Thursday 31 July 2014

Why local state is a fundamental primitive in stream processing

One of the concepts that has proven the hardest to explain to people when I talk about Samza is the idea of fault-tolerant local state for stream processing. I think people are so used to the idea of keeping all …



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Eloquent JavaScript Teaches You JavaScript for Free

Eloquent JavaScript Teaches You JavaScript for Free


These days, there's no dearth of great resources for learning to code . Here's another great one, a 21-chapter book posted online and chock full of JavaScript training.


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What does it really cost to open an indie studio? All your money, most of your life





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A 3D(ollar) Scanner

scanner


Once you have a 3D printer, making copies of objects like a futuristic Xerox machine is the name of the game. There are, of course, 3D scanners available for hundreds of dollars, but [Joshua] wanted something a bit cheaper. He built his own 3D scanner for exactly $2.73 in parts, salvaging the rest from the parts bin at his local hackerspace.


[Josh]‘s scanner is pretty much just a lazy suzan (that’s where he spent the money), with a stepper motor drive. A beam of laser light shines on whatever object is placed on the lazy suzan, and a USB … Read the rest






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Four short links: 31 July 2014

Ocrad.js — open source OCR in Javascript, a port of GNU Ocrad software. HP’s IoT Security Research (PDF) — 70% of devices use unencrypted network services, 90% of devices collected at least one piece of personal information, 60% of those …



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Google, Linaro Develop Custom Android Edition For Project Ara

rtoz writes with this excerpt from an IDG story about the creation of an Android fork made just for Google's modular cell-phone project : A special edition of Android had to be created for the unique customizable design of Project Ara, said George Grey, CEO of Linaro. ... Android can already plug and play SD cards. But Grey said additional OS functionality is needed for storage, cameras and other modules that are typically inside smartphones, but can now be externally added to Project Ara. A lot of work is also being done on UniPro transport drivers, which connect modules and components in Project Ara. UniPro protocol drivers in Android will function much like the USB protocol, where modules will be recognized based on different driver "classes," such as those for networking, sensor, imaging, input and others. Some attachable parts may not be recognized by Android. For those parts, separate drivers need to be developed by module makers through emulators. "That will be need to be done in a secure system so the device can't do damage to the system," Grey said. Project Ara is a very disruptive concept, and it turns around conventional thinking on how to build phones, Grey said.

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Wednesday 30 July 2014

Google I/O 2014 App Source Code Now Available





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Linode Releases Open Source Cloud Hosting Documentation


Infrastructure-as-a-service (IaaS) server and cloud hosting provider Linode declared its library of guides and tutorials "open source" this week, inviting the community to peruse and contribute to the documentation for deploying cloud applications on the company's open source-friendly platform.


The guides and tutorials, which the company calls the Linode Library, has been around for five years. But they're now available in full on GitHub, where anyone can access and modify them, as well as add new content.


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Crate – Easy to Scale Real Time SQL Data Store

Crate Data is a shared-nothing, fully searchable, document-oriented cluster data store. It is also 100 % open source. They built it so developers with a data intensive back-end won’t need to “glue” several technologies together to store documents, blobs and support real-time search. They also wanted to help developers avoid the manual work associated with [...]


The post Crate – Easy to Scale Real Time SQL Data Store appeared first on WebAppers.


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Four short links: 30 July 2014

Offline First is the New Mobile First — Luke Wroblewski’s notes from John Allsopp’s talk about “Breaking Development” in Nashville. Offline technologies don’t just give us sites that work offline, they improve performance, and security by minimizing the need for …



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Why I'm in love with this sweet game about a little girl in Alaska





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Unreal Tournament Looks Great For Team Deathmatch

Another day, another exciting video for the new Unreal Tournament gets released by Epic Games, with Linux gamers viewing in excitement as it's been years since an Unreal release for Linux...



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Eloquent JavaScript, seconda edizione

E’ disponibile per la consultazione online la seconda edizione di Eloquent JavaScript, opera scritta dallo sviluppatore e tech writer tedesco Marijn Haverbeke; il testo, interamente dedicato al noto linguaggio di scripting, è stato rilasciato sotto licenza Creative Commons per utilizzo non commerciale, mentre tutti gli esempio di codice sorgente in esso contenuti sono tutelati tramite licenza permissiva MIT.


Come spiegato attraverso l’introduzione del testo, nelle intenzioni dell’autore “Eloquent JavaScript” vorrebbe essere un libro dedicato ad insegnare i costrutti, le regole sintattiche, le nozioni e le tecniche necessarie perché un computer effettui le operazioni che lo sviluppatore desidera esso …


The post Eloquent JavaScript, seconda edizione appeared first on Edit.







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Google's 64-bit Chrome browser for Windows is available in beta

If you've wanted to try the 64-bit version of Chrome for Windows 7 and 8 but have been skittish about the flakiness of very early builds, your moment has come -- Google has released a beta of its beefed-up browser. As with the Canary and developer...



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BitTorrent Launches Bleep, a Serverless, Anonymous Chat Client

BitTorrent Launches Bleep, a Serverless, Anonymous Chat Client


BitTorrent just opened up invitations for its pre-alpha version of Bleep, a chat client that's structured around anonymity and works similar to a peer-to-peer network.


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How To Write a Realtime Chat App in 10 Lines of Code

This article was published as a part of ProgrammableWeb's Sponsored Content Program.






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Tuesday 29 July 2014

Testbed will help clouds and networks shake hands

A network testbed being constructed just south of San Francisco will help carriers and vendors develop standards for better cloud services, the CloudEthernet Forum says.

















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Four short links: 29 July 2014

Online Community Detection for Large Complex Networks (PLosONE) — readable recount of earlier algorithms and inventions in the area, as well as a new algorithm with linear time complexity for large complex networks. sel4 — open source OS kernel (GPLv2, …



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Monday 28 July 2014

Amazon Launches 3D Printing Store

Customers can create their own items for as low as about $30 USD



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Four short links: 28 July 2014

streisand — sets up a new server running L2TP/IPsec, OpenSSH, OpenVPN, Shadowsocks, Stunnel, and a Tor bridge. It also generates custom configuration instructions for all of these services. At the end of the run you are given an HTML file …



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Meson: A Next-Gen Build System Showing Promise

Meson is a new, open-source build system under development showing good results over the likes of SCons...



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DARPA-derived secure microkernel goes open source tomorrow

A nippy microkernel mathematically proven to be bug free*, and used to protect drones from hacking, will be released as open source tomorrow.


The formal-methods-based secure embedded L4 (seL4) microkernel was developed by Australian boffins at National ICT Australia (NICTA) and was part of the US Defense Advanced Research Projects Agency's High-Assurance Cyber Military Systems program hatched in 2012 to stop hackers knocking unmanned birds out of the sky.


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An Automated Flappy Bird Player

game Flappy Bird has been ported to just about every system imaginable, including but not limited to the Apple II, Commodores, pretty much every version of the Atari, and serves as a really great demonstration of the TI-99′s graphics capabilities. Porting is one thing, but having a computer automate Flappy Bird is another thing entirely. [Ankur], [Sai], and [Ackerly] in [Dr. Bruce Land]‘s advanced microcontroller design class at Cornell have done just that. They’re playing Flappy Bird with a camera, FPGA, and a penny wired up to a GPIO pin to guide the little 8-bit-bird through Mario pipes.


The setup … Read the rest






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Sunday 27 July 2014

Turn your Android phone into a PC gamepad with this new app

So you want a gamepad to play that new platformer on your Windows PC, but you don't relish the idea of buying an expensive peripheral that will collect dust after you're done. Are you stuck using the keyboard? Not if Ideum has its way -- it's...



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Getting to Know Nodes

Sardi Pax gives us a primer on the use of nodes in Blender. In this tutorial I cover a lot of the basics of Blender Cycles Nodes including procedural and image based textures, setting up a general purpose diffuse/glossy/translucent material, as well as touching on the new Cycles volumetric system.



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Saturday 26 July 2014

ScummVM 1.7.0 Released

jones_supa (887896) writes It's been a while since a new ScummVM release, but version 1.7.0 is now here with many exciting features. New games supported are The Neverhood, Mortville Manor, Voyeur, Return to Ringworld and Chivalry is Not Dead. The Roland MT-32 emulator has been updated, there is an OpenGL backend, the GUI has seen improvements, AGOS engine is enhanced, tons of SCI bug fixes have been applied, and various other improvements can be found. This version also introduces support for the OUYA gaming console and brings improvements to some other more exotic platforms. Please read the release notes for an accurate description of the new version. SCUMM being the language/interpreter used by many classic adventure games.

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