Launch the terminal program.Connect to a remote server, using ssh.Run the following command to obtain a list of updated software. Run the following command to update Ubuntu software/packages. Finally, use the following command to restart the Ubuntu machine.More
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Failed: error: exists /etc/systemd/system/vsts.agent..staging\x2daws\x2dpool.staging\x2daws\x2dagent.service
Error while installing (running sudo ./svc.sh install) vsts.agent service: Solution: The solution is to remove the ‘vsts.agent…..staging\x2daws\x2dpool.staging\x2daws\x2dagent.service’ file. Go to /etc/systemd/system (cd /etc/systemd/system) and run The sudo ./svc.sh install command will work now and will install the agent.More
NullInjectorError: No provider for GoogleAnalytics!
The “NullInjectorError: No provider for GoogleAnalytics!” error typically occurs when you are trying to use the Google Analytics service in your Ionic app, but the service has not been properly configured or injected into your app. Error: NullInjectorError: R3InjectorError(AppModule)[PlatformService -> GoogleAnalytics -> GoogleAnalytics -> GoogleAnalytics]: NullInjectorError: No provider for GoogleAnalytics! at NullInjector.get (core.mjs:8096:27) at R3Injector.get…More
Fix for Can’t bind to ‘ngIf’ since it isn’t a known property in Angular unit test spec
This error occurs when the Angular compiler cannot find the component under test in the declarations of the spec file. The fix is to add the component under test in declarations of your spec file like this:More
angular unit test check a text html element
To check the text of an HTML element in an Angular unit test, you can use the nativeElement property of the element’s debugElement to access the element’s DOM node, and then use the textContent property to get the text of the element. Here is an example of how you can check the text of an…More
angular find element by tag using fixture debugElement
To find an element by tag using the debugElement property of a component fixture in Angular, you can use the query method of the debugElement and pass it a By object with the css method and the tag name as arguments. Here is an example of how you can find an element with the tag…More
Excluded by ‘noindex’ tag in the Google search console
The noindex tag is an HTML tag that can be added to a webpage to tell search engines not to index the page or follow any links on the page. This can be useful in cases where a webpage is not ready to be published, or if the content on the page is not relevant…More
MAC list all folder names terminal
To list all the folder names in the current directory in the terminal on a Mac, you can use the ls command with the -d and -1 options. The -d option tells ls to only list directories, not files, and the -1 option causes ls to print the names of the directories one per line.…More
Moore’s Law with a basic example in Python
Moore’s Law is a prediction made by Intel co-founder Gordon Moore in 1965 that the number of transistors on a microprocessor chip would double every year. It is often quoted as “the number of transistors on a microprocessor doubles every 18 to 24 months”. Here is how you can write a function in Python that…More
How to print formatted JSON in SwiftUI
To print a JSON object in a formatted JSON string in SwiftUI, you can use the JSONSerialization class from the Foundation framework to encode the JSON object into a Data object, and then use the String initializer to convert the Data object into a formatted JSON string. Here is an example of how to do…More