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Does Webots have headless mode


By : Pamela Dodera
Date : September 30 2020, 10:00 PM
I wish this helpful for you Webots doesn't have any headless mode per say, however, there are several arguments that will allow you to run it on a server without any ui (https://cyberbotics.com/doc/guide/starting-webots#command-line-arguments):
batch: Prevent Webots from creating blocking pop-up windows. stdout: Redirect the stdout of the controllers to the terminal. stderr: Redirect the stderr of the controllers to the terminal. minimize: Minimize the Webots window on startup. mode=: Choose the startup mode, overriding application preferences. The argument must be either pause, realtime, run or fast.
code :
export DEBIAN_FRONTEND=noninteractive
export DISPLAY=:99
export LIBGL_ALWAYS_SOFTWARE=true
Xvfb :99 -screen 0 1024x768x16 &


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How to run tests in headless mode using watir webdriver & headless gem on a mac?


By : Nitro0003
Date : March 29 2020, 07:55 AM
Does that help Short answer - no.
Long answer: unlike in Linux, there is no generic way to make an application hidden in OSX. There are specific solutions for specific situations, but there is no turnkey solution for headless Firefox.

Why runs JVM on Windows 10 in headless mode? How to disable headless?


By : demoN
Date : March 29 2020, 07:55 AM
around this issue Could you please use following JVM argument (this is typed right after java command):
code :
-Djava.awt.headless=false

Element is not clickable at point in headless mode. But when we remove headless from protractor.conf.js it is working fi


By : tommy tom
Date : March 29 2020, 07:55 AM
it fixes the issue , As answered above try to set window size as argument for chrome
code :
chromeOptions: {
                args: [
                    '--window-size=1920,1080'],
setTimeout(function() {
                browser.driver.executeScript(function() {
                    return {
                        width: window.screen.availWidth,
                        height: window.screen.availHeight
                    };
                }).then(function(result) {
                    browser.driver.manage().window().setPosition(0,0);
                    browser.driver.manage().window().setSize(result.width, result.height);
                });
            }); 

How to set selenium webdriver from headless mode to normal mode within the same session?


By : user2423787
Date : March 29 2020, 07:55 AM
I hope this helps . No, it won't be possible to make Chrome operate initially in headless mode and then switch back to normal mode within the same session.
When you configure an instance of a ChromeDriver with ChromeOptions() to span a new Chrome Browsing Context the configuration gets baked within the chromedriver executable which will persist for the lifetime of the WebDriver and being uneditable. So you can't modify/add any existing/new configuration through ChromeOptions() class to the WebDriver instance which is currently in execution.

Puppeteer won't return an HTML tag in headless mode but will when it is not in headless mode - why is this?


By : user2573426
Date : March 29 2020, 07:55 AM
With these it helps Just figured out what was going wrong with my code. Apparently, the site I was trying to scrape (adidas.com) filters out requests based off of headers. What I didn't realize is that in headless mode, I was actually arriving at Adidas's 403 Access Denied page which is why the tag I wanted to find was non-existent. I guess headless puppeteer is just another way of sending HTTP requests while non-headless is more of an actual webdriver, which is why the non-headless mode was not blocked by Adidas.
To fix the headless mode and add the appropriate headers, I used this line of code before the `page.goto(url);' line:
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