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What are App Domains in Facebook Apps?
I want to add the ability to 'login with Facebook' to my site. But I am confused when I register my site in Facebook Apps. What should I input into App Domains ?
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Spring MVC: How to perform validation?
I would like to know what is the cleanest and best way to perform form validation of user inputs. I have seen some developers implement org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the us...
How to redirect output of an entire shell script within the script itself?
Is it possible to redirect all of the output of a Bourne shell script to somewhere, but with shell commands inside the script itself?
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Check if a temporary table exists and delete if it exists before creating a temporary table
I am using the following code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
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How to delete files/subfolders in a specific directory at the command prompt in Windows
Say, there is a variable called %pathtofolder% , as it makes it clear it is a full path of a folder.
15 Answers
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When to use an interface instead of an abstract class and vice versa?
This may be a generic OOP question. I wanted to do a generic comparison between an interface and an abstract class on the basis of their usage.
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How to show a GUI message box from a bash script in linux?
I'm writing a few little bash scripts under Ubuntu linux. I want to be able to run them from the GUI without needing a terminal window to enter any input or view any output.
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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Given final block not properly padded
I am trying to implement password based encryption algorithm, but I get this exception:
4 Answers
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Remove unused references (!= “using”)
How can I find and delete unused references in my projects?
11 Answers
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