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Ruby: How to iterate over a range, but in set increments?
So I'm iterating over a range like so:
4 Answers
4
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How do you reindex an array in PHP?
...ou need it to start at one, then use the following:
$iOne = array_combine(range(1, count($arr)), array_values($arr));
Here are the manual pages for the functions used:
array_values()
array_combine()
range()
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Multiple cases in switch statement
...here's nothing wrong with your first method. If however you have very big ranges, just use a series of if statements.
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How do you detect Credit card type based on number?
...er cards issued using the MasterCard system that do not fall into this IIN range. In 2016, they will add numbers in the range (222100-272099).
American Express: ^3[47][0-9]{5,}$ American Express card numbers start with 34 or 37.
Diners Club: ^3(?:0[0-5]|[68][0-9])[0-9]{4,}$ Diners Club card numbe...
Add one row to pandas DataFrame
...; df = pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i in range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10, size=2))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 name3 2 1
4 name4 9 6
...
Why does the C# compiler go mad on this nested LINQ query?
...yzed, compiles without issue:
static void Main()
{
var x = Enumerable.Range(0, 1).Sum(a);
}
private static int a(int a)
{
return Enumerable.Range(0, 1).Sum(b);
}
private static int b(int b)
{
return Enumerable.Range(0, 1).Sum(c);
}
private static int c(int c)
{
return Enumerable.Ra...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...ns are available in Where-Object (or via Foreach-Object and some state for ranges). Other, transforming, operations can be done with Select-Object and Foreach-Object.
However as PowerShell passes (.NET) objects – with all their typed structure, eg. dates remain DateTime instances – rather than ...
How to remove an element from a list by index
...ree ways in terms of efficiency:
Assume the following is predefined:
a = range(10)
index = 3
The del object[index] method:
By far the most efficient method. It works will all objects that define a __del__ method.
The disassembly is as follows:
Code:
def del_method():
global a
global ...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
I'm using NLTK to perform kmeans clustering on my text file in which each line is considered as a document. So for example, my text file is something like this:
...
Can I query MongoDB ObjectId by date?
...ongo will first have to convert and then compare whether doc is present in range or not, but If I would use accepted answer's approach then converting date to a ObjectId I would only have to do on client side and only once, So don't you think that solution will be more efficient than this? thanks an...