(by @andrestaltz)
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.
*~ | |
bundle.js | |
bundle.min.js | |
node_modules |
// JS array equivalents to C# LINQ methods - by Dan B. | |
// First: This version using older JavaScript notation for universal browser support (scroll down for ES6 version): | |
// Here's a simple array of "person" objects | |
var people = [ | |
{ name: "John", age: 20 }, | |
{ name: "Mary", age: 35 }, | |
{ name: "Arthur", age: 78 }, | |
{ name: "Mike", age: 27 }, |
(by @andrestaltz)
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.
#!/bin/bash | |
/etc/init.d/rabbitmq-server stop | |
for x in $(ps -ef | grep -v grep | grep rabbit | awk '{print $2}'); do kill -9 $x; echo "Process id $x is killed"; done | |
rm /var/lib/rabbitmq/.erlang.cookie | |
rm -rf /var/lib/rabbitmq/mnesia/ | |
rm -rf /etc/rabbitmq/ | |
apt-get remove --purge rabbitmq-server | |
apt-get autoremove | |
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
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 |