大约有 18,160 项符合查询结果（耗时：0.0317秒） [XML]
Floating point vs integer calculations on modern hardware
I am doing some performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...
40 Answers
40
Active
...
How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
...
Installing PDO driver on MySQL Linux server
...
6 Answers
6
Active
...
How to find index of list item in Swift?
...
22 Answers
22
Active
...
How can I reverse a NSArray in Objective-C?
...
18 Answers
18
Active
...
How to check if an intent can be handled from some activity?
...
6 Answers
6
Active
...
Get first day of week in SQL Server
I am trying to group records by week, storing the aggregated date as the first day of the week. However, the standard technique I use for rounding off dates does not appear to work correctly with weeks (though it does for days, months, years, quarters and any other timeframe I've applied it to).
...