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Why is “Set as Startup” option stored in the suo file and not the sln file?
...k MS made the right choice on this one. The project I want to start is far from necessarily the project that other developers want to start.
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Media Player called in state 0, error (-38,0)
...er, but for slow devices, the media player just did not play some time and from LogCat it had many complain about called in wrong state. So I resolved it by calling putting the call to start(), pause(),... in onPrepared() method of OnPreparedListener() as below:
mediaPlayer.prepare();
mediaPlayer.s...
error: passing xxx as 'this' argument of xxx discards qualifiers
... it's part of const correctness. I'm not certain where the const is coming from here, but I suspect the set is returning a const reference from the iterator to prevent the instance from changing and thereby invalidating the set.
– Fred Larson
May 12 '11 at 5:05...
When should you not use virtual destructors?
...destructor when any of the below is true:
No intention to derive classes from it
No instantiation on the heap
No intention to store in a pointer of a superclass
No specific reason to avoid it unless you are really so pressed for memory.
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Undefined reference to vtable
...rtual destructor (was switching to unique / shared pointers and removed it from the source file, but didn't have an "implementation" in the header)
– svenevs
Apr 30 '16 at 7:57
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What is the difference between AF_INET and PF_INET in socket programming?
...l source code that PF_INET and AF_INET are the same.
The following code is from file include/linux/socket.h, line 204 of Linux kernel 3.2.21 tree.
/* Protocol families, same as address families. */
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#define PF_INET AF_INET
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Covariance and contravariance real world example
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Let's say you have a class Person and a class that derives from it, Teacher. You have some operations that take an IEnumerable<Person> as the argument. In your School class you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use th...
Error: “Cannot modify the return value” c#
...arefully perhaps you actually mean to modify the backing variable directly from within your class:-
myOrigin.X = 10;
Yes that would be what you would need.
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Why does (i
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The integer objects are different. It is different from the basic int type.
See this answer: How to properly compare two Integers in Java?
The i != j part is true, which you were expecting to be false.
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What's in an Eclipse .classpath/.project file?
...ined by the core Eclipse platform, and its goal is to describe the project from a generic, plugin-independent Eclipse view. What's the project's name? what other projects in the workspace does it refer to? What are the builders that are used in order to build the project? (remember, the concept of "...