Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts of models in prod eagerly sought.
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import csv | |
import argparse | |
parser = argparse.ArgumentParser() | |
parser.add_argument('--field', help='field number to output') | |
parser.add_argument('--filename', help='filename to parse') | |
args = parser.parse_args() | |
with open(args.filename) as csvfile: | |
fields = csv.reader(csvfile) |
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sudo apt-get update | |
sudo apt-get install build-essential chrpath libssl-dev libxft-dev -y | |
sudo apt-get install libfreetype6 libfreetype6-dev -y | |
sudo apt-get install libfontconfig1 libfontconfig1-dev -y | |
cd ~ | |
export PHANTOM_JS="phantomjs-2.1.1-linux-x86_64" | |
wget https://github.com/Medium/phantomjs/releases/download/v2.1.1/$PHANTOM_JS.tar.bz2 | |
sudo tar xvjf $PHANTOM_JS.tar.bz2 | |
sudo mv $PHANTOM_JS /usr/local/share | |
sudo ln -sf /usr/local/share/$PHANTOM_JS/bin/phantomjs /usr/local/bin |
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.
elem.offsetLeft
,elem.offsetTop
,elem.offsetWidth
,elem.offsetHeight
,elem.offsetParent
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class API::V1::BaseController < ApplicationController | |
skip_before_filter :verify_authenticity_token | |
before_filter :cors_preflight_check | |
after_filter :cors_set_access_control_headers | |
def cors_set_access_control_headers | |
headers['Access-Control-Allow-Origin'] = '*' | |
headers['Access-Control-Allow-Methods'] = 'POST, GET, PUT, DELETE, OPTIONS' |
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This is free and unencumbered software released into the public domain. | |
Anyone is free to copy, modify, publish, use, compile, sell, or | |
distribute this software, either in source code form or as a compiled | |
binary, for any purpose, commercial or non-commercial, and by any | |
means. | |
In jurisdictions that recognize copyright laws, the author or authors | |
of this software dedicate any and all copyright interest in the | |
software to the public domain. We make this dedication for the benefit |
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#Model | |
@user.should have(1).error_on(:username) # Checks whether there is an error in username | |
@user.errors[:username].should include("can't be blank") # check for the error message | |
#Rendering | |
response.should render_template(:index) | |
#Redirecting | |
response.should redirect_to(movies_path) |
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// Original code from http://www.blog.highub.com/mobile-2/a-fix-for-iphone-viewport-scale-bug/ | |
var metas = document.getElementsByTagName('meta'); | |
var i; | |
if (navigator.userAgent.match(/iPhone/i)) { | |
for (i=0; i<metas.length; i++) { | |
if (metas[i].name == "viewport") { | |
metas[i].content = "width=device-width, minimum-scale=1.0, maximum-scale=1.0"; | |
} | |
} |
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