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How to hide a View programmatically?
...er. Via a menu option, I want to be able to make the bottom one disappear, and have the top one drop down over the disappeared LinearLayout .
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What is the “-->” operator in C++?
After reading Hidden Features and Dark Corners of C++/STL on comp.lang.c++.moderated , I was completely surprised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4.
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What are all the different ways to create an object in Java?
... only 2 ways exist: calling constructor (using new, clone() or reflection) and deserialization that does not invoke constructor.
– AlexR
Feb 24 '11 at 12:32
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How does OpenID authentication work?
...e of already existing internet technology (URI, HTTP, SSL, Diffie-Hellman) and realizes that people are already creating identities for themselves whether it be at their blog, photostream, profile page, etc. With OpenID you can easily transform one of these existing URIs into an account which can be...
For i = 0, why is (i += i++) equal to 0?
...ation):
int i = 0;
i = i + i; // i=0 because the ++ is a postfix operator and hasn't been executed
i + 1; // Note that you are discarding the calculation result
What actually happens is more involved than that - take a look at MSDN, 7.5.9 Postfix increment and decrement operators:
The run-tim...
Creating your own header file in C
... that this code doesn't work if you try to just build it by button ("build and run" in Code::Blocks for example). It might seem obvious for you but for me it's the first time it has happened and it took me quite some time to figure out where is the problem.
– Jeyekomon
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Permanently adding a file path to sys.path in Python
...m various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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Accessing inactive union member and undefined behavior?
...ce (other than answers claiming it's UB but without any support from the standard).
5 Answers
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How do I flag a method as deprecated in Objective-C 2.0?
I'm part of a team developing a fairly large iPad app and there are many different classes we've created as a result. The trouble is some of the methods are now pretty much obsolete and I don't want simply remove them yet as I know some parts of the overall system use the methods... but there are b...
Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
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