var x = Math.PI * 1.9; var y = Math.PI * 0.1; Math.atan2(Math.sin(x-y), Math.cos(x-y)); // -Math.PI * 0.2
Here is what the above code is Doing:
1. We’re using the atan2 function to calculate the angle between two points.
2. We’re using the sin and cos functions to calculate the x and y components of the angle.
3. We’re using the Math.PI constant to convert from radians to degrees.
//React-Native //In your androidManifest.xml
$csrfName = $this->security->get_csrf_token_name(); $csrfHash = $this->security->get_csrf_hash(); Here is what the above code is Doing: 1. We are loading the security helper. 2. We are getting the csrf token name and hash. 3. We are storing the csrf token name and hash in two variables. Now, we need to pass these two variables to the view…
Image Inline iFrame Youtube iFrame Vimeo Google Maps Inline content Here is what the above code is Doing: 1. The first link is a link to a photo on Flickr. When clicked, the photo will be displayed in a lightbox. 2. The second link is a link to an element on the page with an…
document.getElementById(“prospects_form”).addEventListener(‘submit’, function(event){event.preventDefault();}); Here is what the above code is Doing: 1. It’s creating a function called “prospects_form_submit” 2. It’s adding an event listener to the form with the id “prospects_form” 3. It’s telling the event listener to call the function “prospects_form_submit” when the form is submitted 4. It’s telling the event listener to prevent the…
app.use(express.static(__dirname + ‘/public’)); Here is what the above code is Doing: 1. We’re requiring the express module and assigning it to the variable express. 2. We’re creating an instance of express and assigning it to the variable app. 3. We’re setting the port to 3000. 4. We’re telling express to use the public directory for…
//call wow new WOW().init(); Here is what the above code is Doing: 1. We’re importing the WOW.js library from a CDN. 2. We’re calling the WOW.js library. Now, we need to add the class “wow” to the elements we want to animate. Hello World