Most Unix/Linux systems come with python pre-installed:
$ python -V
#!/usr/bin/env python | |
import os, os.path, stat, sys, base64 | |
# TOTP lib inlined | |
import time, hmac, base64, hashlib, struct | |
def pack_counter(t): | |
return struct.pack(">Q", t) |
A curated list of AWS resources to prepare for the AWS Certifications
A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.
For more about AWS and AWS Certifications and updates to this Gist you should follow me @leonardofed
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 |
#! /usr/bin/env python | |
import redis | |
import random | |
import pylibmc | |
import sys | |
r = redis.Redis(host = 'localhost', port = 6389) | |
mc = pylibmc.Client(['localhost:11222']) |
/** | |
* 引用不同的数据,会得到不同的地图切片 | |
* 卫星(无地标) WGS-84 一般 GCJ-02 | |
* <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script> | |
* 卫星(有地标) GCJ-02 一般 GCJ-02 | |
* <script src="https://ditu.google.cn/maps/api/js?v=3.exp&sensor=false"></script> | |
*/ | |
(function (map) { | |
var Converter = function () { |
from mongoengine import * | |
class ProductList(Document): | |
name = StringField(required=True, unique=True) | |
def import_offers(self, offers): | |
for o in Offer.objects.filter(productlist=self.name): | |
o.old=True | |
o.save() |
# -*- coding: utf-8 -*- | |
from django import forms | |
from crispy_forms.helper import FormHelper | |
from crispy_forms.layout import Layout, Div, Submit, HTML, Button, Row, Field | |
from crispy_forms.bootstrap import AppendedText, PrependedText, FormActions | |
class MessageForm(forms.Form): | |
text_input = forms.CharField() |
#!/usr/bin/env python | |
# -*- python -*- | |
# | |
# Plugin to track account balances on ingdirect.com.au, using selenium gymnastics to log in | |
# | |
# E.g. | |
# ln -s /usr/share/munin/plugins/ingdirect.py /etc/munin/plugins/ingdirect | |
# | |
# Needs (hint: pip install): | |
# selenium |