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Add leading zeroes to number in Java? [duplicate]
...s, then applying it directly to the number. The format for this example is converted as follows:
%% --> %
0 --> 0
%d --> <value of digits>
d --> d
So if digits is equal to 5, the format string becomes %05d which specifies an integer with a width of 5 printing leading zeroes. S...
Frequency table for a single variable
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Is there an easy way to convert these counts to proportions?
– dsaxton
Jul 31 '15 at 23:53
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What is the point of a private pure virtual function?
...e);
would call void SetState( int var, int val ) from the derived class, converting true to int.
If the interface is not virtual and the virtual implementation is non-public, like in your exmaple, the author of the derived class has one less problem to think about and can simply write
class MyTu...
Returning the product of a list
...her start with a float type list by doing np.prod(np.arange(5.0,101.0)) or convert it to float by doing np.prod(np.array(range(5,101)).astype(np.float64)). Note that NumPy uses np.float64 instead of float. I don't know the difference.
– Wood
Jun 4 '19 at 6:45
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What are the risks of running 'sudo pip'?
...ted malware would overwrite other, more trusted code, such as code used by system utilities routinely run as root.
– user395760
Jan 11 '14 at 0:00
2
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Getting a slice of keys from a map
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Is there a way to convert this to []string?
– Doron Behar
May 29 '19 at 15:13
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How to use double or single brackets, parentheses, curly braces
...00; i++)); do [[ "$i" = 1000 ]]; done
real 0m24.548s
user 0m24.337s
sys 0m0.036s
$ time for ((i=0; i<10000000; i++)); do [ "$i" = 1000 ]; done
real 0m33.478s
user 0m33.478s
sys 0m0.000s
The braces, in addition to delimiting a variable name are used for parameter expansion so you c...
How do I clone a generic list in C#?
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I think List.ConvertAll might do this in faster time, since it can pre-allocate the entire array for the list, versus having to resize all the time.
– MichaelGG
Oct 21 '08 at 17:43
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How to initialize a List to a given size (as opposed to capacity)?
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Create an array with the number of items you want first and then convert the array in to a List.
int[] fakeArray = new int[10];
List<int> list = fakeArray.ToList();
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
... use [NSNumber numberWithInt:] etc.... and in the receiving method you can convert the number into your format as [number int] or [number double].
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