198d

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-20.09";
  };

  outputs = {self, nixpkgs}: {
    packages."x86_64-linux" = with nixpkgs.legacyPackages."x86_64-linux"; rec {
      erlang_24 = erlang.overrideAttrs (oldAttrs: rec {
        name = "erlang-${version}";
        version = "24.0";

198d

with import <nixpkgs> { };

let
  rubyVersion = "2.3.6";
  rubygemsVersion = "2.7.6";
  rubygemsSrc = fetchurl {
    url = "http://production.cf.rubygems.org/rubygems/rubygems-${rubygemsVersion}.tgz";
    sha256 = "1sqy6z1kngq91nxmv1hw4xhw1ycwx9s76hfbpcdlgkm9haji9xv7";
  };
  rubySrc = fetchurl {

198d

import functools
from pprint import pprint
from queue import Queue


class TransitionEvent:
    def __init__(self, from_state, to_state):
        self.from_state = from_state
        self.to_state = to_state

198d

[    0.000000] Linux version 4.9.85 (nixbld@localhost) (gcc version 7.3.0 (GCC) ) #1-NixOS SMP Wed Feb 28 09:18:34 UTC 2018
[    0.000000] Command line: earlyprintk=serial console=ttyS0 boot.trace root=LABEL=NIXOS_ISO
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[    0.000000] x86/fpu: Using 'eager' FPU context switches.
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable

198d

#lang racket
(require ffi/unsafe
         ffi/unsafe/define)


(define-ffi-definer define-libc (ffi-lib #f))


(define-libc ioctl (_fun #:save-errno 'posix
                         (fd : _int) (request : _ulong) (data : _pointer)

198d

hello from the web server

198d

import logging


class LogStream(object):
    def __init__(self, logger='logstream', log_level='INFO', **extra):
        self.logger = logging.getLogger(logger)
        self.log_level = getattr(logging, log_level, 'INFO')
        self.extra = extra

    def __call__(self, data):

198d

repositories:
    s3:
        bucket: "my-snapshots-bucket"
        region: "us-east-1"

198d

=> (defmacro with-g [&rest args] (with-gensyms [sym] `(let [[~sym 10]] (print ~sym))))
=> (with-g)
10
=> (defmacro/g! g-bang [&rest args] `(let [[~g!sym 10]] (print ~g!sym)))
  File "<input>", line 1, column 1

  (defmacro/g! g-bang [&rest args] `(let [[~g!sym 10]] (print ~g!sym)))
  ^-------------------------------------------------------------------^
HyMacroExpansionError: `defmacro/g!' object has no attribute 'startswith'

198d

(with-context {:var "value" :var2 "value2"}
  (with-context {:var "different value"}
    (do-something)) ; {:var "different value" :var2 "value2"}
  (do-something) ; {:var "value" :var2 "value2"}
  (with-context {:var3 "value3"}
    (do-something))) ; {:var "value" :var2 "value2" :var3 "value3"}