大约有 11,000 项符合查询结果（耗时：0.0168秒） [XML]
How to construct a std::string from a std::vector?
...sing that to create a std::string, is there a quicker/alternative/"better" way to initialize a string from a vector of chars?
...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
Is there a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
...
Implicit “Submit” after hitting Done on the keyboard at the last EditText
I've used some apps where when I fill my username, then go to my password, if I hit "Done" on the keyboard, the login form is automatically submitted, without me having to click the submit button. How is this done?
...
F12 no longer works in Visual Studio
This is driving me crazy. Ever since I installed ReSharper 4, F12 no longer seems to work. If you look at the all the ReSharper short cuts in the Goto sub menu Declaration doesn't have any assigned!
...
How to change UIPickerView height
Is it possible to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
...
GUI not working after rewriting to MVC
I'm practicing MVC style programming. I have a Mastermind game in a single file, working fine (maybe apart of the fact that "Check" button is invisible at start).
...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
...
Declaring array of objects
I have a variable which is an array and I want every element of the array to act as an object by default. To achieve this, I can do something like this in my code.
...
What is the strict aliasing rule?
When asking about common undefined behavior in C , people sometimes refer to the strict aliasing rule.
What are they talking about?
...
Add list to set?
...a set because lists are mutable, meaning that you can change the contents of the list after adding it to the set.
You can however add tuples to the set, because you cannot change the contents of a tuple:
>>> a.add(('f', 'g'))
>>> print a
set(['a', 'c', 'b', 'e', 'd', ('f', 'g')])...