How is custom validation defined in Struts 2?

How is custom validation defined in Struts 2? We can define our own validation logic (custom validation) in struts 2 by implementing the Validateable interface in the action class. The workflow interceptor is used to get information about the error messages defined in the action class. The workflow interceptor checks if there is any validation […]

How to drag and drop file from external window?

How to drag and drop file from external window? The source code should work if drag and drop is performed from external application (Windows Explorer) to browser window. It should work on as many browsers as possible. I would like to ask for a sample code with good explanation. How to drag and drop a […]

What is the value of a dictionary in CSV?

What is the value of a dictionary in CSV? The dictionary has a key and the value is a list of floats. This is the current code I have to write to the csv file but all it does is write out the key like this: k,e,y,s How to get key from value in Dictionary? […]

Which is the client for an application server?

Which is the client for an application server? The client for an application server can be the application’s own end-user UI, a web browser, or a mobile app, and the client-server interaction can occur via any number of communication protocols. How to save data in Azure Logic App? We are using Windows Authentication for authenticating […]

Is the jQuery each ( ) function synchronous or asynchronous?

Is the jQuery each ( ) function synchronous or asynchronous? The jQuery.each method loops Synchronously, but you can’t guarantee that it’ll loop through the items in any specific order. Thanks for contributing an answer to Stack Overflow! How can I create an asynchronous function in JavaScript? Here is a function that takes in another function […]

How to make your web design look better with CSS?

How to make your web design look better with CSS? CSS Tricks to Revolutionise your Web Layouts 1 Explore CSS blend modes. Duotone imagery and colouriser effects are some of the hottest web design trends. They are widely popular across the 2 Add a mask. 3 Don’t be afraid of clipping. 4 Think outside the […]

How to set the value of a context node?

How to set the value of a context node? The interface if_wd_context_node has many methods we can use to work with context nodes. We can see all the available methods of this interface by double-clicking on the get_attribute method. To set the value of an attribute, we can use the method set_attribute of the same […]

How do I use a specific gem version?

How do I use a specific gem version? Use `gem install -v` Using -v you can specify an exact version or use version comparators. How do I know if a gem is compatible? Check your Ruby gems for compatibility with all major Rails versions. Usage. The app is live at https://railsbump.org/, where you can check […]

How do you find all the possible combinations of a set of numbers?

How do you find all the possible combinations of a set of numbers? The formula for combinations is generally n! / (r! (n — r)!), where n is the total number of possibilities to start and r is the number of selections made. In our example, we have 52 cards; therefore, n = 52. We […]

How do you declare a function inline?

How do you declare a function inline? To inline a function, place the keyword inline before the function name and define the function before any calls are made to the function. The compiler can ignore the inline qualifier in case defined function is more than a line. How do you describe an inline function? An […]