大约有 3,300 项符合查询结果(耗时:0.0142秒) [XML]

https://stackoverflow.com/ques... 

Can modules have properties the same way that objects can?

...underscore), in the_module.py: @module_property def _thing(): return 'hello' Then: import the_module print(the_module.thing) # prints 'hello' The leading underscore is necessary to differentiate the property-ized function from the original function. I couldn't think of a way to reassign ...
https://stackoverflow.com/ques... 

Is a Java string really immutable?

...e literal, it assigns the same reference to both variables: String Test1="Hello World"; String Test2="Hello World"; System.out.println(test1==test2); // true That is the reason the comparison returns true. The third string is created using substring() which makes a new string instead of poi...
https://stackoverflow.com/ques... 

Why can a class not be defined as protected?

... public static void main(String[] args) { System.out.println("Hello from Inner!"); } } } Now what if "protected class foo" allow ? protected main characteristic is subclass, so the outer(package) SHOULD(due to up-to scope, but still it's optional) provide style of subclass...
https://stackoverflow.com/ques... 

setTimeout / clearTimeout problems

...isecBeforeRedirect = 10000; timer = window.setTimeout(function(){alert('Hello!');},10000); } share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to get a substring of text?

... Use String#slice, also aliased as []. a = "hello there" a[1] #=> "e" a[1,3] #=> "ell" a[1..3] #=> "ell" a[6..-1] #=> "there" a[-3,2] #=> "er" a[-4..-2] #=> "he...
https://stackoverflow.com/ques... 

is it possible to change values of the array when doing foreach in javascript?

...tself. arr.forEach(function(part, index, theArray) { theArray[index] = "hello world"; }); edit — as noted in a comment, the .forEach() function can take a second argument, which will be used as the value of this in each call to the callback: arr.forEach(function(part, index) { this[index] ...
https://stackoverflow.com/ques... 

What does “Splats” mean in the CoffeeScript tutorial?

...rs as list for example: concat = (args...) -> args.join(', ') concat('hello', 'world') == 'hello, world' concat('ready', 'set', 'go!') == 'ready, set, go!' it works in assginments, too: [first, rest...] = [1, 2, 3, 4] first == 1 rest == [2, 3, 4] ...
https://stackoverflow.com/ques... 

Initialize parent's protected members with initialization list (C++)

...something; } class Child : public Parent { private: Child() : Parent("Hello, World!") { } } share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Does C have a “foreach” loop construct?

... printf("%d is even.\n", number); } char* dictionary[] = {"Hello", "World"}; for each (word, dictionary, 2) printf("word = '%s'\n", word); Point points[] = {{3.4, 4.2}, {9.9, 6.7}, {-9.8, 7.0}}; for each (point, points, 3) printf("point = (%lf, %lf)\n", p...
https://stackoverflow.com/ques... 

Mixins vs. Traits

...he same definition foo():void. Mixin MA { foo():void { print 'hello' } } Mixin MB { foo():void { print 'bye' } } Trait TA { foo():void { print 'hello' } } Trait TB { foo():void { print 'bye' } } In mixins the conflicts in composin...