2017年7月8日 · After init has finished, the caller can rightly assume that the object is ready to use. That is, after jeff = Customer('Jeff Knupp', 1000.0), we can start making deposit and withdraw calls on jeff; jeff is a fully-initialized object.

2013年12月17日 · __init is a macro defined in ./include/linux/init.h which expands to __attribute__ ((__section__(".init.text"))). It instructs the compiler to mark this function in a special way. At the end the linker collects all functions with this mark at the end (or begin) of the binary file. When the kernel starts, this code runs only once (initialization).

2011年12月23日 · wow thanks..this actually made alot of sense to me so anything that makes something what it is, I need to pre-declare in the init function. In this case, Dog, has legs and colour. For example, if I made a class that added two numbers, I would declare self.firstnumber and self.secondnumber then just do firstnumber + secondnumber later on in the ...

2010年3月22日 · init doesn't return the newly created object - as seen in the TypeError, it is required to return None, right? The newly created object is returned by new , init just sets some of its attributes. But yes, as you said, changing init , or …

2009年1月15日 · Because these can be any directory, and arbitrary ones can be added by the end user, the developers have to worry about directories that happen to share a name with a valid Python module, such as 'string' in the docs example. To alleviate this, it ignores directories which do not contain a file named _ _ init _ _.py (no spaces), even if it is ...

2015年4月20日 · System 5 init/rc isn't the best place to start, and even if one adds on knowledge of systemd that doesn't cover half of what there is to know. There's been a lot of work in the area of init system design (for Linux and the BSDs) that has happened in the past two decades alone.

2016年2月8日 · Since I'm rather new to python this particular aspect of language still opaque for me. So, assume that my project contains many files with code that does stuff and two "service" files: __init__.py...

Read the answer carefully. It's all about intention. 1) If you want to leave the base class' init logic as is, you don't override init method in your derived class. 2) If you want to extend the init logic from the base class, you define your own init method and then call base class' init method from it.

No, it is not necessary to use the init in a class. It's a object constructor that define default values upon calling the class. If you're programming in OOP manner and ought to have a basic structure of your class. You often will need this. I read your other sub-question regarding . Can u explain about the use of "self"??? – harsh Jul 28 '11 ...

2017年5月31日 · An explicit if-else block to see if the data is None avoids issues with the alternative self.data = data or {} statement as the latter assigns an empty dictionary anytime a falsy object other than None is passed to the constructor.