checking Object is possibly ‘null’ or ‘undefined’

I have this piece of code where I check if hostel.country.address is null but nevertheless return hostel.country.address && hostel.country.address.internalEmployeeIdentifier !== null || hostel.country.address.externalEmployeeIdentifier !== null; I have this compilation problem on hostel.country.address Object is possibly ‘null’ or ‘undefined’. – error TS2533: Object is possibly ‘null’ or ‘undefined’.

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Retrofit image is uploaded but empty server response is returned

I’m not able to get a response using retrofit, while it gives a success response as: Response{protocol=http/1.1, code=201, message=Created, url=http://test.some_url.in/api/upload/user/PostUserImage/} and the image is successfully uploaded to server but Nothing is shown either in response body or using Gson: I’m using the following code: private void uploadImage(byte[] imageBytes) { Retrofit retrofit = new Retrofit.Builder() .baseUrl(URL)…

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Chrome page opened with selenium remains blank

I am trying to save a screenshot of a webpage, to do so I am trying to use Selenium. The problem is that once the webpage is opened, it stays blank with “data:” in the URL. Here is my code: from selenium import webdriver options = webdriver.ChromeOptions() options.add_experimental_option(‘useAutomationExtension’, False) driver = webdriver.Chrome(options=options,executable_path=’aPath/chromedriver.exe’,service_log_path=’aPath/mylog.txt’) driver.get(‘http://myURL.html’) screenshot=driver.save_screenshot(‘aPath/my_screenshot.png’) driver.quit()…

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NoisyNet DQN with defeault parameters not exploring

I implemented a dqn algorithm that plays OpenAIs Cartpole environment. The NN architecture consists of 3 normal linear layers that encode the state, and one noisy linear layer, that predicts the Q value based on the encoded state. My NoisyLinear layers looks like this: class NoisyLinear(nn.Module): def __init__(self, in_features, out_features): super(NoisyLinear, self).__init__() self.in_features = in_features…

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Installing Mink and Goutte without composer

I want to install Behat\Mink on my webhoster without using composer. This is the site where I get the packages: https://php-download.com/package/behat But even after I downloaded “mink”, “mink-browserkit-driver” and “mink-goutte-driver” I can’t get it to work. After using require “vendor\autoload.php” there were still errors for missing classes. Is there anyone who can help with that?…

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