I have the long value bits declared like so: long bits = len*8L; (304) System.out.println(bits); This outputs as 304 If I use the long name bits like so I get 0 & 0 respectively. If I use the actual number, like so, I get 304 and 48 respectively I’m trying to convert this Java to JavaScript but Java…
Tag: javascript
Are Promises in JavaScript like Exception Handling in Java?
Just like the try(), catch() and throw() in Java as an exception handling is like then() and catch() in JavaScript as a promise!? Just a beginner asking some questions. Please don’t judge. xD Answer try/catch detect the error itself and transfer control to catch part. this syntax exists in js too. but i…
expressjs-similar Framework in Java? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 2 months ago. Improve this que…
Java: Image upload with JavaScript – File is damaged, corrupted or too large
I am using Spring Boot as backend server and I have a JavaScript frontend. For sending data between front- and backend I’m using the Axios library, which usually works pretty fine. The Problem: The image looks like this in the (Chrome) browser console: It’s a very very long alphanumeric string and…
JavaFX invoking Java methods using JavaScript
My application is completely styled in a web document form (HTML, CSS & JavaScript), and I’m only using JavaFX WebView to load it as a normal resource. I would like to invoke a method from one of my classes (a Java code) using JavaScript. Like for example, a simple Hello World to the console: How ca…
Unable to click a button in Selenium
I’m facing a tough time clicking a button from Selenium. Here’s the DOM: http://pasteboard.co/GHIjMd6.png I’ve declared the button WebElement this way using Xpath (a valid Xpath that returns one node as per Firepath): I’ve tried clicking the said button with send_this_msg_btn Xpath in …
CORS interfering with Spring Security oauth2
I’m having problems trying to get a token from oauth/token from the browser. I have a Spring Boot application with Spring Security and Spring Security oauth, and I’m trying to authenticate from a javascript SPA in a different port. When CORS is disabled in the backend, I can get tokens from the oa…
Background Image and Logo Image is not displayed in jsp page?
I am new to integrate UI Design in application. I have a jsp page and whick code is given below: ` ` below is my screenshot when I run this jsp file: I want background image here which I added as inline css but background image is not dispalayed proper and also logo is not displayed. Please anybody can help
Security risks when evaluating user input as JavaScript in Java
I want to give the user the possibility of writing symbolic maths formulas which are later evaluated with certain values. The user might – for example – want to enter some formula a * (b + 1) where a and b may be different upon each evaluation. My approach so far was using the built in JavaScript …
EventSource onmessage() is not working where onopen() and onerror() works properly?
check my code below, Here I have added three alert messages to each event type, but in this code source.onopen()[alert: readyState: 1] and source.onerror()[alert: readyState: 0] works properly but in case of onmessage() it is not executed.` check the code below for the server side I am using STS(Spring tool S…