大约有 47,000 项符合查询结果（耗时：0.0766秒） [XML]
Round a double to 2 decimal places [duplicate]
If the value is 200.3456 , it should be formatted to 200.34 .
If it is 200 , then it should be 200.00 .
13 Answers
...
Why is the gets function so dangerous that it should not be used?
When I try to compile C code that uses the gets() function with GCC, I get this warning:
11 Answers
...
Difference Between Invoke and DynamicInvoke
What is the difference between Invoke and DynamicInvoke in delegates? Please give me some code example which explain difference between that two methods.
...
Check if a given Type is an Enum
I am writing a JsonConverter for Json.NET which should allow me to convert any enum's to a string value defined by a [Description] attribute.
...
Best way to work with transactions in MS SQL Server Management Studio
Let's say I have an SQL statement that's syntactically and semantically correct so it executes.
2 Answers
...
How do I create an array of strings in C?
I am trying to create an array of strings in C. If I use this code:
14 Answers
14
...
List of all index & index columns in SQL Server DB
How do I get a list of all index & index columns in SQL Server 2005+? The closest I could get is:
30 Answers
...
Why can't decimal numbers be represented exactly in binary?
There have been several questions posted to SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-po...
jQuery Plugin: Adding Callback functionality
I'm trying to give my plugin callback functionality, and I'd like for it to operate in a somewhat traditional way:
6 Answer...
add column to mysql table if it does not exist
My research and experiments haven't yielded an answer yet, so I am hoping for some help.
16 Answers
...