In Java for String class there is a method called matches, how to use this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result. ...

Suppose I have this function: 9 Answers 9 ...

I have a shopping cart that displays product options in a dropdown menu and if they select "yes", I want to make some other fields on the page visible. ...

I was looking into Valgrind to help improve my C coding/debugging when I discovered it is only for Linux - I have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows. ...

Our developers use a mix of Windows and Unix based OS's. Therefore, symlinks created on Unix machines become a problem for Windows developers. In windows (msysgit), the symlink is converted to a text file with a path to the file it points to. Instead, I'd like to convert the symlink into an actual W...

I have an app in which I have a WebView where I display some websites. It works, clicking a link in the webpage goes to the next page in the website inside my app. But when I click the phone's back button, it takes me straight into my app. I want to go back to the previous page in the website ins...

I just switched from Eclipse to IntelliJ. IntelliJ lacks one feature from Eclipse - when you put your mouse over a method, Eclipse shows javadoc info. I think the way to show it is to use a shortcut - command + J , but when I click it, I get something wrong as on the screen shot below. Please adv...

I received some text that is encoded, but I don't know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#. ...

Any ideas on how to get a div's height without using jQuery? 10 Answers 10 ...

How do I remove the close button (the X in the top-right corner) on a dialog box created by jQuery UI? 23 Answers ...