Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)That's it!
| pm list packages -f |
| import time | |
| def RateLimited(maxPerSecond): | |
| minInterval = 1.0 / float(maxPerSecond) | |
| def decorate(func): | |
| lastTimeCalled = [0.0] | |
| def rateLimitedFunction(*args,**kargs): | |
| elapsed = time.clock() - lastTimeCalled[0] | |
| leftToWait = minInterval - elapsed | |
| if leftToWait>0: |
| #step 1 | |
| yum -y install python-setuptools | |
| #step 2 | |
| rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm | |
| # or | |
| # rpm -Uhv http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS//rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm | |
| #step 3 | |
| # if you using centOS 6.2 enable rpmforge-extras (enabled =1) |
Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)That's it!
| package main | |
| import ( | |
| "net" | |
| "os" | |
| ) | |
| func main() { | |
| strEcho := "Halo" | |
| servAddr := "localhost:6666" | |
| tcpAddr, err := net.ResolveTCPAddr("tcp", servAddr) |
| (function( $ ) { | |
| $.fn.simulateDragDrop = function(options) { | |
| return this.each(function() { | |
| new $.simulateDragDrop(this, options); | |
| }); | |
| }; | |
| $.simulateDragDrop = function(elem, options) { | |
| this.options = options; | |
| this.simulateEvent(elem, options); | |
| }; |
| import redis | |
| import threading | |
| class Listener(threading.Thread): | |
| def __init__(self, r, channels): | |
| threading.Thread.__init__(self) | |
| self.redis = r | |
| self.pubsub = self.redis.pubsub() | |
| self.pubsub.subscribe(channels) | |
| # the following two lines give a two-line status, with the current window highlighted | |
| hardstatus alwayslastline | |
| hardstatus string '%{= kG}[%{G}%H%? %1`%?%{g}][%= %{= kw}%-w%{+b yk} %n*%t%?(%u)%? %{-}%+w %=%{g}][%{B}%m/%d %{W}%C%A%{g}]' | |
| # huge scrollback buffer | |
| defscrollback 5000 | |
| # no welcome message | |
| startup_message off |
| (function(XHR) { | |
| "use strict"; | |
| var stats = []; | |
| var timeoutId = null; | |
| var open = XHR.prototype.open; | |
| var send = XHR.prototype.send; | |
| 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 |