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Why is the .bss segment required?
...(In detail, the address of the objects in .bss would probably be different from the address if it was in the .data segment.)
In the first program, a would be in the .data segment and b would be in the .bss segment of the executable. Once the program is loaded, the distinction becomes immaterial. ...
Update Git submodule to latest commit on origin
I have a project with a Git submodule. It is from an ssh://... URL, and is on commit A. Commit B has been pushed to that URL, and I want the submodule to retrieve the commit, and change to it.
...
Omitting the first line from any Linux command output
I have a requirement where i'd like to omit the 1st line from the output of ls -latr "some path" Since I need to remove total 136 from the below output
...
C# namespace alias - what's the point?
...ith extern aliases for using types with the same fully-qualified type name from different assemblies - rare, but useful to be supported.
Actually, I can see another use: when you want quick access to a type, but don't want to use a regular using because you can't import some conflicting extension...
Mimicking sets in JavaScript?
...n the list:
if (A in obj) {
// put code here
}
Question 2: Delete 'A' from the list if it's there:
delete obj[A];
Question 3: Add 'A' to the list if it wasn't already there
obj[A] = true;
For completeness, the test for whether A is in the list is a little safer with this:
if (Object.prototyp...
C++ convert hex string to signed integer
...pedef unsigned int uint32;
typedef signed int int32;
class uint32_from_hex // For use with boost::lexical_cast
{
uint32 value;
public:
operator uint32() const { return value; }
friend std::istream& operator>>( std::istream& in, uint32_from_hex& outValue )
...
Can we make unsigned byte in Java
...is unsigned".
As primitives are signed the Java compiler will prevent you from assigning a value higher than +127 to a byte (or lower than -128). However, there's nothing to stop you downcasting an int (or short) in order to achieve this:
int i = 200; // 0000 0000 0000 0000 0000 0000 1100 1000 (20...
Why does “return list.sort()” return None, not the list?
...ntjenks/python-sortedcontainers In my, was already thinking of refactoring from a list to a set, since I didn't want duplicates, and was then looking for a SortedSet implementation, and didn't find one in collections module... Source: stackoverflow.com/questions/5953205/…
– J...
Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
...
Converting from Integer, to BigInteger
...ogin', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3878192%2fconverting-from-integer-to-biginteger%23new-answer', 'question_page');
}
);
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