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Determining if an Object is of primitive type
...uto-boxing. The compiler does this itself. When it sees an opportunity, it converts a primitive type into its appropriate wrapper class.
What is probably happening here is when you declare
Object o = i;
The compiler will compile this statement as saying
Object o = Integer.valueOf(i);
This is ...
When does invoking a member function on a null instance result in undefined behavior?
... perform lvalue-to-rvalue conversion?
Regardless, it definitely cannot be converted to an rvalue (§4.1/1):
If the object to which the lvalue refers is not an object of type T and is not an object of a type derived from T, or if the object is uninitialized, a program that necessitates this conv...
How to write character & in android strings.xml
...e seems to work the best. The $amp; comes out of getString() without being converted. So it's a pain.
– Adam
Aug 28 '12 at 18:05
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delete map[key] in go?
.... Deleting a non-existent entry is a no-op.
Updating: Running go fix will convert expressions of the form m[k] = value, false into delete(m, k) when it is clear that the ignored value can be safely discarded from the program and false refers to the predefined boolean constant. The fix tool will fla...
How to get the unique ID of an object which overrides hashCode()?
...he javadoc for Object specifies that
This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.
If a class overrides hashCode, it means that it wants to generate a specif...
std::string to float or double
I'm trying to convert std::string to float/double .
I tried:
15 Answers
15
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What does placing a @ in front of a C# variable name do? [duplicate]
...DL) the generator can just prefix all identifiers with @ and not check and convert identifiers that match C# keywords.
Are you sure that your case is not the second?
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
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if you wanted to just convert your 32 bits library into 64 bits, this is a promising option.
– San
Mar 28 '15 at 19:26
add...
Generate a Hash from string in Javascript
I need to convert strings to some form of hash. Is this possible in JavaScript?
22 Answers
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How to get first element in a list of tuples?
...hem integers via int, or try to figure out why your first element can't be converted to an integer.
– mgilson
Aug 27 '12 at 12:53
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