adrienjoly

Problem

If you're getting this kind of error when running Node.js programs with binary dependencies that don't support M1 yet, e.g.:

$ yarn test
dyld[51175]: missing symbol called
dyld[51176]: missing symbol called

PJUllrich

Big-O Time Complexities for Elixir data structures

Map [1]

Operation	Time Complexity
Access	O(log n)
Search	O(log n)
Insertion	O(n) for <= 32 elements, O(log n) for > 32 elements [2]
Deletion	O(n) for <= 32 elements, O(log n) for > 32 elements

pdamoc

Instructions

• compile the SendToPort.elm to elm.js

    elm-make SendToPort.elm --output elm.js

• open SendToPort.html

Observations

thesamet

def reverseProxy = Action.async(parse.raw) {
  request: Request[RawBuffer] =>
    // Create the request to the upstream server:
    val proxyRequest =
      WS.url("http://localhost:8887" + request.path)
        .withFollowRedirects(false)
        .withMethod(request.method)
        .withVirtualHost("localhost:9000")
        .withHeaders(flattenMultiMap(request.headers.toMap): _*)
        .withQueryString(request.queryString.mapValues(_.head).toSeq: _*)

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

dominictarr

High level style in javascript.

Opinions are like assholes, every one has got one.

This one is mine.

Punctuation: who cares?

Punctuation is a bikeshed. Put your semicolons, whitespace, and commas where you like them.

willf

/** 
 * From a file that contains
 * doc_id w1 w2 w3 ... lines, separated by tabs
 * return an inverted index Map of w -> Set(doc_id) 
 * 
 * @param filename well isn't it obvious
 * @return Map[String,Set[String]]
 */
import scala.collection.immutable.Map

tsabat

Prereq:

apt-get install zsh
apt-get install git-core

Getting zsh to work in ubuntu is weird, since sh does not understand the source command. So, you do this to install zsh

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh