bootstrap 4 responsive utilities visible / hidden xs sm lg not working

With Bootstrap 4 .hidden-* classes were completely removed (yes, they were replaced by hidden-*-* but those classes are also gone from v4 alphas). Starting with v4-beta, you can combine .d-*-none and .d-*-block classes to achieve the same result. visible-* was removed as well; instead of using explicit .visible-* classes, make the element visible by not … Read more

Make a File/Folder Hidden on Windows with Java

The functionality that you desire is a feature of NIO.2 in the upcoming Java 7. Here’s an article describing how will it be used for what you need: Managing Metadata (File and File Store Attributes). There’s an example with DOS File Attributes: Path file = …; try { DosFileAttributes attr = Attributes.readDosFileAttributes(file); System.out.println(“isReadOnly is ” … Read more

jQuery – Detect value change on hidden input field

So this is way late, but I’ve discovered an answer, in case it becomes useful to anyone who comes across this thread. Changes in value to hidden elements don’t automatically fire the .change() event. So, wherever it is that you’re setting that value, you also have to tell jQuery to trigger it. function setUserID(myValue) { … Read more