大约有 16,000 项符合查询结果（耗时：0.0266秒） [XML]
Removing whitespace from strings in Java
I have a string like this:
35 Answers
35
...
Adding a background image to a element
Is it possible to make a <div> element contain a background image, and if so, how would I go about doing this?
9 An...
Sorting arraylist in alphabetical order (case insensitive)
...ames which contains names of people. I want to sort the arraylist in alphabetical order.
8 Answers
...
Changing the color of an hr element
I want to change the color of my hr tag using CSS. The code I've tried below doesn't seem to work:
26 Answers
...
Rename a dictionary key
...dict[new_key] = mydict.pop(old_key)
For an OrderedDict, I think you must build an entirely new one using a comprehension.
>>> OrderedDict(zip('123', 'abc'))
OrderedDict([('1', 'a'), ('2', 'b'), ('3', 'c')])
>>> oldkey, newkey = '2', 'potato'
>>> OrderedDict((newkey if...
Java: Get last element after split
I am using the String split method and I want to have the last element.
The size of the Array can change.
12 Answers
...
What is this operator in MySQL?
I'm working on code written by a previous developer and in a query it says,
9 Answers
...
What's the syntax for mod in java
... % 2) == 0)
{
isEven = true;
}
else
{
isEven = false;
}
This can be simplified to a one-liner:
isEven = (a % 2) == 0;
share
|
improve this answer
|
follow
...
Why is the use of tuples in C++ not more common?
Why does nobody seem to use tuples in C++, either the Boost Tuple Library or the standard library for TR1? I have read a lot of C++ code, and very rarely do I see the use of tuples, but I often see lots of places where tuples would solve many problems (usually returning multiple values from functi...
“Comparison method violates its general contract!”
...
Your comparator is not transitive.
Let A be the parent of B, and B be the parent of C. Since A > B and B > C, then it must be the case that A > C. However, if your comparator is invoked on A and C, it would return zero, meaning A == C. This violates the con...