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Ruby, remove last N characters from a string?
...l real
chomp 0.949823 0.001025 0.950848 ( 0.951941)
range 1.874237 0.001472 1.875709 ( 1.876820)
delete_suffix 0.721699 0.000945 0.722644 ( 0.723410)
delete_suffix! 0.650042 0.000714 0.650756 ( 0.651332)
I hope this is useful - note the method ...
One-line list comprehension: if-else variants
...I've got a list comprehension that produces list of odd numbers of a given range:
5 Answers
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
I want to be able to add a range and get updated for the entire bulk.
12 Answers
12
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
... version of Erik's answer).
function crypto_rand_secure($min, $max)
{
$range = $max - $min;
if ($range < 1) return $min; // not so random...
$log = ceil(log($range, 2));
$bytes = (int) ($log / 8) + 1; // length in bytes
$bits = (int) $log + 1; // length in bits
$filter = (...
List of special characters for SQL LIKE clause
...an (Dean, Sean, and so on).
[ ] Any single character within the specified range ([a-f]) or set ([abcdef]).
WHERE au_lname LIKE '[C-P]arsen' finds author last names ending with arsen and starting with any single character between C and P, for example Carsen, Larsen, Karsen, and so on. In range searc...
Get only part of an Array in Java?
...immutable. So, you need to copy the desired part as a new array.
Use copyOfRange method from java.util.Arrays class:
int[] newArray = Arrays.copyOfRange(oldArray, startIndex, endIndex);
startIndex is the initial index of the range to be copied, inclusive.
endIndex is the final index of the r...
Java: random long number in 0
Random class has a method to generate random int in a given range. For example:
16 Answers
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
I have seen number ranges represented as [first1,last1) and [first2,last2) .
4 Answers
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How to take the first N items from a generator or list in Python? [duplicate]
...
In my taste, it's also very concise to combine zip() with xrange(n) (or range(n) in Python3), which works nice on generators as well and seems to be more flexible for changes in general.
# Option #1: taking the first n elements as a list
[x for _, x in zip(xrange(n), generator)]
# ...
How to return a part of an array in Ruby?
... or nil
array[start, length] -> an_array or nil
array[range] -> an_array or nil
array.slice(index) -> obj or nil
array.slice(start, length) -> an_array or nil
array.slice(range) -> an_array or nil
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