Mobile applications are growing larger and more complex. Larger apps using JavaScript frameworks often experience performance issues as developers add features and complexity. These issues are generated from various spots, but the people using these apps expect them to run smoothly, regardless of the device they are on. To increase the performance of Facebook’s apps, we have teams that continuously improve our JavaScript code and platforms. As we analyzed performance data, we noticed that the JavaScript engine itself was a significant factor in startup performance and download size. With this data in hand, we knew we had to optimize JavaScript performance in the more constrained environments of a mobile phone compared with a desktop or laptop. After exploring other options, we built a new JavaScript engine we call Hermes. It is designed to improve app performance, focusing on our React Native apps, even on mass-market devices with limited memory, slow storage, and reduced computing power. At , we announced the Hermes JavaScript engine. We have , as well as integration with Hermes for React Native. We are excited to work with the open source community and have developers start using Hermes today. How Hermes improves React Native performance For JavaScript-based mobile applications, user experience benefits from attention to a few primary metrics: The time it takes for the app to become usable, called time to interact (TTI) The download size (on Android, APK size) Memory utilization Metrics for MatterMost React Native app running on a Google Pixel, similar in performance to popular phones in markets like India. Notably, our primary metrics are relatively insensitive to the engine’s CPU usage...
The introduction of highly smart gadgets such as the Smartphones, tablets, iPads and portable notepads etc. has witnessed not only the advent of mobile and web applications, but also their remarkable growth and response amid the end users. This incredible growth is significantly increasing with each passing month and year. According to a survey, about 197 million apps has already been downloaded globally, whereas the data of App Annie says that about more than 25 billion iOS apps and around 90 billion Android apps were downloaded the previous year 2016. Talking about the current trends prevailing this year, the social media apps such as Facebook, Twitter, Instagram and Whatsapp are still leading the way forward, followed by Google apps like YouTube, Gmail and Google Chrome etc. Even the popular gaming apps are also not lacking behind. This huge drift in the popularity of app category has brought change in the mobile app development trends influencing the concerned business to a great extent. Within less than a couple of months, we will be welcoming the new year 2018 and believe it, mobile app development industry is going to get even steeper where getting your apps visible on the App Store will perhaps be the toughest task for the app developers. But as always the pre-preparations help before undertaking any challenge, having a wide knowledge on the mobile app development trends of 2018 will prove beneficial and fruitful. 1. Artificial Intelligence will Gain the Spotlight If you ask an experienced app developer, the term Artificial Intelligence is no more alien to him considering the fact that it has gained a good...
The number of cyber security attacks being reported in New Zealand is on the rise, with nearly $17 million lost over the past year as a result. In total, $16.9 million was lost to attackers in 2020 – the most in a single year since CERT was launched. Photo: 123RF The data comes from CERT NZ’s annual summary for 2020, which has been released today. It showed the agency received nearly 8000 reports of cyber security incidents last year, a 65 percent increase on the year before. “We’re developing a much richer understanding of the types of threats and issues that are affecting New Zealanders, and New Zealand businesses,” said CERT NZ director Rob Pope. Phishing and credential harvesting (where an attacker collects personal data) were the most reported form of attacks, and were up 76 percent on 2019. Behind those were scams and fraud reports, up 11 percent, and malware reports, up 2008 percent. In total, $16.9m was lost to attackers – the most in a single year since CERT was launched. Pope said he was not surprised more attacks, and more financial loss was being reported. “New Zealand’s an exceptionally attractive country, with a very trusting set of communities. “We are quite exposed to the very opportunistic and sophisticated approaches and campaigns these cyber criminals are applying.” The increases are not necessarily down to more attacks happening, however, but probably down to more people recognising CERT and reporting a crime if and when it happens. The agency is now in its fourth year, but Pope said he still did not think they had ascertained the true scale...
Kudos go to kenc138 for preparing the original version of this guide. Today you will learn how to get your Ruby on Rails project totally MDBed! Ruby language syntax is easy to understand, while Rails help developers increase their productivity by allowing them to focus on designing and implementing features, and not worrying about setting up server connections or planning out the folder structure. Last but not least, the framework is open source. If you notice an error, or something below is not clear to you – we invite you to visit our support forum. What will I learn? Note, that the guide takes you from the bottom up, and its two first steps are to be omitted by people who already have their projects ready. 1. Get yourself some Rails:Make sure you have all it takes to start a new project: 2. Preparing the project: The CLI will then inquire about your RubyGems password – if you don’t have one, no problem – just press CTRL + C. To install gems, simply hit from within the project root directory. 3. Time to get the basic gems! It your project does not use them already, go to ./Gemfile and add these, preferably around lines 29 / 30: 4. 5. Time to get real & get your MDB package somewhere handy.Create /vendor/assets/javascirpts/ directory in your rails project, and move these bad-boys inside: 6. Create, similarly, a /vendor/assets/stylesheets/ directory, and place our blazing styles inside for them to reign: 7. Adding JavaScriptOk, now, the doctor is in! Time to have some little work done on the JavaScript Manifest. It defines what scripts exactly get processed in the so-called “asset pipeline” – it is the...
File upload is one of the most popular features in modern web. And we have quite a few libraries that can help us to build upload form. Let’s take two of my favorites – Dropzone on the front-end, and Spatie MediaLibrary on the back-end, and build a great uploading experience, in this tutorial. First, what we’re building here. A simple for to add Projects, where you can also upload multiple files for every project. As you can see, file upload has a big block instead of just an input file field. That’s how Dropzone works. But let’s take it one step at a time. Step 1. MediaLibrary Installation Let’s prepare the back-end, where we will actually store the files. We install the package like this: Next, we publish their migration files, and run migrations: By this time, we should have media table in our database. This table uses Polymorphic Relations, so in our case will store records with model_type field equals app\Project, which means that media file will be assigned to a project (not to a user, or anything else). Step 2. Adding Dropzone.js code In our Blade file, with the form, we need to add JavaScript code for Dropzone. There are multiple ways to do it, depending how you structure your whole Blade architecture, but here’s my version of resources/views/admin/projects/create.blade.php: Ok, so what you can see here? Ok ok, let’s add the JavaScript to make it actually work. At the end of the Blade file, I have this section: Looks complicated, doesn’t it? No worries, I will point to the actual places you need to look at: Notice:...
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