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What's the difference between @Component, @Repository & @Service annotations in Spring?
Can @Component , @Repository and @Service annotations be used interchangeably in Spring or do they provide any particular functionality besides acting as a notation device?
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I've found my software as cracked download on Internet, what to do?
...hs of hard work finally released my application. Today I found the first web site where people download it cracked, and I was wondering if any of you fellow programmers know how to react to such stuff?
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Logger slf4j advantages of formatting with {} instead of string concatenation
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It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2...
python generator “send” function purpose?
...re is an artificial (non-useful) explanatory example:
>>> def double_inputs():
... while True:
... x = yield
... yield x * 2
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>>> gen = double_inputs()
>>> next(gen) # run up to the first yield
>>> gen.send(10) # goes into 'x' vari...
Best practices for Storyboard login screen, handling clearing of data upon logout
I'm building an iOS app using a Storyboard. The root view controller is a Tab Bar Controller. I'm creating the login/logout process, and it's mostly working fine, but I've got a few issues. I need to know the BEST way to set all this up.
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Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
How to properly URL encode a string in PHP?
I'm making a search page, where you type a search query and the form is submitted to search.php?query=your query . What PHP function is the best and that I should use for encoding/decoding the search query?
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
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A lambda expression can either be converted to a delegate type or an expression tree - but it has to know which delegate type. Just knowing the signature isn't enough. For instance, suppose I have:
public delegate void Action1();...
How to print binary tree diagram?
How can I print a binary tree in Java so that the output is like:
28 Answers
28
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Remove non-ascii character in string
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