大约有 42,000 项符合查询结果（耗时：0.0703秒） [XML]
What is the difference between == and Equals() for primitives in C#?
...
9 Answers
9
Active
...
Static method behavior in multi-threaded environment in java
There's a simple stupid question that bother me and make several arguments in my mind.
I want to throw out all the doubts about below questions.
...
How to efficiently concatenate strings in go
In Go, a string is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
...
What exactly is Heroku?
I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
...
When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
...
Why do you program in assembly? [closed]
I have a question for all the hardcore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
...
How did I get a value larger than 8 bits in size from an 8-bit integer?
I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...
Convert JSON string to dict using Python
I'm a little bit confused with JSON in Python.
To me, it seems like a dictionary, and for that reason
I'm trying to do that:
...
What is the coolest thing you can do in
I'm looking for the coolest thing you can do in a few lines of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
...
Make sure only a single instance of a program is running
Is there a Pythonic way to have only one instance of a program running?
20 Answers
20...