Useful tips for everyday
What does installed app mean? The apps you’ve downloaded are divided into two sections: “Installed” (all the apps currently installed on your phone) and “Library”…
Where should I store my cron scripts? In Red Hat based distributions such as CentOS, crontab files are stored in the /var/spool/cron directory, while on…
Where does the image go in placeholder.com? The image extension can go at the end of any option in the URL, like this:- 1 https://via.placeholder.com/300…
What is filtering and impedance matching? Crystal FiltersImpedance matching. When making connections between circuits, components, or a combination of both, the matching of the impedance…
How do you evaluate the accuracy of a classifier in data mining? The accuracy of a classifier is given as the percentage of total correct…
What is the error message for app connector? ContextManagerServiceException: com.adallom.adalib.httputils.exceptions.TokenRefreshException: {“error”:”invalid_grant”,”error_description”:”AADSTS70002: Error validating credentials. AADSTS70008: The provided authorization code or refresh token is expired. Send…
How to use TCP socket on Raspberry Pi? Raspberry Pi TCP Socket protocol. Before we can use socket with python, we need to install this…
How do I dictate punctuation on a Mac? Setting up Dictation is easy. Choose Apple () menu > System Preferences, click Keyboard, then click Dictation.…
Where is NPM config stored? Per-user config file: ~/. npmrc. Global config file: $PREFIX/npmrc. Built-in npm config file: /path/to/npm/npmrc. Where is the node-config file? The…
How do I change permissions on a service? In the console tree, click System Services. In the right pane, double-click the service whose permissions you…