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/* MIT License
 *
 * Copyright (c) namazso 2018
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

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def socketpair(family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0):
    """Emulate the Unix socketpair() function on Windows."""
    # We create a connected TCP socket. Note the trick with setblocking(0)
    # that prevents us from having to create a thread.
    lsock = socket.socket(family, type, proto)
    lsock.bind(('localhost', 0)) 
    lsock.listen(1)
    addr, port = lsock.getsockname()
    csock = socket.socket(family, type, proto)
    csock.setblocking(0)

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import requests

headers = {'Authorization': 'token <ahem>', 'Accept': ' application/vnd.github.inertia-preview+json'}

# e.g. from https://api.github.com/repos/jnm/cuddly-doodle/projects
get_url = 'https://api.github.com/projects/columns/2942196/cards'

# e.g. from https://api.github.com/orgs/kobotoolbox/projects
post_url = 'https://api.github.com/projects/columns/2942356/cards'

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0810 b' from '
0678 b' ssh2'
00d8 b'%.48s:%.48s():%d (pid=%ld)\x00'
0708 b'%s'
0108 b'/usr/sbin/sshd\x00'
0870 b'Accepted password for '
01a0 b'Accepted publickey for '
0c40 b'BN_bin2bn\x00'
06d0 b'BN_bn2bin\x00'
0958 b'BN_dup\x00'

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FAQ on the xz-utils backdoor

Background

On March 29th, 2024, a backdoor was discovered in xz-utils, a suite of software that gives developers lossless compression. This package is commonly used for compressing release tarballs, software packages, kernel images, and initramfs images. It is very widely distributed, statistically your average Linux or macOS system will have it installed for

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Post-modern Linux packaging: additional reading

Summary

This document compiles 2018 coverage around post-modern packaging technologies for Linux, including packaging formats like Snaps and Flatpaks, systems like Nix and Guix and full distros such as Atomic or Clear Linux.

This curation and commentary are current as of 18 June 2018. The curation was prepared by José Miguel Parrella (@bureado) as part of his session at Open Source Summit Japan: Package Management and Distribution in a Cloud World.

We compile these resources in an effort to provide individual developers and organizations with current coverage on the state-of-the-art and motivations of the current post-modern packaging landscape with the intention to increase readiness in experimenting with, evaluating and potentially adopting said technologies.

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import numpy as np


def xgb_quantile_eval(preds, dmatrix, quantile=0.2):
    """
    Customized evaluational metric that equals
    to quantile regression loss (also known as
    pinball loss).

    Quantile regression is regression that

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[
   {
      "name":"ABAP",
      "type":"programming",
      "extensions":[
         ".abap"
      ]
   },
   {
      "name":"AGS Script",

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C# For Python Programmers

Syntax and core concepts

Basic Syntax

• Single-line comments are started with //. Multi-line comments are started with /* and ended with */.

• C# uses braces ({ and }) instead of indentation to organize code into blocks. If a block is a single line, the braces can be omitted. For example,

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import requests
import re
import sys
from multiprocessing.dummy import Pool


def robots(host):
    r = requests.get(
        'https://web.archive.org/cdx/search/cdx\
        ?url=%s/robots.txt&output=json&fl=timestamp,original&filter=statuscode:200&collapse=digest' % host)