大约有 40,000 项符合查询结果(耗时:0.0227秒) [XML]
Is there a standard way to list names of Python modules in a package?
					Is there a straightforward way to list the names of all modules in a package, without using  __all__ ?
                    
                    
                        
                            
                                
                                        10 Answers
        ...				
				
				
							What exactly does Perl's “bless” do?
					...to a hash (most common case), to an array (not so common), to a scalar (usually this indicates an inside-out object), to a regular expression, subroutine or TYPEGLOB (see the book Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques by Damian Conway for useful examples)...				
				
				
							How to make a class property? [duplicate]
					...az.bar == 50
assert foo.bar == 50
The setter didn't work at the time we call  Bar.bar, because we are calling
TypeOfBar.bar.__set__, which is not Bar.bar.__set__.
Adding a metaclass definition solves this:
class ClassPropertyMetaClass(type):
    def __setattr__(self, key, value):
        if key ...				
				
				
							How to set versionName in APK filename using gradle?
					...ind, but doesn't work well with flavors with different version codes. They all end up with same version code.
                
– weston
                May 6 '17 at 15:08
            
        
    
    
        
            
                    2
            
        
        
     ...				
				
				
							How to check that an element is in a std::set?
					...      Note that using count() instead of find() is never better but potentially worse. This is because find() will return after the first match, count() will always iterate over all elements.
                
– Frerich Raabe
                Nov 9 '09 at 15:50
            
        
    
   ...				
				
				
							Calling class staticmethod within the class body?
					...   def stat_func():
        return 42
    _ANS = stat_func.__func__()  # call the staticmethod
    def method(self):
        ret = Klass.stat_func()
        return ret
As an aside, though I suspected that a staticmethod object had some sort of attribute storing the original function, I had no ...				
				
				
							Why do we need extern “C”{ #include } in C++?
					...      
        
        
    
    
C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data cont...				
				
				
							How to make rpm auto install dependencies
					...hip and filesystem permissions:
# chown -R root.root /home/user/repo
Install the createrepo package if not installed yet, and run
# createrepo /home/user/repo
# chmod -R o-w+r /home/user/repo
Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo containing
[local]
name=My Aw...				
				
				
							vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
					...t --without-python --build-type=complete  link=shared  threading=multi install
 
(2)只编译 release 版本 regex 动态库,包括头文件和库文件
bjam --toolset=msvc-9.0 --prefix=D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\output1 --with-regex link=shared  threading=multi variant=rel...				
				
				
							What is the most efficient way to store a list in the Django models?
					...  
                This is probably what I will end up doing, but I was really hoping the underlying structure for this would have been built in. I guess I am to o lazy.
                
– grieve
                Jul 10 '09 at 16:11
            
        
    
    
        
            
...				
				
				
							