大约有 44,516 项符合查询结果（耗时：0.0358秒） [XML]
Never seen before C++ for loop
I was converting a C++ algorithm to C#.
I came across this for loop:
12 Answers
12
...
Why does i = i + i give me 0?
...
The issue is due to integer overflow.
In 32-bit twos-complement arithmetic:
i does indeed start out having power-of-two values, but then overflow behaviors start once you get to 230:
230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since it's essentially arithme...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
...have found a bug in overload resolution. The bug reproduces in C# 4 and 5; it does not reproduce in the "Roslyn" version of the semantic analyzer. I've informed the C# 5 test team, and hopefully we can get this investigated and resolved before the final release. (As always, no promises.)
A correct ...
Is it safe to parse a /proc/ file?
I want to parse /proc/net/tcp/ , but is it safe?
7 Answers
7
...
C++ Build Systems - What to use? [closed]
I'm looking at starting a new project in C++ - just in my own time initially - and I'm investigating the build systems that are available. It would appear that the answer is "Many, and they're all awful".
...
What does “@private” mean in Objective-C?
...
It's a visibility modifier—it means that instance variables declared as @private can only be accessed by instances of the same class. Private members cannot be accessed by subclasses or other classes.
For example:
@interf...
What is unit testing? [closed]
I saw many questions asking 'how' to unit test in a specific language, but no question asking 'what', 'why', and 'when'.
20...
Singleton: How should it be used
Edit:
From another question I provided an answer that has links to a lot of questions/answers about singletons: More info about singletons here:
...
JavaScript % (modulo) gives a negative result for negative numbers
...follow
|
edited Mar 13 '19 at 11:15
Martijn Pieters♦
839k212212 gold badges32183218 silver badges28092809 bronze badges
...
Why is it string.join(list) instead of list.join(string)?
This has always confused me. It seems like this would be nicer:
10 Answers
10
...