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Return index of greatest value in an array
...ax = arr[i];
}
}
return maxIndex;
}
There’s also this one-liner:
let i = arr.indexOf(Math.max(...arr));
It performs twice as many comparisons as necessary and will throw a RangeError on large arrays, though. I’d stick to the function.
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How can I iterate over an enum?
...
The typical way is as follows:
enum Foo {
One,
Two,
Three,
Last
};
for ( int fooInt = One; fooInt != Last; fooInt++ )
{
Foo foo = static_cast<Foo>(fooInt);
// ...
}
Please note, the enum Last is meant to be skipped by the iteration. Utilizing thi...
How to edit one specific row in Microsoft SQL Server Management Studio 2008?
...ft SQL Server Management Studio 2008, is there a secret to be able to edit one row based on a key?
3 Answers
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Visual Studio 2013 IntelliSense stops working for ASP.NET MVC5 Controllers
...me, surprisingly often in VS Express, and occasionally in VS Professional. One thing I noticed in Pro, is that it has happened after unexpected shut downs (when IT forces a reboot in the middle of the night). So it may be related to Visual Studio not closing correctly. The technique described above ...
What is a stack trace, and how can I use it to debug my application errors?
...etBookIds(Author.java:36)
... 1 more
What's different about this one is the "Caused by". Sometimes exceptions will have multiple "Caused by" sections. For these, you typically want to find the "root cause", which will be one of the lowest "Caused by" sections in the stack trace. In our cas...
Statistics: combinations in Python
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Why not write it yourself? It's a one-liner or such:
from operator import mul # or mul=lambda x,y:x*y
from fractions import Fraction
def nCk(n,k):
return int( reduce(mul, (Fraction(n-i, i+1) for i in range(k)), 1) )
Test - printing Pascal's triangle...
No identities were available - administrator request
...while "archiving" my app. I think there are invalid profiles because of iPhone Update to 5.1 and XCode update to 4.2.2.
13 ...
Are static variables shared between threads?
...model and how writes become visible to threads. You can't count on changes one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in any time frame), unless you establish a happens-before relationship.
He...
Run cron job only if it isn't already running
...ck your own processes ("ps -u $(whoami) -opid=") and see if you're running one with the same PID ("grep -P "^\s*$(cat ${PIDFILE})$""). If you're not, then it will start the program as before, overwrite the PID file with the new PID, and exit. I see no reason to modify the script; do you?
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In Matlab, when is it optimal to use bsxfun?
...called "singleton expasion". As an aside, the singleton dimensions are the ones that will be dropped if you call squeeze.
It is possible that for very small problems, the repmat approach is faster - but at that array size, both operations are so fast that it likely won't make any difference in term...