What does.modal do in Bootstrap 4?

What does.modal do in Bootstrap 4? In Bootstrap 4, .modal (‘dispose’) is a function defined to destroy the modal. The modal remains a part of the DOM even after using .modal (‘dispose’), this function only destroys the current instance of the modal component. Example: This example illustrates the use of .modal (‘dispose’) method. When to […]

How to run a process with a user?

How to run a process with a user? If you’ll use this in non-interactive environment (like a web application) and you want to run a process with a user, then you have a few options to use the user’s password. You can either read password from a storage or from code. A better way; you […]

How to center an imageview in a linearlayout?

How to center an imageview in a linearlayout? Try layout_gravity and gravity attributes in the LinearLayout to make all the childs to be centered by default. This above is a splash screen activity. So there are two childs – ImageView and TextView. Both are center aligned. Thanks for contributing an answer to Stack Overflow! When […]

Which of the following are correct results of a Boolean expression?

Which of the following are correct results of a Boolean expression? A variable of the primitive data type boolean can have two values: true and false (Boolean literals). or off. Boolean expressions use relational and logical operators. The result of a Boolean expression is either true or false. How do you compare Boolean? Solution. (d) […]

How to run node, express, SSL certificate?

How to run node, express, SSL certificate? Node, Express, SSL Certificate: Run HTTPS Server from scratch in 5 steps. 1 1. SSH into the server. SSH into the server running your HTTP website as a user with sudo privileges. 2 2. Add Certbot PPA. 3 3. Install Certbot. 4 4. Choose how you’d like to […]

How to create a prawn handler for rails?

How to create a prawn handler for rails? Note: prawn and prawn-table are dependencies of prawn-rails so there is no need to mention it in the projects Gemfile unless you want to use a specific version of either of those libraries. Create a view with pdf as format and prawn as handler so filename should […]

How do I grep the next line after a match in Unix?

How do I grep the next line after a match in Unix? To also show you the lines before your matches, you can add -B to your grep. The -B 4 tells grep to also show the 4 lines before the match. Alternatively, to show the log lines that match after the keyword, use the […]

What do you need to know about transitions in Qt?

What do you need to know about transitions in Qt? A transition is an “edge” between two states. It may trigger other events to occur, as other parts of the application may have behavior which is triggered when a certain state is entered or left. Qt Quick provides the Transition type which has properties which […]

How can I interact with a device shadow?

How can I interact with a device shadow? You can interact with a Device Shadow using MQTT Topics or REST API calls. The main advantage of Shadows is that you can interact with it, regardless of whether the thing is connected to the Internet or not. What does a device shadow do in AWS? A […]

How do you find duplicate objects in an array?

How do you find duplicate objects in an array? Using the indexOf() method In this method, what we do is that we compare the index of all the items of an array with the index of the first time that number occurs. If they don’t match, that implies that the element is a duplicate. All […]