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Picking a random element from a set
...ex; i++) {
iter.next();
}
return iter.next();
The for-each construct calls Iterator.hasNext() on every loop, but since index < set.size(), that check is unnecessary overhead. I saw a 10-20% boost in speed, but YMMV. (Also, this compiles without having to add an extra return statement.)
Not...
How to show method parameter tooltip in C#?
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<del>What's this called? I would like to remap it.</del> It seems to be Edit.ParameterInfo
– user2684182
Jan 22 '15 at 23:32
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Disable scrolling in webview?
...omething I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
14 Answe...
Difference between global and device functions
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Global functions are also called "kernels". It's the functions that you may call from the host side using CUDA kernel call semantics (<<<...>>>).
Device functions can only be called from other device or global functions. __device__ ...
What is the meaning of addToBackStack with null parameter?
...ing of addToBackStack(null) followed by a commit()?
Quoting docs:
By calling addToBackStack(), the replace transaction is saved to the
back stack so the user can reverse the transaction and bring back the
previous fragment by pressing the Back button.
If you add multiple changes to th...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...etPrintfID< unsigned long long > //or whatever the 64bit unsigned is called..
{
static const char* id;
};
const char* GetPrintfID< unsigned long long >::id = "%lu";
//should be repeated for any type size_t can ever have
printf( GetPrintfID< size_t >::id, sizeof( x ) );
...
belongs_to through associations
.....
def question
answer.question
end
end
this way the you can now call question on Choice
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#define macro for debug printing in C?
..... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use of the code ensures that the compiler always checks that your debug code is valid — but the optimizer will remove the code when DEBUG is 0.
If you want to work with #ifdef DEBUG, then change t...
Javascript/DOM: How to remove all events of a DOM object?
... I guess you already tried this and it didn't work. Here is the catch:
Calling addEventListener to an anonymous function creates a new listener each time. Calling removeEventListener to an anonymous function has no effect. An anonymous function creates a unique object each time it is called, it ...
Format of the initialization string does not conform to specification starting at index 0
...ur DbContext class as the startup project.
I was getting this error while calling enable-migrations.
Even if in the Package Manager Console I selected the right Default project, it was still looking at the web.config file of that startup project, where the connection string wasn't present.
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