大约有 44,000 项符合查询结果（耗时：0.0667秒） [XML]
PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...hout spaces. It is easier to recognize that we are using keyword arguments and not assigning a variable to itself.
Also, parameters tend to go in the same line whereas assignments usually are each one in their own line, so saving space is likely to be an important matter there.
...
Xcode 4.5 Storyboard 'Exit'
I have just installed Xcode 4.5 for iOS6 support, and I have seen a new icon called 'Exit' in my Storyboard, listed under my view controllers along with 'First Responder' etc. A little green icon labeled 'Exit'.
...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...CRT (/MDd)
Look at the linker options, Project + Properties, Linker, Command Line. Note how these libraries are not mentioned here. The linker automatically figures out what /M switch was used by the compiler and which .lib should be linked through a #pragma comment directive. Kinda important, ...
Guaranteed lifetime of temporary in C++?
...t of any other expression. That is in your case after the function returns and the value is evaluated. So, it will work all nice.
It's in fact what makes expression templates work: They can keep hold references to that sort of temporaries in an expression like
e = a + b * c / d
Because every te...
What is the proper declaration of main?
... signature of the main function in C++? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
...
What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
...
How to use Greek symbols in ggplot2?
My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it?
...
Create a submodule repository from a folder and keep its git commit history
...ations in a particular way. It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule from main repository without losing its commit history.
...
What is the purpose of `text=auto` in `.gitattributes` file?
...ttern attr1 attr2 ...
So here, the pattern is *, which means all files, and the attribute is text=auto.
What does text=auto do? From the documentation:
When text is set to "auto", the path is marked for automatic end-of-line normalization. If Git decides that the content is text, its line en...
using extern template (C++11)
...it will be instantiated somewhere else. It is used to reduce compile time and object file size.
For example:
// header.h
template<typename T>
void ReallyBigFunction()
{
// Body
}
// source1.cpp
#include "header.h"
void something1()
{
ReallyBigFunction<int>();
}
// source2....