Category: Blog

How to make text bold or italic in JavaScript? I’d also like to know how to make it so that when they click the bold button, text that they type from then onwards will come out bold, and when they click it again, the text that is typed from then onwards will come out normal. […]

Can a hover on an element affect another element? CSS hover on one element to affect another (sibling or child) May 15, 2018. This is possible to trigger css rules for an hover on one element that will affect another. One example for this is hovering over a parent Div and changing background color for […]

How to specify multiple actions in one form? Your <form> tag specifies the action to take when the submit button is pressed – but we can only specify a single action. One way to get around this is to handle each button’s OnClick event and set the “action” for the form dynamically: <!– create the […]

What does it mean when a function is not defined in JavaScript? Finally, the function is not defined error can also be caused by calling the function before the script is loaded to the browser. Suppose you have a JavaScript file separated from your HTML file as follows: // script.js function fnAction() { console. log(“executing […]

Does a C # asynccallback create a new thread? Does C# AsyncCallback creates a new thread? No, it does not itself, it is just a callback. However, the code which invokes the callback may be calling it on a thread different from the thread the original operation was started on (in your case, the operation […]

What does load, save, and.rda mean in R? A couple weeks ago I stumbled across a feature in R that I had never heard of before. The functions save (), load (), and the R file type .rda. The .rda files allow a user to save their R data structures such as vectors, matrices, and […]

Can You Pickle a multiprocess task in Python? One of the routes you might consider is distributing the training task over several processes utilizing the pathos fork from python’s multiprocessing module. However, the multiprocess tasks can’t be pickled; it would raise an error failing to pickle. How to easily fix multiprocessing and pickle? Save the […]

Why does on error resume next stop working? I tracked it down to a piece of code that uses the old on-error-resume-next trick that VB6 and VBA programmers had to use in the absence of decent error handling. The minimum code that I can recreate the problem with is… When to use on error resume […]

Why do I need 407 proxy authentication? The HTTP 407 Proxy Authentication Required client error status response code indicates that the request has not been applied because it lacks valid authentication credentials for a proxy server that is between the browser and the server that can access the requested resource. How do I enable proxy […]

What does validating JavaScript mean? Validation is a method to authenticate the user. JavaScript provides the facility to validate the form on the client-side so data processing will be faster than server-side validation. Through JavaScript, we can validate name, password, email, date, mobile numbers and more fields. How do you validate a value in JavaScript? […]