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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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100
A range is just that: something defined by its start and end, not by its contents. "Iterating" ...
Creating a comma separated list from IList or IEnumerable
...ng"};
string joined = string.Join(",", strings);
Detail & Pre .Net 4.0 Solutions
IEnumerable<string> can be converted into a string array very easily with LINQ (.NET 3.5):
IEnumerable<string> strings = ...;
string[] array = strings.ToArray();
It's easy enough to write the equiv...
Python dict how to create key or append an element to key?
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edited Sep 30 '14 at 22:31
answered Oct 16 '12 at 0:43
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Why does range(start, end) not include end?
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Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contains 10 elements which equals len(range(0, 10)). Remember that programmers prefer 0-based indexing.
Also, consider the following common code snippet:
for i in range(len(l...
Can a for loop increment/decrement by more than one?
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Use the += assignment operator:
for (var i = 0; i < myVar.length; i += 3) {
Technically, you can place any expression you'd like in the final expression of the for loop, but it is typically used to update the counter variable.
For more information about each step ...
How can I increment a char?
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180
In Python 2.x, just use the ord and chr functions:
>>> ord('c')
99
>>> ord('c...
Check for internet connection availability in Swift
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Setting Short Value Java
...a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
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Pandas DataFrame column to list [duplicate]
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270
You can use the Series.to_list method.
For example:
import pandas as pd
df = pd.DataFrame({'a...
Resize image in PHP
...createtruecolor($newwidth, $newheight);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
return $dst;
}
And you could call this function, like so...
$img = resize_image(‘/path/to/some/image.jpg’, 200, 200);
From personal experience, GD's image res...