大约有 45,000 项符合查询结果（耗时：0.0490秒） [XML]
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...lass servlet.java in my default package in src folder. In my web.xml it is mapped as /servlet .
12 Answers
...
Why doesn't String switch statement support a null case?
I am just wondering why the Java 7 switch statement does not support a null case and instead throws NullPointerException ? See the commented line below (example taken from the Java Tutorials article on switch ):
...
Why is it slower to iterate over a small string than a small list?
I was playing around with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
...
Match all elements having class name starting with a specific string [duplicate]
Is it possible to use a "wildcard" for elements having a class name starting with a specific string in CSS3?
3 Answers
...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...
Iterator.remove() is safe, you can use it like this:
List<String> list = new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It wou...
Python Linked List
...arate parts of them. Make them immutable and they are really easy to work with!
28 Answers
...
How to print Unicode character in Python?
...scape characters in the form \u0123 in your string, and prefix the string literal with 'u'.
Here's an example running in the Python interactive console:
>>> print u'\u0420\u043e\u0441\u0441\u0438\u044f'
Россия
Strings declared like this are Unicode-type variables, as described in ...
Find where python is installed (if it isn't default dir)
...on is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location from here?
...
What is Compass, what is sass…how do they differ?
... development. At the moment, I have installed Sass on a mac and instructed it to watch scss file for input, and a css file for generated output.
...
AngularJS : When to use service instead of factory
... common way of getting objects into AngularJS dependency injection system. It is very flexible and can contain sophisticated creation logic. Since factories are regular functions, we can also take advantage of a new lexical scope to simulate "private" variables. This is very useful as we can hide im...