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Very simple log4j2 XML configuration file using Console and File appender

I'd like a very simple XML configuration file with a console and a file appender using log4j2. 4 Answers ...
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How to remove focus around buttons on click

... I found this Q and A on another page, and overriding the button focus style worked for me. This problem may be specific to MacOS with Chrome. .btn:focus { outline: none; box-shadow: none; } Note though that this has implications for ...
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How to iterate for loop in reverse order in swift?

...other than one: stride(from: to: by:), which is used with exclusive ranges and stride(from: through: by:), which is used with inclusive ranges. To iterate on a range in reverse order, they can be used as below: for index in stride(from: 5, to: 1, by: -1) { print(index) } //prints 5, 4, 3, 2 f...
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Check if object value exists within a Javascript array of objects and if not add a new object to arr

... answered Apr 3 '14 at 17:21 AndyAndy 37.7k77 gold badges5252 silver badges7676 bronze badges ...
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Returning an array using C

I am relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new progr...
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What is the difference between `sorted(list)` vs `list.sort()`?

list.sort() sorts the list and replaces the original list, whereas sorted(list) returns a sorted copy of the list, without changing the original list. ...
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Guards vs. if-then-else vs. cases in Haskell

... From a technical standpoint, all three versions are equivalent. That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably ...
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What issues should be considered when overriding equals and hashCode in Java?

What issues / pitfalls must be considered when overriding equals and hashCode ? 11 Answers ...
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How do I make a textbox that only accepts numbers?

...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...
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What difference between Jersey vs jax-rs

I really cant understand what really is jersey.. 5 Answers 5 ...