大约有 40,000 项符合查询结果(耗时:0.0257秒) [XML]

https://stackoverflow.com/ques... 

Can modules have properties the same way that objects can?

...ance. So, for example, your m.py module file could be: import sys class _M(object): def __init__(self): self.c = 0 def afunction(self): self.c += 1 return self.c y = property(afunction) sys.modules[__name__] = _M() ...
https://stackoverflow.com/ques... 

How do you round a floating point number in Perl?

...foreach my $i ( 0.5, 1.5, 2.5, 3.5 ) { printf "$i -> %.0f\n", $i; } __END__ 0.5 -> 0 1.5 -> 2 2.5 -> 2 3.5 -> 4 share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to check if a variable is a dictionary in Python?

...t, defaultdict, or Counter from the collections module: if isinstance(any_object, dict): But there are even more flexible options. Supporting abstractions: from collections.abc import Mapping if isinstance(any_object, Mapping): This allows the user of your code to use their own custom implem...
https://stackoverflow.com/ques... 

UIButton Image + Text IOS

... I think you are looking for this solution for your problem: UIButton *_button = [UIButton buttonWithType:UIButtonTypeCustom]; [_button setFrame:CGRectMake(0.f, 0.f, 128.f, 128.f)]; // SET the values for your wishes [_button setCenter:CGPointMake(128.f, 128.f)]; // SET the values for your wishes...
https://stackoverflow.com/ques... 

How to fix “ImportError: No module named …” error in Python?

... @Editor: __init__.py only indicates that the directory should be treated as a package, when its parent is either in sys.path or is itself a package. – Ignacio Vazquez-Abrams Jan 4 '14 at 23:15 ...
https://stackoverflow.com/ques... 

JavaScript: What are .extend and .prototype used for?

...(){ var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/; // The base Class implementation (does nothing) this.Class = function(){}; // Create a new Class that inherits from this class Class.extend = function(prop) { var _super = this.prototype; ...
https://stackoverflow.com/ques... 

What do commas and spaces in multiple classes mean in CSS?

... .container_12 .grid_6, .container_16 .grid_8 { width: 460px; } That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same: <di...
https://stackoverflow.com/ques... 

How to programmatically show next view in ViewPager?

...siest way is: nextButton.setOnClickListener { pager.arrowScroll(View.FOCUS_RIGHT) } prevButton.setOnClickListener { pager.arrowScroll(View.FOCUS_LEFT) } share | improve this answer | ...
https://stackoverflow.com/ques... 

TypeScript static classes

...with javascript so it doesn't make much sense – Simon_Weaver May 23 '14 at 1:59 4 @Simon_Weaver Y...
https://stackoverflow.com/ques... 

How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ basename(f)[:-3] for f in modules if isfile(f) and not f.endswi...