In Java, we can write a class within a method and this will be a local type. Like local variables, the scope of the inner class is restricted to the method.A method-local inner class can be instantiated only within the method where the inner class is defined. The following program ... Read More

Generator Functions allows execution of code in between when a function is exited and resumed later. So, generators can be used to manage flow control in a code. Cancel asynchronous operations easily since execution can be paused anytime.Here’s the syntax; do not forget to add an asterisk after the “function” ... Read More

There is no description in HTML5 specification, which says deletion of a getContext property by the script is valid.We can write a code in which we delete getContext property of HTMLCanvasElement and then in the separate statement we make it undefined.Delete window.HTMLCanvasElement.prototype.getContext; _assertSame(window.HTMLCanvasElement.prototype.getContext, undefined,    "window.HTMLCanvasElement.prototype.getContext", "undefined");Read More

The lang attribute in HTML allows you to set content for languages other than English. You can try to run the following code to implement lang attribute.ExampleHere, we have added content in French and Spanish as well.           English       This is demo text   ... Read More

Use the tag to include information about the document. The HTML tag is used for indicating the head section of the HTML document. Tags included inside head tags are not displayed in the browser window.ExampleYou can try to run the following code to include information about the document ... Read More

The easiest and most readable way to access nested properties in a Python dict is to use for loop and loop over each item while getting the next value, until the end. exampledef getFromDict(dataDict, mapList): for k in mapList: dataDict = dataDict[k] return dataDict a = {    'foo': 45, 'bar': ... Read More

Use createReadStream to send the requested part to the client. The function call createReadStream() will give you a readable stream. ExampleThe following is the code −stream = fs.createReadStream(path); stream.on('open', function () {    res.writeHead(206, {       "Content-Range":"bytes " + begin + "-" + end + "/" +total, "Accept-Ranges":"bytes",   ... Read More