peterschwarz

use std::cell::RefCell;
use std::cmp::Ord;
use std::collections::BinaryHeap;
use std::sync::mpsc::{channel, Receiver, RecvError, Sender, TryRecvError};

pub struct PriorityReceiver<T>
where
    T: Ord,
{
    internal: Receiver<T>,

nickjacob

[Unit]
Description=Demonstrate Bash

[Service]
ExecStartPre=/usr/bin/bash -c "/usr/bin/systemctl set-environment MYVAR=$(( 2 + 2 ))"
ExecStart=/usr/bin/echo "2 + 2 = ${MYVAR}"

hsiboy

/*
 * Wiegand API Raspberry Pi
 * By Kyle Mallory All rights reserved.
 * 12/01/2013
 * Based on previous code by Daniel Smith (www.pagemac.com) and Ben Kent (www.pidoorman.com)
 * Depends on the wiringPi library by Gordon Henterson: https://projects.drogon.net/raspberry-pi/wiringpi/
 *
 * This is linked with -lpthread -lwiringPi -lrt
 *
 * The Wiegand interface has two data lines, DATA0 and DATA1.  These lines are normall held

tskaggs

Convert MOV to GIF using FFmpeg and ImageMagick

I tried a few different techniques to make a GIF via command-line and the following gives me the best control of quality and size. Once you're all setup, you'll be pumping out GIFs in no time!

Preparation

Install FFmpeg

• $ brew install ffmpeg [all your options]
  • Example: $ brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-frei0r --with-libass --with-libvo-aacenc --with-libvorbis --with-libvpx --with-opencore-amr --with-openjpeg --with-opus --with-rtmpdump --with-schroedinger --with-speex --with-theora --with-tools

Install ImageMagick

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application: