View gist:3550052
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package main | |
import ( | |
"net/http" | |
"net/url" | |
"log" | |
"io/ioutil" | |
"regexp" | |
"fmt" | |
//"net/http/httputil" |
View gist:3377100
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package main | |
import ( | |
"net" | |
"log" | |
"fmt" | |
"bufio" | |
"strings" | |
"strconv" | |
"io" |
View gist:3293029
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var QBuffer = exports.QBuffer= function(){ | |
this.list = [] | |
this.length = 0 | |
} | |
QBuffer.prototype.append=function(chunk){ | |
this.list.push(chunk) | |
this.length += chunk.length | |
} |
View gist:3291755
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//author: Sun, Junyi (weibo.com/treapdb) | |
//usage: node --nouse-idle-notification --expose-gc --max-old-space-size=8192 memcached.js | |
var config ={ | |
port: 11211, | |
max_memory: 300 // default 100M bytes | |
} | |
var net = require('net'); | |
var LRU = function (max) { // this LRU implementaion is based on https://github.com/chriso/lru |
View gist:3244607
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/* Simple Memcached in Javascript | |
* @Author: Sun, Junyi | |
* @Email: ccnusjy@gmail.com | |
* @Date: 2012-8-3 | |
*/ | |
var net = require('net'); | |
var store = {} | |
function handle_header(header,crlf_len){ | |
var tup = header.split(" ") |
View gist:3158805
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import random | |
import time | |
size=100000000 | |
t1 = time.time() | |
f=open('x.db','wb') | |
f.write('x'*size) | |
f.close() | |
print 'write:', time.time()-t1 | |
f=open('x.db','rb') | |
t2=time.time() |
View gist:3009412
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var http=require('http') | |
url =require("url") | |
var cluster = require('cluster'); | |
if (cluster.isMaster) { | |
// Fork workers. | |
for (var i = 0; i < 20; i++) { | |
cluster.fork(); | |
} |
View gist:2934746
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#!/usr/bin/env python | |
# Problem: http://www.weibo.com/2090476735/ynJtWvN1K | |
# junyi sun (weibo.com/treapdb) | |
from numpy import * | |
def Q(L): | |
H = [0]*11 | |
H[0] = 1 #bias item | |
for x in L: | |
H[x+1]+=1 |
View gist:2928683
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# Back-Propagation Neural Networks | |
# another way: solve it as a Regression Problem | |
# Written in Python. See http://www.python.org/ | |
# Modified by JSun to solve the problem here: http://www.weibo.com/1497035431/ynPEvC78V | |
# Neil Schemenauer <nas@arctrix.com> | |
import math | |
import random | |
import string |
View bpnn_digit.py
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# Back-Propagation Neural Networks | |
# | |
# Written in Python. See http://www.python.org/ | |
# Modified by JSun to solve the problem here: http://www.weibo.com/1497035431/ynPEvC78V | |
# Neil Schemenauer <nas@arctrix.com> | |
import math | |
import random | |
import string |
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