Hands on with the Android M Developer Preview

SAN FRANCISCO—The Android M developer preview launched at Google I/O this year, and while it's clearly in a rough state and aimed at developers, we figured we should catalog whatever differences we could find between it and Android 5.0.

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Como funciona a compressão JPEG

A resposta é: com uma boa dose de inteligência e alguma matemática à mistura. Hoje trago-vos um vídeo que aborda um dos passos fundamentais para reduzir o tamanho de uma imagem; o DCT (Discrete Cosine Transform) do formato JPEG.

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Writing for Apple Watch

Apple Watch is “the most personal device Apple has ever designed,” and it communicates with its wearers in more human ways than usual. The iOS Human Interface Guidelines state that “every word you display in an app is part of a conversation you have with users.

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The jsblocks Framework

Antonio Stoilkov sent in jsblocks (GitHub: astoilkov/jsblocks, License: MIT, npm: jsblocks), a new client-side framework that claims to have a rendering performance that is faster than React. It's a full-featured framework, and has some unique features.

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Hands-on with Google Photos: Brand new app is impressive, but the service is not unique

One of the more popular announcements of yesterday’s Google I/O keynote was the immediate launch of Google Photos. This online photo service, which the company severed from its Google+ social network, was rolled out as a brand new photo app for Android, iOS and the Web.

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User is the king (part 2)

The current Operating System for mobile applications separate every services. The users see on the home screen every apps he downloaded, without any connections between each others. I like to imagine each application as its own world, as a complete experience.

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Nerdalize disponibiliza aquecimento gratuito para casas - descentralizando servidores dos datacenters

Que vos parece a ideia de ter aquecimento gratuito durante o Inverno? Se por cá isso já seria atractivo, ainda mais o será nos países do norte da Europa, como está a acontecer na Holanda com os eRadiators da Nerdalize.

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How to Clone Raspberry Pi SD Cards Using the Command Line in OS X

The Raspberry Pi runs from an operating system stored on a Secure Digital (SD) card and many different operating systems may be employed. Storage is relatively inexpensive, can be created (flashed), recreated, written to and overwritten with ease. On the one hand, this is an advantage of the Pi.

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How Much Quality Time Do You Actually Spend with the People You Love?

The other day, at 1:30 in the morning, I peeked into my daughter’s bedroom to check on her before heading to bed, and realized I had spent maybe 15 minutes the day before actually conversing with her. The same for the day before that. I’ve been working overtime, taking on extra projects.

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Google's Project Soli to bring gesture control to wearables

Gesture-based system are usually attached to video game consoles like the Microsoft Kinect or your computer like the Leap Motion. Google's ATAP team figured that the smaller form factor of the smartwatch segment needed its own finger-waving way to control the devices without having to reply on the smartphone. It's Project Soli replaces the physical controls of smartwatches with your hands using radar to capture your movements.

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iOS Fundamentals: UIAlertView and UIAlertController

Even if you've only dipped your toes into the world of iOS development, you almost certainly know about UIAlertView. The UIAlertView class has a simple interface and is used to present modal alerts. Apple has deprecated UIAlertView in iOS 8 though.

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Design from iOS to Android (and Back Again) Design from iOS to Android (and Back Again)

Designing and developing between platforms is a lot like traveling through different countries. You go through the same motions — sleeping, eating, sightseeing, regardless of where you are — but the customs of the country you’re visiting dictate how you go about doing them.

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Calendário do Google vai deixar de enviar alertas por SMS

Más notícias para todos os que recorriam aos avisos por SMS para os eventos no Google Calendar: o Google vai deixar de suportar as notificações por SMS a partir de 27 de Junho de 2015.

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The Ternary Operator in PHP

The ternary operator allows us to simplify some PHP conditional statements. We'll see how it can be used, with test-driven development and refactoring, to simplify code like:

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Node Scraping Libraries

In this post I will show you how to use different libraries so you can get a rough idea of how to work with them. These are only very simple examples. Please check out the docs to get to know more.

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Let’s Chat – Like #Slack but Open Source

Let’s Chat is like #Slack, but opensource and self-hosted. It is a persistent messaging application that runs on Node.js and MongoDB. It’s designed to be easily deployable and fits well with small, intimate teams.

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Hola Better Internet Sells Your Bandwidth, Turning Its VPN into a Botnet

Hola Better Internet is a popular Firefox and Chrome extension that allows you to watch blocked content overseas. However, there’s something more nefarious going on behind the scenes: the company is selling the bandwidth of Hola users to anyone with money to buy, effectively turning its users into a botnet for hire.

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Google launches Google Photos, a new service independent of Google+

Google has launched a new photos app called – appropriately – Google Photos. It aims to improve how you store and organize your huge photo collection. Three concepts for Photos are: a secure home for your media, organization and sharing.

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Updating a Node.js web application without downtime

I have a Node.js/Express web application running on localhost:3010 that's on, say, version 1.2.2. Suppose I want to update the web application to version 1.3.0 without any downtime. What's the best way? Fortunately NGINX sits in front of my web application.

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All the Important Stuff Google Announced at I/O 2015

Today, Google kicked off its I/O conference with the traditional keynote full of new product announcements. Here are some of the most interesting things Google announced today. Just like last year, Google announced a developer preview for the newest version of Android.

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Ember Screencasts

EmberScreencasts are short screencasts that help you level up your skills and keep you up to date with all the cool things happening in the Ember ecosystem. New screencasts are released every week- usually one free and one for Pro subscribers. You can explore different series and subjects, start off with my favorites, or see the latest screencasts.

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This AngularJS modules/dependencies thing is a lie

Bold statement in the title above, huh? Just stay with me, I’ll try to make it clear in a minute. This is short story about AngularJS modules that define components and dependencies between these modules. Let’s write some code first:

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A taste of something great: five days with NVIDIA's Shield Android TV

I wanted to watch The West Wing, so I asked for it. I wanted to play Asphalt 8 on my TV, so I downloaded it. I wanted people to see me playing a copy of Street Fighter X Tekken I didn't (strictly speaking) own, so I broadcasted it.

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All the New Features of Android M

Today, Google announced the developer preview of the newest version of Android. As usual, this new version, Android M, will be out later in the year. However, those with certain Nexus devices can download the preview starting today. Here’s what you can expect in the next version of Android.

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Office Lens chega finalmente ao Android

Já é bem conhecida a ofensiva que a Microsoft tem feito, lançando excelentes apps para as plataformas concorrentes, e agora é vez do seu Office Lens chegar ao Android. Este Office Lens é uma app de "scanning" que permite rapidamente captar imagens de documentos, apontamentos, cartões de visita ou até quadros; tratando de coisas como a correcção de perspectiva e até o reconhecimento do texto para facilitar as pesquisas futuras.

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A Robot Should Be Running Your Appium Tests

Man has often sought to make his life easier through the use of machines. From the wheel to the computer, advances in technology have reduced the amount of manual labor we as a species are required to perform. Software is no different.

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Building a Slack Clone in Meteor.js (Part 3): Authentication and Security

This is the third of a five-part series on building a Slack clone using Meteor. The aim of these tutorials are not just for you to blindly follow instructions, but it’s our hope that you’ll understand the thought process and reasoning behind the architecture.

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Pi to Go? 3 Ways of Powering a Raspberry Pi for Portable Projects

Want to get your Raspberry Pi out of the house and involved in some mobile projects (like, for instance, a budget space program)? You’ll need a battery, and there are several choices available, including a DIY option.

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The Kindle Finally Gets Typography That Doesn't Suck

Amazon's Kindle e-reader is a lovely single-purpose gadget, with an industrial design ethos that, in its singular focus on the purity of e-reading, even Dieter Rams could love. The iOS and Android apps are even great.

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Bootstrap Tutorial

Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development. Bootstrap tutorials will help you learn the essentials of Bootstrap, from the fundamentals to advanced topics, so that you can create web pages with much less efforts.

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5 System Rescue Boot Discs based on Windows PE

A boot disc is very useful because it can be used to perform troubleshooting tasks on an unbootable computer. Most of the time software that belongs in the category of data recovery, antivirus and hard drive backup/restore provides the option to create a boot disc which is sometimes known as rescue disc. Although these software can run from Windows, they are actually most efficient when run offline from a bootable disc.

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Google IO 2015

Começa hoje mais um Google I/O, o evento anual onde o Google dá a conhecer muitas das novidades em que está a trabalhar e a preparar para os próximos tempos. Serão dois dias recheados de muita informação, que iremos acompanhando minuto a minuto.

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A to Z CSS

Learn CSS and sharpen your front-end skills with these bite-sized video screencasts. There's something for everyone in AtoZ CSS Season 1; pick your level and get started with these popular episodes below.

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Angular Directives Componentization and Composition

AngularJS exposes large amounts of complex functionality, and lends itself very well to writing reusable, generic code. This article will be a detailed, and heavily opinionated look at what is Angular's Unit of reuse, directives, with an eye towards explaining their many frequently confusing features.

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Benton Modern : Case Study On Responsive Web Typography

Having the ability to set legible body copy is an absolute must, and we’ve come a long way with web typography since the dawn of web design. However, I feel like we have allowed the lack of variety prior to the rise of web fonts to dampen our creativity now that thousands of web fonts are at our disposal.

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A Twitter Bot in 20 Minutes With Node.js

I’ve updated the post to reflect a some recent, minor changes to the twit library. My aim here is to simply provide a jumping off point for anyone interested in learning about Twitter bots, Node.js, or both.

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Most Common Visual Content Mistakes and How To Fix Them

By nature, people are visual creatures and we’re naturally attracted to images, especially those containing people. Marketers have found out long ago that using striking imagery accompanied with smart copy can affect people and their behaviour towards products and brands.

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An Introduction to Appium

Automated testing is known to be very valuable to any programmer. It is a tool that allows the simulation of a person’s actions on a specific device and it’s favored because it lacks the errors or speed limitations of an actual person.

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Design user research explained for everyone

The most relevant source of inspiration and considerations when designing things are people. This inspiration can be deeper than understanding what people do, why they do it and what they say they need; it is ultimately about understanding what they truly value.

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Android M To Introduce Granular Permission Control

Remember App Ops? Back in Jelly Bean 4.3, the feature could be accessed by resourceful users to switch on or off permissions for individual apps. By KitKat 4.4.2, the feature was completely hidden from users.

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The fastest way to design beautiful interactions

Work your way up from a blank canvas, or pull in designs from Photoshop or Sketch. Lay out your states and instantly animate between them, without coding a thing.

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Xiaomi's $15 Mi Band now syncs with Google Fit

Xiaomi pushed out an update to the Mi Fit companion app for the Mi Band fitness tracker that allows the sharing of data to Google Fit. The compatibility with Google Fit makes the Mi Band — which went on sale in India earlier this year for just $15 — a much more attractive proposition for customers looking to track their daily activity. The Mi Band offers call and text notification alerts delivered through the trio of LED lights on its surface, and is IP67 certified.

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Closures in JavaScript

Closure is what happens when we manipulate variable scope in our functions. We might do this either to make variable contents accessible where they would not otherwise be, or to protect a variable from unwanted access. We covered the concept of variable scope. Specifically, we talked about the following two items: Closure is what happens when we manipulate variable scope in our functions.

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The bug that can crash iPhones with a single message is back

If someone sends you the below string of Arabic characters via SMS or iMessage, it can cause the Messages app to stop working and can take down the phone entirely if it appears in a lock screen notification.

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Freebie: 4 Sweet and Responsive Navigation Menus

Bringing you more freebies, here are 4 navigation menu templates that you can use in your projects for free. We made these without using any frameworks and in such a way that they won’t cause conflicts with the rest of your content.

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Programming With Yii2: Validations

In this Programming With Yii2 series, I'm guiding readers in use of the newly upgraded Yii2 Framework for PHP. In this tutorial, I'm going to introduce you to Yii2's validators. Validators simplify the code needed to validate input, i.e.

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Promises and design patterns in AngularJS

The traditional way to deal with asynchronous tasks in Javascript are callbacks; call a method, give it a function reference to execute once that method is done. You get the idea. This is pretty neat, but, it has some drawbacks; for one, combining or chaining multiple asynchronous processes is tricky; it either leads to a lot of boilerplate code, or what's known as callback hell (nesting callbacks and calls in each other).

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A curated list of angular directives

Multiple-Date-Picker is an Angular directive to show a simple calendar allowing user to select multiple dates, use custom callback on (de)selection. You can also specify some off days or already selected days. angular-swing is an AngularJS directive for swipe-left/swipe-right for yes/no input.

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Introduction to ASP.NET Boilerplate

DRY - Don't Repeat Yourself! is one of the main ideas of a good developer while developing a software. We're trying to implement it from simple methods to classes and modules.

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Vibrant.js

Extract prominent colors from an image. Vibrant.js is a javascript port of the awesome Palette class in the Android support library. As you can see, Vibrant's first argument is an image. Make sure it's loaded before passing it off to Vibrant. Vibrant has 3 constructor parameters:

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