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/* | |
* base58.js | |
* - encodes integers to and decodes from a base58 (or your own) base58 alphabet | |
* - based on Flickr's url shortening | |
* | |
* usage: | |
* base58.encode(integer); | |
* base58.decode(string); | |
* | |
* (c) 2012 inflammable/raromachine |
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from threading import Timer | |
def debounce(wait): | |
""" Decorator that will postpone a functions | |
execution until after wait seconds | |
have elapsed since the last time it was invoked. """ | |
def decorator(fn): | |
def debounced(*args, **kwargs): | |
def call_it(): |
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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 |
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// convert 0..255 R,G,B values to binary string | |
RGBToBin = function(r,g,b){ | |
var bin = r << 16 | g << 8 | b; | |
return (function(h){ | |
return new Array(25-h.length).join("0")+h | |
})(bin.toString(2)) | |
} | |
// convert 0..255 R,G,B values to a hexidecimal color string | |
RGBToHex = function(r,g,b){ |
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#!/usr/bin/python | |
import sys #for cmd line argv | |
#take command line args as the input string | |
input_string = sys.argv | |
#remove the program name from the argv list | |
input_string.pop(0) | |
#convert to google friendly url (with + replacing spaces) |
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