.sh in an executable file named /usr/lib/cups/filter/unblockprint. Make sure that the permissions of this file matches others in the same directory.
2. Put local.convs in /etc/cups

sandipb

---
- hosts: ubuntu
  gather_facts: yes
  vars:
    kernel_does_not_match: "{{ (ansible_distribution == 'Ubuntu') and ( ansible_kernel != '5.4.0-86-generic') }}"
    output_path_local: /tmp/host_kernels

  tasks:
    - block:
        - name: Add matching host to file

sandipb

More details in my blogpost at https://blog.sandipb.net/2020/08/05/notes-on-the-httprouter-golang-library/

sandipb

#!/bin/bash
# set -x
set -e
cd $(dirname $0)

# The path to the homebrew install on mac. Change to point to your own installation
OPENSSL="/usr/local/Cellar/openssl@1.1/1.1.1g/bin/openssl"
NAME=${1:?Need a hostname for generating certs}
DAYS=375
export SAN="DNS:$NAME"

sandipb

import json
import ujson
from timeit import repeat


def decode_json(data):
    json.loads(data)


def decode_ujson(data, precise=False):

sandipb

from __future__ import print_function
import ujson, json
data = '{ "prod-lsg1": { "max_float": 0.0046288111 } }'

print("json dumps, w/o precise float: ", json.dumps(ujson.loads(data)))
print("json dumps, w/  precise float: ",json.dumps(ujson.loads(data, precise_float=True)))
print("ujson dumps, w/o precise float: ", ujson.dumps(ujson.loads(data)))
print("ujson dumps, w/  precise float: ",ujson.dumps(ujson.loads(data, precise_float=True)))