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{
  "sort": ["_doc"],
  "size": 100,
  "query": {
    "bool": {
      "must": {
        "match_all": {}
      },
      "filter": {
        ...

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Ubuntu 16.04 systemd service setup

Enable persistent user systemd services

loginctl enable-linger $user

Create a user systemd directory

mkdir ~/.config/systemd/user

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use std::path::{Path, PathBuf};

struct Model {
    u: f32,
}

fn texture_fname(path: &Path) -> PathBuf {
    let fullname = format!("{}{}", path.file_stem().unwrap().to_str().unwrap(), "_diffuse");

    let mut buf = PathBuf::from(path);

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As soon as I saw the new YouTube Player and its new morphing play/pause button, I wanted to understand how it was made and replicate it myself.

From my analysis it looks like YouTube is using [SMIL animations][1]. I could not get those animations to work on browsers other than Chrome and it appears [that they are deprecated and will be removed][2]. I settled for the following technique:

1. Define the icon path elements inside a defs element. These paths are not drawn.

2. Draw one icon by definining a use element whose xlink:href attribute points to one of the icons. Simply [changing this attribute to point to the other icon is enough to swap them out][3], but this switch is not animated. To do that,

3. Substitute the use for the actual path when the page is loaded.

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#![allow(unused_variables)]
#![allow(unused_imports)]

use std::env;
use std::process;
use std::thread;
use std::io::{self, Read, Write, Error};
use std::net::TcpStream;
use std::net::TcpListener;

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#Postgres

##Create Postgres Dockerfile

#create fresh postgres image  
docker build -t postgres .

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// just include d3js and add animaDur in ms to marker's option

L.SVG.prototype._setPath = function(layer,path){ 
	if(layer.options.animaDur)
		d3.select(layer._path).transition().duration(layer.options.animaDur).ease('linear').attr('d',path)
	else
		layer._path.setAttribute('d', path); 
}

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/* Copyright (C) 2017 Andrew Ayer
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included

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/*
 * Demonstrates that an RSA signature does not uniquely identify a public key.
 * Given a signature, s, and a message m, it's possible to construct a new RSA key
 * pair such that s is a valid signature for m under the new key pair.
 *
 * Requires Go version >= 1.5.  Go <= 1.4 doesn't work due to a bug in the bignum
 * package: https://github.com/golang/go/issues/9826
 *
 * Written in 2015 by Andrew Ayer <agwa@andrewayer.name>
 *

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/*
 * Demonstrates that LibreSSL's PRNG is not fork-safe on Linux.
 * See https://www.agwa.name/blog/post/libressls_prng_is_unsafe_on_linux
 * This code is in the public domain.
 */

#include <openssl/rand.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>