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form_for but to post to a different action
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answered Mar 16 '11 at 2:43
AustinAustin
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How to check if a database exists in SQL Server?
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edited Jun 8 '12 at 13:50
SteveC
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answer...
Removing multiple keys from a dictionary safely
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
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Calculate the median of a billion numbers
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53
Ah, my brain has just kicked into gear, I have a sensible suggestion now. Probably too late if t...
Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string "".
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Given an array of numbers, return array of products of all other numbers (no division)
... 1, a[0], a[0]*a[1], a[0]*a[1]*a[2], }
{ a[1]*a[2]*a[3], a[2]*a[3], a[3], 1, }
Both of which can be done in O(n) by starting at the left and right edges respectively.
Then multiplying the two arrays element by element gives the required result
My...
Fixed width buttons with Bootstrap
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321
You can also use the .btn-block class on the button, so that it expands to the parent's width....
How to change the background color of a UIButton while it's highlighted?
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Should I use 'has_key()' or 'in' on Python dicts?
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1348
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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