deenjohn

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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deenjohn

react internals discussion

React: a robust functional view layer.

View code and templating are combined as JavaScript.

In JavaScript you create a virtual DOM, react diffs changes between the last virtual DOM and the next, mutating the real DOM only as necessary to reflect the changes. This has huge implications for cognitive

deenjohn

function unzipAll()
{
    for file in `ls | /bin/grep zip`; do 
        local base_name="${file%.*}"
        rm -rf $base_name 
        mkdir $base_name
        unzip $file -d $base_name
        rm $file
    done
}

deenjohn

package de.YonasCode.TheCore.MultiMap;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Set;

public class MultiMap<A, B, C> implements Cloneable, Iterable<A>, Serializable {

deenjohn

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

deenjohn

Open source beginner bugs

This is a list of JavaScript projects on Github that label issues as easy or beginner-friendly.

• beginner
  • eslint/eslint
  • mozilla/pdf.js
  • TryGhost/Ghost
  • AnalyticalGraphicsInc/Cesium
  • larvalabs/pullup