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Convert a string to regular expression ruby
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150
Looks like here you need the initial string to be in single quotes (refer this page)
>> s...
Is it a good idea to use Google Guava library for Android development?
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edited Feb 19 '19 at 20:39
Samir Elekberov
31833 silver badges1313 bronze badges
answered Feb 20 '13...
Generate a UUID on iOS from Swift
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edited Feb 23 at 10:34
Tilak Maddy
2,64922 gold badges2121 silver badges4040 bronze badges
answe...
How to make execution pause, sleep, wait for X seconds in R?
...ible
}
testit(3.7)
Yielding
> testit(3.7)
user system elapsed
0.000 0.000 3.704
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“unadd” a file to svn before commit
...ch did not have the proper ignore properties was included. I've got about 100 uploaded binary files versioned now, but I haven't committed yet.
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Rails 3 datatypes?
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270
Here are all the Rails3 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:d...
UIView with rounded corners and drop shadow?
...nd drop shadow to v, a UIView:
// border radius
[v.layer setCornerRadius:30.0f];
// border
[v.layer setBorderColor:[UIColor lightGrayColor].CGColor];
[v.layer setBorderWidth:1.5f];
// drop shadow
[v.layer setShadowColor:[UIColor blackColor].CGColor];
[v.layer setShadowOpacity:0.8];
[v.layer setSh...
How can I split a shell command over multiple lines when using an IF statement?
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Mark ReedMark Reed
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6
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What does iota of std::iota stand for?
...ι is the lower-case Greek letter iota.
In the quote above, I typed ι, U+03B9, “GREEK SMALL LETTER IOTA”, but Unicode actually has a dedicated code point for APL's iota: ⍳ is U+2373, “APL FUNCTIONAL SYMBOL IOTA”.
In response to the demands of commenters, I shall further address the et...
Rails how to run rake task
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edited Nov 2 '19 at 23:08
answered Apr 12 '11 at 21:24
A...