大约有 40,000 项符合查询结果（耗时：0.0782秒） [XML]
What is the difference between an int and a long in C++?
Correct me if I am wrong,
9 Answers
9
...
In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
...
Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
...
How to wrap text in LaTeX tables?
I am creating a report in LaTeX which involves a few tables. I'm stuck on that as my cell data in the table is exceeding the width of the page. Can I somehow wrap the text so that it falls into the next line in the same cell of the table?
...
How important is the order of columns in indexes?
I've heard that you should put columns that will be the most selective at the beginning of the index declaration. Example:
...
How are Python's Built In Dictionaries Implemented?
Does anyone know how the built in dictionary type for python is implemented? My understanding is that it is some sort of hash table, but I haven't been able to find any sort of definitive answer.
...
Get individual query parameters from Uri [duplicate]
I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param
9 Answers
...
Why the switch statement cannot be applied on strings?
Compiling the following code and got the error of type illegal .
20 Answers
20
...
Decimal number regular expression, where digit after decimal is optional
...xpression that validates a number, but doesn't require a digit after the decimal.
ie.
15 Answers
...