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Labels for radio buttons in rails form
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answered Apr 14 '09 at 5:13
Matt HaleyMatt Haley
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Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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How to add new item to hash
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307
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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Get pandas.read_csv to read empty values as empty string instead of nan
...d an option of some sort here:
https://github.com/pydata/pandas/issues/1450
In the meantime, result.fillna('') should do what you want
EDIT: in the development version (to be 0.8.0 final) if you specify an empty list of na_values, empty strings will stay empty strings in the result
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CPU Privilege Rings: Why rings 1 and 2 aren't used?
...art of the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly.
The intent by Intel in having rings 1 and 2 is for the OS to put device drivers at that level, so they are privileged, but somewhat separated fro...
D3.js: How to get the computed width and height for an arbitrary element?
...().getBBox() you get values like
{
height: 5,
width: 5,
y: 50,
x: 20
}
For HTML elements
Use selection.node().getBoundingClientRect()
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How to get numbers after decimal point?
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answered Mar 5 '12 at 5:02
lllluuukkelllluuukke
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Composite Key with EF 4.1 Code First
...plicit column order:
public class ActivityType
{
[Key, Column(Order = 0)]
public int ActivityID { get; set; }
[Key, Column(Order = 1)]
[Required(ErrorMessage = "A ActivityName is required")]
[StringLength(50, ErrorMessage = "Activity Name must not exceed 50 characters")]
pu...
How do you append to an already existing string?
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edited Feb 17 '17 at 10:23
lleaff
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answered Feb 12 '10 at 7...
SBT stop run without exiting
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edited Jul 26 '13 at 16:50
Eugene Yokota
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