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When using the Java debugger in Intellij what does “Drop Frame” mean?
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The call stack of your application can be viewed in the debugger. Using the "Drop Frame" functionality you can "fall back" to a previous stack frame, in a sense going back in time. This can be helpful to re-enter a function if you...
Changing UIButton text
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@erdekhayser Actually, read-only properties CAN have read/write properties. I use the titlelabel's tag to pass an integer to a action method. Also see Apple's docs link Although this property is read-only, its own properties are read/write. U...
Just what is an IntPtr exactly?
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It's a "native (platform-specific) size integer." It's internally represented as void* but exposed as an integer. You can use it whenever you need to store an unmanaged pointer and don't want to use unsafe code. IntPtr.Zero is effectively NULL (a null pointer).
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Will GetType() return the most derived type when called from the base class?
Will GetType() return the most derived type when called from the base class?
3 Answers
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Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
Pure virtual destructor in C++
...ing from A and then try to delete or destroy it, A's destructor will eventually be called. Since it is pure and doesn't have an implementation, undefined behavior will ensue. On one popular platform, that will invoke the purecall handler and crash.
Edit: fixing the declaration to be more conformant...
IE8 and JQuery's trim()
... Thanks, I thought JQuery's functions were chain-able and that's how they all worked!
– Abs
Aug 9 '10 at 11:01
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import .css file into .less file
...by the browser at runtime ; with (inline), the CSS file's contents are actually imported into the compiled stylesheet, which is what you want if that file is out of your web root for example. Note that the default behaviour when @importing a .css file is the same as with the (css) flag - read the d...
How to redirect the output of an application in background to /dev/null
...ot terminate you can use:
nohup yourcommand &
Without any parameter all output lands in nohup.out
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I have the example code below. This works fine with all browsers except for browsers on mobile devices.
5 Answers
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