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How do you set, clear, and toggle a single bit?
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Setting a bit
Use the bitwise OR operator (|) to set a bit.
number |= 1UL << n;
That will set the nth bit of number. n should be zero, if you want to set the 1st bit and so on upto n-1, if you want to set the nth bit.
Use 1ULL if number is wider th...
In C#, what is the difference between public, private, protected, and having no access modifier?
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Access modifiers
From docs.microsoft.com:
public
The type or member can be accessed by any other code in the same assembly or another assembly that references it.
private
The type or member can only be accessed by code in the same class or struct.
protected
The type or member can on...
How do I use Notepad++ (or other) with msysgit?
How do I use Notepad++ (or any other editor besides vim) with msysgit?
11 Answers
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...location of size zero
Using pointers to objects whose lifetime has ended (for instance, stack allocated objects or deleted objects)
Dereferencing a pointer that has not yet been definitely initialized
Performing pointer arithmetic that yields a result outside the boundaries (either above or below) ...
What are the rules about using an underscore in a C++ identifier?
...denote the fact that they're member variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally.
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To underscore or to not to underscore, that is the question
Are there any problems with not prefixing private fields with an underscore in C# if the binary version is going to be consumed by other framework languages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine.
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Secure hash and salt for PHP passwords
.... Taking this into consideration, I'd like to know which mechanism to use for password protection.
14 Answers
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
I am new to Core Data. I have noticed that collection types are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate ...
How to exit git log or git diff [duplicate]
...mmersion .
There's one thing that frustrates me whenever I use git log or git diff :
7 Answers
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What is offsetHeight, clientHeight, scrollHeight?
...s the difference between offsetHeight , clientHeight and scrollHeight or offsetWidth , clientWidth and scrollWidth ?
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