kitelife

使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"

kitelife

class CORSResource(object):
    """
    Adds CORS headers to resources that subclass this.
    """
    def create_response(self, *args, **kwargs):
        response = super(CORSResource, self).create_response(*args, **kwargs)
        response['Access-Control-Allow-Origin'] = '*'
        response['Access-Control-Allow-Headers'] = 'Content-Type'
        return response

kitelife

Channels Are Not Enough

... or Why Pipelining Is Not That Easy

Golang Concurrency Patterns for brave and smart.

By @kachayev

Intro

kitelife

#! /usr/bin/env python
import argparse
import sys
import re
import time

line_nginx_full = re.compile(r"""(?P<ipaddress>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) - - \[(?P<dateandtime>\d{2}\/[a-z]{3}\/\d{4}:\d{2}:\d{2}:\d{2} (\+|\-)\d{4})\] ((\"(GET|POST) )(?P<url>.+)(http\/1\.1")) (?P<statuscode>\d{3}) (?P<bytessent>\d+) (["](?P<refferer>(\-)|(.+))["]) (["](?P<useragent>.+)["])""", 
    re.IGNORECASE)

line_nginx_onlyStatus = re.compile(r'.+HTTP\/1\.1" (?P<statuscode>\d{3})')

kitelife

An Anonymous Pen

A text filling with water animation, for preloaders and such.

A Pen by Anonasaurus Rex on CodePen.

License.

kitelife

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Modify by linuz.ly
package main

import (
    "bytes"
    "fmt"
    "code.google.com/p/go.crypto/ssh"

kitelife

// https://blogs.oracle.com/janp/entry/how_the_scp_protocol_works
package main

import (
	"code.google.com/p/go.crypto/ssh"
	"crypto"
	"crypto/rsa"
	"crypto/x509"
	"encoding/pem"
	"fmt"

kitelife

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Scaling Twitter: Making Twitter 10000 Percent Faster
• Scaling Twitter
• Blaine Cook on Scaling Twitter - YouTube

kitelife

/* Flatten das boostrap */
.well, .navbar-inner, .popover, .btn, .tooltip, input, select, textarea, pre, .progress, .modal, .add-on, .alert, .table-bordered, .nav>.active>a, .dropdown-menu, .tooltip-inner, .badge, .label, .img-polaroid {
  -moz-box-shadow: none !important;
	-webkit-box-shadow: none !important;
	box-shadow: none !important;
	-webkit-border-radius: 0px !important;
	-moz-border-radius: 0px !important;
	border-radius: 0px !important;
	border-collapse: collapse !important;
	background-image: none !important;

kitelife

    def profile_func(filename=None):
        def proffunc(f):
            def profiled_func(*args, **kwargs):
                import cProfile
                import logging
                logging.info('Profiling function %s' % (f.__name__))
                try:
                    profiler = cProfile.Profile()
                    retval = profiler.runcall(f, *args, **kwargs)
                    profiler.dump_stats(filename or '%s_func.profile' % (f.__name__))