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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 “EXPIRE” the “HSET” child key in redis?
I need to expire all keys in redis hash, which are older than 1 month.
11 Answers
11
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Insert spaces between words on a camel-cased token [duplicate]
Is there a nice function to to turn something like
6 Answers
6
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How to pass a function as a parameter in Java? [duplicate]
...oSomething(int param1, String param2);
}
then anywhere where MyInterface is used, you can substitute a lambda expression:
class MyClass {
public MyInterface myInterface = (p1, p2) -> { return p2 + p1; };
}
For example, you can create a new thread very quickly:
new Thread(() -> someMe...
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...
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...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
From the Immediate Window in Visual Studio:
16 Answers
16
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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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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...are each string in an Array with a given string. My current implementation is:
8 Answers
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