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Double vs single quotes
I'm really new to Ruby and I'm trying to understand if there's a specific time when I should use "" vs '' .
8 Answers
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What is the correct value for the disabled attribute?
...gt; is valid and used by W3C on their samples.
In fact, both ways works on all major browsers.
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Tool to track #include dependencies [closed]
...e name of a header file and output should be a list (preferably a tree) of all files including it directly or indirectly.
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Finding last occurrence of substring in string, replacing that
...ne wants a one-liner for this: ". -".join("asd.asd.asd.".rsplit(".", 1)). All you're doing is performing a string split from the right side for 1 occurrence and joining the string again using the replacement.
– bsplosion
Apr 23 at 22:16
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How to convert a factor to integer\numeric without loss of information?
...nction in your global environment, but you might cause problems if you actually register it as an S3 method.
– Joshua Ulrich
Apr 18 '14 at 12:03
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Python - Create list with numbers between 2 values?
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Use range. In Python 2.x it returns a list so all you need is:
>>> range(11, 17)
[11, 12, 13, 14, 15, 16]
In Python 3.x range is a iterator. So, you need to convert it to a list:
>>> list(range(11, 17))
[11, 12, 13, 14, 15, 16]
Note: The second nu...
ls command: how can I get a recursive full-path listing, one line per file?
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If you really want to use ls, then format its output using awk:
ls -R /path | awk '
/:$/&&f{s=$0;f=0}
/:$/&&!f{sub(/:$/,"");s=$0;f=1;next}
NF&&f{ print s"/"$0 }'
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Which one will execute faster, if (flag==0) or if (0==flag)?
...n :)
The answer is:
What is flag's type?
In the case where flag actually is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already.
If fl...
How to create custom easing function with Core Animation?
... function easier using two new timing objects.
1) UICubicTimingParameters allows to define cubic Bézier curve as an easing function.
let cubicTimingParameters = UICubicTimingParameters(controlPoint1: CGPoint(x: 0.25, y: 0.1), controlPoint2: CGPoint(x: 0.25, y: 1))
let animator = UIViewPropertyAni...
How can I debug a HTTP POST in Chrome?
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Note: To actually see a post request that reloads your page, you need to check "Preserve Log".
– Bryce Guinta
Oct 31 '16 at 19:19
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