大约有 15,000 项符合查询结果(耗时:0.0321秒) [XML]

https://stackoverflow.com/ques... 

Error: free(): invalid next size (fast):

What is this strange error I'm getting? I'm compiling C++ using g++ on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time. ...
https://stackoverflow.com/ques... 

Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0

... *font = [UIFont systemFontOfSize:12]; //Here I set the Label max width to 200, height to 60 CGSize size = CGSizeMake(200, 60); CGRect labelRect = [testString boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin attributes:[NSDictionary dictionaryWithObject:font forKey:NSFontAttri...
https://stackoverflow.com/ques... 

std::string to float or double

... "0.6"; double temp = ::atof(num.c_str()); Does it for me, it is a valid C++ syntax to convert a string to a double. You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty. Ahaha you have a Qt project ... QString winOpacity("0.6"); double temp = w...
https://stackoverflow.com/ques... 

Compiling C++11 with g++

I'm trying to update my C++ compiler to C++11. I have searched a bit and I have come to the conclusion that I have to use the flag -std=c++0x or -std=gnu++0x , but I don't know many things about flags. Can anyone help me? (I'm using Ubuntu 12.04.) ...
https://stackoverflow.com/ques... 

How do you make a WPF slider snap only to discrete integer positions?

...ollowing piece of xaml: <Slider Orientation="Vertical" Height="200" Minimum="0" Maximum="10" Value="0" IsSnapToTickEnabled="True" TickFrequency="1" /> share | imp...
https://stackoverflow.com/ques... 

Resolving ambiguous overload on function pointer and std::function for a lambda using +

...e is observable by a program, then it's illegal. Once I asked in comp.lang.c++.moderated if a closure type could add a typedef for result_type and the other typedefs required to make them adaptable (for instance by std::not1). I was told that it could not because this was observable. I'll try to fin...
https://stackoverflow.com/ques... 

For every character in string

How would I do a for loop on every character in string in C++? 9 Answers 9 ...
https://stackoverflow.com/ques... 

Maintaining the final state at end of a CSS3 animation

...acity:0.5; left:100px} 100% { transform:scale(1.0); opacity:1.0; left:200px} } /* Standard syntax */ @keyframes bubble { 0% { transform:scale(0.5); opacity:0.0; left:0} 50% { transform:scale(1.2); opacity:0.5; left:100px} 100% { transform:scale(1.0); opacity:1.0; left:200...
https://stackoverflow.com/ques... 

make_unique and perfect forwarding

Why is there no std::make_unique function template in the standard C++11 library? I find 6 Answers ...
https://stackoverflow.com/ques... 

android.view.InflateException: Binary XML file: Error inflating class fragment

...alleryFragment" android:layout_width="match_parent" android:layout_height="200dp" android:layout="@layout/fragment_image_gallery" tools:layout="@layout/fragment_image_gallery" /> to this : <FrameLayout android:id="@+id/fragment_container" android:layout_width="match_parent" android:layout_h...