Martin-Pitt

// Target state
var tx = 0;
var ty = 0;
var scale = 1;

function visualiseTargetState() {
	box.style.transform = `translate(${tx}px, ${ty}px) scale(${scale})`;
}

overtrue

// 1. 使用 chrome 打开 weibo.com （确保你登录了微博）
// 2. 打开调试窗口，在 console 中贴下面的代码后回车
// 数据来自：https://github.com/yu961549745/WeiboBlackList


let dogs = [ 5471246591, 5209943797, 1709070650, 1887921907, 1824515351, 6031549751, 3477430640, 5303365027, 2397004535, 5014141958, 2357033797, 2253196910, 1282371413, 5433169859, 5577097996, 2477460747, 5791757379, 3973075219, 5480191060, 5064046310, 1794010902, 5241254653, 1775613335, 1749775825, 2898929101, 1766122373, 5330205046, 5836217079, 2143736030, 5088125436, 2122838230, 2379528185, 5768433920, 1588830357, 2734746975, 1702267517, 3305446403, 1922854483, 2240459775, 1713064495, 3141318761, 3049734521, 1297708027, 1670201221, 1113091931, 2682353630, 1889031894, 5736617825, 5573535479, 1787098822, 5474940961, 2647495542, 1978558182, 5675487085, 2066669447, 1410124131, 3318338712, 5117947348, 5984813988, 1935760780, 2106405744, 1658278557, 3123751063, 2418980745, 5612086708, 2822792580, 2728966594, 5651704821, 3174983660, 2884830430, 1409910532, 5289026864, 5460203843, 30409

subzey

devicePixelRatio is an amount of device pixels in a css pixel, in one dimension.

For example, devicePixelRatio = 2 means, 2 x 2 = 4 device pixels acts as one css pixel.

It depends both on physical device properties ("retina") and a page scaling set in browser.

Here's a top-10:

devicePixelRatio	Percentage	Comment

kirilkirkov

Interlaced image loads an early degraded version of the whole image as soon as possible and then progressively renders the image to clear state.

Non-interlaced image will load up in tiles showing clear image in each tile as it progresses to load in the image.

For .jpg the interlaced = progressive and not interlaced = baseline.

denilsonsa

Embed VTT subtitles into HTML

Objective

I have a video file on my local disk. I also have some subtitles (in HTML5's [WebVTT][] format).

I want to create an HTML file to play that video with subtitles, all from the local filesystem.

Problem

thoolihan

sudo yum -y install epel-release
sudo yum -y install gcc gcc-c++ python-pip python-devel atlas atlas-devel gcc-gfortran openssl-devel libffi-devel
# use pip or pip3 as you prefer for python or python3
pip install --upgrade virtualenv
virtualenv --system-site-packages ~/venvs/tensorflow
source ~/venvs/tensorflow/bin/activate
pip install --upgrade numpy scipy wheel cryptography #optional
pip install --upgrade https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.10.0rc0-cp35-cp35m-linux_x86_64.whl
# or below if you want gpu, support, but cuda and cudnn are required, see docs for more install instructions
pip install --upgrade https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow-0.10.0rc0-cp35-cp35m-linux_x86_64.whl

ihciah

科学搭建国内VPN转发服务器

简介

• 简单拓扑结构：国内-(ocserv)-国内中转服务器-(shadowvpn)-国外服务器
• 实验环境：用户终端为iPhone，中转服务器及国外服务器均为Ubuntu 14.04

搭建过程

• 搭建Ocserv
  • 打开ftp://ftp.infradead.org/pub/ocserv/找到最新版本并下载、解压
  • 安装依赖:

jonathanpmartins

#!/bin/bash
sudo add-apt-repository ppa:chris-lea/libsodium;
sudo echo "deb http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list;
sudo echo "deb-src http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list;
sudo apt-get update && sudo apt-get install libsodium-dev;

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

wintercn

        function get(uri) {
            return http(uri,'GET');
        }
        function post(uri,data) {
            if(typeof data === 'object' && !(data instanceof String || (FormData && data instanceof FormData))) {
                var params = [];
                for(var p in data) {
                    if(data[p] instanceof Array) {
                        for(var i = 0; i < data[p].length; i++) {
                            params.push( encodeURIComponenet(p) + '[]=' + encodeURIComponenet(data[p][i]);