大约有 45,000 项符合查询结果(耗时:0.0772秒) [XML]

https://stackoverflow.com/ques... 

How do I get a PHP class constructor to call its parent's parent's constructor?

I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor. ...
https://stackoverflow.com/ques... 

Implementing slicing in __getitem__

I am trying to implement slice functionality for a class I am making that creates a vector representation. 5 Answers ...
https://stackoverflow.com/ques... 

Grid of responsive squares

I'm wondering how I would go about creating a layout with responsive squares . Each square would have vertically and horizontally aligned content. The specific example is displayed below... ...
https://stackoverflow.com/ques... 

What does -> mean in Python function definitions?

... It's a function annotation. In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attac...
https://stackoverflow.com/ques... 

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

...ontainer_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: <div class="container_12"> <div class="grid_6">460px Wide</div> </div>...
https://stackoverflow.com/ques... 

Open file in a relative location in Python

...y prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' . ...
https://stackoverflow.com/ques... 

Class with Object as a parameter

... '__dict__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__'] Also, properties and super do not work with classic classes. In Python2 ...
https://stackoverflow.com/ques... 

What does the “at” (@) symbol do in Python?

...ing at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included. ...
https://stackoverflow.com/ques... 

Why do we use __init__ in Python classes?

I am having trouble understanding the Initialization of classes. 8 Answers 8 ...
https://stackoverflow.com/ques... 

Get the name of the currently executing method

...follow | edited May 19 '17 at 3:47 mplewis 43011 gold badge1010 silver badges1818 bronze badges ...