Resource leak: ‘in’ is never closed
Why does Eclipse give me the warming “Resource leak: ‘in’ is never closed” in the following code?
input
Getting input from the user in Lua
Use io.read() Beware that the function can be customised with different parameters. Here are some examples.
Input Type URL – Says “Please enter a URL” if HTTP is not included
You can add a novalidate attribute to the form element. Fx: See https://www.w3.org/TR/html5/sec-forms.html#element-attrdef-form-novalidate Taken from this answer: https://stackoverflow.com/a/3094185/1497627
How to delete a specific line in a file?
First, open the file and get all your lines from the file. Then reopen the file in write mode and write your lines back, except for the line you want to delete: You need to strip(“\n”) the newline character in the comparison because if your file doesn’t end with a newline character the very last … Read more
Phone mask with jQuery and Masked Input Plugin
Try this – http://jsfiddle.net/dKRGE/3/
C++ – pointer being freed was not allocated error
Welcome to the exciting world of C++! Short answer: you’re passing Store as a value. All your menu functions should take a Store& or Store* instead. When you’re passing Store as a value then an implicit copy is done (so the mainStore variable is never actually modified). When you return from the function the Store::~Store … Read more
How do I check if the user is pressing a key?
In java you don’t check if a key is pressed, instead you listen to KeyEvents. The right way to achieve your goal is to register a KeyEventDispatcher, and implement it to maintain the state of the desired key: Then you can always use: You can, of course, use same method to implement isPressing(“<some key>”) with … Read more
How would I use a while loop to keep requesting user input
Use a while loop above input line as: And, use if condition to break. Also, condition for leap year is wrong in your code. It should be: PS: As in comments, I’ll give a complete code:
java.util.NoSuchElementException – Scanner reading user input
This has really puzzled me for a while but this is what I found in the end. When you call, sc.close() in first method, it not only closes your scanner but closes your System.in input stream as well. You can verify it by printing its status at very top of the second method as : … Read more