大约有 35,100 项符合查询结果（耗时：0.0430秒） [XML]
How to determine the current shell I'm working on
How can I determine the current shell I am working on?
24 Answers
24
...
Converting String to “Character” array in Java
... objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of Character type.
...
In-memory size of a Python structure
...sizeof('this')
38
>>> sys.getsizeof('this also')
48
You could take this approach:
>>> import sys
>>> import decimal
>>>
>>> d = {
... "int": 0,
... "float": 0.0,
... "dict": dict(),
... "set": set(),
... "tuple": tuple(),
... "...
Objective-C parse hex string to integer
I would like to know how to parse a hex string, representing a number, in Objective-C. I am willing to use both an objective, or a C-based method, either is fine.
...
How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
...
Generally speaking:
F5 may give you the same page even if the content is changed, because it may load the page from cache. But Ctrl-F5 forces a cache refresh, and will guarantee that if the content is changed, you will get the new content...
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
I have a project created by Maven integration in Eclipse. All work fine, but in the work space in all JSP files have this:
...
Obtaining a powerset of a set in Java
..., since you need to generate, well, 2^n possible combinations. Here's a working implementation, using generics and sets:
public static <T> Set<Set<T>> powerSet(Set<T> originalSet) {
Set<Set<T>> sets = new HashSet<Set<T>>();
if (originalSet.isE...
How can I read input from the console using the Scanner class in Java?
...could I read input from the console using the Scanner class? Something like this:
15 Answers
...
How to show all parents and subclasses of a class in IntelliJ IDEA?
...nel so that it appears on the fixed display position only when you use the keyboard shortcut.
share
|
improve this answer
|
follow
|
...