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Circular dependency in Spring
How does Spring resolve this: bean A is dependent on bean B, and bean B on bean A.
12 Answers
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Java: Check if enum contains a given string?
Here's my problem - I'm looking for (if it even exists) the enum equivalent of ArrayList.contains(); .
29 Answers
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ReSharper warns: “Static field in generic type”
Is this wrong? I would assume that this actually has a static readonly field for each of the possible EnumRouteConstraint<T> that I happen to instance.
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How can I split a string with a string delimiter? [duplicate]
I have this string:
7 Answers
7
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Use cases for NoSQL [closed]
...em to be getting the most coverage with regard to PHP development and that is my focus.
9 Answers
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Insert text with single quotes in PostgreSQL
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String literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with standard_conforming_strings = off or, generally, if you prepend your st...
Using the Swift if let with logical AND operator &&
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As of Swift 1.2, this is now possible. The Swift 1.2 and Xcode 6.3 beta release notes state:
More powerful optional unwrapping with if let — The if let construct
can now unwrap multiple optionals at once, as well as include
intervenin...
How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
Immutability of Strings in Java
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str is not an object, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for exampl...