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Is there an eval() function in Java? [duplicate]
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answered Apr 9 '10 at 4:16
Jeff StoreyJeff Storey
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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How do I determine if my python shell is executing in 32bit or 64bit?
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answered Sep 10 '09 at 15:21
Ned DeilyNed Deily
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How to handle back button in activity
...() instead of finish()
– b00n12
Dec 10 '16 at 13:25
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
... phimuemue
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answered Feb 6 '09 at 20:46
Kendall Helmstetter GelnerKendall Helmstetter Gelner...
How do I convert a column of text URLs into active hyperlinks in Excel?
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answered Apr 7 '10 at 20:47
hawbslhawbsl
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100% width Twitter Bootstrap 3 template
I am a bootstrap newbie and I have a 100% wide template that I want to code with bootstrap. The first column begins at the left corner and I have a Google map the stretches to the rightmost. I thought I could do this with container-fluid class, but that doesn't seem to be available any longer. I h...
What's the difference between `1L` and `1`?
...re adding 1 to an integer vector turns it into a double vector:
x <- 1:100
typeof(x) # integer
y <- x+1
typeof(y) # double, twice the memory size
object.size(y) # 840 bytes (on win64)
z <- x+1L
typeof(z) # still integer
object.size(z) # 440 bytes (on win64)
...but also note that work...
Rounding DateTime objects
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edited Apr 8 '10 at 11:49
answered Sep 8 '09 at 12:27
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How do you access a website running on localhost from iPhone browser
...ou have your ip, simply visit that from your browser e.g. http://192.168.0.102.
You may need to open up port 80 (or whatever port your website is running on) in the inbound security of your firewall if you are running one.
Note: don't forget the app's port if what you want is to debug the app i...