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How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
What is the difference between ampersand and semicolon in Linux Bash ?
3 Answers
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How to use if - else structure in a batch file?
I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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What is the performance cost of having a virtual method in a C++ class?
... (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer.
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DDD - the rule that Entities can't access Repositories directly
In Domain Driven Design, there seems to be lots of agreement that Entities should not access Repositories directly.
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Why are empty strings returned in split() results?
...plements str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
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Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
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What's the cleanest way of applying map() to a dictionary in Swift?
...s in the dictionary. I was hoping something like the following would work, but filter cannot be applied to dictionary directly. What's the cleanest way of achieving this?
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly?
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Using generic std::function objects with member functions in one class
For one class I want to store some function pointers to member functions of the same class in one map storing std::function objects. But I fail right at the beginning with this code:
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