大约有 4,090 项符合查询结果（耗时：0.0167秒） [XML]
Compiling simple Hello World program on OS X via command line
...
Try
g++ hw.cpp
./a.out
g++ is the C++ compiler frontend to GCC.
gcc is the C compiler frontend to GCC.
Yes, Xcode is definitely an option. It is a GUI IDE that is built on-top of GCC.
Though I prefer a slightly more verbose approach:
#include <iostream&...
How to declare strings in C [duplicate]
... = "String"; while dangerous is not wrong and it is valid in C (but not in C++)
– ouah
Jan 4 '12 at 19:05
...
TypeError: Missing 1 required positional argument: 'self'
...
The self keyword in Python is analogous to this keyword in C++ / Java / C#.
In Python 2 it is done implicitly by the compiler (yes Python does compilation internally).
It's just that in Python 3 you need to mention it explicitly in the constructor and member functions. example:
clas...
Using @property versus getters and setters
...e where e.g. a simple tuple would do, but it's code from people writing in C++ or Java using Python.
That's not Python code.
share
|
improve this answer
|
follow
...
What exactly is a reentrant function?
... does it always mean that it is reentrant?
No.
For example, let's have a C++ function that takes both a lock, and a callback as a parameter:
#include <mutex>
typedef void (*callback)();
std::mutex m;
void foo(callback f)
{
m.lock();
// use the resource protected by the mutex
...
Recommended way to insert elements into map [duplicate]
...
Actually, it's vice versa, at least in GNU libstdc++: operator[] looks for existing element and calls insert with default constructed value if not found.
– vaclav.blazek
Mar 6 at 10:39
...
How do I increase the capacity of the Eclipse output console?
...
For CDT users / C/C++ build, also adjust the setting
in Window > Preferences
under C/C++ > Build > Console (!)
(This time in number of lines.)
This also affects the "CDT Global Build Console".
...
How to install 2 Anacondas (Python 2 and 3) on Mac OS
I'm relatively new in Mac OS. I've just installed XCode (for c++ compiler) and Anaconda with the latest Python 3 (for myself). Now I'm wondering how to install properly second Anaconda (for work) with Python 2?
...
Regular expression for a hexadecimal number?
...the character in hexadecimal. I've tried and it works. I use framework for C++ Qt but it can solve problems in other cases, depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
...
What key shortcuts are to comment and uncomment code?
...trl+K, Ctrl+U. I would guess that these are the defaults, at least in the C++ defaults, but I don't know for sure. The best way to find out is to check your settings.)
share
|
improve this answer
...