大约有 36,010 项符合查询结果(耗时:0.0442秒) [XML]
Difference between static memory allocation and dynamic memory allocation
...nside functions, and is usually stored on the stack (though the C standard doesn't mandate that a stack is used). You do not have to reserve extra memory using them, but on the other hand, have also limited control over the lifetime of this memory. E.g: automatic variables in a function are only the...
Tool to track #include dependencies [closed]
...access to GCC/G++, then the -M option will output the dependency list. It doesn't do any of the extra stuff that the other tools do, but since it is coming from the compiler, there is no chance that it will pick up files from the "wrong" place.
...
Rails ActiveRecord date between
...te that the currently accepted answer is deprecated in Rails 3. You should do this instead:
Comment.where(:created_at => @selected_date.beginning_of_day..@selected_date.end_of_day)
Or, if you want to or have to use pure string conditions, you can do:
Comment.where('created_at BETWEEN ? AND ?'...
Defining an abstract class without any abstract methods
...
Of course.
Declaring a class abstract only means that you don't allow it to be instantiated on its own.
Declaring a method abstract means that subclasses have to provide an implementation for that method.
The two are separate concepts, though obviously you can't have an abstract m...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...tor, it only covers maybe a quarter of the screen. I need some ammo to axe down this rule.
32 Answers
...
How to pass parameters to a view
...w the button. I want to pass the position of button to the view. How can I do that?
5 Answers
...
Error 1046 No database Selected, how to resolve?
...se:
USE database_name;
before you create a table.
In case the database does not exist, you need to create it as:
CREATE DATABASE database_name;
followed by:
USE database_name;
share
|
impr...
Disable soft keyboard on NumberPicker
...necessarily a bad thing, depending on how you are using the picker, but it does appear to be a limitation of the solution.
– frenziedherring
Aug 26 '13 at 17:01
76
...
Python - Create list with numbers between 2 values?
...ith a third step parameter but that's still an int -- not float. You can't do that exactly in the standard lib.
– Jared
Aug 16 '13 at 4:53
...
Replace new lines with a comma delimiter with Notepad++?
...the comma.
This will also replace lines like
Apples
Apricots
Pear
Avocados
Bananas
Where there are empty lines.
If your lines have trailing blank spaces you should remove those first. The simplest way to achieve this is
EDIT -> Blank Operations -> Trim Trailing Space
OR
TextFX ->...
