Innf107

{-# LANGUAGE RankNTypes, PatternSynonyms, GADTs, ViewPatterns, LambdaCase, ScopedTypeVariables #-}
module Main where
    
import Data.Map as Map
import Control.Monad (ap, liftM)
import Data.IORef

data ComeFromOp a where
    Line :: Int -> ComeFromOp ()
    LiftIO :: IO () -> ComeFromOp ()

LAK132

#ifndef __cplusplus
#  define decltype typeof
#  include <stdbool.h>
#endif
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>

#define TOKEN_CONCAT_EX(x, y) x##y
#define TOKEN_CONCAT(x, y)    TOKEN_CONCAT_EX(x, y)

IanColdwater

Mute these words in your settings here: https://twitter.com/settings/muted_keywords

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fatcerberus

Monads for the Rest of Us

by Bruce Pascoe - 1 May, 2019

"A monad is just a monoid in the category of endofunctors. What's the problem?" ~James Iry[^1]

The problem... is that there are several problems.

It's been said that monads bear a dreadful curse. Once you finally understand what they are, you begin to see them everywhere--but somehow become completely incapable of explaining them to anyone else. Many tutorial writers have tried to break the Great Curse--the Web is lousy with bold attempts and half successes that attest to this--and just as many have failed. Well, I'm here to address the elephant in the room[^2] and tell you that I intend to break the Great Curse once and for all.

There are basically two ways a monad tutorial tends to go. One is a paragraph or two of minimal descriptions of one or two common monads (Haskell's Maybe in particular is very popular), followed by a lot of intimidating Haskell syntax trying to explain--precisely--how it all fits together. This is well

lizthegrey

default['sshd']['sshd_config']['AuthenticationMethods'] = 'publickey,keyboard-interactive:pam'
default['sshd']['sshd_config']['ChallengeResponseAuthentication'] = 'yes'
default['sshd']['sshd_config']['PasswordAuthentication'] = 'no'

edolstra

This document contains some ideas for additions to the Nix language.

Motivation

The Nix package manager, Nixpkgs and NixOS currently have several problems:

• Poor discoverability of package options. Package functions have function arguments like enableFoo, but there is no way for the Nix UI to discover them, let alone to provide programmatic ways to

lf-

class left_pad:
 def __init__(this,PadChar=' ',width=4):
  this.PadChar=PadChar
  this.width = width
 def LeftPad(this,stringToPadWithChar):
  charsToPad=this.width-len(stringToPadWithChar)
  OutStr=''
  if(charsToPad>0):
   for i in range(0,charsToPad):
    OutStr=OutStr+this.PadChar

jhass

cors.py for mitmproxy

Hacking CORS restriction to enable in-browser XHR to any server.

Usage

Say you are running an web app at localhost, and you want to send XHR to http://remote-server:80, but the CORS restriction forbids access because you are sending requests from an origin that remote-server:80 does not allow.

Run:

tvogel

#!/bin/bash
#
# Purpose: manually associate missed renames in merge conflicts
#
# Usage: git merge-associate <our-target> <base> <theirs>
#
# Example: After a failed rename detection A/a -> B/b which results
# in CONFLICT (delete/modify) for A/a and corresponding "deleted by us"
# messages in git status, the following invocation can be used to manually
# establish the link: