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Ruby: How to get the first character of a string
...h more readable. For instance, this:
class String
def initial
self[0,1]
end
end
will allow you to use the initial method on any string. So if you have the following variables:
last_name = "Smith"
first_name = "John"
Then you can get the initials very cleanly and readably:
puts first...
Programmatically get height of navigation bar
...discovered that this push down maintains the [self.view].frame.origin.y = 0 .
14 Answers
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How to delete last character from a string using jQuery?
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You can also try this in plain javascript
"1234".slice(0,-1)
the negative second parameter is an offset from the last character, so you can use -2 to remove last 2 characters etc
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C/C++ check if one bit is set in, i.e. int variable
Is there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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Format JavaScript date as yyyy-mm-dd
I have a date with the format Sun May 11,2014 . How can I convert it to 2014-05-11 using JavaScript?
42 Answers
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Responsive image map
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edited Dec 22 '16 at 10:47
answered Dec 21 '11 at 14:31
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How does the const constructor actually work?
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edited Aug 18 '14 at 20:51
superEb
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answered Feb 13 '14 at ...
What is the performance cost of having a virtual method in a C++ class?
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104
I ran some timings on a 3ghz in-order PowerPC processor. On that architecture, a virtual functi...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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answered Aug 30 '11 at 5:22
gordygordy
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Convert Elixir string to integer or float
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edited Jul 10 '18 at 13:06
Ronan Boiteau
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