I know this problem crops up a lot, but I couldn\'t find a piece of code which worked for me. I am trying to strip all punctuation off of an incoming string using find_first_not_of and find_last_not_
If my std::vector has 1890 elements, and I want to keep the first 1000 and erase 开发者_Python百科the rest,and then again next 890 elements and erase the first 1000,.. so a loop seems to be necessary.
I have been using NSRectFill to draw rectangles on the screen. I would like to erase t开发者_StackOverflowhese rectangles. I can\'t paint over them, as the back ground behind them is textured and can\
i am trying to draw circles that appear every second, i was able to do so but how do i make the old shape disappear ?
void reserve( int newCapacity ){ Object *oldArray = objects; int numToCopy 开发者_如何学JAVA= newCapacity < theSize ? newCapacity : theSize;
If I want to erase a subview, is it done w开发者_JAVA技巧hen I put mysubview.alpha = 0;? Or do I have to do anything else?
Any i开发者_如何学JAVAdea on how to erase a portion of a bitmap just like Android\'s PorterDuff Mode?
I have a map in my program to hold the pthreads created by the pthread_creat开发者_运维百科e method (that requires a place to put this pthread), associated with a relevant thread ID.
On that page, it\'s said that: this invalidates all iterator and references to elements after position or first.
Why does the following print 2? list<int> l; l.push_back( 1 ); l.push_back( 2 ); l开发者_Go百科.push_back( 3 );