There are four components to the REACT Testing System: a video-based human relations test, a reading test, a math test and a report writing test.
10 deepfake examples that terrified and amused the internet
Testing takes approximately 2 hours. REACT focuses on using good judgment in supervision of inmates, public relations and teamwork. Candidates do not have to have experience in order to do well. They will watch a video segment and then choose the BEST course of action in a multiple-choice format. This test is presented on computer or video and the items play without stopping. Candidates have 10 seconds to answer each question. All information that may be needed to answer a question is provided in the test.
REACT is not designed to be a test of policy or technical components and candidates are asked to only know what is stated during the video. This test is designed specifically for correctional officers, a job requiring ongoing study of difficult and technical materials. This test is based on typical training materials. Some words are left blank. Candidates are required to choose a word that best fits in the blank. Candidates are given 15 minutes to complete this test.
This is a counting test based on the movement of inmates within the correctional facility. This test is presented on computer and the items play without stopping. This test shows situations on video and asks the applicant to write a brief report, which is evaluated on content, organization and basic writing skills. This site allows you to interactively review seven example video test items with a discussion of the possible answer choices.
React primitives render to native platform UI, meaning your app uses the same native platform APIs other apps do. Many platformsone React. Create platform-specific versions of components so a single codebase can share code across platforms.
With React Native, one team can maintain two platforms and share a common technology—React. React Native lets you create truly native apps and doesn't compromise on your users' experience.
Save, see, repeat. Facebook released React Native in and has been maintaining it ever since. InReact Native had the 2nd highest number of contributors for any repository in GitHub. Today, React Native is supported by contributions from individuals and companies around the world including CallstackExpoInfinite RedMicrosoftand Software Mansion. React Native is being used in thousands of apps, but it's likely you've already used it in one of these apps:.
Fast Refresh See your changes as soon as you save. Talks Members of the React Native team frequently speak at various conferences. You can follow the latest news from the React Native team on Twitter. React Native is being used in thousands of apps, but it's likely you've already used it in one of these apps: and many more. Give it a try Run this npx react-native init MyTestApp.Newcomers to React often start with applications that don't need data fetching at all. That's good, because data fetching adds another layer of complexity to your application while taking the first steps in React.
However, at some point you want to request real world data from an own or a third-party API. The article gives you a walkthrough on how to fetch data in React. There is no external state management solution, such as Redux or MobXinvolved to store your fetched data. Instead you will use React's local state management.
Imagine you already have a component tree that has several levels of components in its hierarchy.
Now you are about to fetch a list of items from a third-party API. Which level in your component hierarchy, to be more precise, which specific component, should fetch the data now? Basically it depends on three criteria:. Who is interested in this data? The fetching component should be a common parent component for all these components.
Where do you want to show a conditional loading indicator e.
The loading indicator could be shown in the common parent component from the first criteria. Then the common parent component would still be the component to fetch the data. But when the loading indicator should be shown in a more top level component, the data fetching needs to be lifted up to this component.
When the loading indicator should be shown in child components of the common parent component, not necessarily the components that need the data, the common parent component would still be the component to fetch the data. The loading indicator state could then be passed down to all child components that would be interested to show a loading indicator.Railway reservation system project in html
Where do you want to show an optional error message when the request fails? Here the same rules from the second criteria for the loading indicator apply. That's basically everything on where to fetch the data in your React component hierarchy.
But when should the data be fetched and how should it be fetched once the common parent component is agreed on?Spotify Player - “Can it be done in React Native?”
React's ES6 class components have lifecycle methods. The render lifecycle method is mandatory to output a React element, because after all you may want to display the fetched data at some point. There is another lifecycle method that is a perfect match to fetch data: componentDidMount. When this method runs, the component was already rendered once with the render method, but it would render again when the fetched data would be stored in the local state of the component with setState.
Afterward, the local state could be used in the render method to display it or to pass it down as props.In this chapter, we will learn how to combine components to make the app easier to maintain. This approach allows to update and change your components without affecting the rest of the page. Our first component in the following example is App. This component is owner of Header and Content. Only App component needs to be exported. To be able to render this on the page, we need to import it in main.
We already did this while setting the environment. In this example, we will set the state for owner component App. The Header component is just added like in the last example since it doesn't need any state. Instead of content tag, we are creating table and tbody elements, where we will dynamically insert TableRow for every object from the data array.
This will help us create our elements with fewer lines of code. It is especially useful when we need to create a list with a lot of items. This will help React to update only the necessary elements instead of re-rendering the entire list when something changes. It is a huge performance boost for larger number of dynamically created elements. ReactJS - Components Advertisements. Previous Page. Next Page. Previous Page Print Page.Try it on CodePen. Click the link above to open an online editor.
Feel free to make some changes, and see how they affect the output. Most pages in this guide will have editable examples like this one. In this guide, we will examine the building blocks of React apps: elements and components. Once you master them, you can create complex apps from small reusable pieces.Character table
This guide is designed for people who prefer learning concepts step by step. If you prefer to learn by doing, check out our practical tutorial. You might find this guide and the tutorial complementary to each other. This is the first chapter in a step-by-step guide about main React concepts. You can find a list of all its chapters in the navigation sidebar. Every chapter in this guide builds on the knowledge introduced in earlier chapters.
React can also render on the server using Node and power mobile apps using React Native. React components implement a render method that takes input data and returns what to display. Input data that is passed into the component can be accessed by render via this. JSX is optional and not required to use React. In addition to taking input data accessed via this. Using props and statewe can put together a small Todo application.
This example uses state to track the current list of items as well as the text that the user has entered. Although event handlers appear to be rendered inline, they will be collected and implemented using event delegation. React allows you to interface with other libraries and frameworks. Declarative React makes it painless to create interactive UIs. Declarative views make your code more predictable and easier to debug.
Component-Based Build encapsulated components that manage their own state, then compose them to make complex UIs. A Simple Component React components implement a render method that takes input data and returns what to display. A Stateful Component In addition to taking input data accessed via this.
An Application Using props and statewe can put together a small Todo application. A Component Using External Plugins React allows you to interface with other libraries and frameworks. Get Started. Take the Tutorial.Some deepfake examples are incredibly convincing.Ffmpeg flutter
They display how deep learning technology could transform pipelines for 3D artists and filmmakers, and seriously cut down manual editing time. There are even examples of deepfakes on YouTube that better the original CGI footage used in films, like the re-remastered Princess Leia featured on this list. However, there is growing concern over how the technology could be abused to create realistic doctored videos that serve a negative purpose.
Deepfakes now appear in many movies for example, in some of our favourite 3D moviesand they are becoming more part of the mainstream process. Here, we look at 10 of the most famous deepfakes. But first, here is a little more info on what deepfakes are. Deepfakes are so-named because they use deep learning technology, a branch of machine learning that applies neural net simulation to massive data sets, to create a fake.
Artificial intelligence effectively learns what a source face looks like at different angles in order to transpose the face onto a target, usually an actor, as if it were a mask. Huge advances came through the application of generative adversarial networks GANS to pit two AI algorithms against each other, one creating the fakes and the other grading its efforts, teaching the synthesis engine to make better forgeries.
Simple software tools such as FakeApp and DeepFaceLab have since made a comparable effect available to all.My crush looks sad
The technology offers interesting possibilities that range from dubbing, improving and repairing video to solving the uncanny valley effect in video games, avoiding actors having to repeat fluffed line, the creation of apps that allow us to try on clothes or hairstyles, and even to train doctors, but many fear it being used for nefarious ends. These are the fakes that have scared and amused people the most so far.
Deemed unrealistic, with particular negative attention shown to the eyes and the texture of the skin, the whole wasn't considered a fitting representation and ruined the ending of the film for many.
One of the earliest deepfake creators, Derpfakesposted this redo on YouTube and people have gone wild for it. The smile, the eyes, it's all spot on, with excellent face tracking.
Star Wars fans have commented, claiming they wish the original film could have been created using this technology. Luckily, the Star Wars team learned from the mistake and used a totally different process for Fisher's scenes in Rise of Skywalker, utilising canned footage of Fisher from The Force Awakens.
While some deepfakes try to fool the viewer, Better Call Trump: Money Laundering is a straight up parody. The voices, which complete the scene, were provided by Stable Voicesa custom AI model that is trained on real speech samples. Politicians and celebrities are the most common victims of deepfakes.
High-profile figures are used because their public profiles provides ample source material for AI to learn from, but with the amount of selfies the average person takes in a lifetime and technological advances, perhaps soon anyone could be used as a source.
This deepfake example is not actually a deepfake but an example of why their potential misuse has become so feared in politics. This really was Nancy Pelosi, the speaker of the US House of Representatives, but the video was slowed down by 25 per cent and the pitch was altered to make it seem like she was slurring her words.
Her speech pattern is bizarre. Facebook initially refused to remove the clip but said it had reduced its distribution after it was fact checked as false.
The case illustrates the kind of misuse people fear could be made of tech presented by Stanford University in June that allows audio in a video to be edited as easily as a text document. Would Facebook react differently when its own founder was being manipulated? If third-party fact checkers mark it as false, we will filter it. While the video is reasonably convincing on mute, the voice gives it away, showing that a good actor is still needed to make plausible fakes, but with AI voice synthesis already mooted by Lyrebird and Adobe VoCo, it may not be long until passable voices can easily be added to deepfakes.
The video has been blocked in the US and Canada. Expect also to see video games chock-full of celebrity appearances. The text was composed from a mixture of quotes from interviews and letters with new commentary designed to help visitors emphasise with the artist and relate to his work.
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