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How to use C++ in Go
...age, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go?
12 Answers
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Replace selector images programmatically
... resource set to a selector. How do I programmatically access the selector and change the images of the highlighted and non-highlighted state?
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
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Is C++ context-free or context-sensitive?
...uring-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither context-free nor context-sensitive.
If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 grammar ("unrestricted...
Alter a MySQL column to be AUTO_INCREMENT
... The only thing that may be influenced by the number is the display width, and it is up to the client to do that. But don't be deceived and think that it works like it does for VARCHAR and DECIMAL types - in those cases, the amount of data you can store in there is actually specified, whereas a part...
How can I format a nullable DateTime with ToString()?
How can I convert the nullable DateTime dt2 to a formatted string?
20 Answers
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Retrieve a Fragment from a ViewPager
...ll no longer work.
What about this solution, overriding instantiateItem() and destroyItem() of your Fragment(State)PagerAdapter:
public class MyPagerAdapter extends FragmentStatePagerAdapter {
SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>();
public MyPa...
GetType() can lie?
Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type .
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snprintf and Visual Studio 2010
I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler:
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What does “Memory allocated at compile time” really mean?
In programming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
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