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How can I detect the touch event of an UIImageView?
...cify images) over the UIImageView. Then attach whatever methods you want called to that.
You can use that technique for many cases where you really want some area of the screen to act as a button instead of messing with the Touch stuff.
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
...ze; you can't resize an array in C++ (unless it's an array of POD and it's allocated with malloc);
their size must be a compile-time constant unless they are allocated dynamically;
they take their storage space depending from the scope where you declare them;
if dynamically allocated, you must expli...
Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
...oesn't think it needs to rebuild a project, it won't. It may also use partially-built bits of the project if they haven't changed (I don't know how far it takes this)
Rebuild solution will clean and then build the solution from scratch, ignoring anything it's done before. The difference between this...
C multi-line macro: do/while(0) vs scope block [duplicate]
...use of function-style macros uniform with the
use of ordinary functions in all contexts.
Consider the following code sketch
if (<condition>)
foo(a);
else
bar(a);
where 'foo' and 'bar' are ordinary functions. Now imagine that you'd
like to replace function 'foo' with a macro of the abov...
Java Swing revalidate() vs repaint()
...n where I often want to replace the contents of a JPanel. To do this, I'm calling removeAll() , then adding my new content, then calling revalidate() .
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Log.INFO vs. Log.DEBUG [closed]
...
I usually try to use it like this:
DEBUG: Information interesting for Developers, when trying to debug a
problem.
INFO: Information interesting for Support staff trying to figure out the context of a given error
WARN to FATAL: P...
CSS display: inline vs inline-block [duplicate]
...s and padding, but not top & bottom
cannot have a width and height set
allow other elements to sit to their left and right.
see very important side notes on this here.
Block elements:
respect all of those
force a line break after the block element
acquires full-width if width not defined
Inli...
Resque vs Sidekiq? [closed]
...ns out of the box.
Cons
[huge] requires thread-safety of your code and all dependencies. If you run thread-unsafe code with threads, you're asking for trouble;
works on some rubies better than others (jruby is recommended, efficiency on MRI is decreased due to GVL (global VM lock)).
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Why are regular expressions so controversial? [closed]
...ions. And not just slow, but the performance of the regex engine can be totally unpredictable when faced with arbitrary (user-supplied) inputs.
– Pacerier
Dec 1 '15 at 21:53
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Interface vs Abstract Class (general OO)
...
While your question indicates it's for "general OO", it really seems to be focusing on .NET use of these terms.
In .NET (similar for Java):
interfaces can have no state or implementation
a class that implements an interface must provide an implementation of all the methods of tha...