大约有 40,000 项符合查询结果(耗时:0.0579秒) [XML]

https://stackoverflow.com/ques... 

How can I force Powershell to return an array when a call only returns one object?

... I actually feel like this is the most clear and safe option. You can reliably use ".Count - ge 1' on the collection or 'Foreach' – Jaigene Kang Jul 11 '17 at 22:24 ...
https://stackoverflow.com/ques... 

Difference between __str__ and __repr__?

...e come right out and say it — I do not believe in debuggers. I don’t really know how to use any debugger, and have never used one seriously. Furthermore, I believe that the big fault in debuggers is their basic nature — most failures I debug happened a long long time ago, in a galaxy far far a...
https://stackoverflow.com/ques... 

What does the regular expression /_/g mean?

...egex matches the _ character. The g means Global, and causes the replace call to replace all matches, not just the first one. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to write the Fibonacci Sequence?

I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
https://stackoverflow.com/ques... 

What do linkers do?

...converts the source file into object byte code. This byte code (sometimes called object code) is mnemonic instructions that only your computer architecture understands. Traditionally, these files have an .OBJ extension. After the object file is created, the linker comes into play. More often than ...
https://stackoverflow.com/ques... 

How to find all the subclasses of a class given its name?

I need a working approach of getting all classes that are inherited from a base class in Python. 10 Answers ...
https://stackoverflow.com/ques... 

How do I do base64 encoding on iOS?

... A really, really fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5....
https://stackoverflow.com/ques... 

Best way to make Django's login_required the default

...p, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled: 9 Answer...
https://stackoverflow.com/ques... 

How to retrieve a module's path?

... import a_module print(a_module.__file__) Will actually give you the path to the .pyc file that was loaded, at least on Mac OS X. So I guess you can do: import os path = os.path.abspath(a_module.__file__) You can also try: path = os.path.dirname(a_module.__file__) To ge...
https://stackoverflow.com/ques... 

What __init__ and self do on Python?

...to declare it explicitly. When you create an instance of the A class and call its methods, it will be passed automatically, as in ... a = A() # We do not pass any argument to the __init__ method a.method_a('Sailor!') # We only pass a single argument The __init__ method is roughly w...