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How do I get the resource id of an image if I know its name?
How do I get the resource id of an image if I know its name (in Android)?
5 Answers
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Combine Date and Time columns using python pandas
...4-06 01:00:00
dtype: datetime64[ns]
Note: surprisingly (for me), this works fine with NaNs being converted to NaT, but it is worth worrying that the conversion (perhaps using the raise argument).
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Can I assume (bool)true == (int)1 for any C++ compiler?
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Joe
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answered Apr 27 '10 at 20:56
CB BaileyCB Bail...
How to remove element from an array in JavaScript?
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acdcjunior
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answered Jan 5 '10 at 2:36
Gabriel McAdamsG...
How to get subarray from array?
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Take a look at Array.slice(begin, end)
const ar = [1, 2, 3, 4, 5];
// slice from 1..3 - add 1 as the end index is not included
const ar2 = ar.slice(1, 3 + 1);
console.log(ar2);
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Is there any way to not return something using CoffeeScript?
It seems like CoffeeScript automatically returns the last item in a scope. Can I avoid this functionality?
5 Answers
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...unc_instance():', "\n", $b->func_instance(), "\n";
/* This is more tricky
* in the first case, a static call is made because $this is an
* instance of A, so B::dyn() is a method of an incompatible class
*/
echo '$a->dyn():', "\n", $a->callDynamic(), "\n";
/* in this case, an instance ca...
How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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jQuery map vs. each
...e map function. You will have to supply the first parameter in the callback (eg we used i above). Ironically, the callback arguments used in the each method are the reverse of the callback arguments in the map function so be careful.
map(arr, function(elem, index) {});
// versus
each(arr, functi...
How to invoke a Linux shell command from Java
... commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
3 Answers
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