大约有 8,300 项符合查询结果(耗时:0.0332秒) [XML]
What's the difference between %s and %d in Python string formatting?
...
They are used for formatting strings. %s acts a placeholder for a string while %d acts as a placeholder for a number. Their associated values are passed in via a tuple using the % operator.
name = 'marcog'
number = 42
print '%s %d' % (na...
How to sort a list of lists by a specific index of the inner list?
I have a list of lists. For example,
10 Answers
10
...
Function to calculate distance between two coordinates
I'm currently using the function below and it doesn't work properly. According to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the ...
Using property() on classmethods
I have a class with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
...
Hidden features of Scala
What are the hidden features of Scala that every Scala developer should be aware of?
28 Answers
...
Converting unix timestamp string to readable date
...Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
15 Answers
...
What is the python “with” statement designed for?
I came across the Python with statement for the first time today. I've been using Python lightly for several months and didn't even know of its existence! Given its somewhat obscure status, I thought it would be worth asking:
...
Big-O for Eight Year Olds? [duplicate]
...ust have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would...
How do I display a text file content in CMD?
I want to display the content of a text file in a CMD window. In addition, I want to see the new lines that added to file, like tail -f command in Unix.
...
How do you loop in a Windows batch file?
What is the syntax for a FOR loop in a Windows batch file?
8 Answers
8
...
